Fortress surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 7 am Sunday 31 May 2026 EDT
Forecast update in hr  min  s Forecast update imminent
Fortress surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Fortress sea temperature is
12.4° C
(Which is 1.2°C colder than average for this time of year)

How big are the waves at Fortress today (31 May):

  • Morning surf: Morning surf (31 May, local time) - 3ft (0.9m), 10s period with E swell.
  • Afternoon surf: Afternoon surf (31 May, local time) - 2.5ft (0.8m), 10s period with ESE swell.
  • Evening surf: Evening surf (31 May, local time) - 2.5ft (0.7m), 10s period with E swell.

The current surf forecast for Fortress at 11AM is: 0.9m 10s primary swell from a East-southeast direction and 0.1m 6s secondary swell from a South direction (forecast issued at 07:00am May 31). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (31 May)3ft (0.9m)10s
Afternoon (31 May)2.5ft (0.8m)10s
Evening (31 May)2.5ft (0.7m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Sun night. Very mild (max 18°C on Sun afternoon, min 10°C on Mon night). Winds decreasing (strong winds from the ENE on Mon afternoon, calm by Tue morning).

Sunday
31
Monday
1
Tuesday
2
Wed
3
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
2 AM
Rating
(10 max)
2
1
1
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.1
E
10
0.9
E
10
0.9
ESE
10
0.8
ESE
10
0.8
ESE
10
0.7
E
10
0.6
E
9
0.8
E
9
0.7
E
9
0.5
E
9
0.5
E
9
0.5
E
9
1
E
4
1.1
E
5
1
E
5
0.8
E
5
0.4
ESE
9
0.4
ESE
9
0.5
E
9
0.5
E
9
0.5
ESE
9
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
Wave Graph
Metric surfscale
Energy kJ
233
164
180
139
133
94
63
104
81
42
41
39
35
52
45
30
26
25
39
44
50
29
29
29
Wind (km/h)
20
NW
20
WNW
20
W
25
SW
30
SW
15
NE
5
ENE
25
W
25
WNW
20
NW
10
NE
15
E
40
ENE
30
ENE
25
ENE
15
NE
15
NNE
15
NNE
5
SE
20
S
20
SSW
20
SSW
15
SW
10
NNW
off
off
off
cross-off
cross-off
cross-on
cross-on
off
off
off
cross
on
cross-on
cross-on
cross-on
cross-on
cross
cross
glassy
cross-on
cross
cross
cross-off
cross-off
High Tide
8:30AM0.66m
8:52PM0.88m
9:05AM0.66m
9:23PM0.87m
9:42AM0.66m
9:52PM0.84m
Low Tide
2:14AM0.07m
1:42PM0.09m
2:49AM0.07m
2:21PM0.10m
3:24AM0.07m
3:00PM0.12m
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
cloud
cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:18
5:18
5:16
5:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:12
8:13
8:14
8:14
1
Temp °C
10
11
13
18
16
15
14
14
14
14
15
15
13
12
12
11
10
11
12
13
14
14
16
15
5
6
8
12
9
12
13
10
9
11
13
12
5
6
7
7
6
7
10
7
9
10
12
13
Swell 1
Height (m)
Direction
Period (s)
1.1
E
10
0.9
E
10
0.9
ESE
10
0.8
ESE
10
0.8
ESE
10
0.9
SW
5
0.6
E
9
0.6
E
9
0.6
E
9
0.5
SSW
6
0.5
S
6
0.5
S
6
0.4
SSW
6
0.3
SSW
5
0.3
SSW
5
0.3
ESE
9
0.6
E
5
0.5
E
5
0.5
E
9
0.5
E
9
0.5
ESE
9
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
Energy kJ
233
164
180
139
133
32
63
60
59
18
15
15
10
6
5
16
17
11
39
44
50
29
29
29
Swell 2
Height (m)
Direction
Period (s)
0.1
S
6
0.1
S
6
0.1
S
6
0.1
S
8
0.7
E
10
0.6
SSW
5
0.8
E
9
0.7
E
9
0.5
E
9
0.5
E
9
0.7
SSW
6
0.1
S
9
0.1
S
9
0.2
SSW
5
0.4
ESE
9
0.4
ESE
9
0.2
SSW
5
0.2
S
6
0.3
S
7
0.2
SSE
8
0.3
S
6
0.3
SSE
7
Energy kJ
1
1
1
1
94
16
104
81
42
41
27
2
2
3
26
25
3
3
8
7
7
11
Swell 3
Height (m)
Direction
Period (s)
0.1
S
10
0.1
SE
9
0.1
S
9
0.1
SE
9
0.2
SSW
5
0.2
SSW
5
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.2
SSE
8
0.2
SSE
8
0.2
SSW
3
Energy kJ
2
3
2
3
3
3
3
3
3
7
6
1
Wind waves
Height (m)
Direction
Period (s)
0.4
NW
3
0.3
WNW
3
0.5
SW
3
0.9
SW
4
1.1
SW
5
0.5
SSW
5
0.8
SW
6
0.3
NW
3
0.5
E
9
1
E
4
1.1
E
5
1
E
5
0.8
E
5
0.4
S
6
0.3
SSW
3
Energy kJ
2
1
4
24
56
15
38
1
39
35
52
45
30
12
1
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
Distance (km)
0
0
0
58
32
25
4
0
0
0
2
47
160
160
148
25
2
15
2
1155
161
167
83
2
Best forecast wave conditions in Long Island New York
Rating
(10 max)
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
2
2
2
3
4
3
3
3
1
1
1
3
3
3
3
3
2
1
1
3
3
Header Global
Rating
(10 max)
6
6
6
5
5
5
5
5
5
4
5
5
5
5
5
5
5
4
4
4
5
4
4
4
  • 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

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