Roatán Sea Temperature
Honduras · Forecast updated Jul 15, 2026, 06:21 UTC
Current Sea Temperature
28.4°C
83.1°F
Very warm water
Versus this month's average
Close to average
The July average in our archive is 28.6°C (83.4°F).
Recent trend
Cooling by 0.4°C
Seven-day average: 28.4°C, versus 28.8°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 mean the sea is safe.
Sea Surface Temperature Over the Year
In the data collected for Roatán, monthly averages range from about 28.6°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 28.7°C.
Monthly Water Temperature Averages
| Month | Min | Average | Max |
|---|---|---|---|
| June | 28.3°C / 82.9°F | 28.7°C / 83.7°F | 29.7°C / 85.5°F |
| July | 28.1°C / 82.6°F | 28.6°C / 83.4°F | 29.0°C / 84.2°F |
Profile calculated from 1071 hourly forecast records across 2 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Roatán
Bay Island on the Mesoamerican Reef with shallow coral walls off many beaches.
- Area
- Bay Islands
Roatán Water Temperature — Common Questions
What is the sea temperature in Roatán today?
The current sea surface temperature in Roatán is 28.4°C. Over the last 30 days, the average has been 28.7°C.
When is the water warmest in Roatán?
The warmest monthly average in the Roatán archive is June, at around 28.7°C (83.7°F).
When is the water coldest in Roatán?
The coldest monthly average in the archive is July, at around 28.6°C (83.4°F).
Can you swim in Roatán today?
Yes — at 28.4°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 Roatán.
View Snorkel Forecast →