Grand Cayman, Cayman Islands water temperature Sea temperature today and for the next 7 days
29 °C
The sea around Grand Cayman is about 29 °C at the surface right now. Over the next 7 days it stays between 29 and 29 °C.
The water stays close to the surface temperature down to about 56 m at the sites we follow; deeper it gets colder.
Most divers here need a rash guard or 1–2 mm today.
Next 7 days
- Sat 14 Nov29 °C
- Sun 15 Nov29 °C
- Mon 16 Nov29 °C
- Tue 17 Nov29 °C
- Wed 18 Nov29 °C
- Thu 19 Nov29 °C
- Fri 20 Nov29 °C
By dive site
| Site | Now | Today | Warm down to | Suit |
|---|---|---|---|---|
| Oro VerdeWest Bay | 29.1 °C | 29 °C | past 56 m | Rash guard |
| USS KittiwakeWest Bay | 29.0 °C | 29 °C | past 56 m | Rash guard |
Surface temperature from the Open-Meteo marine forecast; temperature at depth, where available, from Copernicus Marine models (daily averages). Both are model estimates.