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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 Tuesday 02 Sep 2025 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
21.6° C
(Which is slightly warmer than usual)| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Sep) | 1.5ft (0.4m) | 8s |
| Afternoon (02 Sep) | - | - |
| Evening (02 Sep) | - | - |
Table - waves today at Cupsogue. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 02 | Wednesday 03 | Thursday 04 | Friday 05 | |||||||||||||||||||||
| 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) (?) | 8 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 9 | 9 | 9 | 3 | 3 | 4 | 5 | 5 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 4 | 6 | 6 | 12 | 40 | 70 | 115 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | on | on | glass | cross- off | cross | cross- on | on | cross- on | cross- on | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross |
High Tide / height (m) | 4:11PM 0.94 | 4:42AM 0.78 | 5:05PM 0.99 | 5:33AM 0.85 | 5:54PM 1.05 | 6:20AM 0.93 | ||||||||||||||||||
Low Tide / height (m) | 8:41AM 0.27 | 9:44PM 0.29 | 9:42AM 0.25 | 10:45PM 0.24 | 10:44AM 0.20 | 11:40PM 0.17 | ||||||||||||||||||
Tuesday 02 | Wednesday 03 | Thursday 04 | Friday 05 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:20 |
| Sunset | - | - | 7:22 | - | - | - | - | - | - | - | 7:20 | - | - | - | - | - | - | - | 7:17 | - | - | - | - | - |
 |  | |  |  | | | | | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 20 | 20 | 19 | 19 | 19 | 18 | 17 | 19 | 19 | 20 | 19 | 19 | 19 | 19 | 20 | 20 | 21 | 21 | 21 | 21 | 22 | 21 | 21 |
| Feels °C (?) | 17 | 18 | 18 | 18 | 18 | 20 | 18 | 16 | 18 | 17 | 19 | 17 | 17 | 18 | 19 | 20 | 18 | 19 | 19 | 18 | 18 | 19 | 21 | 21 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Long Island NY
The wind is still cross-on at Cupsogue (light winds from the E at Westhampton Beach/Francis S. Gabreski Airport 11 km from Cupsogue). No surfable waves
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2 h 16 min ago
17 km/h
E
Cross-On
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