Coastguards surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 7 am Tuesday 12 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
12.0° C
(Which is 1.5°C warmer than normal for this time of year)

How big are the waves at Coastguards today?

The current surf forecast for Coastguards at 3PM is: 0.6m 8s primary swell from a East-southeast direction and 0.3m 11s secondary swell from a Southeast direction, 0.3m 6s secondary swell from a Southwest direction (forecast issued at 07:00am May 12). The wind direction is predicted to be onshore.

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 12mm), heaviest on Wed night. Very mild (max 17°C on Thu afternoon, min 9°C on Tue morning). Winds decreasing (strong winds from the S on Wed afternoon, light winds from the SW by Thu morning).

Tuesday
12
Wednesday
13
Thursday
14
Fri
15
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)
0
0
1
0
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)
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
SSW
5
1.1
SSW
5
1.4
SSW
5
1.6
SSW
6
1.8
SSW
6
2
S
6
1.7
S
6
1.3
S
6
1.1
S
6
1
S
5
1
SSE
5
0.9
SSE
5
0.9
SSE
6
0.8
S
6
0.9
S
6
0.6
SE
8
1
SSE
8
Wave Graph
Metric surfscale
Energy kJ
30
35
56
49
47
32
31
54
50
91
167
240
314
217
114
72
58
62
51
55
41
55
45
123
Wind (km/h)
20
NNW
20
N
10
NNW
15
WSW
20
SSW
25
SSW
25
SSW
25
SSW
25
SSW
30
S
35
SSW
40
S
35
S
35
S
25
S
20
SSW
10
S
15
S
10
SW
10
WSW
10
SW
20
W
20
NNW
20
NNW
cross-off
cross-off
cross-off
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
on
cross-on
cross-on
cross
cross-off
cross-off
High Tide
3:38AM1.22m
4:16PM1.32m
4:39AM1.25m
5:10PM1.45m
5:36AM1.29m
6:00PM1.57m
Low Tide
10:02AM0.11m
10:42PM0.17m
10:50AM0.04m
11:36PM0.06m
11:38AM-0.02m
00:29AM-0.04m
clear
clear
clear
clear
clear
clear
part cloud
clear
cloud
part cloud
part cloud
clear
cloud
part cloud
cloud
light rain
light rain
light rain
light rain
rain showers
clear
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:39
5:37
5:37
5:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:00
8:00
8:01
8:01
1
5
4
1
1
Temp °C
10
9
12
14
14
12
11
11
11
12
13
14
14
14
14
13
12
13
13
15
17
15
13
12
5
3
7
9
8
6
5
5
5
5
6
6
6
7
9
9
10
11
12
14
15
11
9
7
Swell 1
Height (m)
Direction
Period (s)
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
0.3
ESE
7
0.3
ESE
7
0.3
ESE
7
0.3
E
7
0.3
E
7
1
S
5
0.2
ESE
10
0.9
SSE
5
0.9
SSE
6
0.4
ESE
6
0.4
ESE
6
0.6
SE
8
1
SSE
8
Energy kJ
30
35
56
49
47
32
31
18
17
16
16
9
9
10
8
8
58
10
51
55
10
10
45
123
Swell 2
Height (m)
Direction
Period (s)
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
0.3
SE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
E
7
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.6
S
6
0.3
E
6
Energy kJ
18
17
18
18
18
18
17
17
17
16
16
16
16
16
10
10
10
4
10
10
9
9
26
6
Swell 3
Height (m)
Direction
Period (s)
0.3
S
6
0.3
SE
11
0.2
S
6
0.1
E
13
0.1
SE
13
0.2
E
7
0.3
E
6
0.2
E
7
0.2
ESE
10
0.3
SE
8
0.4
ESE
6
Energy kJ
7
18
3
3
7
4
7
3
9
10
12
Wind waves
Height (m)
Direction
Period (s)
0.4
NNW
3
0.3
NNW
3
0.3
SW
6
0.5
SSW
3
0.6
SSW
4
0.9
SSW
4
1.1
SSW
5
1.1
SSW
5
1.4
SSW
5
1.6
SSW
6
1.8
SSW
6
2
S
6
1.7
S
6
1.3
S
6
1.1
S
6
1
SSE
5
0.8
S
6
0.9
S
6
0.5
WNW
3
0.4
WNW
3
Energy kJ
2
2
5
5
10
24
54
50
91
167
240
314
217
114
72
62
41
55
6
4
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)
6
2
0
283
283
921
319
315
315
321
858
961
1169
1120
131
73
289
65
21
6
65
21
6
6
Best forecast wave conditions in Long Island New York
Rating
(10 max)
1
1
1
1
1
1
1
2
Best forecast wave conditions in United States
Rating
(10 max)
3
3
2
2
1
2
2
2
2
2
2
1
1
2
1
2
3
3
3
2
1
2
2
2
Header Global
Rating
(10 max)
9
8
9
9
9
9
9
8
8
8
7
9
9
9
9
5
5
5
5
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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