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Surf Forecasts:
Coastguards surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 6 am Tuesday 09 Dec 2025 ESTForecast update in hr min s Forecast update imminent
Coastguards surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Coastguards sea temperature is
8.6° C
(Which is 1.0°C colder than average for this time of year)How big are the waves at Coastguards today?
The current surf forecast for Coastguards at 12PM is: 0.3m 8s primary swell from a East-southeast direction (forecast issued at 06:00am December 09). An open ocean swell of 0.3m 6s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Dec) | 1ft (0.3m) | 8s |
| Afternoon (09 Dec) | 1ft (0.3m) | 8s |
| Evening (09 Dec) | 4.5ft (1.4m) | 5s |
Table - waves today at Coastguards. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 09 | Wednesday 10 | Thursday 11 | Fri 12 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 4 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 5 | 6 | 6 | 6 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 10 | 14 | 14 | 14 | 14 | 30 | 141 | 282 | 364 | 459 | 698 | 1072 | 1164 | 897 | 824 | 485 | 359 | 228 | 146 | 115 | 172 | 224 | 209 | 129 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | glass | on | on | on | on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 10:27AM 1.39 | 11:13PM 1.18 | 11:24AM 1.29 | 12:09AM 1.17 | 12:18PM 1.20 | |||||||||||||||||||
Low Tide / height (m) | 3:58AM 0.01 | 4:50PM -0.06 | 4:55AM 0.11 | 5:46PM 0.01 | 5:58AM 0.18 | 6:44PM 0.06 | ||||||||||||||||||
Tuesday 09 | Wednesday 10 | Thursday 11 | Fri 12 | |||||||||||||||||||||
| Sunrise | - | - | 7:03 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:24 | - | - | - | - | - | - | - | 4:25 | - | - | - | - | - | - | - | 4:25 | - | - | - |
 |  |  |  | | | | |  | |  | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | -5 | -5 | -5 | -3 | 0 | 2 | 4 | 3 | 4 | 5 | 7 | 8 | 8 | 6 | 6 | 6 | 4 | 0 | -1 | 0 | 1 | 1 | 0 | 0 |
| Feels °C (?) | -12 | -10 | -9 | -9 | -7 | -7 | -5 | -6 | -5 | -4 | -3 | -2 | -1 | -3 | -3 | -3 | -5 | -10 | -12 | -11 | -10 | -10 | -11 | -11 |
- 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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