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Surf Forecasts:
Coastguards surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 6 am Friday 05 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
9.7° C
(Which is normal for this time of year)How big are the waves at Coastguards today?
The current surf forecast for Coastguards at 9AM is: 0.4m 10s primary swell from a Southeast direction and 0.2m 7s secondary swell from a South direction (forecast issued at 06:00am December 05). An open ocean swell of 0.2m 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 (05 Dec) | 1.5ft (0.4m) | 10s |
| Afternoon (05 Dec) | 1.5ft (0.4m) | 10s |
| Evening (05 Dec) | 1.5ft (0.5m) | 10s |
Table - waves today at Coastguards. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 05 | Saturday 06 | Sunday 07 | Mon 08 | |||||||||||||||||||||
| 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) (?) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 35 | 35 | 34 | 34 | 34 | 47 | 46 | 45 | 44 | 44 | 44 | 43 | 41 | 39 | 22 | 33 | 53 | 45 | 47 | 47 | 40 | 41 | 40 | 39 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross | cross- on | glass | cross | cross- off | cross- off | glass | off | cross- off | cross- off | cross | cross | cross | cross | cross- off | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 6:47AM 1.68 | 7:22PM 1.31 | 7:38AM 1.65 | 8:17PM 1.28 | 8:33AM 1.58 | 9:15PM 1.24 | ||||||||||||||||||
Low Tide / height (m) | 1:24PM -0.25 | 1:20AM -0.18 | 2:16PM -0.24 | 2:13AM -0.14 | 3:07PM -0.20 | |||||||||||||||||||
Friday 05 | Saturday 06 | Sunday 07 | Mon 08 | |||||||||||||||||||||
| Sunrise | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:25 | - | - | - | - | - | - | - | 4:25 | - | - | - | - | - | - | - | 4:24 | - | - | - |
 | |  |  | |  | | | | | |  | | |  | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | -6 | -6 | -4 | -1 | 0 | 1 | 2 | 3 | 3 | 2 | 2 | 2 | 4 | 4 | 4 | 3 | 3 | 2 | 2 | 4 | 4 | 5 | 4 | 4 |
| Feels °C (?) | -13 | -12 | -9 | -6 | -4 | -3 | -2 | 0 | 0 | -2 | -2 | -2 | 0 | -2 | -2 | -3 | -2 | -3 | -3 | -1 | -1 | -1 | -2 | -3 |
- 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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