Fire Island Surf Break

Lat Long: 40.73° N 72.87° W

Fire Island 48 hour detailed Surf Forecast

Issued: 1 pm 21 Oct 2026 (local time)

Forecast update in  hr  min

Today's Fire Island sea temperature is
17.0°C
1.6° 

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 (21 Oct):

  • Morning surf: Morning surf (21 Oct, local time) - 8ft (2.5m), 10s period with E swell.
  • Afternoon surf: Afternoon surf (21 Oct, local time) - 10ft (3.0m), 10s period with E swell.
  • Evening surf: Evening surf (21 Oct, local time) - 10ft (3.0m), 11s period with E swell.

The current surf forecast for Fire Island at 8PM is: 3.0m 11s primary swell from a East direction and 2.4m 11s secondary swell from a East-southeast direction (forecast issued at 01:00pm October 21). The wind direction is predicted to be cross-offshore and the swell rating is 11.

Time (EDT) & DateWave HeightWave Period
Morning (21 Oct)8ft (2.5m)10s
Afternoon (21 Oct)10ft (3.0m)10s
Evening (21 Oct)10ft (3.0m)11s

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


Short Range Forecast

Mostly dry. Very mild (max 17°C on Thu afternoon, min 9°C on Fri morning). Winds decreasing (fresh winds from the NNE on Wed night, calm by Sat morning).

Wed
21
Thursday
22
Friday
23
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)
1
!
!
!
!
0
1
1
1
1
1
1
0
0
0
1
2
1
2
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)
2.5
E
10
3
E
10
3
E
11
3
E
11
3
E
11
2
ESE
10
1.9
ESE
10
1.7
ESE
10
1.6
ESE
10
1.5
E
10
1.4
ESE
10
1.1
ESE
9
1
E
9
0.9
ESE
9
0.8
ESE
9
1.3
E
9
1.4
ENE
10
1
E
10
0.9
E
11
0.8
E
11
0.8
E
12
Wave Graph
Metric surfscale
Energy kJ
1403
2138
2258
2308
2137
858
684
574
502
432
370
220
176
141
110
258
378
194
181
160
171
Wind (km/h)
35
NNE
35
NNE
30
NNE
35
NNE
35
NNE
35
NNE
35
N
30
N
30
N
20
N
20
N
20
NNW
25
N
25
NNE
20
NNE
25
NNE
15
NNE
15
NNE
10
NNE
5
NE
10
E
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
High Tide
4:52PM0.87m
5:23AM0.89m
5:35PM0.91m
5:59AM0.97m
6:14PM0.94m
Low Tide
9:46AM0.24m
10:16PM0.17m
10:40AM0.19m
11:02PM0.12m
11:31AM0.12m
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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7:09
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7:09
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—
—
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
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6:01
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—
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6:00
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6:00
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 mm
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Temp °C
9
12
13
11
10
10
10
11
13
16
17
15
14
11
10
9
10
12
13
13
13
Feels °C
1
5
6
3
2
2
2
4
5
10
12
10
8
5
4
3
5
7
9
9
9
  • 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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