Cayo Coco Sea Temperature

Updated Mon 05:18 (America/Havana)

Cuba · Forecast updated Aug 10, 2026, 05:18 UTC

Current Sea Temperature

30.8°C

87.4°F

Very warm water

Versus this month's average

0.6°C below

The August average in our archive is 31.4°C (88.6°F).

Recent trend

Holding fairly steady

Seven-day average: 31.6°C, versus 31.8°C in the prior seven days.

What to wear

Very warm water

Swimwear is usually enough; a rash guard adds sun protection.

Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions.

Sea Surface Temperature Over the Year

In the data collected for Cayo Coco, monthly averages range from about 30.8°C (87.5°F) in June to 31.4°C (88.6°F) in August.

Over the past 30 days, the average sea temperature in Cayo Coco has been 31.0°C.

Month	Min	Average	Max
June	30.0°C / 86.0°F	30.8°C / 87.5°F	31.9°C / 89.4°F
July	29.7°C / 85.5°F	30.8°C / 87.4°F	32.5°C / 90.5°F
August	30.5°C / 86.9°F	31.4°C / 88.6°F	32.4°C / 90.3°F

Profile calculated from 1694 hourly forecast records across 3 monthly periods. This is a growing archive, not a long-term climate normal.

Cay on Cuba's northern reef with calm, clear turquoise shallows.

The current sea surface temperature in Cayo Coco is 30.8°C. Over the last 30 days, the average has been 31.0°C.

The warmest monthly average in the Cayo Coco archive is August, at around 31.4°C (88.6°F).

The coldest monthly average in the archive is June, at around 30.8°C (87.5°F).

At 30.8°C, the water is usually comfortable for swimming and snorkeling.

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