Fire Island Surf Break

Lat Long: 40.73° N 72.87° W

Fire Island 48 hour detailed Surf Forecast

Issued: 1 pm 21 Jul 2026 (local time)

Forecast update in  hr  min

Today's Fire Island sea temperature is
22.3° C
0.1° 

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 Jul):

  • Morning surf: Morning surf (21 Jul, local time) - 3ft (0.9m), 5s period with S swell.
  • Afternoon surf: Afternoon surf (21 Jul, local time) - 4.5ft (1.4m), 6s period with SSE swell.
  • Evening surf: Evening surf (21 Jul, local time) - 4.5ft (1.4m), 6s period with S swell.

The current surf forecast for Fire Island at 9PM is: 1.4m 6s primary swell from a South direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 01:00pm July 21). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (21 Jul)3ft (0.9m)5s
Afternoon (21 Jul)4.5ft (1.4m)6s
Evening (21 Jul)4.5ft (1.4m)6s

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


Short Range Forecast

Heavy rain (total 21mm), heaviest during Tue night. Warm (max 26°C on Wed afternoon, min 18°C on Wed night). Winds decreasing (fresh winds from the SSW on Tue night, light winds from the SW by Wed night).

Tue
21
Wednesday
22
Thursday
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)
0
0
0
0
0
0
0
0
2
0
4
3
0
1
1
1
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)
1.1
S
5
1.4
SSE
6
1.4
S
6
1.4
S
6
1.6
S
7
1.4
S
7
1.7
S
8
2
S
8
2.1
S
8
1.8
S
9
2.1
S
9
1.9
S
9
1.5
S
9
1.5
S
9
1.4
S
8
1.3
S
8
1.1
S
8
1.1
S
8
1.1
S
8
0.8
S
8
0.8
S
8
Wave Graph
Metric surfscale
Energy kJ
64
135
146
161
222
188
323
496
617
493
699
529
335
343
279
230
153
157
161
82
78
Wind (km/h)
30
SSE
30
S
25
SSW
35
SSW
20
S
30
WSW
30
WSW
30
SW
25
WSW
25
SW
10
WNW
5
SW
25
N
15
N
20
NNE
20
NNE
15
NE
10
ENE
10
SSE
10
S
10
SE
Wind State
cross-on
cross-on
cross-on
cross
cross-on
cross-off
cross-off
cross
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
on
cross-on
on
High Tide
2:15PM0.93m
2:35AM0.79m
3:14PM0.92m
3:38AM0.75m
4:11PM0.92m
Low Tide
7:44PM0.23m
7:51AM0.17m
8:42PM0.26m
8:41AM0.20m
9:40PM0.27m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
cloud
cloud
part cloud
part cloud
thunderstorm
rain showers
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:37
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:16
8:15
8:15
 mm
1
5
3
3
8
1
1
Temp °C
23
24
23
23
23
22
22
22
23
25
26
26
22
20
18
18
21
23
22
21
21
Feels °C
21
23
23
22
24
20
20
20
21
23
27
27
18
17
15
15
18
21
20
19
20
  • 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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