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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 Thursday 21 May 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
12.6° C
(Which is 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 1AM is: 0.4m 9s primary swell from a Southeast direction and 0.5m 6s secondary swell from a South direction (forecast issued at 07:00pm May 21). The wind direction is predicted to be glassy.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 1.5ft (0.4m) | 9s |
| Afternoon (22 May) | 4.5ft (1.4m) | 6s |
| Evening (22 May) | 5ft (1.5m) | 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 ForecastHeavy rain (total 66mm), heaviest during Sun morning. Very mild (max 15°C on Thu night, min 8°C on Sat afternoon). Winds increasing (calm on Thu night, strong winds from the E by Sat night). | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 9 | SE 9 | SE 9 | SE 8 | SE 9 | SE 9 | E 5 | ESE 5 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | |
28 | 27 | 27 | 25 | 26 | 27 | 51 | 117 | 145 | 160 | 130 | 113 | 109 | 146 | 192 | 342 | 717 | 1018 | 1218 | 1272 | 1177 | 1342 | 1441 | 1238 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | cross-off | cross | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | |
High Tide | 00:17AM1.45m | 1:05PM1.29m | 1:16AM1.37m | 2:02PM1.30m | 2:12AM1.30m | |||||||||||||||||||
Low Tide | 5:49PM0.13m | 6:44AM0.02m | 6:55PM0.20m | 7:46AM0.06m | 8:05PM0.24m | 8:45AM0.09m | ||||||||||||||||||
 | |  | | |  | | | | | | | | |  |  | | |  |  | |  | | | |
 | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — |
 | — | 8:07 | — | — | — | — | — | — | — | 8:08 | — | — | — | — | — | — | — | 8:09 | — | — | — | — | — | 8:09 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 6 | 8 | 9 | 6 | 4 | 8 | 16 | 7 | — | |
Temp °C | 15 | 15 | 15 | 15 | 13 | 12 | 13 | 13 | 13 | 11 | 11 | 11 | 11 | 11 | 9 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 11 | 11 |
14 | 14 | 14 | 13 | 10 | 6 | 6 | 6 | 7 | 5 | 5 | 6 | 6 | 5 | 2 | 1 | 0 | 2 | 1 | 2 | 2 | 5 | 3 | 4 | |
Swell 1 Height (m) Direction Period (s) | S 6 | S 6 | S 6 | S 6 | S 6 | SE 9 | SE 9 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | — | — | — | — | — | — | — | — | — |
 kJ | 27 | 26 | 18 | 17 | 11 | 27 | 20 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 8 | SE 9 | S 6 | SE 13 | SE 13 | SE 13 | — | SE 13 | SE 13 | SE 13 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 28 | 27 | 27 | 25 | 26 | 11 | 7 | 7 | 7 | — | 7 | 7 | 7 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | ENE 4 | ENE 4 | E 4 | E 4 | SE 14 | SE 14 | SE 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | 3 | 3 | 4 | 7 | 7 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | ENE 4 | — | E 5 | E 4 | E 5 | ESE 5 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
| kJ | — | — | 6 | — | 11 | 14 | 51 | 117 | 145 | 160 | 130 | 113 | 109 | 146 | 192 | 342 | 717 | 1018 | 1218 | 1272 | 1177 | 1342 | 1441 | 1238 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 12 | 618 | 555 | 546 | 618 | 618 | 632 | 618 | 522 | 487 | 475 | 457 | 963 | 963 | 457 | 457 | 457 | 236 | 236 | 132 | 127 |
Best forecast wave conditions in Long Island New York | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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