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Surf Forecasts:
Robert Moses State Park surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 6 pm Tuesday 23 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
6.6° C
(Which is 1.5°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 10PM is: 0.6m 5s primary swell from a South-southwest direction and 0.2m 10s secondary swell from a East-southeast direction (forecast issued at 06:00pm December 23). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Dec) | - | - |
| Afternoon (23 Dec) | 2.5ft (0.8m) | 4s |
| Evening (23 Dec) | 2ft (0.6m) | 5s |
Table - waves today at Robert Moses State Park. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 4 | 5 | 5 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 15 | 23 | 19 | 38 | 23 | 11 | 6 | 8 | 9 | 8 | 4 | 11 | 10 | 78 | 125 | 117 | 90 | 96 | 74 | 74 | 51 | 51 | 32 | 33 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- off | cross | cross | cross- on | cross | cross- off | cross- off | off | off | off | off | off | cross- off | cross- off |
High Tide / height (m) | 9:28PM 1.04 | 9:34AM 1.27 | 10:13PM 1.06 | 10:21AM 1.23 | 11:02PM 1.10 | 11:12AM 1.20 | ||||||||||||||||||
Low Tide / height (m) | 3:23PM -0.02 | 3:18AM 0.11 | 4:00PM -0.01 | 3:59AM 0.14 | 4:39PM 0.00 | 4:49AM 0.16 | ||||||||||||||||||
Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:15 | - |
| Sunset | 4:29 | - | - | - | - | - | - | - | 4:30 | - | - | - | - | - | - | - | 4:30 | - | - | - | - | - | - | - |
 |  |  | |  | |  | |  | | | | | |  |  | | | | | | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 4 | 4 | 4 | 6 | 6 | 5 | 4 | 5 | 4 | 1 | 1 | 1 | 2 | 2 | 4 | 2 | 5 | 3 | -2 | -5 | -5 | -6 | -6 | -5 |
| Feels °C (?) | 0 | -1 | -3 | -1 | -1 | -6 | -6 | -4 | -5 | -6 | -3 | -3 | -3 | -5 | -5 | -6 | -4 | -7 | -12 | -15 | -14 | -15 | -14 | -12 |
- 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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