Fire Island Surf Break

Lat Long: 40.73° N 72.87° W

Fire Island 48 hour detailed Surf Forecast

Issued: 1 pm 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's Fire Island sea temperature is
21.8°C
2.1° 

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 (19 Sep):

  • Morning surf: Morning surf (19 Sep, local time) - 1ft (0.3m), 12s period with SE swell.
  • Afternoon surf: Afternoon surf (19 Sep, local time) - 2.5ft (0.8m), 6s period with E swell.
  • Evening surf: Evening surf (19 Sep, local time) - 2.5ft (0.8m), 6s period with ESE swell.

The current surf forecast for Fire Island at 4PM is: 0.8m 6s primary swell from a East direction and 0.3m 8s secondary swell from a Southeast direction (forecast issued at 01:00pm September 19). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (19 Sep)1ft (0.3m)12s
Afternoon (19 Sep)2.5ft (0.8m)6s
Evening (19 Sep)2.5ft (0.8m)6s

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


Short Range Forecast

Heavy rain (total 25mm), heaviest during Tue morning. Warm (max 21°C on Sun night, min 13°C on Tue morning). Winds increasing (light winds from the WSW on Sun night, fresh winds from the NE by Tue morning).

Sat
19
Sunday
20
Monday
21
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
0
0
0
0
0
1
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)
0.3
SE
12
0.8
E
6
0.8
E
6
0.8
ESE
6
0.7
ESE
6
0.6
ESE
5
0.3
SE
11
0.4
SE
8
0.3
SE
11
0.3
SE
11
0.4
SE
11
0.4
SE
10
0.4
SE
10
0.6
SE
7
0.7
SE
9
0.7
SE
7
1
ESE
7
0.7
SE
8
1
E
6
1.1
E
6
1.2
E
6
Wave Graph
Metric surfscale
Energy kJ
21
40
43
46
37
21
19
14
18
18
29
27
34
35
74
52
114
55
71
91
119
Wind (km/h)
15
ENE
20
E
20
ESE
15
ESE
20
ESE
20
ESE
15
SE
20
SE
15
SSE
15
SSE
15
S
15
S
10
S
10
WSW
30
NNE
30
NNE
30
NE
25
NE
20
ENE
30
ENE
25
ENE
Wind State
cross
cross-on
cross-on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
cross
cross
cross-on
cross-on
cross-on
High Tide
2:46PM0.87m
3:34AM0.73m
3:53PM0.88m
4:34AM0.77m
4:49PM0.91m
Low Tide
8:17PM0.31m
8:21AM0.31m
9:17PM0.30m
9:22AM0.30m
10:12PM0.26m
part cloud
clear
part cloud
clear
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
part cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:35
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:53
6:52
6:51
 mm
1
3
2
2
2
1
1
Temp °C
17
18
17
17
17
17
18
19
19
19
19
20
21
21
16
15
15
18
19
18
17
Feels °C
13
14
13
14
14
14
16
16
17
18
18
19
22
23
12
11
10
14
15
13
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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