Fire Island Surf Break

Lat Long: 40.73° N 72.87° W

Fire Island 48 hour detailed Surf Forecast

Issued: 7 am 20 Jul 2026 (local time)

Forecast update in  hr  min

Today's Fire Island sea temperature is
22.9° C
0.8° 

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 (20 Jul):

  • Morning surf: Morning surf (20 Jul, local time) - 2.5ft (0.7m), 7s period with S swell.
  • Afternoon surf: Afternoon surf (20 Jul, local time) - 2ft (0.6m), 7s period with S swell.
  • Evening surf: Evening surf (20 Jul, local time) - 2ft (0.6m), 7s period with S swell.

The current surf forecast for Fire Island at 3PM is: 0.6m 7s primary swell from a South direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 07:00am July 20). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (20 Jul)2.5ft (0.7m)7s
Afternoon (20 Jul)2ft (0.6m)7s
Evening (20 Jul)2ft (0.6m)7s

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


Short Range Forecast

Heavy rain (total 27mm), heaviest during Tue night. Warm (max 27°C on Wed afternoon, min 18°C on Wed night). Winds increasing (calm on Mon morning, fresh winds from the SSW by Tue night).

Monday
20
Tuesday
21
Wednesday
22
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
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
1
3
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
S
8
0.7
S
8
0.7
S
7
0.6
S
7
0.6
S
7
0.6
S
7
0.6
S
7
0.6
S
7
0.5
S
7
0.8
S
6
0.9
SSE
5
1.3
SSE
5
1.4
SSE
6
1.6
S
6
1.6
S
7
2
S
8
2
S
8
2.1
S
8
2
S
8
1.8
S
8
2
S
8
2.2
S
9
2.3
S
10
Wave Graph
Metric surfscale
Energy kJ
55
54
53
37
34
34
35
34
22
54
44
93
128
196
255
458
501
588
562
439
555
786
978
Wind (km/h)
10
NNE
5
NNE
5
SE
15
S
15
S
15
S
15
S
20
S
15
SSE
20
SSE
30
SSE
30
SSE
25
SSE
35
SW
35
SSW
35
SW
25
SW
25
SW
25
SW
25
SSW
25
SSW
15
WSW
20
NNW
Wind State
cross-off
cross-off
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
cross
cross-on
cross
cross-off
cross
cross
cross-on
cross
cross-off
cross-off
High Tide
1:19PM0.95m
1:34AM0.85m
2:15PM0.93m
2:35AM0.79m
3:14PM0.92m
Low Tide
6:14AM0.09m
6:47PM0.19m
7:02AM0.13m
7:44PM0.23m
7:51AM0.17m
8:42PM0.26m
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
thunderstorm
thunderstorm
heavy rain
heavy rain
thunderstorm
part cloud
part cloud
part cloud
clear
clear
thunderstorm
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
5:37
5:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:17
8:16
8:15
 mm
1
1
11
11
1
1
1
Temp °C
20
20
22
23
23
22
23
22
22
22
23
23
24
23
23
24
23
23
24
25
27
27
23
Feels °C
19
19
21
20
21
21
22
20
21
21
21
22
24
21
20
22
22
22
23
24
26
27
22
  • 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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