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Surf Forecasts:
Coastguards surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 1 am Sunday 31 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
14.6° C
(Which is slightly warmer than usual)How big are the waves at Coastguards today (31 May):
- Morning surf: Morning surf (31 May, local time) - 3.5ft (1.1m), 10s period with E swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 3ft (0.9m), 10s period with E swell.
- Evening surf: Evening surf (31 May, local time) - 2.5ft (0.8m), 10s period with E swell.
The current surf forecast for Coastguards at 6AM is: 1.2m 10s primary swell from a East direction and 0.2m 6s secondary swell from a South direction (forecast issued at 01:00am May 31). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 3.5ft (1.1m) | 10s |
| Afternoon (31 May) | 3ft (0.9m) | 10s |
| Evening (31 May) | 2.5ft (0.8m) | 10s |
Table - waves today at Coastguards. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 19°C on Sun afternoon, min 11°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SSW 5 | SSW 5 | SSW 5 | E 9 | E 9 | E 8 | E 10 | ESE 5 | E 9 | E 9 | |
226 | 282 | 237 | 200 | 174 | 167 | 130 | 96 | 83 | 58 | 56 | 55 | 39 | 37 | 8 | 5 | 5 | 13 | 13 | 22 | 17 | 27 | 27 | 27 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross-on | on | on | cross-on | off | cross-off | glassy | cross | cross-off | cross-on | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross | cross-on | cross-on | cross-on | |
High Tide | 8:00AM1.17m | 8:12PM1.47m | 8:40AM1.16m | 8:49PM1.44m | 9:20AM1.13m | 9:26PM1.40m | ||||||||||||||||||
Low Tide | 1:58AM0.05m | 1:52PM0.16m | 2:39AM0.05m | 2:32PM0.18m | 3:18AM0.06m | 3:10PM0.21m | ||||||||||||||||||
 | |  | |  |  | |  | |  | | | | | | | | | | | | | | | |
 | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:16 | — | — | — | — | — | — | — | 8:17 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 12 | 16 | 19 | 17 | 19 | 17 | 15 | 15 | 15 | 17 | 19 | 17 | 15 | 12 | 12 | 11 | 12 | 15 | 17 | 15 | 14 | 14 |
9 | 7 | 8 | 12 | 14 | 12 | 16 | 14 | 13 | 14 | 14 | 14 | 16 | 12 | 10 | 7 | 9 | 7 | 8 | 11 | 13 | 11 | 11 | 12 | |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SSW 5 | SSW 5 | S 5 | E 9 | E 9 | E 9 | E 9 | SSW 5 | SSW 5 | SSW 5 | E 9 | E 9 | E 8 | E 8 | ESE 5 | ESE 5 | E 5 |
 kJ | 226 | 282 | 237 | 200 | 174 | 167 | 130 | 36 | 28 | 27 | 56 | 55 | 39 | 37 | 8 | 5 | 5 | 13 | 13 | 22 | 12 | 27 | 20 | 13 |
Swell 2 Height (m) Direction Period (s) | S 6 | S 6 | S 9 | S 6 | — | — | — | E 10 | E 9 | E 9 | S 5 | S 5 | S 5 | S 5 | SE 9 | SE 9 | SE 9 | SSW 5 | S 5 | S 6 | E 10 | ESE 10 | E 9 | E 9 |
| kJ | 3 | 3 | 2 | 3 | — | — | — | 96 | 83 | 58 | 20 | 14 | 20 | 13 | 3 | 3 | 3 | 3 | 2 | 3 | 17 | 18 | 27 | 27 |
Swell 3 Height (m) Direction Period (s) | S 8 | S 9 | S 9 | S 9 | — | — | — | S 9 | S 9 | S 9 | S 10 | — | SE 9 | SE 10 | E 13 | E 13 | E 13 | SE 9 | SE 9 | SE 9 | S 6 | E 8 | S 6 | SSE 8 |
| kJ | 1 | 1 | 2 | 2 | — | — | — | 2 | 2 | 2 | 2 | — | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 | 3 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | SW 6 | W 2 | SW 3 | SSW 4 | SSW 4 | SW 5 | — | ENE 3 | E 3 | — | — | SE 3 | E 4 | E 4 | E 5 | E 5 | E 5 | E 5 | E 5 | E 5 | — | — |
| kJ | — | — | 6 | 1 | 4 | 18 | 29 | 74 | — | 1 | 1 | — | — | 1 | 23 | 40 | 48 | 42 | 43 | 34 | 26 | 35 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 2 | 6 | 69 | 45 | 21 | 0 | 0 | 0 | 2 | 0 | 315 | 554 | 276 | 275 | 150 | 275 | 275 | 2 | 961 | 1605 | 275 | 92 |
Best forecast wave conditions in Long Island New York | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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