Surf Forecasts:
How big are the waves at Robert Moses State Park today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 3.5ft (1.0m), 5s period with S swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 5ft (1.6m), 6s period with SSE swell.
- Evening surf: Evening surf (21 Jul, local time) - 6.5ft (2.0m), 6s period with S swell.
The current surf forecast for Robert Moses State Park at 1AM is: 0.7m 7s primary swell from a South direction and 0.1m 8s secondary swell from a Southeast direction, 0.1m 12s secondary swell from a Southeast direction (forecast issued at 07:00pm July 20). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 3.5ft (1.0m) | 5s |
| Afternoon (21 Jul) | 5ft (1.6m) | 6s |
| Evening (21 Jul) | 6.5ft (2.0m) | 6s |
Table - waves today at Robert Moses State Park. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Tue afternoon. Warm (max 28°C on Wed afternoon, min 18°C on Thu morning). Winds decreasing (strong winds from the SW on Tue night, light winds from the W by Wed night). | |||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||
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 |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 7 | S 7 | S 5 | S 5 | SSE 6 | S 6 | S 6 | S 7 | S 7 | SSW 8 | S 8 | S 9 | S 8 | S 8 | S 8 | S 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 33 | 34 | 33 | 43 | 69 | 42 | 64 | 126 | 160 | 237 | 553 | 422 | 528 | 526 | 593 | 422 | 412 | 505 | 430 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross | cross-on | cross-off | cross-off | off |
High Tide | 1:09AM1.19m | 1:48PM1.34m | 1:59AM1.11m | 2:37PM1.31m | |||||||||||||||
Low Tide | 7:00PM0.24m | 7:16AM0.15m | 8:03PM0.28m | 8:09AM0.22m | 9:04PM0.30m | ||||||||||||||
 | |  | | |  | |  | |  |  |  | | | | | | | | |
 | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — |
 | — | 8:19 | — | — | — | — | — | — | — | 8:17 | — | — | — | — | — | — | — | 8:17 | — |
mm | — | — | — | — | — | — | — | 5 | 4 | 5 | 4 | — | 1 | 1 | — | — | — | — | — |
Temp °C | 23 | 22 | 23 | 22 | 22 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 25 | 27 | 28 | 28 | 23 |
Feels °C | 21 | 20 | 21 | 20 | 20 | 21 | 21 | 23 | 23 | 20 | 21 | 23 | 22 | 23 | 25 | 27 | 27 | 28 | 19 |
Swell 1 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | SE 8 | SE 8 | SE 12 | SSW 6 | — | SE 12 | SE 11 | — | — | — | — | — | — | — | S 8 | S 9 |
| kJ | 33 | 34 | 33 | 3 | 2 | 6 | 14 | — | 5 | 5 | — | — | — | — | — | — | — | 400 | 430 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 12 | SE 12 | — | SE 12 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 3 | 3 | 6 | 6 | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | 6 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | S 3 | S 7 | S 7 | S 5 | S 5 | SSE 6 | S 6 | S 6 | S 7 | S 7 | SSW 8 | S 8 | S 9 | S 8 | S 8 | S 8 | — |
| kJ | — | — | 1 | 43 | 69 | 42 | 64 | 126 | 160 | 237 | 553 | 422 | 528 | 526 | 593 | 422 | 412 | 505 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 632 | 785 | 917 | 793 | 917 | 1175 | 1189 | 1189 | 1189 | 1189 | 487 | 1277 | 328 | 149 | 64 | 26 | 0 | 0 | 0 |
Best forecast wave conditions in Long Island New York | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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