Miyako Sea Temperature
Updated Sat 10:40 (Asia/Tokyo)
Japan · Forecast updated Aug 8, 2026, 10:40 UTC
Current Sea Temperature
28.3°C
82.9°F
Very warm water
Versus this month's average
1.9°C below
The August average in our archive is 30.2°C (86.4°F).
Recent trend
Warming by 0.5°C
Seven-day average: 30.9°C, versus 30.4°C in the prior seven days.
What to wear
Very warm water
Swimwear is usually enough; a rash guard adds sun protection.
Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions.
Sea Surface Temperature Over the Year
In the data collected for Miyako, monthly averages range from about 28.0°C (82.5°F) in June to 30.2°C (86.4°F) in August.
Over the past 30 days, the average sea temperature in Miyako has been 29.8°C.
Monthly Water Temperature Averages
| Month | Min | Average | Max |
|---|---|---|---|
| June | 26.8°C / 80.2°F | 28.0°C / 82.5°F | 29.6°C / 85.3°F |
| July | 27.3°C / 81.1°F | 29.5°C / 85.1°F | 31.2°C / 88.2°F |
| August | 28.2°C / 82.8°F | 30.2°C / 86.4°F | 31.7°C / 89.1°F |
Profile calculated from 1651 hourly forecast records across 3 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Miyako
Okinawan island ringed by white sand and clear coral shallows.
- Area
- Okinawa
Miyako Water Temperature: Common Questions
What is the sea temperature in Miyako today?
The current sea surface temperature in Miyako is 28.3°C. Over the last 30 days, the average has been 29.8°C.
When is the water warmest in Miyako?
The warmest monthly average in the Miyako archive is August, at around 30.2°C (86.4°F).
When is the water coldest in Miyako?
The coldest monthly average in the archive is June, at around 28.0°C (82.5°F).
Can you swim in Miyako today?
At 28.3°C, the water is usually comfortable for swimming and snorkeling.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Miyako.
View Snorkel Forecast →