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Coastguards surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 7 pm Wednesday 13 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
12.1° C
(Which is 1.4°C warmer than normal for this time of year)How big are the waves at Coastguards today?
The current surf forecast for Coastguards at 1AM is: 1.5m 6s primary swell from a South direction and 0.2m 10s secondary swell from a East-southeast direction, 0.2m 10s secondary swell from a East-southeast direction (forecast issued at 07:00pm May 13). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 3.5ft (1.0m) | 6s |
| Afternoon (14 May) | 3ft (0.9m) | 6s |
| Evening (14 May) | 3ft (0.9m) | 7s |
Table - waves today at Coastguards. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 20mm), heaviest during Thu morning. Very mild (max 18°C on Sat afternoon, min 11°C on Thu night). Winds decreasing (fresh winds from the S on Wed night, calm by Thu morning). | ||||||||||||||||||||||||
Wed 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSW 6 | S 6 | S 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | E 10 | E 9 | E 9 | SE 8 | SSE 9 | |
248 | 187 | 138 | 149 | 97 | 80 | 67 | 60 | 51 | 62 | 79 | 105 | 142 | 216 | 296 | 290 | 149 | 144 | 144 | 120 | 81 | 83 | 72 | 70 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross-on | on | cross-on | cross | glassy | cross-on | cross-on | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-on | cross | off | cross-off | cross-on | on | cross-on | cross-on | on | |
High Tide | 5:10PM1.45m | 5:36AM1.29m | 6:00PM1.57m | 6:30AM1.34m | 6:49PM1.66m | 7:21AM1.37m | ||||||||||||||||||
Low Tide | 11:36PM0.06m | 11:38AM-0.02m | 00:29AM-0.04m | 12:28PM-0.06m | 1:22AM-0.12m | 1:19PM-0.08m | ||||||||||||||||||
 |  |  |  | |  |  | |  | |  | | | | |  | | | |  | | | | | |
 | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — |
 | — | 8:00 | — | — | — | — | — | — | — | 8:01 | — | — | — | — | — | — | — | 8:01 | — | — | — | — | — | 8:02 |
— | — | — | 1 | 3 | 2 | 10 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 15 | 14 | 12 | 12 | 11 | 11 | 12 | 15 | 16 | 16 | 13 | 13 | 13 | 13 | 17 | 18 |
8 | 8 | 9 | 11 | 11 | 12 | 14 | 12 | 13 | 10 | 9 | 10 | 8 | 8 | 9 | 12 | 13 | 14 | 11 | 11 | 11 | 10 | 13 | 14 | |
Swell 1 Height (m) Direction Period (s) | ESE 7 | ESE 7 | E 7 | ESE 10 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | E 10 | E 9 | E 9 | SE 8 | SSE 9 |
 kJ | 9 | 9 | 8 | 10 | 97 | 80 | 67 | 60 | 51 | 62 | 79 | 105 | 142 | 216 | 296 | 290 | 149 | 144 | 144 | 120 | 81 | 83 | 72 | 70 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | ESE 10 | — | ESE 10 | ESE 6 | ESE 6 | ESE 10 | E 6 | E 6 | E 6 | ESE 9 | SSE 11 | S 7 | SSE 9 | SSE 9 | SE 11 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | E 9 | E 9 |
| kJ | 16 | 16 | 10 | — | 10 | 8 | 4 | 10 | 18 | 19 | 17 | 8 | 12 | 70 | 110 | 108 | 110 | 79 | 92 | 87 | 71 | 49 | 60 | 55 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | E 7 | ESE 10 | ESE 10 | E 6 | ESE 10 | ESE 10 | SE 9 | SE 9 | ENE 6 | SSE 9 | WSW 5 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | S 8 | S 8 | S 8 | SE 9 | SE 8 |
| kJ | — | — | — | — | 8 | 10 | 10 | 3 | 9 | 9 | 14 | 14 | 7 | 78 | 8 | 90 | 54 | 54 | 39 | 35 | 34 | 34 | 22 | 3 |
Wind waves Height (m) Direction Period (s) | SSW 6 | S 6 | S 6 | S 6 | — | — | — | — | — | SSW 3 | WNW 3 | W 4 | WSW 5 | WSW 4 | W 4 | SW 4 | SW 3 | SW 3 | — | — | — | — | SW 3 | SSW 3 |
| kJ | 248 | 187 | 138 | 149 | — | — | — | — | — | 3 | 3 | 20 | 25 | 16 | 12 | 5 | 2 | 1 | — | — | — | — | 2 | 7 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 858 | 961 | 779 | 65 | 196 | 25 | 0 | 21 | 21 | 17 | 0 | 0 | 2 | 0 | 0 | 6 | 6 | 0 | 0 | 59 | 41 | 6 | 21 | 59 |
Best forecast wave conditions in Long Island New York | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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