World Resorts USA Fire Island Weather

Fire Island sea water temperature

Current sea water temperature:
+36.5°F
Minimum sea water temperature in February: 42.8°F
Maximum sea water temperature in February: 35.8°F
Average sea water temperature in February: 39.3°F

Sea water temperature for the last 10 days:

February 20 36.5°F February 15 36.7°F
February 19 36.1°F February 14 37.6°F
February 18 37.0°F February 13 36.9°F
February 17 37.2°F February 12 36.5°F
February 16 37.2°F February 11 36.9°F

When is the warmest sea in Fire Island?

Based on the data about daily sea water temperature for the last three years the warmest sea in Fire Island was noticed in July, August and September.

Monthly Sea Temperatures in Fire Island, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
13
26
39
52
65
78
91
104
48
55.8
64.8
72.5
76.6
77
66
56.4
48.4
42.4
39.3
41.8

Sea water temperature in July, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
66
70
74
78
82
86
90

The average sea water temperature in July of 2024 was 75.4°F. The highest and lowest sea temperatures during the month were 79.0°F and 70.2°F.

Sea water temperature in August, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
67
70
73
76
79
82
85
88

The average sea water temperature in August of 2024 was 74.0°F. The highest and lowest sea temperatures during the month were 78.4°F and 71.2°F.

Sea water temperature in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
58
62
66
70
74
78
82
86

The average sea water temperature in September of 2024 was 69.8°F. The highest and lowest sea temperatures during the month were 72.7°F and 66.0°F.

Best time for vacation in Fire Island

Sunniest months:
November 16 days
September 15 days
July 13 days
Warmest months:
July 80.7 °F
August 79.5 °F
June 73.8 °F
Warmest sea temp:
July 77.0 °F
August 76.5 °F
September 72.5 °F
Coldest months:
January 37.9 °F
February 39.0 °F
December 43.3 °F
Rainiest months:
March 4 days
April 4 days
February 3 days
Windiest months:
March 11.8 mph
January 11.6 mph
November 11.5 mph

Fire Island on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+27°F
+25°F
+75°F
+75°F
+63°F
+68°F
+77°F
+28°F
+63°F
+61°F
+46°F
+66°F
+64°F
+34°F
+21°F
24 Hours Forecast
Fire Island
Local time: 13:40
February 20, thursday
1500
28°F
SE
12 mph
1800
28°F
SE
12 mph
2100
27°F
SE
13 mph
February 21, friday
0000
23°F
SE
14 mph
0300
21°F
SE
14 mph
0600
21°F
SE
14 mph
0900
23°F
SE
15 mph
1200
32°F
SE
16 mph
Units of measurement: °C / °F