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Fortress Surf Forecast
/ Long Island NY (34 breaks) / New York (44 breaks) /
Surf Forecasts:
Fortress surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 1 pm Monday 20 Apr 2026 EDTForecast 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
6.8° C
(Which is normal for this time of year)How big are the waves at Fortress today?
The current surf forecast for Fortress at 9PM is: 0.3m 6s primary swell from a South-southwest direction and 0.1m 7s secondary swell from a Southeast direction (forecast issued at 01:00pm April 20). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 1.5ft (0.4m) | 7s |
| Afternoon (20 Apr) | 1.5ft (0.4m) | 7s |
| Evening (20 Apr) | 1ft (0.3m) | 6s |
Table - waves today at Fortress. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 7 | 7 | 6 | 4 | 4 | 4 | 5 | 8 | 7 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 6 | 5 | 5 | 5 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 22 | 22 | 14 | 9 | 4 | 3 | 12 | 16 | 10 | 9 | 5 | 4 | 6 | 7 | 12 | 20 | 35 | 53 | 72 | 65 | 37 | 31 | 25 | 22 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | on | cross | cross | cross- off | off |
High Tide / height (m) | 10:43AM 0.78 | 11:02PM 1.01 | 11:40AM 0.74 | 12:00AM 0.94 | 12:43PM 0.72 | 1:05AM 0.88 | ||||||||||||||||||
Low Tide / height (m) | 4:14PM -0.08 | 5:24AM -0.06 | 5:07PM -0.02 | 6:28AM -0.00 | 6:06PM 0.05 | 7:41AM 0.04 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:56 |
| Sunset | - | - | 7:31 | - | - | - | - | - | - | - | 7:32 | - | - | - | - | - | - | - | 7:34 | - | - | - | - | - |
 | |  |  |  | | | | | | |  | | | | |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | - | - | - | - | - |
| Temp. °C | 7 | 7 | 8 | 8 | 5 | 4 | 3 | 3 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 7 | 7 | 8 | 7 |
| Feels °C (?) | 3 | 4 | 4 | 0 | -3 | -4 | -5 | -4 | 0 | -1 | -2 | -3 | -3 | -3 | -1 | -2 | -2 | 0 | 1 | 4 | 4 | 3 | 4 | 3 |
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Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Fortress surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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