Coastguards surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 7 pm Thursday 30 Apr 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
9.9° C
(Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Coastguards today?

The current surf forecast for Coastguards at 10PM is: 1.1m 10s primary swell from a East-southeast direction and 0.2m 4s secondary swell from a South direction, 0.2m 4s secondary swell from a West-southwest direction (forecast issued at 07:00pm April 30). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (30 Apr)--
Afternoon (30 Apr)3.5ft (1.1m)10s
Evening (30 Apr)3.5ft (1.1m)10s

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 Sat night. Very mild (max 14°C on Sun afternoon, min 7°C on Sat night). Winds increasing (calm on Sat night, fresh winds from the WNW by Sun afternoon).

Thu
30
Friday
1
Saturday
2
Sun
3
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)
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
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.1
ESE
10
1.1
ESE
10
1.1
ESE
10
1.1
ESE
10
1
ESE
10
1
ESE
10
0.9
ESE
9
0.9
ESE
9
0.8
ESE
9
0.8
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
ESE
9
0.9
ESE
9
Wave Graph
Metric surfscale
Energy kJ
240
240
235
240
197
197
156
144
113
110
84
82
82
80
79
77
54
54
55
56
56
57
62
108
Wind (km/h)
10
SW
10
W
20
NNW
20
NNW
15
NW
20
NW
15
WNW
15
SW
25
SSW
20
SSW
25
SSW
20
SW
10
WSW
10
WSW
10
W
10
WSW
10
S
0
NNW
15
NNW
25
NNW
20
NNW
25
NW
25
NW
30
WNW
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross
cross-on
on
on
on
on
cross-on
cross-on
cross
cross-on
on
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross
High Tide
7:26PM1.52m
7:44AM1.27m
8:02PM1.51m
8:23AM1.24m
8:38PM1.49m
9:02AM1.19m
Low Tide
1:40AM0.00m
1:43PM0.06m
2:21AM0.00m
2:21PM0.09m
3:01AM0.02m
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
rain showers
clear
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:46
7:47
7:49
7:50
1
2
3
1
Temp °C
12
13
12
10
9
8
11
13
13
12
11
11
10
10
11
12
11
9
8
8
7
7
10
13
10
11
7
5
4
2
6
8
6
6
6
6
7
7
8
8
8
7
4
2
1
0
3
5
Swell 1
Height (m)
Direction
Period (s)
1.1
ESE
10
1.1
ESE
10
1.1
ESE
10
1.1
ESE
10
1
ESE
10
1
ESE
10
0.9
ESE
9
0.9
ESE
9
0.8
ESE
9
0.8
ESE
9
0.7
ESE
9
0.7
ESE
9
0.8
SSW
5
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
ESE
9
0.9
ESE
9
Energy kJ
240
240
235
240
197
197
156
144
113
110
84
82
25
80
79
77
54
54
55
56
56
57
62
108
Swell 2
Height (m)
Direction
Period (s)
0.1
S
7
0.2
S
4
0.1
SW
4
0.7
ESE
9
0.1
S
7
0.5
SSW
4
0.1
S
7
0.4
SSW
4
0.3
S
4
0.3
S
4
0.2
S
4
0.2
S
4
0.2
NNE
4
0.3
SSE
10
0.4
SSE
8
Energy kJ
1
1
1
82
1
11
1
6
3
3
1
1
1
19
22
Swell 3
Height (m)
Direction
Period (s)
0.1
S
7
0.1
S
7
0.1
S
7
0.1
S
7
0.1
S
6
0.1
S
6
0.1
S
6
0.1
NE
4
0.4
SSE
10
Energy kJ
1
1
1
1
1
1
1
1
33
Wind waves
Height (m)
Direction
Period (s)
0.2
WSW
4
0.2
W
4
0.4
NW
3
0.4
WNW
3
0.4
WNW
3
0.4
W
3
0.7
SSW
3
0.8
SSW
4
1
SSW
4
1.1
SW
5
0.6
SSW
5
0.5
S
4
0.4
SSW
4
0.4
NW
2
0.5
N
3
0.6
NW
3
0.8
WNW
4
0.7
W
4
Energy kJ
2
1
2
4
4
3
10
19
35
51
17
10
6
1
5
6
16
15
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
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
21
6
6
0
0
2
40
202
276
62
21
40
62
21
196
275
0
0
2
2
40
Best forecast wave conditions in Long Island New York
Rating
(10 max)
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
2
2
2
2
2
2
1
1
2
2
2
1
1
1
1
1
3
3
1
1
1
1
1
1
Header Global
Rating
(10 max)
5
6
6
6
7
7
5
6
5
5
5
9
7
5
5
4
4
4
4
4
4
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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