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Surf Forecasts:

Robert Moses State Park surf break

Robert Moses State Park surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 1 am Monday 18 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
13.2° C
 (Which is 1.6°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 8AM is: 0.6m 8s primary swell from a South-southeast direction and 0.7m 6s secondary swell from a South direction (forecast issued at 01:00am May 18). The wind direction is predicted to be glassy.

Time (EDT) & DateWave HeightWave Period
Morning (18 May)2ft (0.6m)8s
Afternoon (18 May)2.5ft (0.8m)8s
Evening (18 May)3.5ft (1.1m)5s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast

Light rain (total 3mm), mostly falling on Mon night. Warm (max 29°C on Wed afternoon, min 15°C on Wed night). Wind will be generally light.

Monday
18
Tuesday
19
Wednesday
20
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
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
2
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.2
S
7
1
SSW
6
0.6
SSE
8
0.8
SSE
8
0.8
SSE
8
0.9
SSE
8
1
S
5
1.2
SSW
5
1.2
SSW
5
1.2
S
6
1
S
6
1
S
6
1
S
6
1.3
SSW
6
1.7
SSW
6
1.8
SSW
6
1.6
SSW
6
1.6
SSW
7
1.4
SSW
6
1.2
SSW
6
1.3
SSW
6
1.5
S
6
1.5
SSW
6
1.1
S
6
Wave Graph
Metric surfscale
Energy kJ
155
60
39
75
75
94
42
78
78
91
66
66
66
109
223
237
225
206
149
123
134
165
175
92
Wind (km/h)
15
WSW
10
WSW
5
SW
10
SSW
15
S
20
S
25
SSW
30
SW
20
SSW
20
SSW
20
SW
20
SW
20
SSW
25
SSW
10
WSW
25
SW
25
SSW
20
SW
20
SW
20
SW
25
SW
20
WSW
20
NW
15
WNW
Wind State
cross
cross
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross
cross
cross-on
cross-on
cross
off
cross-off
High Tide
9:07AM1.36m
9:19PM1.69m
10:04AM1.33m
10:17PM1.62m
11:05AM1.30m
Low Tide
3:07AM-0.18m
3:04PM-0.07m
3:58AM-0.16m
3:56PM-0.02m
4:50AM-0.11m
4:50PM0.05m
cloud
cloud
clear
clear
clear
clear
rain showers
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
rain showers
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
5:33
—
—
—
—
—
—
—
5:33
—
—
—
—
—
—
—
5:31
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
—
8:05
—
—
—
—
—
—
—
8:06
—
—
—
—
—
—
—
8:07
—
 mm
—
—
—
—
—
—
1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
1
Temp °C
24
23
23
23
25
24
22
23
24
22
22
24
26
24
24
23
20
23
24
27
29
28
23
19
Feels °C
24
23
25
23
24
21
20
20
23
21
21
23
24
20
24
20
17
21
22
25
26
26
21
17
Swell 1
Height (m)
Direction
Period (s)
1.2
S
7
0.8
SSW
5
0.7
S
6
0.8
SSE
8
0.1
E
14
0.1
SE
14
0.5
SE
8
0.4
SE
8
0.5
SE
7
0.3
SE
9
0.5
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.4
SE
8
0.6
SE
8
0.6
SE
8
0.5
SE
9
0.5
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
1.3
S
6
1.1
S
6
Energy kJ
155
37
31
75
4
7
28
21
26
14
30
44
43
43
25
42
44
37
38
26
27
29
130
92
Swell 2
Height (m)
Direction
Period (s)
0.1
E
15
0.6
SSE
8
0.6
SSE
8
0.1
E
14
—
—
0.1
SE
14
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
14
0.1
E
16
0.1
SE
16
0.1
SE
16
0.1
SE
15
0.1
SE
15
0.1
SE
12
0.1
SE
12
0.4
SE
9
0.4
SE
9
Energy kJ
4
40
39
4
—
—
7
7
7
7
7
7
7
7
7
5
10
10
9
9
6
6
29
29
Swell 3
Height (m)
Direction
Period (s)
—
0.1
E
15
0.1
E
15
—
—
0.1
E
14
—
0.1
S
17
—
—
—
—
—
—
—
—
—
—
0.1
SE
12
0.1
SE
16
0.1
SE
15
0.1
SE
15
0.1
SE
12
0.1
SE
12
Energy kJ
—
4
4
—
—
4
—
6
—
—
—
—
—
—
—
—
—
—
6
9
9
9
6
6
Wind waves
Height (m)
Direction
Period (s)
—
1
SSW
6
—
0.5
SW
6
0.8
SSE
8
0.9
SSE
8
1
S
5
1.2
SSW
5
1.2
SSW
5
1.2
S
6
1
S
6
1
S
6
1
S
6
1.3
SSW
6
1.7
SSW
6
1.8
SSW
6
1.6
SSW
6
1.6
SSW
7
1.4
SSW
6
1.2
SSW
6
1.3
SSW
6
1.5
S
6
1.5
SSW
6
0.3
WNW
4
Energy kJ
—
60
—
17
75
94
42
78
78
91
66
66
66
109
223
237
225
206
149
123
134
165
175
2
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Robert Moses State Park
Long Island NY
Robert Moses State Park
Long Island NY
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
Distance (km)
26
26
0
312
169
785
785
319
257
64
66
66
66
66
821
64
64
64
64
258
66
79
0
0
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Rating
(10 max)
2
1
1
2
1
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Trestles (Uppers)
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CAL - Orange County
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Oregon North
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Oregon North
Rincon - Rivermouth
CAL - Ventura
The Dump
Washington
Bay Head
New Jersey
Georgica Pond
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Super Tubes
CAL - Ventura
Rating
(10 max)
2
3
3
3
1
1
2
4
4
4
3
2
1
1
2
4
4
2
2
1
2
1
Header Global
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Rating
(10 max)
6
5
4
4
5
5
4
4
4
4
4
4
4
4
4
5
5
4
5
5
5
5
5
4
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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