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Coastguards surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 7 pm 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 3AM is: 1.1m 5s primary swell from a South-southwest direction and 0.4m 7s secondary swell from a East-southeast direction, 0.3m 10s secondary swell from a Southeast direction (forecast issued at 07:00pm May 12). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 4.5ft (1.3m) | 5s |
| Afternoon (13 May) | 6ft (1.9m) | 6s |
| Evening (13 May) | 5ft (1.6m) | 6s |
Table - waves today at Coastguards. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Wed night. Very mild (max 15°C on Wed afternoon, min 11°C on Tue night). Winds decreasing (strong winds from the S on Wed afternoon, light winds from the NNW by Fri afternoon). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 8 | ESE 8 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | S 6 | S 6 | S 5 | SSE 5 | SSE 5 | SSE 6 | SSE 6 | SSE 6 | S 7 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | |
47 | 32 | 34 | 50 | 42 | 75 | 148 | 275 | 374 | 256 | 137 | 72 | 54 | 45 | 39 | 45 | 59 | 85 | 57 | 191 | 239 | 306 | 382 | 345 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | on | cross-on | on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 4:16PM1.32m | 4:39AM1.25m | 5:10PM1.45m | 5:36AM1.29m | 6:00PM1.57m | 6:30AM1.34m | ||||||||||||||||||
Low Tide | 10:42PM0.17m | 10:50AM0.04m | 11:36PM0.06m | 11:38AM-0.02m | 00:29AM-0.04m | 12:28PM-0.06m | ||||||||||||||||||
 | |  | |  |  |  | | | | |  | |  | | |  | | | | | | | | |
 | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — |
 | — | 8:00 | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:01 | — | — | — | — | — | 8:01 |
— | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 1 | 1 | 2 | 1 | — | — | — | — | — | — | — | |
Temp °C | 14 | 12 | 11 | 11 | 11 | 12 | 13 | 15 | 15 | 14 | 14 | 13 | 12 | 13 | 13 | 13 | 15 | 15 | 13 | 12 | 11 | 11 | 12 | 14 |
8 | 6 | 5 | 6 | 6 | 5 | 6 | 7 | 7 | 7 | 10 | 11 | 10 | 11 | 11 | 12 | 13 | 12 | 10 | 8 | 7 | 7 | 7 | 11 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | E 7 | ESE 10 | SSE 5 | SSE 5 | SSE 6 | ESE 10 | SSE 6 | S 7 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 |
 kJ | 47 | 32 | 31 | 18 | 17 | 16 | 16 | 9 | 10 | 9 | 9 | 8 | 10 | 45 | 39 | 45 | 9 | 85 | 55 | 191 | 239 | 306 | 382 | 345 |
Swell 2 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 10 | ESE 10 | E 7 | ESE 10 | ESE 10 | ESE 10 | E 6 | ESE 10 | SE 8 | SW 4 | SW 5 | — | — | — |
| kJ | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 10 | 10 | 3 | 10 | 10 | 10 | 3 | 9 | 57 | 3 | 12 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | E 13 | — | SE 13 | SE 13 | — | — | — | — | — | E 7 | E 7 | E 7 | E 6 | SE 9 | E 6 | — | — | — | — | — |
| kJ | — | — | — | — | 3 | — | 7 | 7 | — | — | — | — | — | 4 | 4 | 3 | 3 | 23 | 6 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 3 | SSW 4 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | S 6 | S 6 | S 5 | — | SSW 5 | — | SSE 6 | S 6 | W 3 | WNW 3 | NW 3 | W 5 | W 3 | WSW 2 |
| kJ | 5 | 13 | 34 | 50 | 42 | 75 | 148 | 275 | 374 | 256 | 137 | 72 | 54 | — | 22 | — | 59 | 81 | 5 | 1 | 5 | 11 | 5 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 283 | 319 | 283 | 315 | 315 | 315 | 961 | 961 | 961 | 961 | 125 | 255 | 83 | 109 | 65 | 65 | 62 | 17 | 0 | 6 | 21 | 6 | 6 | 0 |
Best forecast wave conditions in Long Island New York | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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