Measurements:
°C
°F
Antigua
88°F
W 19 mph
Feels like: 98°F
Precip: 36%
World Resorts Antigua and Barbuda Antigua Weather

Antigua Sea Water Temperature

Current Sea Water Temperature:
+89.2°F
Maximum Sea Water Temperature in September: 91.6°F
Minimum Sea Water Temperature in September: 85.6°F
Average water temperature in September: 88.4°F

Sea Water Temperature for the Last 10 Days:

September 08 89.2°F September 03 88.4°F
September 07 89.0°F September 02 88.4°F
September 06 88.8°F September 01 88.0°F
September 05 88.6°F August 31 88.0°F
September 04 88.6°F August 30 88.6°F

When is the Warmest Sea for Antigua?

According to our data for the last three years for Antigua the highest average sea water temperature was in September, October and August.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Antigua was 89.3°F. The maximum and minimum values were 88.8°F and 89.6°F respectively.

Sea Water Temperature in October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Antigua was 88.6°F. The maximum and minimum values were 87.6°F and 89.8°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Antigua was 88.0°F. The maximum and minimum values were 87.0°F and 88.8°F respectively.

Best Time to Visit Antigua
The most sunny months:
March 6 days
January 5 days
February 5 days
The most warm months:
September 89.5 °F
August 89.0 °F
October 88.9 °F
Warmest sea temperature:
September 88.4 °F
October 88.3 °F
August 87.6 °F
The most cold months:
February 83.0 °F
March 83.2 °F
January 83.5 °F
The most rainy months:
October 6 days
November 5 days
September 5 days
The most windy months:
July 17 mph
February 17 mph
January 17 mph

Antigua on the Weather Map

Antigua and Barbuda Resorts:
NAME
Antigua +88
Barbuda +88
St John's +88
24 Hours Weather Forecast
Antigua
Local time: 15:45
08 sep, tuesday
1800 86°F
W
20 mph
2100 86°F
W
20 mph
09 sep, wednesday
0000 86°F
W
22 mph
0300 86°F
W
22 mph
0600 86°F
W
21 mph
0900 88°F
W
20 mph
1200 88°F
W
22 mph
1500 88°F
W
22 mph