Fire Island Surf Break

Lat Long: 40.73° N 72.87° W

Fire Island 48 hour detailed Surf Forecast

Issued: 7 am 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's Fire Island sea temperature is
23.7° C
1.8° 

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 (18 Jul):

  • Morning surf: Morning surf (18 Jul, local time) - 2ft (0.6m), 4s period with S swell.
  • Afternoon surf: Afternoon surf (18 Jul, local time) - 2.5ft (0.7m), 4s period with S swell.
  • Evening surf: Evening surf (18 Jul, local time) - 3.5ft (1.1m), 5s period with S swell.

The current surf forecast for Fire Island at 2PM is: 0.7m 4s primary swell from a South direction and 0.1m 8s secondary swell from a Southeast direction, 0.1m 13s secondary swell from a Southeast direction (forecast issued at 07:00am July 18). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (18 Jul)2ft (0.6m)4s
Afternoon (18 Jul)2.5ft (0.7m)4s
Evening (18 Jul)3.5ft (1.1m)5s

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


Short Range Forecast

Heavy rain (total 22mm), heaviest during Sat night. Warm (max 26°C on Sun afternoon, min 19°C on Sun night). Winds decreasing (strong winds from the SW on Sat night, light winds from the E by Mon morning).

Saturday
18
Sunday
19
Monday
20
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)
0
0
0
0
0
0
0
0
1
1
0
1
0
1
1
1
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SSW
5
0.5
S
4
0.6
S
4
0.7
S
4
0.8
S
4
1.1
S
5
1.1
SSW
6
1
S
6
1.9
SW
7
1.2
S
7
1
S
7
0.9
S
7
0.9
S
7
0.9
S
7
0.8
S
7
0.8
S
8
0.8
S
8
0.8
S
8
0.8
S
8
0.7
S
8
0.7
S
8
0.7
S
7
0.7
S
7
Wave Graph
Metric surfscale
Energy kJ
8
7
12
18
24
64
77
66
383
155
103
81
87
87
68
71
72
74
72
55
55
53
51
Wind (km/h)
20
SSW
25
SSW
25
SSW
25
SW
25
SSW
20
SSW
40
SW
30
WSW
25
W
25
NW
25
NNW
20
NNW
15
NNW
10
NW
10
NNW
15
NNW
15
NNE
10
NE
5
E
15
SSE
10
SSE
15
SSE
15
S
Wind State
cross
cross
cross
cross
cross-on
cross
cross
cross-off
cross-off
off
off
off
cross-off
off
off
cross-off
cross-off
cross
cross-on
on
cross-on
cross-on
cross-on
High Tide
11:34AM0.99m
11:48PM1.00m
12:26PM0.97m
00:40AM0.92m
1:19PM0.95m
Low Tide
4:42AM-0.01m
4:59PM0.08m
5:27AM0.03m
5:51PM0.14m
6:14AM0.09m
6:47PM0.19m
clear
clear
cloud
light rain
light rain
thunderstorm
mod rain
thunderstorm
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
5:35
5:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:19
8:19
8:17
 mm
2
1
5
10
4
Temp °C
23
23
24
23
23
24
23
23
23
22
22
25
26
25
23
21
19
20
22
22
23
22
22
Feels °C
22
22
22
22
22
25
20
22
23
21
18
21
23
24
21
19
17
19
21
19
22
20
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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