Robert Moses State Park surf break

Robert Moses State Park surfForecast / Long Island NY / USA

information circle48hr Weather and Surf, issued 1 pm Saturday 21 Mar 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
3.8° C
(Which is slightly cooler than normal)

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

The current surf forecast for Robert Moses State Park at 8PM is: 0.7m 6s primary swell from a South direction and 0.5m 8s secondary swell from a Southeast direction (forecast issued at 01:00pm March 21). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (21 Mar)4.5ft (1.3m)7s
Afternoon (21 Mar)3ft (0.9m)6s
Evening (21 Mar)2.5ft (0.7m)6s

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


Updates in  hr  min  s Forecast update imminent
Saturday
21
Sunday
22
Monday
23
Tuesday
24
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
1
1
1
0
0
0
0
0
0
0
0
0
0
2
0
0
0
1
1
1
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.2
S
1
S
0.8
S
0.7
S
0.5
SE
0.5
SE
0.5
SE
0.5
SE
0.5
SE
1.1
S
1.3
S
1.3
S
1.3
S
1.4
S
1.3
S
1.1
S
0.9
SSE
0.9
S
0.6
SE
0.7
SE
0.6
SE
0.6
SE
0.6
S
0.4
SE
Period(s) (?)776688888556677777889979
Wave
Graph
(?)Metric surfscale
Energy kJ (?)131854836333333343452901101261681611117677576950503928
Wind
(km/h)
20
N
15
NNW
5
N
10
ENE
10
ENE
10
ESE
15
S
20
S
20
SSW
25
SSW
25
SSW
10
SW
10
SSE
15
NW
20
NNE
25
NNE
20
NNE
15
N
20
NNW
25
NNW
25
NNW
25
NNW
25
NNW
25
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
off
crosscrosscross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
crossonoffcross-
off
cross-
off
cross-
off
offoffoffoffoffoffoff
High Tide
/ height (m)
9:34AM
1.35
9:51PM
1.53
10:25AM
1.29
10:41PM
1.49
11:21AM
1.21
11:38PM
1.44
Low Tide
/ height (m)
3:38PM
-0.14
4:20AM
-0.12
4:21PM
-0.08
5:10AM
-0.05
5:08PM
0.00
6:08AM
0.04
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Sunrise-------6:52-------6:52-------6:50
Sunset--7:05-------7:06-------7:07-----
cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
light rain
light rain
mod rain
mod rain
light rain
cloud
cloud
clear
clear
clear
clear
clear
clear
Rain (mm)
-----------146104--------
Temp. °C81011987777991010118544674100
Feels °C (?)368533222448984-1-2-100-4-7-8-8
  • 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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