Best Time to Visit Okinawa: Complete Guide [2026]
The short answer: April-May and October-November are usually the best months to visit Okinawa. These windows deliver warm beach weather, swimmable water, lower typhoon stress, and stronger comfort than peak summer heat.
The longer answer is more nuanced because Okinawa is subtropical and behaves very differently from mainland Japan. You can visit almost year-round, but the right month depends on whether you prioritize beach time, diving, whale watching, family holidays, or budget efficiency.
If you are searching for when to visit Okinawa, the best time to go to Okinawa, the Okinawa best time to visit, or the best month to visit Okinawa, this guide gives one clear framework you can actually use.
Quick Answer: Best Months
Best Months
April-May, October-November
- - Warm, sunny, low-stress humidity
- - 24-28C comfortable swimming
- - Moderate, easier booking than summer peaks
Best all-around balance for most travelers
Good Value Months
March, late June, December-February
- - Mild to warm with seasonal tradeoffs
- - Cooler in winter, warm from late spring onward
- - Lower than spring holidays and summer
Strong value if beach perfection is not mandatory
Risk Window
August-September
- - Hot, humid, unstable tropical pattern
- - Very warm
- - High in holidays, volatile with storm disruptions
Go only with flexible bookings and insurance
Quick decision tool
- - If you want best overall beach weather: choose April-May or October-November.
- - If you typed "okinawa best time to visit", this guide points most travelers to April-May and October-November.
- - If you are asking when is the best weather in Okinawa: target mid-April to mid-May or mid-October to mid-November.
- - For the best time for Okinawa beaches with lower disruption risk, avoid September when possible.
- - If your priority is lowest cost and low crowds: choose December-February.
- - If your priority is whale watching: choose January-February.
- - If your dates are fixed in summer: choose July over September and keep plans flexible.
Okinawa climate works on a tropical rhythm: long marine season, mild winter, and typhoon-aware planning in late summer and early fall.
Jump to month-by-month breakdownBeach Season Timeline
Jan
Cool for most swimmers
Feb
Cool for most swimmers
Mar
Possible with tolerance
Apr
Excellent
May
Excellent
Jun
Excellent after mid-month
Jul
Peak
Aug
Peak
Sep
Warm but risky
Oct
Excellent
Nov
Good
Dec
Cool for casual swimming
Okinawa Weather at a Glance
| Month | Avg Temp | Water Temp | Rainfall | Typhoon Risk | Beach Season | Verdict |
|---|---|---|---|---|---|---|
| Jan | 17C / 63F | 21C / 70F | 120 mm | None | Cool for most swimmers | Whale watching and budget travel |
| Feb | 18C / 64F | 21C / 70F | 120 mm | None | Cool for most swimmers | Whale watching peak and low crowds |
| Mar | 20C / 68F | 22C / 72F | 160 mm | None | Possible with tolerance | Great transition month |
| Apr | 23C / 73F | 24C / 75F | 180 mm | None | Excellent | Top-tier month |
| May | 25C / 77F | 26C / 79F | 230 mm | Low | Excellent | Best if avoiding Golden Week |
| Jun | 28C / 82F | 28C / 82F | 280 mm | Low | Excellent after mid-month | Late June is a value sweet spot |
| Jul | 30C / 86F | 29C / 84F | 210 mm | Moderate | Peak | Beach peak with heat and humidity |
| Aug | 30C / 86F | 29C / 84F | 240 mm | High | Peak | Hot, crowded, storm-sensitive |
| Sep | 29C / 84F | 28C / 82F | 260 mm | Very High | Warm but risky | Highest typhoon risk |
| Oct | 26C / 79F | 27C / 81F | 180 mm | Moderate | Excellent | Top-tier month from mid-October onward |
| Nov | 23C / 73F | 25C / 77F | 110 mm | Low | Good | Excellent comfort and value balance |
| Dec | 19C / 66F | 23C / 73F | 100 mm | None | Cool for casual swimming | Best for budget and sightseeing |
Air Temperature Chart
Water Temperature Chart
Rainfall Chart
Why Okinawa Is Completely Different from Mainland Japan
Okinawa sits in a subtropical band much closer to Taiwan-like weather behavior than Tokyo-like seasonal patterns. That changes how you should plan your travel months.
Okinawa vs Mainland Climate Reality
| Factor | Okinawa | Mainland Japan | Why it matters |
|---|---|---|---|
| Okinawa vs mainland Japan weather | Subtropical climate Okinawa pattern with marine-influenced warmth | Temperate to cold-season pattern with stronger winter cooling | This is why Okinawa climate planning focuses on sea conditions, not just city temperatures. |
| Winter baseline | 17-20C, no snow, light layers | 0-10C in many key cities, snow in many regions | Winter Okinawa behaves more like spring on mainland routes. |
| Water access | Sea temperature roughly 21-29C across the year | Most beach zones too cold outside summer | Okinawa allows a much longer marine activity window. |
| Rainy season timing | Typically starts earlier and often eases by mid-late June | Often centered in June into early July | Late June can become a value window in Okinawa earlier than many mainland regions. |
| Typhoon exposure | Higher seasonal exposure due to island location | Lower direct-hit frequency in many urban zones | Flexible booking strategy is more important for Okinawa summer/fall travel. |
| Trip identity | Beach, diving, island hopping, Ryukyu culture | Urban, temple, rail-corridor sightseeing | Month selection should align with marine priorities, not just air temperature comfort. |
Common misconceptions
- - Okinawa is not just a warmer version of Tokyo weather; planning logic is different.
- - Winter is mild, but it is not guaranteed beach-swim weather for everyone.
- - Rainy season does not always mean all-day rain every day.
- - Typhoon season is manageable only with flexible logistics.
Practical implication
- - Choose months based on marine priorities, not only city-weather comfort.
- - Build island routing around weather risk when traveling July-October.
- - Spring and late-fall windows usually give the cleanest first-time experience.
- - Pair Okinawa with mainland travel when you want contrast in one trip.
Month-by-Month Guide: When to Visit Okinawa
Each month below includes realistic tradeoffs on weather, water comfort, crowds, and planning complexity so you can choose based on your true trip priorities.
🐋 January
4/5Mild winter with dry patterns and calm sightseeing comfort.
Air: 15-19C / 59-66F
Water: 21C / 70F
Rain: Low to moderate
Crowds: Very low
Price: Lowest
Pros
- - Peak whale watching season begins and tours run consistently.
- - Low crowd pressure and lower hotel rates across Naha and resort zones.
- - Comfortable conditions for culture-heavy itineraries and road trips.
Cons
- - Most travelers find open-water swimming too cool for long sessions.
- - Evening wind can feel chilly on exposed coastal viewpoints.
Best for
Avoid if
- - Pure beach-lounge goals
- - Warm-water snorkeling priority
Top activities
- - Kerama whale tours
- - Shuri area history walk
- - Makishi market food crawl
Planning tip: Pack light layers and prioritize marine mammal tours early in your trip in case weather shifts.
🌸 February
4/5Still mild, with whale watching and early cherry-blossom timing.
Air: 16-20C / 61-68F
Water: 21C / 70F
Rain: Low to moderate
Crowds: Very low
Price: Lowest
Pros
- - Strong whale watching reliability and low marine traffic.
- - Okinawa cherry blossoms bloom earlier than mainland Japan.
- - Low-season pricing still available for hotels and flights.
Cons
- - Swimming remains cool for most travelers without wetsuit support.
- - Some beach clubs and seasonal operations stay limited.
Best for
Avoid if
- - High-energy beach holiday
Top activities
- - Nago sakura viewing
- - Whale watching day cruise
- - Ryukyu craft workshops
Planning tip: Choose accommodations near Naha port if whale tours are your main objective.
🌿 March
4/5Transition month with warmer days and wider activity flexibility.
Air: 18-23C / 64-73F
Water: 22C / 72F
Rain: Moderate
Crowds: Low to moderate
Price: Low to moderate
Pros
- - Comfortable weather for mixed beach, culture, and road itineraries.
- - Marine activity options reopen more fully with manageable demand.
- - Good pre-peak pricing relative to April and Golden Week.
Cons
- - Water still feels cool for travelers wanting long swim sessions.
- - Weather variability can include windy or overcast days.
Best for
Avoid if
- - Need guaranteed warm-water beach lounging
Top activities
- - Cape drives
- - Light snorkeling with wetsuit
- - Cultural site circuits
Planning tip: If beach comfort is critical, plan more sun-heavy days in late March.
🏆 April
5/5One of the most balanced months with stable weather and comfortable heat.
Air: 21-25C / 70-77F
Water: 24C / 75F
Rain: Moderate
Crowds: Moderate (high around late-month holidays)
Price: Moderate to high
Pros
- - Excellent beach comfort without peak summer humidity pressure.
- - Low typhoon risk and generally stable marine conditions.
- - Strong visibility for diving and snorkeling in many zones.
Cons
- - Late April holiday demand can push pricing and occupancy sharply higher.
- - Popular beaches and ferries require advance planning in peak weeks.
Best for
Avoid if
- - Need strict low-budget travel during holiday week
Top activities
- - Kerama snorkeling
- - Miyako beach days
- - Island-hopping day routes
Planning tip: Aim for early to mid-April to avoid late-month holiday compression.
🏖️ May
5/5Warm water and strong beach conditions, with careful date selection needed.
Air: 23-28C / 73-82F
Water: 26C / 79F
Rain: Moderate to high (late month)
Crowds: High in Golden Week, moderate after
Price: High in holidays, moderate after
Pros
- - Peak comfort for swimming, snorkeling, and marine sports.
- - Post-holiday weeks can deliver strong weather with lower pressure.
- - Excellent month for couples and family beach breaks.
Cons
- - Golden Week creates major crowd and price distortion.
- - Late month can trend toward rainy-season humidity.
Best for
Avoid if
- - Traveling only on fixed Golden Week dates with tight budgets
Top activities
- - Beach circuits
- - Blue Cave snorkel
- - Resort water sports
Planning tip: May 6-20 is often the cleanest value window after Golden Week demand drops.
🌧️ June
4/5Rainy-season month where late June often rebounds into a strong value period.
Air: 26-30C / 79-86F
Water: 28C / 82F
Rain: High in early June, moderate after
Crowds: Low to moderate
Price: Moderate
Pros
- - Very warm water and lower crowd pressure than July-August.
- - Late June often improves as rainy patterns ease.
- - Good pricing relative to peak beach season.
Cons
- - Early month can be wet and humid with reduced sunshine.
- - Outdoor scheduling needs flexibility and backups.
Best for
Avoid if
- - Need guaranteed dry days for every activity
Top activities
- - Indoor-outdoor split days
- - Aquarium + beach combos
- - Late-month diving
Planning tip: For June travel, prioritize second-half dates and keep rain-resistant day plans.
☀️ July
3/5True tropical summer feel: hot, humid, and active beach atmosphere.
Air: 28-32C / 82-90F
Water: 29C / 84F
Rain: Moderate
Crowds: Moderate to high
Price: High
Pros
- - Peak beach operation and full marine activity availability.
- - Long daylight and energetic island atmosphere.
- - Strong festival and family travel timing.
Cons
- - Heat and humidity are intense, especially midday.
- - Typhoon probability begins rising in late month.
Best for
Avoid if
- - Heat-sensitive travelers
- - Strictly fixed, non-flexible schedules
Top activities
- - Early-morning beach blocks
- - Diving
- - Night markets and festivals
Planning tip: Structure days with indoor midday breaks and evening-first scheduling.
🔥 August
3/5Hottest and busiest phase, with strong beach demand and elevated disruption risk.
Air: 28-32C / 82-90F
Water: 29C / 84F
Rain: Moderate to high
Crowds: High (especially holiday windows)
Price: High to very high
Pros
- - Maximum water warmth and complete beach-service availability.
- - Vibrant summer event calendar and family-friendly atmosphere.
Cons
- - High humidity, high crowd pressure, and higher rates.
- - Typhoon risk becomes significant and can affect ferries/flights.
Best for
Avoid if
- - Crowd-sensitive or risk-averse travelers
Top activities
- - Resort beach days
- - Morning marine tours
- - Indoor cool-down attractions
Planning tip: Use flexible booking terms and avoid rigid inter-island transfers.
🌀 September
2/5Warm water but highest typhoon disruption probability of the year.
Air: 27-31C / 81-88F
Water: 28C / 82F
Rain: High
Crowds: Low to moderate
Price: Low to moderate
Pros
- - Warm sea and reduced tourist density between storm systems.
- - Occasional good-value offers due to perceived weather risk.
Cons
- - Peak typhoon month with meaningful schedule disruption potential.
- - Flight and ferry reliability can degrade quickly.
Best for
Avoid if
- - Short trips
- - Fixed-date milestone travel
Top activities
- - Short-booking windows
- - Backup-heavy planning
- - Culture-focused flexible days
Planning tip: September travel should include explicit storm contingency plans from day one.
🌊 October
5/5Excellent shoulder-season month with warm sea and improving stability.
Air: 24-28C / 75-82F
Water: 27C / 81F
Rain: Moderate
Crowds: Low to moderate
Price: Moderate
Pros
- - Warm water with more comfortable air temperatures than summer.
- - Often one of the strongest dive/snorkel visibility windows.
- - Lower crowd pressure than midsummer holidays.
Cons
- - Early October can still carry residual storm risk.
- - Popular holiday weekends can temporarily raise rates.
Best for
Avoid if
- - Cannot tolerate any weather uncertainty in early month
Top activities
- - Kerama diving
- - Miyako beach circuits
- - Outer-island day trips
Planning tip: Mid to late October is usually the cleanest quality window.
🍃 November
5/5Comfortable weather, good water temperatures, and stable planning conditions.
Air: 21-25C / 70-77F
Water: 25C / 77F
Rain: Low
Crowds: Low to moderate
Price: Moderate
Pros
- - Excellent climate balance for mixed beach and cultural itineraries.
- - Low typhoon concern and easier logistics than summer.
- - Strong value relative to peak-season performance.
Cons
- - Water gradually cools late in month for cold-sensitive swimmers.
- - Daylight shortens compared with summer windows.
Best for
Avoid if
- - Need peak summer beach-party vibe
Top activities
- - Beach + city split days
- - Road trips
- - Snorkeling and scenic coast routes
Planning tip: November is one of the safest quality picks for first-time Okinawa visitors.
🎄 December
3/5Mild subtropical winter with budget upside and easier pacing.
Air: 17-22C / 63-72F
Water: 23C / 73F
Rain: Low
Crowds: Low
Price: Low
Pros
- - Strong hotel value and low crowd conditions.
- - Comfortable climate for non-beach-heavy exploration.
- - No typhoon risk and stable transport operations.
Cons
- - Open-water swimming feels cool for many travelers.
- - Some marine operators run reduced schedules.
Best for
Avoid if
- - Need warm sea focus every day
Top activities
- - City and heritage blocks
- - Scenic drives
- - Winter comfort food routes
Planning tip: Use December for value-focused Okinawa and save core beach priorities for spring/fall.
Typhoon Season Deep Dive
Typhoon risk is the biggest reason month choice matters in Okinawa. The goal is not fear. The goal is resilient planning with realistic flexibility.
Typhoon Risk by Period
| Period | Probability | Typical impact | Travel advice |
|---|---|---|---|
| January-March | Very low to none | Minimal storm disruption risk | Safe period for fixed schedules and short trips. |
| April-June | Low | Rainy-season effects more relevant than typhoons | Late June often works well after rainy peak eases. |
| July | Moderate | Occasional ferry and flight interruptions | Travel insurance and flexible reservation terms recommended. |
| August | High | Higher chance of itinerary compression | Avoid tight inter-island sequencing; add buffer days. |
| September | Very high | Highest annual disruption potential | Avoid if possible unless fully flexible and insured. |
| October | Moderate, declining | Early-month weather volatility possible | Mid-late October usually offers a safer balance. |
| November-December | Low to none | Stable operations and lower weather risk | Good timing for predictable planning. |
Preparation checklist
- - Buy travel insurance that explicitly covers weather-related cancellation and delay costs.
- - Choose accommodations and flights with flexible change terms when traveling July-October.
- - Avoid back-to-back critical transfers on consecutive days in high-risk months.
- - Monitor Japan Meteorological Agency updates 5-7 days before each inter-island move.
- - Keep one indoor backup day in each base city or island.
- - Carry extra medication and maintain a small emergency cash buffer.
Bottom line
- - Best low-risk months: April-May, November.
- - Moderate-risk months: July, October (especially early October).
- - Highest-risk month: September.
- - If traveling in risk windows, flexibility + insurance are mandatory, not optional.
September can still work for flexible travelers, but it is not the right month for tight, fixed-date, high-cost trips.
Best Islands to Visit by Season
Okinawa planning is not only about month selection. It is also about choosing the right island mix for that month weather profile.
Okinawa Main Island (Naha, Central, North)
Best seasons: Year-round, strongest in April-May and October-November
Best first-time entry point with broad hotel inventory, culture sites, and easy logistics for mixed-interest trips.
Access: Direct domestic flights into Naha; car rental strongly recommended.
- - Shuri Castle and Ryukyu heritage context
- - Okinawa Churaumi Aquarium and northern coast drives
- - Onna coast marine activities and family-friendly resorts
Caution: Traffic can be slow around urban corridors and holiday windows.
Kerama Islands (Zamami, Tokashiki, Aka)
Best seasons: April-June and October-November; whale season in winter
Clear water, strong snorkeling/diving visibility, and quick access from Naha for short marine escapes.
Access: Ferry from Naha; schedule sensitive to sea conditions.
- - Furuzamami beach
- - Turtle-friendly snorkeling zones
- - Winter whale tours
Caution: Ferry dependency means weather disruptions matter more in typhoon season.
Miyako Islands
Best seasons: April-May and late October-November
Known for some of Okinawa most photogenic beaches and easy self-drive coastal loops.
Access: Flight from Naha or some direct flights from major mainland cities.
- - Yonaha Maehama Beach
- - Irabu bridge drive
- - Clear-water snorkeling bays
Caution: Popular periods can fill rental-car inventory quickly.
Yaeyama Islands (Ishigaki, Taketomi, Iriomote)
Best seasons: April-May and October-November
Best for remote island-hopping, marine biodiversity, and Ryukyu atmosphere beyond the main island.
Access: Flight to Ishigaki plus inter-island ferries.
- - Kabira Bay area
- - Taketomi village cycling
- - Iriomote mangrove adventure routes
Caution: Multi-island routing requires weather buffers and careful transport timing.
Seasonal Island Strategy
| Season | Best mix | Strategy |
|---|---|---|
| Winter (Dec-Feb) | Main Island + Kerama whale day trip | Prioritize culture, whale watching, and scenic drives over full beach focus. |
| Spring (Mar-May) | Main Island + Kerama or Miyako | Best all-around window for combining culture and strong marine conditions. |
| Summer (Jun-Aug) | Main Island-centric with optional outer-island blocks | Keep routing flexible and avoid over-committing inter-island transfers. |
| Early Fall (Sep) | Main Island only or minimal transfer plan | Typhoon risk control should override aggressive island-hopping plans. |
| Late Fall (Oct-Nov) | Main Island + Miyako or Yaeyama | Excellent period for diversified itineraries and marine activities. |
Best Activities by Season
If your priority is specific activities, this matrix is often more useful than generic weather rankings.
Beach swimming (Okinawa beach season / Okinawa swimming season)
Best: April-November
Good: March, December (tolerance dependent)
Avoid: January-February for most travelers
Comfort threshold depends on personal cold tolerance and wind conditions.
Diving and snorkeling (Okinawa diving season / Okinawa snorkeling best time)
Best: April-May, October-November
Good: June-August
Avoid: September only due to typhoon volatility
Visibility and sea state often improve in spring/fall shoulder windows.
Whale watching
Best: January-February
Good: March (early)
Avoid: April-December
Kerama-focused tours are the classic winter wildlife highlight.
Island hopping
Best: April-May, October-November
Good: June, July
Avoid: September and typhoon-heavy windows
Keep buffer days between ferry/flight-dependent islands in risk months.
Cultural and food exploration
Best: November-February
Good: March, April, October
Avoid: None
Milder weather often improves city walking comfort and pacing.
Family beach vacation
Best: Late April to early July, October
Good: August, November
Avoid: September
May post-holiday and late June can be especially practical value windows.
Budget Guide by Season
Cost in Okinawa is highly seasonal. The best value months are not always the hottest or most popular beach months.
Seasonal Cost Comparison
| Season window | Hotels | Flights | Crowd pressure | Value verdict |
|---|---|---|---|---|
| Dec-Feb (off-season) | $50-120 (mid-range commonly lower) | Lowest annual baseline on many domestic routes | Low | Best for budget and low-stress pacing, weaker for full beach focus. |
| Mar-Apr (pre-peak to peak transition) | $90-220 | Rising demand, especially around holidays | Moderate to high in holiday windows | High quality period, but avoid late-April holiday spikes for value. |
| May-Jun (mixed holiday + rainy transition) | $80-200 | High in Golden Week, moderate after | High then moderate | May 6-20 and late June often offer strong quality-to-cost ratio. |
| Jul-Aug (summer peak) | $140-320+ | High due to school-holiday demand | High | Great beach energy but weaker cost efficiency. |
| Sep (risk month) | $80-180 | Can dip, but disruption costs may offset savings | Moderate | Only good value if your schedule is weather-flexible. |
| Oct-Nov (shoulder premium) | $100-220 | Moderate to high | Low to moderate | One of the strongest overall quality windows. |
Estimated Daily Budget
| Type | Accommodation | Food | Activities | Transport | Total |
|---|---|---|---|---|---|
| Budget | $40-80 | $25-45 | $20-40 | $25-45 | $110-210/day |
| Mid-range | $100-180 | $45-85 | $40-90 | $35-60 | $220-415/day |
| Premium | $220-500 | $90-180 | $80-180 | $50-100 | $440-960/day |
Sample Okinawa Itineraries
Choose the route length based on your true trip goal. Fast island-hopping without buffer days creates avoidable stress in weather-sensitive months.
5-Day First Okinawa Sampler
First-time travelers with limited time wanting a practical beach + culture split.
Ideal season: April-May or October-November
Day 1
Arrive Naha, Kokusai Street, light evening reset.
Day 2
Shuri and city heritage block, beach sunset in west coast corridor.
Day 3
Kerama day trip for snorkeling and clear-water beach time.
Day 4
Northern route: Churaumi Aquarium + coastal viewpoints.
Day 5
Southern sites or market block, departure.
7-Day Beach and Dive Balance
Travelers prioritizing beach quality with enough time for one outer-island block.
Ideal season: April-May, late June, or October-November
Days 1-2
Main island base in Naha/Onna with warm-up dives or snorkel sessions.
Day 3
Kerama marine day with turtle-focused sites.
Day 4
Fly to Miyako or Ishigaki, beach sunset transfer day.
Days 5-6
Outer-island marine activities and scenic self-drive loops.
Day 7
Return to Naha and depart.
10-Day Grand Okinawa Circuit
Travelers wanting Main Island + Miyako/Yaeyama depth in one trip.
Ideal season: April-May or October-November
Days 1-3
Main Island: Naha, culture, Kerama day trip.
Days 4-6
Miyako: top beaches, diving, and coastal bridge routes.
Days 7-9
Ishigaki/Yaeyama: island hopping and marine highlights.
Day 10
Return via Naha and depart with buffer time.
What to Pack for Okinawa by Season
Packing quality directly affects comfort in humid months and marine-heavy itineraries. Keep the kit lightweight but weather-resilient.
Spring/Fall
Balanced beach kit
- - Swimwear, UV-protection layer, breathable daywear
- - Reef-safe sunscreen SPF 50, sunglasses, hat
- - Light cardigan for indoor AC contrast
- - Waterproof pouch for phone and documents
Summer
Heat and humidity kit
- - Quick-dry clothing rotation and extra innerwear
- - Portable fan, cooling towel, electrolyte packets
- - Compact rain shell and umbrella for sudden storms
- - Anti-chafe essentials and hydration bottle
Winter
Mild winter layers
- - Light jacket, long sleeves, and easy layer system
- - Boat-friendly wind layer for whale tours
- - Closed shoes for evening wind and coastal drives
- - Optional wetsuit plan if winter marine sessions are planned
Typhoon-season add-ons
Weather resilience kit
- - Insurance documents and flexible booking references
- - Power bank and offline map setup
- - Medication buffer and emergency contacts
- - Small dry bag and cash reserve
Frequently Asked Questions
Direct answers to the most common Okinawa timing questions from beach travelers, first-timers, and families.
For most travelers, April-May and October-November are the strongest months. These windows combine beach-friendly weather, comfortable air temperatures, and lower typhoon risk than late summer.
Plan Your Okinawa Season with Confidence
If you want the safest all-around recommendation, choose April-May or October-November. If you must travel in typhoon-season months, prioritize flexibility, insurance, and realistic island-routing buffers.
Step 1
Pick your priority: beaches, diving, whale watching, or budget.
Step 2
Match that priority to the month and island mix in this guide.
Step 3
Lock transport and stay plans with weather-appropriate flexibility.
Internal Planning Links
Authoritative Sources
Japan Meteorological Agency
Official weather and typhoon forecasting references for Japan.
Okinawa Convention and Visitors Bureau
Official destination information, island access, and seasonal highlights.
NOAA
Marine and climate reference material relevant to ocean conditions and tropical systems.
PADI Diving Resources
Diving season context, certification planning, and marine safety fundamentals.