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:
Cupsogue surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 12 pm Friday 05 Dec 2025 ESTForecast update in hr min s Forecast update imminent
Cupsogue surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cupsogue sea temperature is
10.2° C
(Which is normal for this time of year)How big are the waves at Cupsogue today?
The current surf forecast for Cupsogue at 6PM is: 0.4m 10s primary swell from a Southeast direction and 0.1m 6s secondary swell from a South direction (forecast issued at 12:00pm December 05). The wind direction is predicted to be glassy.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Dec) | 1.5ft (0.4m) | 10s |
| Afternoon (05 Dec) | 1.5ft (0.4m) | 10s |
| Evening (05 Dec) | 1.5ft (0.4m) | 10s |
Table - waves today at Cupsogue. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 05 | Saturday 06 | Sunday 07 | Monday 08 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 6 | 6 | 6 | 4 | 5 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 35 | 34 | 34 | 34 | 33 | 33 | 32 | 32 | 32 | 31 | 53 | 28 | 47 | 45 | 53 | 54 | 57 | 8 | 7 | 3 | 3 | 11 | 13 | 5 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | glass | glass | on | cross- on | glass | cross- on | glass | off | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off |
High Tide / height (m) | 7:11AM 1.23 | 7:40PM 0.93 | 8:02AM 1.22 | 8:34PM 0.91 | 8:55AM 1.17 | 9:28PM 0.89 | ||||||||||||||||||
Low Tide / height (m) | 1:16PM -0.16 | 1:09AM -0.15 | 2:05PM -0.15 | 2:00AM -0.12 | 2:55PM -0.12 | 2:51AM -0.06 | ||||||||||||||||||
Friday 05 | Saturday 06 | Sunday 07 | Monday 08 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:22 | - | - | - | - | - | - | - | 4:22 | - | - | - | - | - | - | - | 4:22 | - | - | - | - | - |
 |  | |  | |  | | | | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | -6 | -2 | -1 | 0 | 2 | 3 | 3 | 3 | 4 | 2 | 3 | 4 | 3 | 3 | 3 | 2 | 2 | 4 | 4 | 5 | 6 | 5 | 3 | -3 |
| Feels °C (?) | -11 | -6 | -5 | -4 | -2 | -1 | 0 | -1 | 1 | -1 | -1 | -2 | -3 | -3 | -2 | -2 | -2 | -1 | -2 | -1 | -1 | -3 | -7 | -14 |
- 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 Cupsogue 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