# Grace Bay water temperature Sea temperature at Grace Bay is 30.0 °C (86.0 °F). - Location: Grace Bay, Turks and Caicos - Timezone: America/Grand_Turk - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-22T10:55:34.181136-04:00 - Forecast page: https://snorkelforecast.com/turks-and-caicos/grace-bay/ - HTML sea temperature: https://snorkelforecast.com/turks-and-caicos/grace-bay/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: 25.9 °C (78.6 °F) - February: 25.4 °C (77.7 °F) - March: 26.3 °C (79.3 °F) - April: 26.7 °C (80.1 °F) - May: 28.3 °C (82.9 °F) - June: 29.3 °C (84.7 °F) - July: 29.5 °C (85.1 °F) - August: 29.8 °C (85.6 °F) - September: 30.4 °C (86.7 °F) - October: 29.9 °C (85.8 °F) - November: 28.0 °C (82.4 °F) - December: 26.8 °C (80.2 °F)