Fire Island Surf Break

Lat Long: 40.73° N 72.87° W

Fire Island 48 hour detailed Surf Forecast

Issued: 7 pm 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Fire Island sea temperature is
24.6° C
2.4° 

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 Aug):

  • Morning surf: Morning surf (19 Aug, local time) - 2.5ft (0.7m), 6s period with SSE swell.
  • Afternoon surf: Afternoon surf (19 Aug, local time) - 2ft (0.6m), 6s period with SSE swell.
  • Evening surf: Evening surf (19 Aug, local time) - 2ft (0.6m), 6s period with SSE swell.

The current surf forecast for Fire Island at 2AM is: 0.5m 8s primary swell from a Southeast direction and 0.5m 7s secondary swell from a South direction, 0.2m 2s secondary swell from a South-southwest direction (forecast issued at 07:00pm August 18). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (19 Aug)2.5ft (0.7m)6s
Afternoon (19 Aug)2ft (0.6m)6s
Evening (19 Aug)2ft (0.6m)6s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Tue night. Warm (max 27°C on Wed afternoon, min 20°C on Thu afternoon). Wind will be generally light.

Tue
18
Wednesday
19
Thursday
20
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SSE
7
0.8
SSE
7
0.8
SSE
7
0.5
SE
8
0.4
SE
8
0.7
SSE
7
0.6
SSE
6
0.6
SSE
6
0.6
SSE
6
0.6
SSE
6
0.6
SSE
6
0.5
SE
6
0.4
SE
9
0.6
SSE
9
0.5
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
7
Wave Graph
Metric surfscale
Energy kJ
61
59
57
28
21
38
26
26
24
22
22
16
20
52
25
18
12
16
16
Wind (km/h)
10
S
15
S
15
SSW
15
SSW
15
SW
5
W
5
WNW
15
SSW
20
SSW
15
SSW
15
SSW
15
SW
15
WSW
10
WNW
20
N
15
N
10
NNW
5
NNW
5
NW
Wind State
cross-on
cross-on
cross-on
cross-on
cross
cross-off
off
cross
cross-on
cross
cross
cross
cross-off
off
cross-off
cross-off
cross-off
glassy
off
High Tide
00:53AM0.83m
1:28PM0.92m
1:51AM0.77m
2:29PM0.90m
Low Tide
6:07PM0.20m
6:16AM0.18m
7:00PM0.26m
7:05AM0.23m
7:58PM0.29m
clear
clear
rain showers
rain showers
rain showers
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:45
7:44
7:43
 mm
1
1
1
Temp °C
24
24
25
24
25
23
26
27
27
26
25
25
26
25
21
21
20
21
22
Feels °C
26
26
26
25
27
26
27
26
25
26
26
25
27
25
20
21
21
22
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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