# Manuel Antonio water temperature

Sea temperature at Manuel Antonio is 30.1 °C (86.2 °F).

- Location: Manuel Antonio, Costa Rica
- Timezone: America/Costa_Rica
- Source: Open-Meteo marine forecast (snapshot)
- Generated at: 2026-09-22T05:19:45.594138-06:00
- Forecast page: https://snorkelforecast.com/costa-rica/manuel-antonio/
- HTML sea temperature: https://snorkelforecast.com/costa-rica/manuel-antonio/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: 29.5 °C (85.1 °F)
- February: 30.3 °C (86.5 °F)
- March: 30.5 °C (86.9 °F)
- April: 30.7 °C (87.3 °F)
- May: 30.4 °C (86.7 °F)
- June: 29.5 °C (85.1 °F)
- July: 29.4 °C (84.9 °F)
- August: 29.3 °C (84.7 °F)
- September: 29.4 °C (84.9 °F)
- October: 28.8 °C (83.8 °F)
- November: 28.2 °C (82.8 °F)
- December: 29.1 °C (84.4 °F)