Robert Moses State Park surf break

Robert Moses State Park surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 1 pm Wednesday 20 May 2026 EDT
Forecast update in hr  min  s Forecast update imminent
Robert Moses State Park surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Robert Moses State Park sea temperature is
13.3° C
(Which is 1.3°C warmer than normal for this time of year)

How big are the waves at Robert Moses State Park today?

The current surf forecast for Robert Moses State Park at 5PM is: 1.4m 6s primary swell from a South direction and 0.4m 9s secondary swell from a Southeast direction, 0.1m 12s secondary swell from a Southeast direction (forecast issued at 01:00pm May 20). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (20 May)4ft (1.2m)6s
Afternoon (20 May)4ft (1.2m)6s
Evening (20 May)3.5ft (1.1m)6s

Table - waves today at Robert Moses State Park. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 16mm), heaviest on Wed night. Warm (max 30°C on Wed afternoon, min 9°C on Sat morning). Wind will be generally light.

Wed
20
Thursday
21
Friday
22
Sat
23
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
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)
1.1
S
6
1.1
S
6
1.4
S
6
1.2
S
6
1.1
S
6
1
S
6
0.9
S
6
0.7
S
6
0.7
S
6
0.4
SE
9
0.8
ENE
5
0.4
SE
9
0.4
SE
9
0.6
ESE
6
0.8
ESE
6
0.8
ESE
6
0.8
E
6
0.9
ESE
5
0.9
ESE
6
1.1
SE
6
1.1
SE
6
0.9
ESE
6
0.9
ESE
6
0.9
ESE
6
Wave Graph
Metric surfscale
Energy kJ
100
100
146
109
92
76
61
36
37
28
28
27
29
25
41
46
41
36
57
85
91
67
65
65
Wind (km/h)
20
WSW
20
SW
20
SW
15
NW
20
WNW
15
NNE
15
N
20
NNE
20
NNE
25
NE
10
ENE
10
E
10
E
10
ENE
15
ENE
20
NE
20
E
25
ESE
20
ESE
20
ESE
20
ESE
20
E
20
E
25
E
cross
cross-on
cross-on
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross
cross
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
High Tide
11:05AM1.30m
11:17PM1.53m
12:06PM1.29m
00:17AM1.45m
1:05PM1.29m
1:16AM1.37m
Low Tide
4:50PM0.05m
5:45AM-0.04m
5:49PM0.13m
6:44AM0.02m
6:55PM0.20m
7:46AM0.06m
clear
clear
part cloud
rain showers
light rain
cloud
cloud
light rain
light rain
light rain
light rain
cloud
part cloud
clear
clear
part cloud
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:31
5:30
5:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:07
8:07
8:08
8:09
4
2
1
2
3
2
Temp °C
29
30
27
22
21
18
16
13
12
11
11
11
11
11
11
11
13
13
13
12
12
11
12
9
28
28
25
22
19
16
12
9
8
7
9
9
9
9
9
7
9
8
9
7
8
6
7
2
Swell 1
Height (m)
Direction
Period (s)
0.5
SE
8
0.4
SE
9
0.4
SE
9
1.2
S
6
1.1
S
6
1
S
6
0.9
S
6
0.7
S
6
0.7
S
6
0.6
S
6
0.6
S
6
0.5
S
6
0.7
E
5
0.6
ESE
6
0.3
S
6
0.3
SE
9
0.3
S
6
0.3
S
6
0.3
SE
9
0.1
SE
13
0.1
SE
13
0.1
SE
10
0.2
ESE
10
0.2
ESE
10
Energy kJ
35
28
29
109
92
76
61
36
37
27
27
19
29
25
7
14
7
7
13
7
7
4
10
10
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
15
0.1
SE
12
0.1
SE
12
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
S
6
0.4
S
6
0.3
SE
10
0.3
S
6
0.3
SE
9
0.3
SE
9
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
Energy kJ
9
6
6
29
29
29
29
29
29
28
28
27
12
12
15
7
14
12
7
7
7
7
7
7
Swell 3
Height (m)
Direction
Period (s)
0.1
E
12
0.1
SE
15
0.1
SE
15
0.1
SE
12
0.1
SE
12
0.1
SE
15
0.1
SE
14
0.1
SE
15
0.1
SE
15
0.1
SE
14
0.1
SE
14
0.4
SE
9
0.4
SE
8
0.1
SE
14
0.1
SE
14
0.3
SE
8
0.1
SE
13
Energy kJ
3
9
9
6
6
8
8
8
8
8
8
27
23
7
7
9
7
Wind waves
Height (m)
Direction
Period (s)
1.1
S
6
1.1
S
6
1.4
S
6
0.2
NNE
2
0.4
NNE
3
0.6
ENE
4
0.8
ENE
4
0.8
ENE
5
0.7
E
5
0.8
ESE
6
0.8
ESE
6
0.8
E
6
0.9
ESE
5
0.9
ESE
6
1.1
SE
6
1.1
SE
6
0.9
ESE
6
0.9
ESE
6
0.9
ESE
6
Energy kJ
100
100
146
1
2
8
22
28
25
41
46
41
36
57
85
91
67
65
65
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
Distance (km)
66
66
47
0
26
4
0
4
6
35
4
545
6
4
4
590
555
555
545
560
546
457
457
457
Best forecast wave conditions in Long Island New York
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
2
2
1
2
1
1
1
2
1
1
1
1
1
2
2
2
2
1
1
2
1
2
2
2
Header Global
Rating
(10 max)
4
5
5
5
5
5
5
5
5
5
4
4
5
7
8
7
6
5
5
5
5
6
8
9
  • 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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