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Coastguards surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 7 pm 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 2AM is: 0.7m 7s primary swell from a East-southeast direction and 0.4m 6s secondary swell from a South-southwest direction (forecast issued at 07:00pm May 11). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| 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 13mm), heaviest on Thu morning. Very mild (max 15°C on Tue afternoon, min 9°C on Mon night). Winds decreasing (strong winds from the S on Wed afternoon, light winds from the W by Thu afternoon). | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 | SE 7 | ESE 7 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 5 | S 5 | |
76 | 76 | 56 | 48 | 30 | 35 | 56 | 49 | 47 | 32 | 28 | 44 | 40 | 47 | 91 | 190 | 298 | 243 | 207 | 160 | 144 | 101 | 65 | 33 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | cross | cross-off | cross-off | cross-off | cross-off | cross-on | on | on | on | on | on | on | on | cross-on | on | on | on | on | cross-on | cross-on | on | cross | |
High Tide | 3:21PM1.21m | 3:38AM1.22m | 4:16PM1.32m | 4:39AM1.25m | 5:10PM1.45m | 5:36AM1.29m | ||||||||||||||||||
Low Tide | 9:46PM0.27m | 10:02AM0.11m | 10:42PM0.17m | 10:50AM0.04m | 11:36PM0.06m | 11:38AM-0.02m | ||||||||||||||||||
 |  |  | | |  | | | |  | |  | | | | | | | |  | |  | |  | |
 | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — |
 | 7:59 | — | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | 8:01 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 4 | 2 | 1 | |
Temp °C | 14 | 13 | 12 | 10 | 9 | 9 | 12 | 14 | 15 | 12 | 11 | 11 | 11 | 12 | 12 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 13 | 14 |
10 | 8 | 8 | 6 | 4 | 3 | 7 | 10 | 10 | 6 | 5 | 6 | 6 | 5 | 4 | 6 | 6 | 7 | 8 | 8 | 10 | 9 | 12 | 13 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | SE 7 | ESE 7 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | E 7 | ESE 10 | ESE 10 | ESE 10 | ESE 5 |
 kJ | 76 | 76 | 56 | 48 | 30 | 35 | 56 | 49 | 47 | 32 | 28 | 18 | 17 | 16 | 16 | 9 | 10 | 9 | 9 | 8 | 10 | 10 | 10 | 9 |
Swell 2 Height (m) Direction Period (s) | S 7 | S 7 | S 6 | SSW 6 | SE 7 | SE 7 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 10 | ESE 10 | E 7 | E 7 | E 7 | ESE 10 |
| kJ | 14 | 14 | 7 | 12 | 18 | 17 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 10 | 10 | 4 | 4 | 4 | 10 |
Swell 3 Height (m) Direction Period (s) | SE 12 | ESE 12 | SE 11 | SE 11 | S 6 | SE 11 | S 6 | NNW 3 | — | — | — | — | E 13 | — | SE 13 | — | — | — | — | — | — | — | E 10 | E 7 |
| kJ | 6 | 14 | 20 | 19 | 7 | 18 | 3 | 1 | — | — | — | — | 3 | — | 7 | — | — | — | — | — | — | — | 2 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | SW 3 | N 3 | NNW 3 | NNW 3 | NNW 3 | — | SSW 3 | SSW 3 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 5 | S 5 |
| kJ | — | — | 3 | 2 | 3 | 3 | 2 | — | 3 | 10 | 25 | 44 | 40 | 47 | 91 | 190 | 298 | 243 | 207 | 160 | 144 | 101 | 65 | 33 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 125 | 40 | 2 | 0 | 6 | 2 | 0 | 40 | 283 | 321 | 319 | 315 | 315 | 315 | 321 | 961 | 1162 | 961 | 255 | 477 | 197 | 60 | 21 | 6 |
Best forecast wave conditions in Long Island New York | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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