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Robert Moses State Park Surf Forecast
/ Long Island NY (34 breaks) / New York (44 breaks) /
Surf Forecasts:
Robert Moses State Park surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 7 pm Friday 20 Mar 2026 EDTForecast 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
4.0° 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 1AM is: 2.2m 7s primary swell from a South-southwest direction and 0.5m 9s secondary swell from a East-southeast direction, 0.4m 9s secondary swell from a East-southeast direction (forecast issued at 07:00pm March 20). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 4.5ft (1.4m) | 7s |
| Afternoon (21 Mar) | 3.5ft (1.0m) | 7s |
| 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
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| 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) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 5 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 8 | 8 | 8 | 8 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 146 | 291 | 550 | 407 | 282 | 183 | 131 | 110 | 71 | 37 | 33 | 34 | 34 | 34 | 43 | 75 | 88 | 80 | 160 | 150 | 138 | 94 | 81 | 83 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross | cross- off | off | off | off | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 9:06PM 1.53 | 9:34AM 1.35 | 9:51PM 1.53 | 10:25AM 1.29 | 10:41PM 1.49 | 11:21AM 1.21 | ||||||||||||||||||
Low Tide / height (m) | 2:58PM -0.16 | 3:34AM -0.15 | 3:38PM -0.14 | 4:20AM -0.12 | 4:21PM -0.08 | 5:10AM -0.05 | ||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - |
| Sunset | 7:04 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:06 | - | - | - | - | - | - | - |
 |  |  | | |  | |  | | | | | | | | | |  |  | | | | | | |
Rain (mm) | - | - | 4 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | 8 | 15 | 13 | 4 | - | - | - |
| Temp. °C | 6 | 7 | 6 | 6 | 9 | 9 | 7 | 10 | 12 | 10 | 8 | 8 | 7 | 7 | 7 | 9 | 9 | 10 | 11 | 9 | 6 | 3 | 3 | 4 |
| Feels °C (?) | -3 | -2 | -3 | 1 | 6 | 6 | 2 | 6 | 9 | 7 | 4 | 4 | 3 | 2 | 1 | 5 | 5 | 7 | 10 | 5 | 0 | -4 | -3 | 0 |
- 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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