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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 7 am Saturday 30 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
14.4° C
(Which is slightly warmer than usual)How big are the waves at Cupsogue today (30 May):
- Morning surf: Morning surf (30 May, local time) - 2.5ft (0.8m), 6s period with S swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 1.5ft (0.5m), 6s period with S swell.
- Evening surf: Evening surf (30 May, local time) - 0.5ft (0.2m), 6s period with S swell.
The current surf forecast for Cupsogue at 3PM is: 0.5m 6s primary swell from a South direction (forecast issued at 07:00am May 30). An open ocean swell of 0.2m 9s is not directed at the surf break, a second open ocean swell of 1.2m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 2.5ft (0.8m) | 6s |
| Afternoon (30 May) | 1.5ft (0.5m) | 6s |
| Evening (30 May) | 0.5ft (0.2m) | 6s |
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 Sun afternoon, min 6°C on Sat afternoon). Winds decreasing (near gales from the N on Sat afternoon, light winds from the WNW by Sun night). | ||||||||||||||||||||||||
Saturday 30 | Sunday 31 | Monday 1 | Tue 2 | |||||||||||||||||||||
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 | 11 PM | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 8 | S 9 | S 6 | S 6 | WSW 6 | S 6 | SW 3 | SSW 4 | SSW 4 | SSW 5 | SW 6 | SSW 6 | SSW 6 | S 5 | S 5 | SSW 5 | E 4 | E 5 | |
78 | 64 | 39 | 19 | 7 | 3 | 1 | 2 | 1 | 1 | 4 | 1 | 1 | 9 | 26 | 31 | 80 | 53 | 25 | 15 | 13 | 5 | 16 | 31 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross | cross | cross | cross | cross-off | off | off | cross-off | on | on | cross-on | cross | cross | |
High Tide | 7:32AM0.86m | 7:50PM1.09m | 8:14AM0.85m | 8:31PM1.09m | 8:57AM0.84m | 9:12PM1.07m | ||||||||||||||||||
Low Tide | 12:53PM0.12m | 1:54AM0.12m | 1:30PM0.12m | 2:25AM0.11m | 2:09PM0.11m | |||||||||||||||||||
 |  |  | | |  |  | | | | | | | |  | |  | | | | | | | | |
 | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | 5:20 |
 | — | — | — | — | — | 8:14 | — | — | — | — | — | — | — | 8:14 | — | — | — | — | — | — | — | 8:15 | — | 8:15 |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 10 | 7 | 6 | 9 | 10 | 10 | 10 | 10 | 11 | 16 | 18 | 17 | 16 | 15 | 16 | 15 | 16 | 16 | 17 | 15 | 15 | 13 | 12 |
5 | 1 | -4 | -6 | -2 | 2 | 4 | 5 | 6 | 6 | 12 | 13 | 11 | 11 | 10 | 14 | 13 | 13 | 14 | 14 | 11 | 10 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | ENE 9 | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 9 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | S 5 | E 9 | SSW 5 | ESE 9 | ESE 9 |
 kJ | 78 | 64 | 39 | 19 | 7 | 3 | 158 | 262 | 284 | 198 | 170 | 170 | 131 | 94 | 81 | 31 | 36 | 25 | 25 | 15 | 39 | 5 | 26 | 26 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 10 | E 10 | E 9 | ESE 11 | ESE 11 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 7 | — | E 9 | E 9 | E 9 | E 9 | E 9 | S 5 | SE 9 | SSW 5 | SSW 5 |
| kJ | 6 | 7 | 7 | 7 | 12 | 12 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | 60 | 60 | 59 | 41 | 40 | 13 | 3 | 5 | 4 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 10 | ENE 8 | SE 12 | W 5 | S 8 | S 8 | S 9 | — | — | — | — | — | — | — | — | — | — | S 9 | SE 9 | SE 9 | E 13 | — | — |
| kJ | 8 | 7 | 6 | 6 | 1 | 1 | 1 | 2 | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 3 | 3 | — | — |
Wind waves Height (m) Direction Period (s) | NW 2 | NW 3 | NNW 3 | NNE 4 | NNE 5 | NE 6 | ENE 9 | — | — | NW 2 | WSW 6 | WSW 2 | SW 3 | SSW 4 | SSW 4 | WSW 5 | SW 6 | SSW 6 | — | — | — | ESE 9 | E 4 | E 5 |
| kJ | 1 | 4 | 13 | 61 | 74 | 80 | 316 | — | — | 1 | 4 | 1 | 1 | 9 | 26 | 23 | 80 | 53 | — | — | — | 59 | 16 | 31 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 140 | 225 | 216 | 876 | 876 | 1168 | 97 | 39 | 4 | 15 | 4 | 77 | 226 | 121 | 78 | 4 | 0 | 0 | 4 | 117 | 121 | 225 | 225 | 225 |
Best forecast wave conditions in Long Island New York | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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