# Okinawa - Blue Cave water temperature

Sea temperature at Okinawa - Blue Cave is 28.8 °C (83.8 °F).

- Location: Okinawa - Blue Cave, Japan
- Timezone: Asia/Tokyo
- Source: Open-Meteo marine forecast (snapshot)
- Generated at: 2026-09-22T23:19:39.658937+09:00
- Forecast page: https://snorkelforecast.com/japan/okinawa-blue-cave/
- HTML sea temperature: https://snorkelforecast.com/japan/okinawa-blue-cave/sea-temperature/
- Temperature is not a safety rating or snorkel score.
- Guidance: Very warm water
- What to wear: Swimwear is usually enough; a rash guard adds sun protection.

## Monthly baseline

- January: 22.2 °C (72.0 °F)
- February: 21.6 °C (70.9 °F)
- March: 21.5 °C (70.7 °F)
- April: 22.8 °C (73.0 °F)
- May: 24.3 °C (75.7 °F)
- June: 26.9 °C (80.4 °F)
- July: 29.5 °C (85.1 °F)
- August: 29.7 °C (85.5 °F)
- September: 29.8 °C (85.6 °F)
- October: 28.5 °C (83.3 °F)
- November: 26.3 °C (79.3 °F)
- December: 24.0 °C (75.2 °F)