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Coastguards surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 1 am Monday 11 May 2026 EDTForecast update in hr min s Forecast update imminent
Coastguards surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Coastguards sea temperature is
12.2° C
(Which is 1.7°C warmer than normal for this time of year)How big are the waves at Coastguards today?
The current surf forecast for Coastguards at 5AM is: 1.0m 8s primary swell from a Southeast direction and 0.3m 7s secondary swell from a South direction (forecast issued at 01:00am May 11). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 2.5ft (0.8m) | 8s |
| Afternoon (11 May) | 3ft (0.9m) | 8s |
| Evening (11 May) | 2.5ft (0.8m) | 8s |
Table - waves today at Coastguards. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 7mm), mostly falling on Wed night. Very mild (max 15°C on Tue afternoon, min 9°C on Tue morning). Winds increasing (calm on Mon afternoon, strong winds from the S by Wed afternoon). | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | ||||||||||||||||||||||
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 | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SSE 8 | SE 8 | SE 7 | SE 8 | SE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | SSW 4 | SSW 5 | SSW 5 | S 5 | S 6 | SSW 7 | SSW 7 | SSW 7 | |
150 | 110 | 65 | 104 | 88 | 93 | 76 | 70 | 48 | 30 | 35 | 56 | 49 | 47 | 32 | 31 | 31 | 40 | 50 | 73 | 241 | 529 | 488 | 691 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | glassy | cross-on | on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-on | on | on | on | on | on | on | cross-on | on | on | on | on | |
High Tide | 2:38AM1.20m | 3:21PM1.21m | 3:38AM1.22m | 4:16PM1.32m | 4:39AM1.25m | 5:10PM1.45m | ||||||||||||||||||
Low Tide | 9:12AM0.18m | 9:46PM0.27m | 10:02AM0.11m | 10:42PM0.17m | 10:50AM0.04m | |||||||||||||||||||
 |  |  | | | |  | | |  |  | | | |  | | | | | | |  | | | |
 | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:59 | — | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:00 | — |
— | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 | |
Temp °C | 12 | 9 | 10 | 11 | 13 | 13 | 12 | 12 | 10 | 10 | 9 | 12 | 14 | 15 | 13 | 12 | 11 | 11 | 12 | 12 | 14 | 14 | 14 | 13 |
6 | 3 | 5 | 6 | 11 | 9 | 8 | 8 | 4 | 5 | 3 | 7 | 10 | 10 | 7 | 6 | 5 | 6 | 7 | 4 | 6 | 6 | 7 | 5 | |
Swell 1 Height (m) Direction Period (s) | SSE 8 | SE 8 | SE 7 | SE 8 | SE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 10 |
 kJ | 150 | 110 | 65 | 104 | 88 | 93 | 76 | 70 | 48 | 30 | 35 | 56 | 49 | 47 | 32 | 31 | 27 | 17 | 17 | 16 | 16 | 17 | 10 | 10 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | S 7 | ESE 9 | S 7 | ENE 5 | SE 12 | S 7 | SE 11 | SSW 6 | SE 7 | SE 7 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 10 | E 7 |
| kJ | 14 | 8 | 55 | 15 | 8 | 6 | 14 | 20 | 13 | 18 | 16 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 26 | 16 | 10 | 4 |
Swell 3 Height (m) Direction Period (s) | SE 16 | E 9 | S 7 | SE 12 | S 7 | SE 15 | ESE 12 | SE 15 | SE 11 | S 6 | SE 11 | S 6 | S 6 | — | — | — | — | E 13 | — | SE 13 | — | — | — | — |
| kJ | 10 | 6 | 15 | 6 | 15 | 8 | 14 | 8 | 19 | 7 | 18 | 3 | 3 | — | — | — | — | 3 | — | 7 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 2 | N 3 | NE 4 | ENE 4 | — | S 7 | SSW 3 | SSW 6 | — | NNW 2 | NNW 2 | NNW 2 | — | SSW 2 | SSW 3 | SSW 4 | SSW 4 | SSW 5 | SSW 5 | S 5 | S 6 | SSW 7 | SSW 7 | SSW 7 |
| kJ | 1 | 7 | 10 | 12 | — | 22 | 3 | 13 | — | 1 | 1 | 1 | — | 1 | 5 | 11 | 31 | 40 | 50 | 73 | 241 | 529 | 488 | 691 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 131 | 131 | 6 | 2 | 6 | 2 | 0 | 6 | 255 | 321 | 283 | 315 | 315 | 315 | 315 | 1590 | 1590 | 1162 | 486 |
Best forecast wave conditions in Long Island New York | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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