Coastguards surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 7 am Saturday 16 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
13.5° C
(Which is 2.1°C warmer than normal for this time of year)

How big are the waves at Coastguards today?

The current surf forecast for Coastguards at 11AM is: 0.7m 9s primary swell from a East-southeast direction and 0.7m 9s secondary swell from a South-southeast direction, 0.4m 3s secondary swell from a Southwest direction (forecast issued at 07:00am May 16). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (16 May)3ft (0.9m)9s
Afternoon (16 May)2.5ft (0.7m)9s
Evening (16 May)6ft (1.9m)6s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 26°C on Sun afternoon, min 16°C on Sat morning). Winds decreasing (fresh winds from the SSW on Sat night, light winds from the ENE by Sun night).

Saturday
16
Sunday
17
Monday
18
Tue
19
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
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
ESE
9
0.9
ESE
9
0.7
ESE
9
0.7
ESE
9
1.3
S
5
1.9
SSW
6
1.9
SSW
6
1.6
SSW
6
1.3
SSW
6
1.3
S
7
1.2
S
7
1.1
S
8
1.2
S
8
1.2
S
8
1.2
S
8
1.1
S
7
0.8
SSW
7
0.6
SSE
8
0.8
SSE
8
0.8
SSE
8
0.8
SSE
8
0.8
SSE
8
0.7
SSE
7
0.5
SE
8
Wave Graph
Metric surfscale
Energy kJ
164
121
86
86
74
249
263
182
143
158
143
138
164
164
160
131
59
39
75
64
64
64
57
28
Wind (km/h)
5
SW
10
WSW
15
SW
20
SSW
30
SSW
35
SSW
30
SSW
25
SW
20
WSW
15
WNW
15
W
15
SW
20
SSW
15
SSW
10
SSW
10
SW
5
ENE
15
E
10
E
10
SE
10
SE
10
SSE
10
S
15
S
cross-on
cross-on
on
on
on
on
on
on
cross-on
cross
cross-on
on
on
on
on
cross-on
cross-off
cross-off
cross-off
cross
cross-on
cross-on
on
on
High Tide
7:21AM1.37m
7:37PM1.72m
8:13AM1.37m
8:27PM1.72m
9:07AM1.36m
9:19PM1.69m
Low Tide
1:19PM-0.08m
2:15AM-0.16m
2:11PM-0.09m
3:07AM-0.18m
3:04PM-0.07m
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
5:35
5:33
5:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:02
8:04
8:05
8:06
Temp °C
15
16
17
19
18
17
16
17
18
20
23
26
25
23
22
23
21
19
20
21
21
19
19
19
14
14
13
14
12
10
10
13
15
19
22
24
22
21
22
24
21
17
19
21
21
19
19
18
Swell 1
Height (m)
Direction
Period (s)
1
ESE
9
0.9
ESE
9
0.7
ESE
9
0.7
ESE
9
0.6
ESE
9
0.5
ESE
9
0.6
SSE
8
0.6
SSE
8
0.5
SE
8
1.3
S
7
1.2
S
7
0.9
SE
8
0.9
SSE
8
1.1
S
7
0.8
SSW
7
0.7
S
6
0.8
SSE
8
0.8
SSE
8
0.8
SSE
8
0.8
SSE
8
0.1
SE
13
0.5
SE
8
Energy kJ
164
121
86
86
64
46
45
47
35
158
143
98
95
131
58
30
75
64
64
64
7
28
Swell 2
Height (m)
Direction
Period (s)
0.6
SSE
8
0.5
S
8
0.7
SSE
9
0.7
SSE
9
0.5
ESE
9
0.4
ENE
9
0.5
E
9
0.4
ESE
9
0.4
ESE
9
0.4
ESE
8
0.3
ESE
8
0.9
SE
8
0.1
E
15
0.7
SE
8
0.6
SSE
8
0.1
E
14
0.2
S
6
0.1
SE
14
0.1
SE
14
0.1
S
17
0.1
SE
13
Energy kJ
55
32
68
65
47
26
40
26
26
24
12
95
4
59
39
4
3
7
7
6
7
Swell 3
Height (m)
Direction
Period (s)
0.5
SE
9
0.4
SSE
10
0.3
E
9
0.4
ESE
8
0.4
ESE
8
0.3
ESE
8
0.2
E
8
0.1
E
15
0.1
E
14
Energy kJ
40
35
14
24
24
13
5
4
4
Wind waves
Height (m)
Direction
Period (s)
0.2
WSW
3
0.4
SW
3
0.6
SSW
4
1.3
S
5
1.9
SSW
6
1.9
SSW
6
1.6
SSW
6
1.3
SSW
6
0.8
WSW
6
1.1
S
8
1.2
S
8
1.2
S
8
1.2
S
8
0.9
SSW
5
0.9
SSW
5
0.4
SSW
6
0.5
S
6
0.5
S
6
0.7
SSE
7
0.6
S
6
Energy kJ
1
2
10
74
249
263
182
143
47
138
164
164
160
48
37
11
17
18
57
22
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
21
6
59
131
276
1193
1193
277
62
40
6
131
186
77
41
40
0
0
0
625
789
789
321
59
Best forecast wave conditions in Long Island New York
Rating
(10 max)
2
2
1
1
1
2
2
1
2
2
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
4
3
4
2
4
3
3
4
2
2
4
1
3
4
4
5
4
4
5
4
4
4
4
4
Header Global
Rating
(10 max)
5
5
5
6
5
4
4
4
6
9
9
7
4
4
5
7
5
4
5
5
4
4
4
4
  • 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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