Coastguards surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 1 am Monday 25 May 2026 EDT
Forecast update in hr  min  s Forecast update imminent
Coastguards surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Coastguards sea temperature is
12.9° C
(Which is normal for this time of year)

How big are the waves at Coastguards today?

The current surf forecast for Coastguards at 8AM is: 1.3m 8s primary swell from a East-southeast direction and 0.5m 6s secondary swell from a South direction (forecast issued at 01:00am May 25). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (25 May)4.5ft (1.3m)8s
Afternoon (25 May)3.5ft (1.1m)8s
Evening (25 May)3.5ft (1.0m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 3mm), mostly falling on Mon morning. Warm (max 23°C on Wed afternoon, min 14°C on Mon morning). Wind will be generally light.

Monday
25
Tuesday
26
Wednesday
27
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
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
2
2
1
0
0
0
0
0
1
1
1
1
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
Wave
Height (m)
Direction
Period (s)
1.6
ESE
8
1.5
ESE
8
1.3
ESE
8
1.2
ESE
8
1.1
ESE
8
1
ESE
8
1
ESE
8
1
ESE
8
0.9
ESE
8
0.9
ESE
8
0.8
ESE
8
0.8
ESE
8
0.8
ESE
8
0.8
S
7
0.8
S
7
0.8
S
7
0.9
S
7
0.9
S
7
0.8
S
7
0.7
S
7
0.8
SSW
7
0.9
SSW
7
1.2
SSW
5
0.9
SSW
7
Wave Graph
Metric surfscale
Energy kJ
360
294
237
192
161
133
116
113
93
93
76
74
72
58
60
61
77
77
59
44
58
79
59
84
Wind (km/h)
10
NE
5
NNE
10
W
15
W
15
WSW
10
WSW
10
SW
10
WSW
5
NNW
10
NNE
10
NNE
5
E
10
SSW
15
SSW
15
SSW
15
SW
15
SW
10
SW
15
WSW
15
WSW
20
SSW
25
SW
25
WSW
20
W
cross-off
glassy
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-off
off
off
glassy
on
on
on
on
on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross
High Tide
3:09AM1.23m
3:53PM1.35m
4:05AM1.19m
4:45PM1.39m
5:00AM1.17m
5:33PM1.43m
Low Tide
9:37AM0.09m
10:09PM0.20m
10:24AM0.09m
11:00PM0.16m
11:07AM0.10m
cloud
cloud
cloud
light rain
light rain
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:28
5:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:12
8:12
8:13
1
1
1
Temp °C
13
13
14
14
16
18
20
20
19
18
17
19
20
20
19
18
17
18
19
22
23
23
22
21
12
13
14
13
15
18
20
21
20
18
16
19
19
18
18
17
16
18
19
22
22
21
20
20
Swell 1
Height (m)
Direction
Period (s)
1.6
ESE
8
1.5
ESE
8
1.3
ESE
8
1.2
ESE
8
1.1
ESE
8
1
ESE
8
1
ESE
8
1
ESE
8
0.9
ESE
8
0.9
ESE
8
0.8
ESE
8
0.8
ESE
8
0.8
ESE
8
0.8
S
7
0.8
S
7
0.8
S
7
0.6
ESE
7
0.9
S
7
0.8
S
7
0.7
S
7
0.4
SE
7
0.4
SE
7
0.3
SSE
9
0.9
SSW
7
Energy kJ
360
294
237
192
161
133
116
113
93
93
76
74
72
58
60
61
37
77
59
44
12
12
15
84
Swell 2
Height (m)
Direction
Period (s)
0.4
S
6
0.5
S
6
0.5
S
6
0.6
S
6
0.6
S
6
0.1
S
16
0.8
S
7
0.8
S
7
0.8
S
7
0.8
S
7
0.8
S
7
0.8
S
7
0.7
ESE
8
0.7
ESE
8
0.7
ESE
8
0.6
ESE
7
0.4
ESE
7
0.4
ESE
7
0.2
SSE
9
0.3
SSE
8
0.3
S
7
0.3
SSE
9
Energy kJ
12
18
18
25
29
5
56
58
60
60
58
58
50
50
50
36
20
19
8
14
9
16
Swell 3
Height (m)
Direction
Period (s)
0.1
S
17
0.1
SE
16
0.1
SE
16
0.1
SE
16
0.1
SE
16
0.1
SE
15
0.1
SE
15
0.4
SE
7
0.3
SE
7
Energy kJ
6
10
10
10
10
9
8
12
7
Wind waves
Height (m)
Direction
Period (s)
0.2
WSW
2
0.7
S
7
0.3
SSW
2
0.4
SW
3
0.9
S
7
0.6
SSW
4
0.8
SSW
7
0.9
SSW
7
1.2
SSW
5
0.6
W
4
Energy kJ
1
43
1
2
77
10
58
79
59
11
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
0
0
6
6
21
21
59
21
0
0
0
0
59
131
110
62
62
40
21
65
65
125
110
65
Best forecast wave conditions in Long Island New York
Rating
(10 max)
2
2
2
2
2
2
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
2
2
2
2
2
2
4
2
2
2
2
2
2
1
1
1
4
3
2
2
1
1
1
1
Header Global
Rating
(10 max)
4
5
5
4
4
4
4
5
5
9
9
9
9
6
7
9
6
8
9
9
9
6
6
9
  • 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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