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Surf Forecasts:
Coastguards surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 6 am Thursday 11 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
8.1° C
(Which is 1.3°C colder than average for this time of year)How big are the waves at Coastguards today?
The current surf forecast for Coastguards at 2PM is: 1.2m 5s primary swell from a West-northwest direction and 0.7m 8s secondary swell from a South direction, 0.1m 8s secondary swell from a East direction (forecast issued at 06:00am December 11). The wind direction is predicted to be cross-shore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 3.5ft (1.1m) | 8s |
| Afternoon (11 Dec) | 4.5ft (1.4m) | 5s |
| Evening (11 Dec) | 5ft (1.6m) | 5s |
Table - waves today at Coastguards. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| 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) (?) | 7 | 8 | 8 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 9 | 3 | 4 | 4 | 4 | 4 | 5 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 259 | 202 | 124 | 66 | 96 | 119 | 136 | 143 | 87 | 65 | 50 | 40 | 28 | 20 | 10 | 6 | 2 | 3 | 15 | 24 | 31 | 38 | 43 | 23 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross |
High Tide / height (m) | 12:18PM 1.20 | 1:02AM 1.17 | 1:10PM 1.13 | 1:54AM 1.18 | 2:03PM 1.07 | |||||||||||||||||||
Low Tide / height (m) | 5:58AM 0.18 | 6:44PM 0.06 | 7:06AM 0.22 | 7:39PM 0.09 | 8:09AM 0.21 | 8:29PM 0.09 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| Sunrise | - | - | 7:05 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:25 | - | - | - | - | - | - | - | 4:25 | - | - | - | - | - | - | - | 4:25 | - | - | - |
 |  |  | |  | | | | | | | | | | |  | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 5 | 0 | -1 | 0 | 1 | 0 | 0 | -2 | -3 | -4 | -3 | -2 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 3 | 4 | 4 | 3 | 0 |
| Feels °C (?) | -5 | -10 | -11 | -11 | -9 | -10 | -10 | -12 | -13 | -13 | -12 | -11 | -8 | -7 | -6 | -5 | -5 | -5 | -4 | -4 | -3 | -3 | -4 | -8 |
- 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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