Measurements:
°C
°F
Grand Bahama
70°F
W 11 mph
Feels like: 70°F
Precip: 0%
World Resorts Bahamas Grand Bahama Weather

Grand Bahama Sea Water Temperature

Current Sea Water Temperature:
+80.6°F
Maximum Sea Water Temperature in December: 82.2°F
Minimum Sea Water Temperature in December: 74.0°F
Average water temperature in December: 78.2°F

Sea Water Temperature for the Last 10 Days:

December 04 80.6°F November 29 81.6°F
December 03 80.6°F November 28 81.4°F
December 02 80.2°F November 27 81.6°F
December 01 81.2°F November 26 81.8°F
November 30 81.4°F November 25 82.0°F

When is the Warmest Sea for Grand Bahama?

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

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Grand Bahama was 91.6°F. The maximum and minimum values were 90.0°F and 94.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Grand Bahama was 89.8°F. The maximum and minimum values were 88.2°F and 92.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Grand Bahama was 89.3°F. The maximum and minimum values were 88.0°F and 90.6°F respectively.

Best Time to Visit Grand Bahama
The most sunny months:
October 12 days
April 12 days
March 11 days
The most warm months:
August 91.0 °F
July 90.3 °F
September 89.5 °F
Warmest sea temperature:
August 90.4 °F
July 89.6 °F
September 89.2 °F
The most cold months:
January 75.1 °F
February 77.0 °F
March 78.1 °F
The most rainy months:
August 9 days
July 8 days
June 7 days
The most windy months:
November 14 mph
January 13 mph
March 13 mph

Grand Bahama on the Weather Map

Bahamas Resorts:
NAME
Abaco Islands +78
Andros +70
Eleuthera +78
Freeport +70
Grand Bahama +70
Nassau +76
New Providence +76
24 Hours Weather Forecast
Grand Bahama
Local time: 00:56
05 dec, friday
0300 70°F
W
11 mph
0600 70°F
NW
10 mph
0900 74°F
NW
9 mph
1200 76°F
N
11 mph
1500 78°F
N
10 mph
1800 78°F
N
9 mph
2100 78°F
N
6 mph
06 dec, saturday
0000 78°F
N
6 mph