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Surf Forecasts:
Robert Moses State Park surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 12 am Tuesday 30 Dec 2025 ESTForecast 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
5.5° C
(Which is 1.9°C colder than average 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 3AM is: 0.9m 8s primary swell from a South direction and 0.1m 10s secondary swell from a East direction (forecast issued at 12:00am December 30). An open ocean swell of 2.0m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Dec) | 2.5ft (0.7m) | 9s |
| Afternoon (30 Dec) | 1.5ft (0.5m) | 9s |
| Evening (30 Dec) | 0.5ft (0.1m) | 12s |
Table - waves today at Robert Moses State Park. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 30 | Wednesday 31 | Thursday 01 | ||||||||||||||||||||||
| 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 9 | 9 | 9 | 9 | 8 | 7 | 12 | 12 | 13 | 12 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 157 | 136 | 94 | 99 | 76 | 52 | 35 | 73 | 3 | 3 | 3 | 3 | 54 | 59 | 73 | 80 | 157 | 231 | 300 | 144 | 82 | 52 | 25 | 16 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 2:43AM 1.36 | 3:15PM 1.11 | 3:45AM 1.44 | 4:22PM 1.14 | 4:46AM 1.50 | 5:23PM 1.19 | ||||||||||||||||||
Low Tide / height (m) | 8:23PM -0.03 | 9:25AM 0.00 | 9:22PM -0.08 | 10:24AM -0.09 | 10:20PM -0.11 | 11:22AM -0.16 | ||||||||||||||||||
Tuesday 30 | Wednesday 31 | Thursday 01 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:16 | - | - | - | - | - | - | - | 7:16 | - | - | - | - | - | - | - | 7:16 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:34 | - | - | - | - | - | - | - | 4:35 | - | - | - | - | - | - | - | 4:36 | - |
 | | |  |  | |  | | | | | | | | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 0 | 0 | -1 | -1 | -1 | -1 | 0 | 0 | -1 | -2 | -2 | -3 | -2 | -1 | 0 | 1 | 2 | 1 | 2 | -1 | -4 | -3 | -2 | -2 |
| Feels °C (?) | -13 | -13 | -13 | -12 | -12 | -13 | -12 | -11 | -12 | -12 | -11 | -12 | -11 | -10 | -9 | -8 | -8 | -8 | -8 | -11 | -14 | -14 | -11 | -10 |
- 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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