Location
Yonaha Maehama Beach on the map, with nearby beaches and live sea temperatures.
7-day forecast
Water, air, waves, wind and UV outlook for the week ahead.
Check live temperature
Live water temperature is loading — refresh in a moment for a precise recommendation.
Recommendation tuned for Yonaha Maehama Beach's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.
Yonaha Maehama Beach swimming conditions summary
- Water temperature
- —
- Water feels
- —
- Swimmable today
- Loading live reading
- Swim conditions score
- —
- Wetsuit needed
- Check live temperature
- Air temperature
- —
- Waves
- —
- Wind
- —
- UV index
- —
- Warmest months to swim
- July, August, September
Live water temperature is loading — refresh in a moment for a precise recommendation. Live marine data updated hourly from Open-Meteo Marine.
Frequently asked questions
Can I swim at Yonaha Maehama Beach right now?
Live data is loading. Use the 7-day forecast above to plan your swim — conditions above 22°C are comfortable for most swimmers.
What will the sea temperature be at Yonaha Maehama Beach next week?
Based on long-term August averages and the latest marine model, expect the sea around Yonaha Maehama Beach to sit close to 23.0°C over the next 7 days. Check the live 7-day chart above for the exact daily outlook.
When is the best month to swim at Yonaha Maehama Beach?
July – August – September are typically the warmest months to swim at Yonaha Maehama Beach, with sea temperatures at their seasonal peak.
Can I swim at Yonaha Maehama Beach today?
Live data is loading. In summer, this beach typically offers comfortable swimming conditions.
- • Located in Okinawa, Japan (Pacific Ocean).
- • Family friendly with calm, accessible water.
- • Live data refreshed hourly from Open-Meteo Marine.
Monthly sea temperature averages
Tap any month to see what to expect — based on regional climatology.
Best time to swim in Yonaha Maehama Beach
The sea in Yonaha Maehama Beach peaks in July, when the water averages around 23°C.
The main swimming season runs from January – December, when surface temperatures stay comfortable for extended sessions.
On average, 12 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.
The coldest month is typically January at around 20°C, when cold-water swimmers dominate the coast.
Yonaha Maehama Beach sea temperature history
Long-term climatology for Yonaha Maehama Beach shows an annual mean sea temperature of 21°C, ranging from 20°C in winter to 23°C at the summer peak.
The seasonal swing is roughly 3°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.
Recent decades have trended slightly warmer at Yonaha Maehama Beach, in line with regional sea-surface temperature records for the wider basin.
Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.
Yonaha Maehama Beach sea temperature: frequently asked questions
What is the warmest month to swim in Yonaha Maehama Beach?
July is the warmest month in Yonaha Maehama Beach, when the sea averages about 23°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in Yonaha Maehama Beach?
The coldest month in Yonaha Maehama Beach is typically January, when the water averages around 20°C. Cold-water swimmers and surfers dominate this period.
When can you swim in Yonaha Maehama Beach without a wetsuit?
The main swimming season in Yonaha Maehama Beach runs from January – December — about 12 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.
Do I need a wetsuit in Yonaha Maehama Beach?
Outside peak summer the water in Yonaha Maehama Beach drops toward 20°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable. In peak months most swimmers go without.
What is the average sea temperature in Yonaha Maehama Beach?
The long-term annual mean sea temperature in Yonaha Maehama Beach is about 21°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in Yonaha Maehama Beach?
The live reading at the top of this page shows the current sea temperature in Yonaha Maehama Beach, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.
Year-round sea temperature
Best swim months: Jan – Feb – Mar – Apr – May – Jun – Jul – Aug – Sep – Oct – Nov – Dec
| Month | Sea | Comfort |
|---|---|---|
| Jan | 20°C | Pleasant |
| Feb | 20°C | Pleasant |
| Mar | 20°C | Pleasant |
| Apr | 20°C | Pleasant |
| May | 21°C | Pleasant |
| Jun | 22°C | Warm |
| Jul ⭐ | 23°C | Warm |
| Aug | 23°C | Warm |
| Sep | 23°C | Warm |
| Oct | 22°C | Warm |
| Nov | 21°C | Pleasant |
| Dec | 20°C | Pleasant |
Nearby beaches
The closest coastline, with live water temperatures.