Coastguards surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 7 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 2PM is: 0.9m 8s primary swell from a Southeast direction and 0.4m 7s secondary swell from a South direction (forecast issued at 07:00am May 11). The wind direction is predicted to be glassy.

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

Monday
11
Tuesday
12
Wednesday
13
Thu
14
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)
1
1
1
1
0
0
0
0
0
0
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
SE
8
0.9
SE
7
0.6
ESE
9
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
0.9
SSW
4
1.1
SW
5
1
SSW
5
1.1
SSW
5
1.3
SSW
5
1.7
S
6
2.4
SSW
7
2.1
S
7
2.3
S
7
2
S
6
Wave Graph
Metric surfscale
Energy kJ
129
79
54
88
93
76
70
48
30
35
56
49
47
32
31
49
40
50
91
190
473
390
465
335
Wind (km/h)
20
NNE
15
NNE
15
NNE
0
NE
10
SSW
10
SSW
10
W
30
NNW
20
NNW
25
N
15
NNW
10
WNW
15
SSW
25
SSW
25
SSW
25
SW
20
SSW
25
SSW
30
S
40
S
40
S
40
S
40
S
40
S
off
off
off
glassy
on
on
cross
cross-off
cross-off
cross-off
cross-off
cross
on
on
on
on
on
on
cross-on
on
on
on
on
cross-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
11:36PM0.06m
light rain
cloud
cloud
cloud
cloud
part cloud
clear
cloud
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:39
5:39
5:37
5:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:59
8:00
8:00
8:01
1
1
4
Temp °C
10
11
13
14
14
13
13
9
9
9
12
14
15
13
12
11
11
12
12
14
14
14
13
13
4
6
8
11
10
9
9
2
4
3
7
9
10
7
6
6
6
6
5
6
6
7
6
6
Swell 1
Height (m)
Direction
Period (s)
1.1
SE
8
0.9
SE
7
0.7
SE
7
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
0.4
ESE
7
0.4
ESE
7
0.4
ESE
7
0.4
ESE
7
0.4
ESE
7
0.3
ESE
7
0.3
E
7
0.2
ESE
10
0.2
ESE
10
Energy kJ
129
79
54
88
93
76
70
48
30
35
56
49
47
32
31
18
17
16
16
16
10
9
10
10
Swell 2
Height (m)
Direction
Period (s)
0.3
S
7
0.6
ESE
9
0.6
ESE
9
0.4
S
7
0.1
SE
12
0.4
S
7
0.3
S
6
0.3
S
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
0.3
SE
10
0.3
SE
10
0.2
ESE
10
0.2
E
7
0.2
E
7
Energy kJ
8
55
49
15
6
14
7
7
18
16
18
18
18
18
17
17
17
16
16
16
16
10
4
4
Swell 3
Height (m)
Direction
Period (s)
0.2
E
9
0.3
S
7
0.4
S
7
0.3
ENE
4
0.1
SE
15
0.2
ESE
12
0.3
SE
11
0.3
SE
11
0.3
S
6
0.3
SE
11
0.2
S
6
0.2
NNW
3
0.1
NE
4
0.1
E
13
0.1
SE
13
Energy kJ
6
8
14
4
8
14
20
19
7
18
3
1
1
3
7
Wind waves
Height (m)
Direction
Period (s)
0.5
NNE
3
0.5
NE
3
0.4
ENE
4
0.5
S
7
0.3
SSW
3
0.4
SW
3
0.3
W
3
0.4
NNW
3
0.5
N
3
0.3
NNW
3
0.4
SW
2
0.7
SSW
3
0.9
SSW
4
1.1
SW
5
1
SSW
5
1.1
SSW
5
1.3
SSW
5
1.7
S
6
2.4
SSW
7
2.1
S
7
2.3
S
7
2
S
6
Energy kJ
5
5
6
23
1
2
1
3
5
2
1
9
26
49
40
50
91
190
473
390
465
335
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
2
1
1
2
Distance (km)
0
0
0
0
131
40
6
35
6
2
2
2
255
276
319
315
315
315
321
1590
1193
1235
482
153
Best forecast wave conditions in Long Island New York
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
3
2
3
1
2
1
1
3
3
2
1
1
2
2
2
3
2
2
3
2
2
1
3
Header Global
Rating
(10 max)
5
4
5
9
5
5
9
5
9
9
8
9
9
8
6
8
7
6
6
9
9
5
9
5
  • 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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