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Surf Forecasts:
Gilgo surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 6 am Tuesday 16 Dec 2025 ESTForecast update in hr min s Forecast update imminent
Gilgo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gilgo sea temperature is
7.9° C
(Which is slightly cooler than normal)Nearby Cam: 3km away, TOBAY Beach Live Stream
How big are the waves at Gilgo today?
The current surf forecast for Gilgo at 8AM is: 0.2m 11s primary swell from a South-southeast direction and 0.1m 8s secondary swell from a East direction (forecast issued at 06:00am December 16). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 0.5ft (0.2m) | 11s |
| Afternoon (16 Dec) | 1ft (0.3m) | 11s |
| Evening (16 Dec) | 1ft (0.3m) | 11s |
Table - waves today at Gilgo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| 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) (?) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 4 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 11 | 5 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 11 | 12 | 12 | 19 | 19 | 18 | 18 | 31 | 54 | 74 | 126 | 159 | 120 | 111 | 83 | 74 | 49 | 36 | 35 | 46 | 44 | 30 | 49 | 166 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | glass | on | cross- on | on | on | on | on |
High Tide / height (m) | 4:24AM 1.28 | 4:43PM 1.03 | 5:07AM 1.32 | 5:29PM 1.05 | 5:48AM 1.35 | 6:11PM 1.07 | ||||||||||||||||||
Low Tide / height (m) | 10:38AM 0.09 | 10:37PM 0.08 | 11:23AM 0.04 | 11:19PM 0.07 | 12:06PM 0.01 | 12:01AM 0.06 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| Sunrise | - | - | 7:09 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:27 | - | - | - | - | - | - | - | 4:27 | - | - | - | - | - | - | - | 4:28 | - | - | - |
 |  |  | | | |  | | | |  |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | -4 | -3 | -3 | -2 | -2 | -2 | -2 | 0 | 2 | 3 | 3 | 5 | 5 | 4 | 4 | 3 | 2 | 2 | 5 | 7 | 8 | 10 | 11 | 13 |
| Feels °C (?) | -12 | -9 | -8 | -8 | -8 | -9 | -9 | -8 | -6 | -5 | -6 | -4 | -4 | -3 | -2 | -2 | -1 | -1 | 0 | 3 | 4 | 5 | 6 | 7 |
- 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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