Roatán Sea Temperature

Updated Sat 07:46 (America/Tegucigalpa)

Honduras · Forecast updated Aug 8, 2026, 07:46 UTC

Current Sea Temperature

28.8°C

83.8°F

Very warm water

Versus this month's average

Close to average

The August average in our archive is 28.7°C (83.6°F).

Recent trend

Holding fairly steady

Seven-day average: 28.7°C, versus 28.6°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 Roatán, monthly averages range from about 28.5°C (83.4°F) in July to 28.7°C (83.7°F) in June.

Over the past 30 days, the average sea temperature in Roatán has been 28.5°C.

Month	Min	Average	Max
June	28.3°C / 82.9°F	28.7°C / 83.7°F	29.7°C / 85.5°F
July	28.0°C / 82.4°F	28.5°C / 83.4°F	29.0°C / 84.2°F
August	28.4°C / 83.1°F	28.7°C / 83.6°F	29.0°C / 84.2°F

Profile calculated from 1648 hourly forecast records across 3 monthly periods. This is a growing archive, not a long-term climate normal.

Bay Island on the Mesoamerican Reef with shallow coral walls off many beaches.

The current sea surface temperature in Roatán is 28.8°C. Over the last 30 days, the average has been 28.5°C.

The warmest monthly average in the Roatán archive is June, at around 28.7°C (83.7°F).

The coldest monthly average in the archive is July, at around 28.5°C (83.4°F).

At 28.8°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 Roatán.