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Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Cupsogue surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 12 am Monday 05 Jan 2026 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
4.4° C
(Which is 2.9°C colder than average for this time of year)How big are the waves at Cupsogue today?
The current surf forecast for Cupsogue at 6AM is: 0.1m 11s primary swell from a Southeast direction (forecast issued at 12:00am January 05). The wind direction is predicted to be cross-offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Jan) | 0.5ft (0.1m) | 8s |
| Afternoon (05 Jan) | 0.5ft (0.2m) | 8s |
| Evening (05 Jan) | 2.5ft (0.7m) | 4s |
Table - waves today at Cupsogue. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 05 | Tuesday 06 | Wednesday 07 | ||||||||||||||||||||||
| 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 | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 11 | 11 | 11 | 8 | 8 | 8 | 8 | 4 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4 | 5 | 5 | 5 | 1 | 5 | 5 | 5 | 21 | 25 | 66 | 41 | 42 | 32 | 23 | 23 | 24 | 30 | 38 | 64 | 103 | 265 | 224 | 190 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | cross- off | glass | cross | cross | cross | cross | cross- off | cross- off | off | glass | glass | on | cross- on | on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 8:18PM 0.90 | 8:37AM 1.11 | 9:09PM 0.91 | 9:27AM 1.05 | 9:58PM 0.90 | 10:15AM 0.98 | ||||||||||||||||||
Low Tide / height (m) | 1:50AM -0.13 | 2:40PM -0.16 | 2:39AM -0.10 | 3:22PM -0.14 | 3:27AM -0.05 | 4:04PM -0.09 | ||||||||||||||||||
Monday 05 | Tuesday 06 | Wednesday 07 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:15 | - | - | - | - | - | - | - | 7:15 | - | - | - | - | - | - | - | 7:15 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:37 | - | - | - | - | - | - | - | 4:37 | - | - | - | - | - | - | - | 4:38 | - |
 | | |  |  | | |  | | | | | | | | | | | | |  |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | -1 | -3 | -4 | -5 | -4 | -3 | 1 | 3 | 5 | 6 | 4 | 3 | 2 | 3 | 4 | 6 | 8 | 7 | 6 | 6 | 7 | 6 | 6 | 5 |
| Feels °C (?) | -9 | -10 | -10 | -9 | -8 | -8 | -5 | -4 | -2 | 1 | 0 | 0 | -1 | 1 | 1 | 2 | 5 | 4 | 2 | 1 | 0 | -3 | -3 | -3 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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