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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 Sunday 31 May 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
14.1° C
(Which is normal for this time of year)How big are the waves at Cupsogue today (31 May):
- Morning surf: Morning surf (31 May, local time) - 0.5ft (0.2m), 6s period with SSW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 0.5ft (0.1m), 6s period with S swell.
- Evening surf: Evening surf (31 May, local time) - 2.5ft (0.7m), 4s period with SSW swell.
The current surf forecast for Cupsogue at 10PM is: 0.6m 5s primary swell from a South-southwest direction (forecast issued at 01:00pm May 31). An open ocean swell of 0.7m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 0.5ft (0.2m) | 6s |
| Afternoon (31 May) | 0.5ft (0.1m) | 6s |
| Evening (31 May) | 2.5ft (0.7m) | 4s |
Table - waves today at Cupsogue. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Mon afternoon, min 11°C on Mon night). Winds decreasing (fresh winds from the NE on Mon afternoon, calm by Tue morning). | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 6 | S 6 | SSW 3 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | S 5 | S 6 | S 6 | SSW 5 | E 5 | E 5 | E 6 | SSW 5 | ENE 5 | S 6 | S 6 | S 6 | S 6 | SSE 8 | SSE 8 | SSE 7 | SSE 8 | |
4 | 1 | 8 | 16 | 20 | 23 | 37 | 15 | 16 | 15 | 9 | 35 | 56 | 78 | 3 | 39 | 3 | 3 | 7 | 3 | 13 | 11 | 5 | 6 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross | cross | cross | cross | cross-off | off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | |
High Tide | 8:14AM0.85m | 8:31PM1.09m | 8:57AM0.84m | 9:12PM1.07m | 9:40AM0.84m | 9:54PM1.05m | ||||||||||||||||||
Low Tide | 1:30PM0.12m | 2:25AM0.11m | 2:09PM0.11m | 2:59AM0.10m | 2:49PM0.12m | 3:35AM0.10m | ||||||||||||||||||
 |  |  | |  |  | | | | | | |  | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — |
 | — | — | — | 8:14 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:15 | — | — | — | 8:16 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 17 | 16 | 16 | 15 | 14 | 14 | 15 | 16 | 18 | 14 | 12 | 12 | 11 | 11 | 12 | 16 | 15 | 15 | 14 | 14 | 15 | 14 | 14 |
13 | 11 | 10 | 13 | 12 | 13 | 12 | 12 | 11 | 13 | 7 | 6 | 8 | 7 | 8 | 9 | 14 | 11 | 11 | 11 | 11 | 13 | 12 | 11 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | SSW 5 | E 9 | E 9 | E 9 | E 9 | SSW 5 | ESE 9 | ESE 9 | E 6 | E 6 | E 5 | E 5 | E 5 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
 kJ | 173 | 180 | 136 | 102 | 90 | 23 | 59 | 57 | 40 | 40 | 9 | 25 | 25 | 50 | 39 | 20 | 14 | 13 | 64 | 50 | 49 | 49 | 28 | 29 |
Swell 2 Height (m) Direction Period (s) | SSW 6 | S 6 | S 7 | S 7 | SSW 5 | E 9 | S 6 | S 5 | S 6 | S 6 | — | SSW 5 | SSW 5 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | S 6 | S 6 | SSE 8 | SSE 8 | SSE 7 | SSE 8 |
| kJ | 4 | 1 | 1 | 1 | 20 | 61 | 22 | 15 | 16 | 15 | — | 5 | 5 | 26 | 26 | 26 | 26 | 28 | 7 | 3 | 13 | 11 | 5 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | S 9 | ENE 2 | — | — | — | — | — | — | — | SSW 5 | SSW 5 | S 5 | S 6 | S 6 | SE 9 | SE 8 | S 6 | S 6 | — | — |
| kJ | — | — | — | — | 2 | 1 | — | — | — | — | — | — | — | 3 | 3 | 2 | 3 | 3 | 3 | 3 | 1 | 1 | — | — |
Wind waves Height (m) Direction Period (s) | WNW 3 | WSW 3 | SSW 3 | SSW 4 | — | — | SSW 5 | — | — | ENE 2 | E 9 | E 5 | E 5 | E 6 | — | ENE 5 | — | — | — | S 2 | — | SSW 3 | — | — |
| kJ | 2 | 1 | 8 | 16 | — | — | 37 | — | — | 1 | 93 | 35 | 56 | 78 | — | 39 | — | — | — | 1 | — | 1 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 123 | 116 | 43 | 17 | 4 | 0 | 4 | 39 | 55 | 225 | 225 | 225 | 0 | 4 | 0 | 43 | 225 | 225 | 119 | 119 | 15 | 17 | 53 |
Best forecast wave conditions in Long Island New York | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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