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Surf Forecasts:
Coastguards surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 7 pm Thursday 30 Apr 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
9.9° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Coastguards today?
The current surf forecast for Coastguards at 10PM is: 1.1m 10s primary swell from a East-southeast direction and 0.2m 4s secondary swell from a South direction, 0.2m 4s secondary swell from a West-southwest direction (forecast issued at 07:00pm April 30). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | - | - |
| Afternoon (30 Apr) | 3.5ft (1.1m) | 10s |
| Evening (30 Apr) | 3.5ft (1.1m) | 10s |
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 Sat night. Very mild (max 14°C on Sun afternoon, min 7°C on Sat night). Winds increasing (calm on Sat night, fresh winds from the WNW by Sun afternoon). | ||||||||||||||||||||||||
Thu 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||||||||
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 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 | ESE 9 | |
240 | 240 | 235 | 240 | 197 | 197 | 156 | 144 | 113 | 110 | 84 | 82 | 82 | 80 | 79 | 77 | 54 | 54 | 55 | 56 | 56 | 57 | 62 | 108 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross | cross-on | on | on | on | on | cross-on | cross-on | cross | cross-on | on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross | |
High Tide | 7:26PM1.52m | 7:44AM1.27m | 8:02PM1.51m | 8:23AM1.24m | 8:38PM1.49m | 9:02AM1.19m | ||||||||||||||||||
Low Tide | 1:40AM0.00m | 1:43PM0.06m | 2:21AM0.00m | 2:21PM0.09m | 3:01AM0.02m | |||||||||||||||||||
 |  |  | | |  | | | |  | | | |  | | | |  | | |  | | | | |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — |
 | 7:46 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:49 | — | — | — | — | — | — | 7:50 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 1 | — | — | — | |
Temp °C | 12 | 13 | 12 | 10 | 9 | 8 | 11 | 13 | 13 | 12 | 11 | 11 | 10 | 10 | 11 | 12 | 11 | 9 | 8 | 8 | 7 | 7 | 10 | 13 |
10 | 11 | 7 | 5 | 4 | 2 | 6 | 8 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 7 | 4 | 2 | 1 | 0 | 3 | 5 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SSW 5 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 | ESE 9 |
 kJ | 240 | 240 | 235 | 240 | 197 | 197 | 156 | 144 | 113 | 110 | 84 | 82 | 25 | 80 | 79 | 77 | 54 | 54 | 55 | 56 | 56 | 57 | 62 | 108 |
Swell 2 Height (m) Direction Period (s) | S 7 | S 4 | — | SW 4 | — | — | — | — | — | — | — | — | ESE 9 | S 7 | SSW 4 | S 7 | SSW 4 | S 4 | S 4 | S 4 | S 4 | NNE 4 | SSE 10 | SSE 8 |
| kJ | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | 82 | 1 | 11 | 1 | 6 | 3 | 3 | 1 | 1 | 1 | 19 | 22 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 7 | S 7 | S 7 | S 7 | S 6 | S 6 | S 6 | NE 4 | SSE 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 33 |
Wind waves Height (m) Direction Period (s) | — | — | WSW 4 | W 4 | NW 3 | WNW 3 | WNW 3 | W 3 | SSW 3 | SSW 4 | SSW 4 | SW 5 | — | SSW 5 | S 4 | SSW 4 | — | — | — | NW 2 | N 3 | NW 3 | WNW 4 | W 4 |
| kJ | — | — | 2 | 1 | 2 | 4 | 4 | 3 | 10 | 19 | 35 | 51 | — | 17 | 10 | 6 | — | — | — | 1 | 5 | 6 | 16 | 15 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 21 | 6 | 6 | 0 | 0 | 2 | 40 | 202 | 276 | 62 | 21 | 40 | 62 | 21 | 196 | 275 | 0 | 0 | 2 | 2 | 40 |
Best forecast wave conditions in Long Island New York | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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