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Surf Forecasts:
Coastguards surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 6 am Monday 15 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
7.8° C
(Which is 1.2°C colder than average for this time of year)Nearby Cam: 9km away, TOBAY Beach Live Stream
How big are the waves at Coastguards today?
The current surf forecast for Coastguards at 9AM is: 0.3m 10s primary swell from a Southeast direction and 0.2m 9s secondary swell from a South direction (forecast issued at 06:00am December 15). An open ocean swell of 1.2m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 1ft (0.3m) | 10s |
| Afternoon (15 Dec) | 3ft (0.9m) | 4s |
| Evening (15 Dec) | 1ft (0.3m) | 11s |
Table - waves today at Coastguards. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||
| 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) (?) | 9 | 9 | 10 | 10 | 4 | 11 | 11 | 4 | 4 | 4 | 11 | 11 | 11 | 11 | 11 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 48 | 27 | 15 | 16 | 33 | 21 | 24 | 43 | 41 | 29 | 19 | 19 | 19 | 18 | 18 | 60 | 94 | 143 | 222 | 245 | 290 | 161 | 125 | 86 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross | cross | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off |
High Tide / height (m) | 3:36AM 1.24 | 3:52PM 1.02 | 4:24AM 1.28 | 4:43PM 1.03 | 5:07AM 1.32 | 5:29PM 1.05 | ||||||||||||||||||
Low Tide / height (m) | 9:52AM 0.14 | 9:56PM 0.09 | 10:38AM 0.09 | 10:37PM 0.08 | 11:23AM 0.04 | 11:19PM 0.07 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||
| Sunrise | - | - | 7:09 | - | - | - | - | - | - | - | 7:09 | - | - | - | - | - | - | - | 7:09 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:25 | - | - | - | - | - | - | - | 4:27 | - | - | - | - | - | - | - | 4:27 | - | - | - |
 | |  |  | |  | | | | | | |  |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | -7 | -7 | -6 | -4 | -2 | -3 | -3 | -3 | -3 | -3 | -4 | -3 | -2 | -2 | 0 | 3 | 3 | 4 | 4 | 5 | 5 | 5 | 4 | 3 |
| Feels °C (?) | -17 | -16 | -15 | -13 | -10 | -10 | -11 | -11 | -11 | -10 | -11 | -8 | -8 | -9 | -7 | -5 | -5 | -5 | -5 | -4 | -4 | -3 | -3 | -4 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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