Measurements:
°C
°F
Fire Island
50°F
SW 13 mph
Feels like: 44°F
Precip: 0%
World Resorts USA Fire Island Weather

Fire Island Sea Water Temperature

Current Sea Water Temperature:
+58.0°F
Maximum Sea Water Temperature in November: 63.8°F
Minimum Sea Water Temperature in November: 41.4°F
Average water temperature in November: 56.5°F

Sea Water Temperature for the Last 10 Days:

November 21 58.0°F November 16 59.0°F
November 20 56.8°F November 15 59.0°F
November 19 58.0°F November 08 62.6°F
November 18 58.6°F November 07 62.0°F
November 17 58.8°F November 06 62.0°F

When is the Warmest Sea for Fire Island?

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

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2024 2023 2022

The average sea surface temperature in July 2024 for Fire Island was 78.2°F. The maximum and minimum values were 72.4°F and 82.2°F respectively.

Sea Water Temperature in August

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for Fire Island was 76.7°F. The maximum and minimum values were 73.6°F and 81.6°F respectively.

Sea Water Temperature in September

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Fire Island was 72.1°F. The maximum and minimum values were 67.8°F and 75.2°F respectively.

Best Time to Visit Fire Island
The most sunny months:
November 16 days
September 15 days
July 13 days
The most warm months:
July 84.1 °F
August 82.8 °F
June 76.4 °F
Warmest sea temperature:
July 80.0 °F
August 79.4 °F
September 75.0 °F
The most cold months:
January 37.4 °F
February 37.8 °F
December 43.2 °F
The most rainy months:
March 4 days
April 4 days
February 3 days
The most windy months:
March 11 mph
November 11 mph
December 11 mph

Fire Island on the Weather Map

USA Resorts:
NAME
Boston +48
Chicago +34
Hawaii +78
Honolulu +78
Houston +74
Las Vegas +60
Los Angeles +74
Maui +72
Miami +86
New York +48
San Diego +64
San Francisco +58
Sarasota +76
Tampa +74
Washington +52
24 Hours Weather Forecast
Fire Island
Local time: 15:19
21 nov, thursday
1800 50°F
S
8 mph
2100 50°F
E
13 mph
22 nov, friday
0000 46°F
E
19 mph
0300 40°F
E
19 mph
0600 40°F
NE
19 mph
0900 42°F
NE
18 mph
1200 44°F
NE
17 mph
1500 44°F
NE
16 mph