- Forecast
- Maps
- Live
- Weather State
- Spot Information
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 7 am Monday 11 May 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
8.8° C
(Which is 1.4°C colder than average for this time of year)How big are the waves at Fortress today?
The current surf forecast for Fortress at 11AM is: 0.9m 8s primary swell from a Southeast direction and 0.4m 7s secondary swell from a South direction, 0.6m 4s secondary swell from a Northeast direction (forecast issued at 07:00am May 11). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 3.5ft (1.0m) | 8s |
| Afternoon (11 May) | 3ft (0.9m) | 8s |
| Evening (11 May) | 2.5ft (0.8m) | 8s |
Table - waves today at Fortress. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Mon morning. Very mild (max 15°C on Tue afternoon, min 8°C on Mon morning). Winds increasing (light winds from the N on Mon morning, strong winds from the S by Wed night). | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | SE 10 | SE 10 | SE 10 | ESE 7 | ESE 7 | SSW 4 | S 5 | S 6 | S 6 | S 6 | S 7 | |
94 | 114 | 99 | 99 | 84 | 82 | 56 | 53 | 39 | 35 | 52 | 37 | 31 | 21 | 20 | 19 | 16 | 10 | 25 | 77 | 154 | 181 | 245 | 309 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-on | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 2:48AM0.67m | 3:41PM0.73m | 3:54AM0.68m | 4:39PM0.81m | 4:59AM0.71m | 5:33PM0.91m | ||||||||||||||||||
Low Tide | 9:18AM0.12m | 10:01PM0.18m | 10:11AM0.07m | 11:05PM0.10m | 11:02AM0.02m | 00:01AM0.02m | ||||||||||||||||||
 |  |  | | |  |  | |  |  | | | | | | | | | | | | | | | |
 | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | 5:31 |
 | — | — | — | — | 7:53 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — | — | — | 7:55 | — | — | 7:57 |
1 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 9 | 8 | 10 | 13 | 13 | 13 | 12 | 10 | 10 | 9 | 11 | 13 | 15 | 13 | 12 | 11 | 11 | 11 | 11 | 12 | 13 | 13 | 14 | 12 |
2 | 3 | 7 | 9 | 8 | 8 | 8 | 3 | 2 | 2 | 6 | 7 | 8 | 5 | 4 | 4 | 5 | 4 | 4 | 4 | 5 | 5 | 6 | 6 | |
Swell 1 Height (m) Direction Period (s) | SSE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 10 | ESE 10 |
 kJ | 73 | 114 | 99 | 99 | 84 | 82 | 56 | 53 | 39 | 35 | 52 | 37 | 31 | 21 | 20 | 19 | 16 | 9 | 9 | 9 | 9 | 4 | 10 | 10 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | SSW 7 | S 7 | S 7 | SE 12 | SE 15 | ESE 11 | SSW 6 | SE 7 | SE 7 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 10 | ESE 10 | ESE 10 | — | ESE 10 | ESE 10 | E 7 | E 7 |
| kJ | 94 | 15 | 14 | 15 | 5 | 8 | 11 | 15 | 19 | 11 | 17 | 17 | 17 | 17 | 17 | 16 | 10 | 10 | 10 | — | 10 | 10 | 4 | 1 |
Swell 3 Height (m) Direction Period (s) | E 8 | SE 12 | NE 3 | SE 12 | SE 14 | — | SE 14 | SE 11 | S 6 | SE 10 | S 6 | S 6 | — | — | — | — | — | SE 13 | SE 13 | — | — | — | — | — |
| kJ | 1 | 6 | 2 | 6 | 8 | — | 8 | 18 | 7 | 17 | 3 | 3 | — | — | — | — | — | 6 | 7 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 3 | NNE 3 | NE 4 | — | S 7 | S 7 | S 6 | SW 3 | NNW 3 | NNW 3 | N 3 | W 2 | SW 3 | SW 3 | SW 4 | SW 4 | SSW 4 | SSW 4 | SSW 4 | S 5 | S 6 | S 6 | S 6 | S 7 |
| kJ | 2 | 3 | 9 | — | 14 | 22 | 29 | 4 | 6 | 7 | 2 | 1 | 4 | 9 | 19 | 26 | 25 | 21 | 25 | 77 | 154 | 181 | 245 | 309 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 32 | 32 | 0 | 0 | 9 | 9 | 0 | 15 | 36 | 25 | 0 | 8 | 178 | 163 | 219 | 193 | 193 | 193 | 222 | 1664 | 1155 | 1117 | 582 | 38 |
Best forecast wave conditions in Long Island New York | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
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.
Nearest