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Jetty Surf Forecast
/ Long Island NY (34 breaks) / New York (44 breaks) /
Surf Forecasts:
Jetty surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 1 am Thursday 21 May 2026 EDTForecast update in hr min s Forecast update imminent
Jetty surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Jetty sea temperature is
13.0° C
(Which is slightly warmer than usual)How big are the waves at Jetty today?
The current surf forecast for Jetty at 6AM is: 0.8m 6s primary swell from a South direction and 0.4m 9s secondary swell from a Southeast direction (forecast issued at 01:00am May 21). The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 2.5ft (0.7m) | 6s |
| Afternoon (21 May) | 1.5ft (0.4m) | 9s |
| Evening (21 May) | 3ft (0.9m) | 5s |
Table - waves today at Jetty. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Sat night. Very mild (max 16°C on Thu morning, min 9°C on Sat afternoon). Winds increasing (light winds from the SE on Thu night, fresh winds from the E by Sat night). | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
S 6 | S 6 | S 6 | SE 9 | SE 9 | SE 9 | E 5 | SE 9 | SE 9 | SE 9 | SE 9 | E 5 | ESE 5 | ESE 6 | SE 6 | SE 6 | SE 6 | SE 6 | ESE 7 | ESE 7 | ESE 7 | SE 7 | ESE 7 | SE 7 | |
63 | 50 | 38 | 27 | 28 | 27 | 42 | 26 | 27 | 27 | 20 | 15 | 61 | 93 | 112 | 88 | 88 | 80 | 76 | 93 | 120 | 131 | 154 | 227 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 11:36PM1.16m | 12:13PM0.94m | 00:33AM1.09m | 1:13PM0.92m | 1:33AM1.01m | 2:15PM0.92m | ||||||||||||||||||
Low Tide | 5:33AM0.02m | 5:35PM0.11m | 6:33AM0.07m | 6:41PM0.17m | 7:37AM0.11m | 7:56PM0.20m | ||||||||||||||||||
 | |  | | | | | | | |  | | | | | | | | | |  | | |  | |
 | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:06 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:07 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 2 | |
Temp °C | 18 | 16 | 16 | 15 | 13 | 12 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 10 |
13 | 12 | 11 | 9 | 9 | 10 | 11 | 10 | 10 | 9 | 8 | 7 | 7 | 7 | 6 | 6 | 7 | 7 | 6 | 5 | 5 | 4 | 3 | 4 | |
Swell 1 Height (m) Direction Period (s) | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | E 5 | E 5 | E 5 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 6 | SE 6 | SE 6 | SE 6 | ESE 7 | SE 13 | SE 13 | SE 13 | SE 13 | — |
 kJ | 63 | 50 | 38 | 27 | 27 | 27 | 18 | 20 | 20 | 27 | 20 | 13 | 13 | 4 | 112 | 88 | 88 | 80 | 76 | 7 | 7 | 7 | 7 | — |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | S 6 | S 6 | S 6 | S 6 | S 6 | SE 6 | SE 13 | SE 13 | SE 11 | SE 10 | SE 10 | SE 11 | SE 13 | — | — | SE 13 | SE 13 | — |
| kJ | 29 | 29 | 29 | 27 | 28 | 27 | 19 | 18 | 12 | 11 | 6 | 9 | 7 | 7 | 4 | 4 | 4 | 4 | 7 | — | — | 7 | 7 | — |
Swell 3 Height (m) Direction Period (s) | SE 15 | SE 15 | SE 14 | SE 14 | SE 14 | SE 14 | SE 9 | SE 9 | SE 9 | SE 14 | SSE 6 | S 6 | — | — | SE 13 | SE 13 | SE 13 | SE 13 | — | — | — | — | — | — |
| kJ | 8 | 8 | 8 | 8 | 8 | 8 | 27 | 26 | 27 | 7 | 3 | 7 | — | — | 7 | 7 | 7 | 7 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | NE 3 | NE 3 | E 5 | E 5 | — | — | E 5 | E 5 | E 5 | ESE 5 | ESE 6 | — | — | ENE 5 | ENE 5 | — | ESE 7 | ESE 7 | SE 7 | ESE 7 | SE 7 |
| kJ | — | — | — | 2 | 4 | 11 | 42 | — | — | 12 | 11 | 15 | 61 | 93 | — | — | 7 | 13 | — | 93 | 120 | 131 | 154 | 227 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 40 | 57 | 83 | 57 | 740 | 562 | 57 | 602 | 611 | 593 | 611 | 602 | 616 | 616 | 500 | 500 | 626 | 629 | 500 | 489 | 1008 | 453 |
Best forecast wave conditions in Long Island New York | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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