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Surf Forecasts:
Fortress surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 12 pm Saturday 06 Dec 2025 ESTForecast update in hr min s Forecast update imminent
Fortress surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Fortress sea temperature is
10.4° C
(Which is normal for this time of year)How big are the waves at Fortress today?
The current surf forecast for Fortress at 6PM is: 0.4m 9s primary swell from a Southeast direction and 0.2m 3s secondary swell from a East-southeast direction (forecast issued at 12:00pm December 06). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Dec) | 1.5ft (0.4m) | 9s |
| Afternoon (06 Dec) | 1.5ft (0.4m) | 9s |
| Evening (06 Dec) | 2ft (0.6m) | 8s |
Table - waves today at Fortress. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 06 | Sunday 07 | Monday 08 | Tuesday 09 | |||||||||||||||||||||
| 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 | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 8 | 8 | 8 | 6 | 8 | 8 | 8 | 8 | 4 | 8 | 8 | 9 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 23 | 22 | 29 | 39 | 43 | 44 | 54 | 45 | 45 | 61 | 67 | 64 | 55 | 39 | 26 | 22 | 13 | 13 | 6 | 19 | 6 | 7 | 8 | 7 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | off |
High Tide / height (m) | 8:21AM 1.06 | 8:54PM 0.81 | 9:15AM 1.01 | 9:49PM 0.81 | 10:08AM 0.94 | 10:44PM 0.79 | ||||||||||||||||||
Low Tide / height (m) | 2:35PM -0.15 | 2:20AM -0.11 | 3:27PM -0.12 | 3:14AM -0.06 | 4:19PM -0.07 | 4:10AM -0.00 | ||||||||||||||||||
Saturday 06 | Sunday 07 | Monday 08 | Tuesday 09 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | - |
| Sunset | - | - | 4:19 | - | - | - | - | - | - | - | 4:19 | - | - | - | - | - | - | - | 4:19 | - | - | - | - | - |
 | | |  |  | | |  | | | | | | | | |  | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 6 | 6 | 6 | 4 | 4 | 3 | 3 | 2 | 2 | 3 | 4 | 4 | 4 | 4 | 1 | -3 | -5 | -4 | -3 | -4 | -4 | -4 | -4 | -4 |
| Feels °C (?) | 2 | 1 | 0 | -4 | -3 | -2 | -2 | -5 | -3 | 0 | -1 | -4 | -5 | -6 | -11 | -16 | -16 | -15 | -13 | -13 | -12 | -12 | -10 | -9 |
- 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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