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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 Thursday 23 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
6.4° 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 9PM is: 0.6m 7s primary swell from a South direction and 0.4m 5s secondary swell from a Southeast direction (forecast issued at 01:00pm April 23). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | 2.5ft (0.7m) | 5s |
| Afternoon (23 Apr) | 1.5ft (0.5m) | 6s |
| Evening (23 Apr) | 2ft (0.6m) | 7s |
Table - waves today at Fortress. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 7mm), mostly falling on Fri morning. Very mild (max 17°C on Thu afternoon, min 5°C on Sat night). Winds decreasing (fresh winds from the W on Thu afternoon, light winds from the SW by Fri afternoon). | ||||||||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | Sun 26 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 5 | SE 6 | S 6 | S 7 | S 7 | S 7 | S 7 | S 7 | S 6 | SSW 6 | SSW 6 | S 6 | S 6 | SE 3 | S 6 | S 6 | E 4 | ESE 14 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | |
29 | 15 | 25 | 35 | 35 | 34 | 24 | 23 | 22 | 13 | 12 | 18 | 7 | 6 | 3 | 3 | 10 | 20 | 19 | 18 | 17 | 32 | 31 | 31 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | cross | cross | off | off | off | cross-off | cross-on | cross-on | on | on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-on | |
High Tide | 1:53PM0.71m | 2:18AM0.82m | 3:05PM0.72m | 3:32AM0.78m | 4:12PM0.76m | 4:38AM0.75m | ||||||||||||||||||
Low Tide | 7:20PM0.10m | 8:53AM0.05m | 8:50PM0.13m | 9:55AM0.05m | 10:11PM0.11m | |||||||||||||||||||
 |  | |  | | |  |  | | | |  | | |  |  | | | | | | | | | |
 | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — |
 | — | — | 7:35 | — | — | — | — | — | — | — | 7:36 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | 7:37 |
— | — | — | — | — | — | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | |
Temp °C | 10 | 16 | 17 | 16 | 12 | 10 | 7 | 6 | 8 | 9 | 9 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 |
5 | 10 | 10 | 9 | 7 | 5 | 3 | 0 | 3 | 6 | 4 | 0 | 1 | 2 | 0 | -1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | -1 | |
Swell 1 Height (m) Direction Period (s) | SE 5 | SE 6 | S 6 | S 7 | S 7 | S 7 | S 7 | S 7 | S 6 | SSW 6 | E 6 | E 6 | S 6 | S 6 | S 3 | S 6 | S 7 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | SSE 5 | ESE 12 | SSE 5 |
 kJ | 29 | 15 | 25 | 35 | 35 | 34 | 24 | 23 | 22 | 13 | 3 | 1 | 6 | 3 | 2 | 2 | 10 | 9 | 9 | 8 | 4 | 8 | 31 | 8 |
Swell 2 Height (m) Direction Period (s) | SW 6 | S 7 | ESE 6 | SE 5 | ESE 5 | ESE 5 | E 5 | E 5 | E 5 | E 6 | SE 7 | — | E 6 | E 8 | S 6 | S 3 | SE 15 | ESE 14 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | S 8 | ESE 12 |
| kJ | 8 | 15 | 12 | 7 | 5 | 2 | 4 | 2 | 2 | 3 | 2 | — | 1 | 1 | 3 | 1 | 8 | 20 | 19 | 18 | 17 | 32 | 1 | 31 |
Swell 3 Height (m) Direction Period (s) | ESE 8 | SSW 6 | ESE 7 | E 6 | E 6 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | — | SE 7 | SE 7 | SW 6 | S 8 | — | — | E 6 | E 9 | E 9 | E 8 | SSW 8 | S 8 |
| kJ | 13 | 6 | 5 | 3 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | — | 2 | 2 | 1 | 1 | — | — | 3 | 2 | 6 | 5 | 6 | 5 |
Wind waves Height (m) Direction Period (s) | — | W 2 | WNW 3 | NW 3 | NW 3 | N 3 | NNE 3 | — | — | — | SSW 6 | S 6 | SSE 3 | SE 3 | ESE 3 | ESE 3 | E 4 | ESE 4 | ESE 4 | ESE 4 | SE 4 | E 4 | SE 5 | E 3 |
| kJ | — | 1 | 2 | 4 | 5 | 1 | 2 | — | — | — | 12 | 18 | 7 | 6 | 2 | 3 | 9 | 10 | 13 | 11 | 8 | 2 | 23 | 8 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 51 | 48 | 20 | 51 | 15 | 15 | 15 | 675 | 675 | 668 | 668 | 668 | 668 | 668 | 675 | 1100 | 724 | 724 | 148 | 162 | 162 | 52 | 54 |
Best forecast wave conditions in Long Island New York | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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