Little Cayman Sea Temperature

Cayman Islands · Updated hourly from satellite and marine data

← Snorkel forecast for Little Cayman

Current Sea Temperature

29.9°C

Comfortable for snorkeling

Sea Surface Temperature Over the Year

Sea surface temperature in Little Cayman ranges from about 29.5°C in June to 29.5°C in June. The water is warmest in late summer and coolest in winter.

Over the past 30 days, the average sea temperature in Little Cayman has been 29.5°C.

Monthly Water Temperature Averages

Month Min Average Max
Jun

Based on recent forecast data collected for Little Cayman.

Little Cayman Water Temperature — Common Questions

What is the sea temperature in Little Cayman today?

The current sea surface temperature in Little Cayman is 29.9°C. Over the last 30 days, the average has been 29.5°C.

When is the water warmest in Little Cayman?

The warmest sea temperatures in Little Cayman occur in June, averaging around 29.5°C. Late summer typically brings the warmest water, ideal for snorkeling without a wetsuit.

When is the water coldest in Little Cayman?

The coldest sea temperatures are in June, averaging around 29.5°C.

Can you swim in Little Cayman today?

Yes — at 29.9°C the water is warm enough for comfortable swimming and snorkeling.

Full Snorkeling Forecast

See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Little Cayman.

View Snorkel Forecast →