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Cupsogue Surf Forecast
/ Long Island NY (34 breaks) / New York (44 breaks) /
Surf Forecasts:
Cupsogue surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 1 am Tuesday 21 Apr 2026 EDTForecast 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
8.4° C
(Which is slightly warmer than usual)How big are the waves at Cupsogue today?
The current surf forecast for Cupsogue at 6AM is: 0.2m 6s primary swell from a South direction and 0.1m 7s secondary swell from a Southeast direction (forecast issued at 01:00am April 21). An open ocean swell of 0.3m 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 (21 Apr) | 0.5ft (0.1m) | 7s |
| Afternoon (21 Apr) | 0.5ft (0.2m) | 5s |
| Evening (21 Apr) | 0.5ft (0.1m) | 9s |
Table - waves today at Cupsogue. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| 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 | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 6 | 7 | 9 | 5 | 5 | 9 | 3 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 5 | 5 | 6 | 6 | 6 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3 | 3 | 3 | 2 | 3 | 2 | 3 | 3 | 3 | 7 | 16 | 36 | 49 | 85 | 80 | 71 | 55 | 28 | 22 | 18 | 20 | 18 | 22 | 22 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross- on | cross- on | on | on | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 10:56PM 1.19 | 11:27AM 0.92 | 11:51PM 1.13 | 12:26PM 0.88 | 12:50AM 1.06 | 1:30PM 0.85 | ||||||||||||||||||
Low Tide / height (m) | 4:46AM -0.03 | 4:48PM 0.01 | 5:43AM 0.03 | 5:45PM 0.08 | 6:47AM 0.09 | 6:50PM 0.15 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:00 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:36 | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:37 | - |
 | | |  | |  |  |  |  | |  |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 6 | 4 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 7 | 8 | 8 | 7 | 7 | 7 | 8 | 12 | 16 | 16 | 14 |
| Feels °C (?) | -1 | -4 | -3 | -3 | 1 | 0 | -1 | -2 | -2 | -2 | -1 | -2 | -1 | 1 | 5 | 5 | 3 | 4 | 4 | 5 | 7 | 11 | 9 | 6 |
- 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 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.
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