Buy Less, Surf More This Black Friday
Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.
Surf Forecasts:
Fortress surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 6 pm Sunday 07 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
10.0° C
(Which is normal for this time of year)How big are the waves at Fortress today?
The current surf forecast for Fortress at 8PM is: 0.7m 8s primary swell from a East-southeast direction and 0.3m 7s secondary swell from a South direction (forecast issued at 06:00pm December 07). 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 (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Dec) | - | - |
| Afternoon (07 Dec) | 2.5ft (0.7m) | 9s |
| Evening (07 Dec) | 2ft (0.6m) | 8s |
Table - waves today at Fortress. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 4 | 8 | 4 | 9 | 9 | 9 | 8 | 8 | 4 | 9 | 6 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 67 | 62 | 54 | 38 | 26 | 22 | 13 | 13 | 13 | 19 | 12 | 7 | 8 | 8 | 7 | 14 | 7 | 40 | 8 | 331 | 258 | 196 | 186 | 384 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross |
High Tide / height (m) | 9:49PM 0.81 | 10:08AM 0.94 | 10:44PM 0.79 | 11:02AM 0.86 | 11:40PM 0.78 | 11:57AM 0.77 | ||||||||||||||||||
Low Tide / height (m) | 3:27PM -0.12 | 3:14AM -0.06 | 4:19PM -0.07 | 4:10AM -0.00 | 5:12PM -0.02 | 5:13AM 0.06 | ||||||||||||||||||
Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - | 7:01 | - |
| Sunset | 4:19 | - | - | - | - | - | - | - | 4:19 | - | - | - | - | - | - | - | 4:19 | - | - | - | - | - | - | - |
 |  | |  |  | |  | | | | | | | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 5 | 4 | 4 | 4 | 0 | -4 | -5 | -4 | -3 | -4 | -4 | -5 | -5 | -4 | -4 | -2 | 1 | 4 | 7 | 6 | 4 | 4 | 6 | 8 |
| Feels °C (?) | -1 | -4 | -5 | -6 | -11 | -15 | -16 | -14 | -13 | -13 | -12 | -13 | -12 | -9 | -9 | -9 | -7 | -7 | -5 | -6 | -6 | -5 | -2 | -1 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Previously used in our snow jackets for mountain conditions, PrimaLoft® technology is making its debut in the surf industry. The aim is to bring mountain-grade warmth to the waves.
Vancouver Island’s Day Of Days With Reed Platenius
Surf-Forecast recently helped the 21-year-old Canadian pro surfer and adventurer score some cold water perfection at home.
5 Reasons Why Costa Rica Is A Surfer (and Non Surfer) Paradise
With or without a surfboard, Costa Rica is a bucket list destination that has shown what a nation is capable of when nature is put first.
Read more
Discover more articles and updates in the Greenroom.
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