Fire Island Surf Break

Lat Long: 40.73° N 72.87° W

Fire Island 48 hour detailed Surf Forecast

Issued: 1 pm 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Fire Island sea temperature is
21.9°C
1.9° 

Fire Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Fire Island today (17 Sep):

  • Morning surf: Morning surf (17 Sep, local time) - 1.5ft (0.4m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (17 Sep, local time) - 0.5ft (0.2m), 12s period with SSE swell.
  • Evening surf: Evening surf (17 Sep, local time) - 0.5ft (0.2m), 12s period with SSE swell.

The current surf forecast for Fire Island at 4PM is: 0.2m 12s primary swell from a South-southeast direction and 0.3m 8s secondary swell from a East direction, 0.5m 3s secondary swell from a South direction (forecast issued at 01:00pm September 17). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (17 Sep)1.5ft (0.4m)8s
Afternoon (17 Sep)0.5ft (0.2m)12s
Evening (17 Sep)0.5ft (0.2m)12s

Table - waves today at Fire Island. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 27°C on Fri afternoon, min 16°C on Sat morning). Wind will be generally light.

Thu
17
Friday
18
Saturday
19
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
ESE
8
0.2
SSE
12
0.2
SSE
12
0.2
SSE
12
0.7
SSW
4
0.9
SSW
5
0.9
SSW
5
1.1
SW
5
0.3
SE
12
0.3
SE
12
0.3
SE
12
0.3
SE
12
0.3
SE
12
0.3
SE
12
0.3
SE
12
0.3
SE
12
1
E
6
1.2
E
6
1
E
7
0.9
ESE
7
0.8
ESE
7
Wave Graph
Metric surfscale
Energy kJ
21
15
15
15
21
34
37
58
23
23
22
22
22
21
21
24
68
116
89
73
71
Wind (km/h)
15
SSW
20
SSW
20
SSW
25
SSW
25
SSW
30
SW
20
WSW
15
NNW
20
N
15
N
20
NNW
20
N
20
NNE
30
NE
25
NE
25
NE
20
ENE
20
E
15
ESE
15
ESE
20
ESE
Wind State
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-on
cross-on
on
on
High Tide
12:36PM0.92m
1:08AM0.76m
1:35PM0.89m
2:21AM0.73m
2:46PM0.87m
Low Tide
6:19PM0.26m
6:22AM0.27m
7:16PM0.30m
7:19AM0.30m
8:17PM0.31m
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:57
6:55
6:53
 mm
Temp °C
23
22
22
22
22
22
22
21
24
27
27
25
22
19
17
16
16
17
16
17
16
Feels °C
23
21
21
21
20
20
22
22
23
26
24
22
19
13
11
11
12
13
12
14
12
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Fire Island surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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