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Coastguards surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 7 am Tuesday 12 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
12.0° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at Coastguards today?
The current surf forecast for Coastguards at 3PM is: 0.6m 8s primary swell from a East-southeast direction and 0.3m 11s secondary swell from a Southeast direction, 0.3m 6s secondary swell from a Southwest direction (forecast issued at 07:00am May 12). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 1.5ft (0.5m) | 8s |
| Afternoon (12 May) | 2ft (0.6m) | 8s |
| Evening (12 May) | 1.5ft (0.5m) | 8s |
Table - waves today at Coastguards. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Wed night. Very mild (max 17°C on Thu afternoon, min 9°C on Tue morning). Winds decreasing (strong winds from the S on Wed afternoon, light winds from the SW by Thu morning). | ||||||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | S 6 | S 6 | S 6 | S 6 | S 5 | SSE 5 | SSE 5 | SSE 6 | S 6 | S 6 | SE 8 | SSE 8 | |
30 | 35 | 56 | 49 | 47 | 32 | 31 | 54 | 50 | 91 | 167 | 240 | 314 | 217 | 114 | 72 | 58 | 62 | 51 | 55 | 41 | 55 | 45 | 123 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | on | cross-on | cross-on | cross | cross-off | cross-off | |
High Tide | 3:38AM1.22m | 4:16PM1.32m | 4:39AM1.25m | 5:10PM1.45m | 5:36AM1.29m | 6:00PM1.57m | ||||||||||||||||||
Low Tide | 10:02AM0.11m | 10:42PM0.17m | 10:50AM0.04m | 11:36PM0.06m | 11:38AM-0.02m | 00:29AM-0.04m | ||||||||||||||||||
 |  | | | | |  | |  |  | | |  | | |  | |  | |  | | | | | |
 | 5:39 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | 5:35 |
 | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:01 | — | 8:01 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 5 | 4 | 1 | 1 | — | — | — | — | |
Temp °C | 10 | 9 | 12 | 14 | 14 | 12 | 11 | 11 | 11 | 12 | 13 | 14 | 14 | 14 | 14 | 13 | 12 | 13 | 13 | 15 | 17 | 15 | 13 | 12 |
5 | 3 | 7 | 9 | 8 | 6 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 9 | 9 | 10 | 11 | 12 | 14 | 15 | 11 | 9 | 7 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | E 7 | E 7 | S 5 | ESE 10 | SSE 5 | SSE 6 | ESE 6 | ESE 6 | SE 8 | SSE 8 |
 kJ | 30 | 35 | 56 | 49 | 47 | 32 | 31 | 18 | 17 | 16 | 16 | 9 | 9 | 10 | 8 | 8 | 58 | 10 | 51 | 55 | 10 | 10 | 45 | 123 |
Swell 2 Height (m) Direction Period (s) | 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 | SE 10 | ESE 10 | ESE 10 | ESE 10 | E 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 6 | E 6 |
| kJ | 18 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 10 | 10 | 10 | 4 | 10 | 10 | 9 | 9 | 26 | 6 |
Swell 3 Height (m) Direction Period (s) | S 6 | SE 11 | S 6 | — | — | — | — | — | E 13 | — | SE 13 | — | — | — | — | — | E 7 | — | E 6 | E 7 | ESE 10 | SE 8 | ESE 6 | — |
| kJ | 7 | 18 | 3 | — | — | — | — | — | 3 | — | 7 | — | — | — | — | — | 4 | — | 7 | 3 | 9 | 10 | 12 | — |
Wind waves Height (m) Direction Period (s) | — | NNW 3 | NNW 3 | SW 6 | SSW 3 | SSW 4 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | S 6 | S 6 | S 6 | S 6 | — | SSE 5 | — | — | S 6 | S 6 | WNW 3 | WNW 3 |
| kJ | — | 2 | 2 | 5 | 5 | 10 | 24 | 54 | 50 | 91 | 167 | 240 | 314 | 217 | 114 | 72 | — | 62 | — | — | 41 | 55 | 6 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 6 | 2 | 0 | 283 | 283 | 921 | 319 | 315 | 315 | 321 | 858 | 961 | 1169 | 1120 | 131 | 73 | 289 | 65 | 21 | 6 | 65 | 21 | 6 | 6 |
Best forecast wave conditions in Long Island New York | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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