Culebra Sea Temperature

Updated Sat 14:42 (America/Puerto_Rico)

Puerto Rico · Forecast updated Aug 8, 2026, 14:42 UTC

Current Sea Temperature

29.0°C

84.2°F

Very warm water

Versus this month's average

Close to average

The August average in our archive is 29.1°C (84.3°F).

Recent trend

Holding fairly steady

Seven-day average: 29.1°C, versus 28.9°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 Culebra, monthly averages range from about 28.3°C (82.9°F) in June to 29.1°C (84.3°F) in August.

Over the past 30 days, the average sea temperature in Culebra has been 28.8°C.

Month	Min	Average	Max
June	28.0°C / 82.4°F	28.3°C / 82.9°F	28.7°C / 83.7°F
July	28.4°C / 83.1°F	28.7°C / 83.7°F	29.2°C / 84.6°F
August	28.7°C / 83.7°F	29.1°C / 84.3°F	29.4°C / 84.9°F

Profile calculated from 1655 hourly forecast records across 3 monthly periods. This is a growing archive, not a long-term climate normal.

Island east of the mainland with Flamenco Beach and calm reef-lined bays.

The current sea surface temperature in Culebra is 29.0°C. Over the last 30 days, the average has been 28.8°C.

The warmest monthly average in the Culebra archive is August, at around 29.1°C (84.3°F).

The coldest monthly average in the archive is June, at around 28.3°C (82.9°F).

At 29.0°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 Culebra.