Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Fortress surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 12 am Thursday 18 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
7.7° C
(Which is 1.2°C colder than average for this time of year)How big are the waves at Fortress today?
The current surf forecast for Fortress at 5AM is: 0.8m 7s primary swell from a South-southwest direction and 0.3m 9s secondary swell from a Southeast direction (forecast issued at 12:00am December 18). The wind direction is predicted to be offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Dec) | 2.5ft (0.8m) | 7s |
| Afternoon (18 Dec) | 1.5ft (0.4m) | 11s |
| Evening (18 Dec) | 4.5ft (1.3m) | 6s |
Table - waves today at Fortress. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
| 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 | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 7 | 7 | 7 | 11 | 7 | 5 | 6 | 6 | 7 | 7 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 108 | 86 | 89 | 71 | 51 | 49 | 36 | 105 | 134 | 187 | 263 | 319 | 1053 | 2003 | 1601 | 1378 | 1282 | 1291 | 1170 | 750 | 486 | 288 | 386 | 185 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | off | glass | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off | off | off | off | off | off | off | cross- off | cross- off |
High Tide / height (m) | 6:33AM 0.81 | 6:48PM 0.61 | 7:08AM 0.81 | 7:26PM 0.62 | 7:40AM 0.81 | |||||||||||||||||||
Low Tide / height (m) | 11:20PM 0.08 | 12:30PM 0.03 | 11:59PM 0.06 | 1:05PM 0.01 | 12:39AM 0.05 | 1:41PM -0.01 | ||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:21 | - | - | - | - | - | - | - | 4:21 | - | - | - | - | - | - | - | 4:21 | - |
 |  | | |  | | | | |  | |  |  |  | | | | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 1 | 5 | 6 | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 7 | 4 | 3 | 3 | 3 | 6 | 8 | 10 | 11 | 12 | 12 | 13 | 13 | 11 | 8 | 5 | 1 | 0 | -1 | -1 | -1 | 0 | 1 | 2 |
| Feels °C (?) | -1 | -1 | -1 | 0 | -2 | 0 | 3 | 4 | 4 | 6 | 5 | 3 | -1 | 1 | -3 | -9 | -14 | -15 | -14 | -12 | -11 | -7 | -5 | -5 |
- 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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