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Surf Forecasts:
Coastguards surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 1 am Saturday 30 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
14.8° C
(Which is slightly warmer than usual)How big are the waves at Coastguards today (30 May):
- Morning surf: Morning surf (30 May, local time) - 2.5ft (0.8m), 6s period with S swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 1.5ft (0.5m), 6s period with S swell.
- Evening surf: Evening surf (30 May, local time) - 0.5ft (0.2m), 11s period with E swell.
The current surf forecast for Coastguards at 6AM is: 1.0m 6s primary swell from a South direction and 0.2m 8s secondary swell from a East direction (forecast issued at 01:00am May 30). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 2.5ft (0.8m) | 6s |
| Afternoon (30 May) | 1.5ft (0.5m) | 6s |
| Evening (30 May) | 0.5ft (0.2m) | 11s |
Table - waves today at Coastguards. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 20°C on Mon afternoon, min 9°C on Sat afternoon). Winds decreasing (strong winds from the NNW on Sat morning, light winds from the WSW by Sun night). | ||||||||||||||||||||||||
Saturday 30 | Sunday 31 | Monday 1 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SSW 6 | S 6 | S 6 | S 6 | S 6 | S 6 | E 11 | E 11 | S 6 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SW 5 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SSW 5 | |
135 | 78 | 49 | 27 | 18 | 12 | 10 | 9 | 3 | 347 | 288 | 200 | 162 | 159 | 121 | 87 | 72 | 61 | 61 | 60 | 41 | 39 | 99 | 5 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-on | on | on | cross-on | cross-on | cross-on | cross | cross-off | cross | cross-off | cross-off | cross-off | |
High Tide | 7:20AM1.18m | 7:35PM1.49m | 8:00AM1.17m | 8:12PM1.47m | 8:40AM1.16m | 8:49PM1.44m | ||||||||||||||||||
Low Tide | 1:16AM0.06m | 1:11PM0.14m | 1:58AM0.05m | 1:52PM0.16m | 2:39AM0.05m | 2:32PM0.18m | ||||||||||||||||||
 |  |  | | |  |  | | | | | | | | |  | | | | | | | | | |
 | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:16 | — |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 12 | 11 | 10 | 9 | 10 | 11 | 11 | 11 | 11 | 12 | 16 | 19 | 18 | 17 | 19 | 18 | 18 | 17 | 19 | 20 | 17 | 16 | 14 |
13 | 4 | 3 | 0 | -1 | 1 | 5 | 6 | 7 | 8 | 7 | 12 | 15 | 12 | 11 | 15 | 15 | 16 | 14 | 16 | 18 | 12 | 12 | 10 | |
Swell 1 Height (m) Direction Period (s) | E 8 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | E 11 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SSW 5 | E 9 | E 9 | SSW 5 | SSW 5 | S 5 | SSW 5 | SSW 5 |
 kJ | 1 | 78 | 49 | 27 | 18 | 12 | 7 | 9 | 288 | 347 | 288 | 200 | 162 | 159 | 121 | 87 | 55 | 61 | 61 | 28 | 20 | 13 | 8 | 5 |
Swell 2 Height (m) Direction Period (s) | SE 9 | E 8 | E 8 | E 10 | E 10 | E 11 | E 11 | S 6 | S 6 | S 6 | S 6 | SW 6 | — | S 7 | — | S 9 | E 9 | S 9 | — | E 9 | E 9 | E 9 | SE 9 | SE 9 |
| kJ | 3 | 1 | 5 | 8 | 7 | 9 | 10 | 3 | 3 | 3 | 3 | 1 | — | 1 | — | 2 | 60 | 2 | — | 60 | 41 | 39 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | E 10 | E 10 | SE 9 | SE 9 | WNW 5 | SE 9 | SE 8 | S 8 | S 9 | — | S 9 | — | — | — | — | — | — | — | S 9 | S 9 | S 9 | — | — |
| kJ | — | 2 | 2 | 3 | 3 | 2 | 3 | 3 | 1 | 1 | — | 2 | — | — | — | — | — | — | — | 2 | 2 | 2 | — | — |
Wind waves Height (m) Direction Period (s) | SSW 6 | NW 4 | NW 4 | NW 4 | N 4 | NNE 5 | NE 5 | NE 7 | — | — | — | — | SW 2 | SSW 3 | SSW 4 | SSW 5 | SW 5 | SSW 5 | SSW 5 | SW 5 | — | — | E 9 | E 4 |
| kJ | 135 | 12 | 35 | 39 | 55 | 116 | 87 | 107 | — | — | — | — | 1 | 10 | 34 | 50 | 72 | 40 | 42 | 38 | — | — | 99 | 46 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 70 | 275 | 279 | 803 | 929 | 779 | 803 | 25 | 2 | 0 | 6 | 0 | 131 | 192 | 275 | 21 | 6 | 21 | 6 | 0 | 174 | 276 | 276 | 276 |
Best forecast wave conditions in Long Island New York | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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