Coastguards surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 1 pm Saturday 23 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
12.6° C
(Which is normal for this time of year)

How big are the waves at Coastguards today?

The current surf forecast for Coastguards at 4PM is: 1.2m 7s primary swell from a East-southeast direction and 0.1m 13s secondary swell from a Southeast direction (forecast issued at 01:00pm May 23). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (23 May)3ft (0.9m)7s
Afternoon (23 May)3.5ft (1.1m)7s
Evening (23 May)6ft (1.8m)6s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 32mm), heaviest during Sun morning. Very mild (max 19°C on Mon night, min 9°C on Sat night). Winds decreasing (strong winds from the E on Sat night, calm by Mon night).

Sat
23
Sunday
24
Monday
25
Tue
26
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
5 AM
8 AM
Rating
(10 max)
0
0
0
0
0
0
0
1
2
2
2
2
3
3
2
2
2
1
0
1
0
0
1
1
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)
0.9
ESE
7
1
ESE
7
1.3
ESE
7
1.7
ESE
6
2
ESE
7
2.4
ESE
8
2.5
ESE
8
3
ESE
9
3
ESE
9
2.5
ESE
9
2.5
ESE
9
2.5
ESE
9
2.1
ESE
9
1.8
ESE
9
1.6
ESE
9
1.5
ESE
8
1.3
ESE
8
1.3
ESE
8
1.2
ESE
8
1.1
ESE
8
1
ESE
8
0.9
ESE
8
0.9
ESE
8
0.8
ESE
8
Wave Graph
Metric surfscale
Energy kJ
88
111
172
211
372
628
875
1120
1226
1210
1132
969
686
512
386
309
243
207
188
161
122
95
93
74
Wind (km/h)
20
ENE
20
E
25
E
30
E
35
E
40
E
35
E
40
E
30
E
25
ENE
30
NE
25
NE
15
NE
15
NNE
15
NNE
10
NNE
10
NW
10
W
15
WSW
10
WSW
10
SW
5
WSW
5
NE
5
ENE
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross
cross-on
cross-on
on
cross-on
glassy
glassy
High Tide
2:02PM1.30m
2:12AM1.30m
2:58PM1.32m
3:09AM1.23m
3:53PM1.35m
4:05AM1.19m
Low Tide
8:05PM0.24m
8:45AM0.09m
9:11PM0.23m
9:37AM0.09m
10:09PM0.20m
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
light rain
rain showers
cloud
part cloud
cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:28
5:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:09
8:10
8:12
8:12
2
2
4
3
3
3
5
5
3
1
1
Temp °C
13
11
10
10
9
9
9
9
10
11
11
12
12
12
11
12
12
14
17
19
18
18
17
17
8
6
4
4
2
1
1
1
4
6
6
8
9
10
9
11
11
13
16
19
18
19
18
18
Swell 1
Height (m)
Direction
Period (s)
0.1
S
6
0.1
SE
13
0.1
SE
13
2.1
ESE
9
1.8
ESE
9
1.6
ESE
9
1.5
ESE
8
1.3
ESE
8
1.3
ESE
8
1.2
ESE
8
1.1
ESE
8
1
ESE
8
0.9
ESE
8
0.9
ESE
8
0.8
ESE
8
Energy kJ
1
7
7
686
512
386
309
243
207
188
161
122
95
93
74
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
13
0.1
E
18
0.1
E
18
0.1
S
17
0.5
S
6
0.6
S
6
0.7
S
6
0.7
S
6
0.8
S
7
0.9
S
7
0.9
S
7
0.8
S
7
0.8
S
7
Energy kJ
7
6
6
6
18
28
38
39
55
71
73
58
58
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
16
0.1
SE
16
0.1
SE
16
0.1
SE
16
0.1
S
16
Energy kJ
10
10
10
10
5
Wind waves
Height (m)
Direction
Period (s)
0.9
ESE
7
1
ESE
7
1.3
ESE
7
1.7
ESE
6
2
ESE
7
2.4
ESE
8
2.5
ESE
8
3
ESE
9
3
ESE
9
2.5
ESE
9
2.5
ESE
9
2.5
ESE
9
0.5
S
6
Energy kJ
88
111
172
211
372
628
875
1120
1226
1210
1132
969
18
Nearest Offshore or Glassy
Rating
(10 max)
1
2
2
1
1
1
1
2
2
2
2
4
3
3
3
3
2
2
2
2
1
1
1
1
Distance (km)
6
544
544
520
152
170
174
455
455
455
234
125
125
0
0
0
0
0
0
2
21
59
21
21
Best forecast wave conditions in Long Island New York
Rating
(10 max)
1
3
3
3
3
2
2
2
2
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
2
2
2
2
1
2
2
2
2
2
2
4
3
3
4
3
3
2
2
2
2
4
4
3
Header Global
Rating
(10 max)
7
8
7
6
5
5
5
5
5
5
5
5
5
5
4
5
5
5
4
5
4
5
5
7
  • 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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