Coastguards surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 1 am Monday 11 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
12.2° C
(Which is 1.7°C warmer than normal for this time of year)

How big are the waves at Coastguards today?

The current surf forecast for Coastguards at 5AM is: 1.0m 8s primary swell from a Southeast direction and 0.3m 7s secondary swell from a South direction (forecast issued at 01:00am May 11). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (11 May)2.5ft (0.8m)8s
Afternoon (11 May)3ft (0.9m)8s
Evening (11 May)2.5ft (0.8m)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 7mm), mostly falling on Wed night. Very mild (max 15°C on Tue afternoon, min 9°C on Tue morning). Winds increasing (calm on Mon afternoon, strong winds from the S by Wed afternoon).

Monday
11
Tuesday
12
Wednesday
13
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)
1
1
1
1
1
0
0
0
0
0
0
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)
1.2
SSE
8
1
SE
8
0.8
SE
7
0.9
SE
8
0.9
SE
8
0.9
ESE
8
0.8
ESE
8
0.8
ESE
7
0.7
ESE
7
0.5
E
8
0.5
E
8
0.7
ESE
8
0.6
ESE
8
0.6
ESE
8
0.5
ESE
8
0.5
ESE
7
0.9
SSW
4
1
SSW
5
1.1
SSW
5
1.2
S
5
1.9
S
6
2.5
SSW
7
2.4
SSW
7
2.5
SSW
7
Wave Graph
Metric surfscale
Energy kJ
150
110
65
104
88
93
76
70
48
30
35
56
49
47
32
31
31
40
50
73
241
529
488
691
Wind (km/h)
25
N
20
NNE
15
NE
10
NNE
0
SSE
10
S
15
SSW
10
WSW
20
NNW
20
NNW
20
NNW
15
N
10
W
15
SSW
25
SSW
25
SSW
25
SSW
20
SSW
20
S
35
S
40
S
40
S
40
S
40
SSW
off
off
off
off
glassy
cross-on
on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-on
on
on
on
on
on
on
cross-on
on
on
on
on
High Tide
2:38AM1.20m
3:21PM1.21m
3:38AM1.22m
4:16PM1.32m
4:39AM1.25m
5:10PM1.45m
Low Tide
9:12AM0.18m
9:46PM0.27m
10:02AM0.11m
10:42PM0.17m
10:50AM0.04m
part cloud
light rain
cloud
cloud
cloud
cloud
clear
clear
part cloud
cloud
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:39
5:39
5:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:59
8:00
8:00
1
1
2
1
Temp °C
12
9
10
11
13
13
12
12
10
10
9
12
14
15
13
12
11
11
12
12
14
14
14
13
6
3
5
6
11
9
8
8
4
5
3
7
10
10
7
6
5
6
7
4
6
6
7
5
Swell 1
Height (m)
Direction
Period (s)
1.2
SSE
8
1
SE
8
0.8
SE
7
0.9
SE
8
0.9
SE
8
0.9
ESE
8
0.8
ESE
8
0.8
ESE
7
0.7
ESE
7
0.5
E
8
0.5
E
8
0.7
ESE
8
0.6
ESE
8
0.6
ESE
8
0.5
ESE
8
0.5
ESE
7
0.5
E
7
0.4
ESE
7
0.4
ESE
7
0.4
ESE
7
0.4
ESE
7
0.4
ESE
7
0.3
ESE
7
0.2
ESE
10
Energy kJ
150
110
65
104
88
93
76
70
48
30
35
56
49
47
32
31
27
17
17
16
16
17
10
10
Swell 2
Height (m)
Direction
Period (s)
0.3
ESE
8
0.3
S
7
0.6
ESE
9
0.4
S
7
0.4
ENE
5
0.1
SE
12
0.4
S
7
0.3
SE
11
0.4
SSW
6
0.4
SE
7
0.4
SE
7
0.3
SE
11
0.3
SE
11
0.3
SE
11
0.3
SE
11
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.4
SE
10
0.3
SE
10
0.2
ESE
10
0.2
E
7
Energy kJ
14
8
55
15
8
6
14
20
13
18
16
18
18
18
18
17
17
17
16
16
26
16
10
4
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
16
0.2
E
9
0.4
S
7
0.1
SE
12
0.4
S
7
0.1
SE
15
0.2
ESE
12
0.1
SE
15
0.3
SE
11
0.3
S
6
0.3
SE
11
0.2
S
6
0.2
S
6
0.1
E
13
0.1
SE
13
Energy kJ
10
6
15
6
15
8
14
8
19
7
18
3
3
3
7
Wind waves
Height (m)
Direction
Period (s)
0.3
NNE
2
0.6
N
3
0.6
NE
4
0.6
ENE
4
0.5
S
7
0.4
SSW
3
0.4
SSW
6
0.3
NNW
2
0.3
NNW
2
0.2
NNW
2
0.3
SSW
2
0.5
SSW
3
0.7
SSW
4
0.9
SSW
4
1
SSW
5
1.1
SSW
5
1.2
S
5
1.9
S
6
2.5
SSW
7
2.4
SSW
7
2.5
SSW
7
Energy kJ
1
7
10
12
22
3
13
1
1
1
1
5
11
31
40
50
73
241
529
488
691
Nearest Offshore or Glassy
Rating
(10 max)
1
1
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
0
0
0
131
131
6
2
6
2
0
6
255
321
283
315
315
315
315
1590
1590
1162
486
Best forecast wave conditions in Long Island New York
Rating
(10 max)
2
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
1
2
2
1
2
2
2
1
1
1
2
2
2
3
2
2
1
1
1
Header Global
Rating
(10 max)
6
5
4
5
5
5
9
9
6
9
9
9
9
9
8
9
9
9
7
6
5
9
8
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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