Coastguards surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 7 pm 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 2AM is: 0.7m 7s primary swell from a East-southeast direction and 0.4m 6s secondary swell from a South-southwest direction (forecast issued at 07:00pm May 11). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (12 May)1.5ft (0.5m)8s
Afternoon (12 May)2ft (0.6m)8s
Evening (12 May)1.5ft (0.5m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 13mm), heaviest on Thu morning. Very mild (max 15°C on Tue afternoon, min 9°C on Mon night). Winds decreasing (strong winds from the S on Wed afternoon, light winds from the W by Thu afternoon).

Mon
11
Tuesday
12
Wednesday
13
Thu
14
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
5 AM
8 AM
11 AM
2 PM
Rating
(10 max)
0
0
0
1
0
0
1
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)
0.8
ESE
8
0.8
ESE
8
0.7
SE
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
SSW
5
1
SSW
5
1
SSW
5
1.3
SSW
5
1.7
S
6
2
S
6
1.8
S
6
1.7
S
6
1.5
S
6
1.5
S
6
1.3
S
6
1.1
S
5
0.8
S
5
Wave Graph
Metric surfscale
Energy kJ
76
76
56
48
30
35
56
49
47
32
28
44
40
47
91
190
298
243
207
160
144
101
65
33
Wind (km/h)
10
SW
15
SW
10
WNW
15
N
20
NNW
25
NNW
15
N
10
WSW
15
SSW
25
SSW
25
SSW
25
SSW
20
SSW
30
S
35
S
40
S
40
S
35
S
30
S
30
S
20
S
20
S
10
S
5
W
cross-on
on
cross
cross-off
cross-off
cross-off
cross-off
cross-on
on
on
on
on
on
on
on
cross-on
on
on
on
on
cross-on
cross-on
on
cross
High Tide
3:21PM1.21m
3:38AM1.22m
4:16PM1.32m
4:39AM1.25m
5:10PM1.45m
5:36AM1.29m
Low Tide
9:46PM0.27m
10:02AM0.11m
10:42PM0.17m
10:50AM0.04m
11:36PM0.06m
11:38AM-0.02m
cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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
3
3
4
2
1
Temp °C
14
13
12
10
9
9
12
14
15
12
11
11
11
12
12
14
14
14
14
13
13
12
13
14
10
8
8
6
4
3
7
10
10
6
5
6
6
5
4
6
6
7
8
8
10
9
12
13
Swell 1
Height (m)
Direction
Period (s)
0.8
ESE
8
0.8
ESE
8
0.7
SE
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
E
7
0.4
ESE
7
0.4
ESE
7
0.4
ESE
7
0.4
ESE
7
0.3
ESE
7
0.3
ESE
7
0.3
ESE
7
0.3
ESE
7
0.3
E
7
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.4
ESE
5
Energy kJ
76
76
56
48
30
35
56
49
47
32
28
18
17
16
16
9
10
9
9
8
10
10
10
9
Swell 2
Height (m)
Direction
Period (s)
0.4
S
7
0.4
S
7
0.3
S
6
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
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
ESE
10
0.2
E
7
0.2
E
7
0.2
E
7
0.2
ESE
10
Energy kJ
14
14
7
12
18
17
18
18
18
18
18
17
17
16
16
16
16
16
10
10
4
4
4
10
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
12
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
E
13
0.1
SE
13
0.1
E
10
0.1
E
7
Energy kJ
6
14
20
19
7
18
3
1
3
7
2
1
Wind waves
Height (m)
Direction
Period (s)
0.4
SW
3
0.4
N
3
0.4
NNW
3
0.4
NNW
3
0.3
NNW
3
0.4
SSW
3
0.7
SSW
3
0.9
SSW
4
1
SSW
5
1
SSW
5
1
SSW
5
1.3
SSW
5
1.7
S
6
2
S
6
1.8
S
6
1.7
S
6
1.5
S
6
1.5
S
6
1.3
S
6
1.1
S
5
0.8
S
5
Energy kJ
3
2
3
3
2
3
10
25
44
40
47
91
190
298
243
207
160
144
101
65
33
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)
125
40
2
0
6
2
0
40
283
321
319
315
315
315
321
961
1162
961
255
477
197
60
21
6
Best forecast wave conditions in Long Island New York
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
1
2
2
2
2
2
2
2
2
1
2
2
2
3
3
2
1
1
1
2
2
3
3
2
Header Global
Rating
(10 max)
9
9
9
5
8
8
9
9
9
9
6
9
9
7
7
6
9
8
9
5
5
5
5
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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