Fire Island Sea Conditions and Tide Table

Fire Island Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 10:12 AM and sunset is at 03:41 PM.

Days 1–3 Weather Summary

Mostly dry. Extremely cold air temperatures (max -16°C on Fri morning, min -20°C on Sun night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Extremely cold air temperatures (max -14°C on Wed night, min -22°C on Mon night). Wind will be generally light.

Days 7–9 Weather Summary

A moderate fall of snow, heaviest on Thu afternoon. Extremely cold (max -11°C on Thu night, min -19°C on Sat morning). Winds increasing (light winds from the N on Thu morning, strong winds from the N by Sat afternoon).

Days 10–12 Weather Summary

Mostly dry. Extremely cold (max -13°C on Tue night, min -20°C on Tue morning). Wind will be generally light.

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
6:51AM7.99m
6:09PM8.21m
7:23AM8.08m
6:45PM8.28m
7:58AM8.12m
7:20PM8.24m
8:34AM8.10m
7:56PM8.11m
9:10AM8.05m
8:35PM7.91m
9:44AM8.00m
9:18PM7.68m
10:19AM7.99m
10:07PM7.45m
10:56AM8.01m
11:01PM7.21m
11:39AM8.03m
00:03AM7.03m
12:31PM8.04m
1:15AM6.95m
1:33PM8.09m
2:43AM7.09m
2:40PM8.23m
4:10AM7.46m
Low Tide
12:44PM2.05m
1:28AM-0.26m
1:21PM1.96m
2:02AM-0.27m
1:58PM1.89m
2:35AM-0.24m
2:35PM1.84m
3:08AM-0.18m
3:15PM1.80m
3:41AM-0.09m
3:57PM1.73m
4:17AM0.07m
4:43PM1.61m
4:56AM0.34m
5:32PM1.44m
5:40AM0.75m
6:28PM1.21m
6:32AM1.26m
7:34PM0.91m
7:37AM1.74m
8:46PM0.48m
8:50AM1.96m
9:56PM0.04m
Wave
height (m) 
direction
period (s) 
0
E
1
0
E
1
0
E
1
0
E
1
0
E
1
0
E
1
0.1
N
2
0
E
1
0
E
1
0
E
1
0
E
1
0.1
N
2
0
E
1
0
E
1
0
E
1
0
E
1
0
E
1
0
E
1
0
E
1
0.1
N
2
0.2
N
2
0.4
NNE
3
0.3
NNE
3
0.3
N
3
0.4
N
3
0.6
N
3
0.6
N
3
0.1
N
2
0
E
1
0
W
1
0
W
2
0
W
2
0
E
1
0.1
N
1
0.1
N
2
0.1
N
1
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
light snow
mod snow
light snow
cloud
cloud
clear
cloud
cloud
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
light snow
mod snow
light snow
cloudy
cloudy
clear
cloudy
cloudy
clear
clear
clear
clear
clear
clear
cloudy
cloudy
cloudy
 km/h
5
NE
5
NNE
5
ENE
5
NE
5
ENE
10
NNE
5
NNE
5
NNE
5
NE
5
NNE
5
NNE
10
NNE
5
NNE
0
NNE
0
ENE
5
N
5
N
0
E
10
N
15
N
15
N
30
N
25
N
25
N
30
N
40
N
35
N
10
N
5
ESE
5
ENE
0
E
0
ENE
5
ENE
10
NNE
10
NNE
10
N
 mm 
max°C
-16
-16
-16
-17
-16
-16
-18
-19
-20
-20
-20
-21
-22
-20
-18
-18
-17
-14
-14
-13
-11
-14
-16
-17
-18
-15
-13
-14
-17
-19
-18
-18
-18
-19
-15
-13
Moonrise
11:59
12:30
12:35
12:35
12:33
12:30
12:28
12:25
12:22
12:20
12:17
12:17
Moonset
1:39
2:58
4:40
6:24
8:04
9:40
11:15
12:50
2:29
4:14
6:10
Sunrise
10:12
10:14
10:14
10:15
10:15
10:15
10:15
10:15
10:15
10:15
10:15
10:15
Sunset
3:41
3:41
3:42
3:42
3:44
3:45
3:45
3:47
3:48
3:48
3:49
3:51
Today's sea temperature in Fire Island is
-1.8° C
(Statistics for 19 Dec 1981-2005 – mean: 5.3 max: 6.5 min: 4.4°C)
Issued (local time): 2 am Friday 19 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest