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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 pm Saturday 18 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
6.8° C
(Which is normal for this time of year)How big are the waves at Cupsogue today?
The current surf forecast for Cupsogue at 7PM is: 0.4m 6s primary swell from a South direction and 0.3m 7s secondary swell from a Southeast direction, 0.5m 4s secondary swell from a East direction (forecast issued at 01:00pm April 18). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 2ft (0.6m) | 7s |
| Afternoon (18 Apr) | 1.5ft (0.5m) | 6s |
| Evening (18 Apr) | 1.5ft (0.4m) | 6s |
Table - waves today at Cupsogue. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 6 | 6 | 5 | 7 | 6 | 6 | 5 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 7 | 6 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 30 | 19 | 19 | 11 | 11 | 7 | 16 | 15 | 36 | 71 | 61 | 39 | 28 | 20 | 11 | 13 | 24 | 24 | 15 | 8 | 8 | 5 | 4 | 2 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | on | on | cross- on | on | on | cross- off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | off | cross- off | off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 8:51AM 1.03 | 9:14PM 1.24 | 9:41AM 1.01 | 10:03PM 1.23 | 10:32AM 0.97 | 10:56PM 1.19 | ||||||||||||||||||
Low Tide / height (m) | 2:23PM -0.12 | 3:05AM -0.11 | 3:09PM -0.10 | 3:54AM -0.09 | 3:57PM -0.06 | 4:46AM -0.03 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:03 |
| Sunset | - | - | 7:32 | - | - | - | - | - | - | - | 7:34 | - | - | - | - | - | - | - | 7:35 | - | - | - | - | - |
 | |  |  |  | | | | |  | | |  | | | | |  | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 2 | 2 | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - |
| Temp. °C | 10 | 10 | 9 | 7 | 8 | 9 | 10 | 10 | 12 | 9 | 7 | 8 | 8 | 7 | 7 | 8 | 7 | 6 | 8 | 7 | 5 | 4 | 3 | 4 |
| Feels °C (?) | 6 | 7 | 5 | 3 | 4 | 6 | 7 | 6 | 8 | 2 | 0 | 4 | 3 | 3 | 3 | 4 | 2 | 1 | 2 | -1 | -3 | -3 | -4 | -3 |
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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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