Surf Forecasts:
How big are the waves at Jetty today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 3ft (0.9m), 5s period with S swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 4.5ft (1.4m), 6s period with SSE swell.
- Evening surf: Evening surf (21 Jul, local time) - 4.5ft (1.4m), 6s period with S swell.
The current surf forecast for Jetty at 6PM is: 1.4m 6s primary swell from a South direction and 0.1m 12s secondary swell from a South direction (forecast issued at 01:00pm July 21). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 3ft (0.9m) | 5s |
| Afternoon (21 Jul) | 4.5ft (1.4m) | 6s |
| Evening (21 Jul) | 4.5ft (1.4m) | 6s |
Table - waves today at Jetty. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Tue night. Warm (max 26°C on Wed afternoon, min 18°C on Wed night). Winds decreasing (fresh winds from the SSW on Tue night, light winds from the SW by Wed night). | |||||||||||||||||||||
Tue 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||
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 |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | S 5 | SSE 6 | S 6 | S 6 | S 7 | S 7 | S 8 | S 8 | S 8 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 64 | 135 | 146 | 161 | 222 | 188 | 323 | 496 | 617 | 493 | 699 | 529 | 335 | 343 | 279 | 230 | 153 | 157 | 161 | 82 | 78 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | on | cross | cross | cross | cross | cross | cross-off | cross | off | cross-off | cross-off | cross-off | cross-off | cross | on | on | cross-on |
High Tide | 2:00PM0.97m | 2:18AM0.83m | 2:55PM0.95m | 3:16AM0.78m | 3:51PM0.95m | ||||||||||||||||
Low Tide | 7:43PM0.25m | 7:42AM0.19m | 8:45PM0.29m | 8:30AM0.22m | 9:55PM0.30m | ||||||||||||||||
 |  | | |  |  | |  | | |  | |  |  | |  | | | | | | |
 | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — |
 | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:15 | — |
mm | — | 6 | 4 | 3 | 9 | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 23 | 25 | 26 | 26 | 21 | 20 | 18 | 18 | 20 | 22 | 22 | 21 | 21 |
Feels °C | 21 | 23 | 23 | 21 | 21 | 19 | 19 | 20 | 21 | 23 | 25 | 27 | 16 | 17 | 14 | 15 | 17 | 20 | 20 | 19 | 20 |
Swell 1 Height (m) Direction Period (s) | SE 12 | SE 12 | S 12 | SE 12 | S 7 | — | — | S 8 | S 8 | — | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 |
| kJ | 5 | 6 | 3 | 5 | 167 | — | — | 355 | 439 | — | 505 | 371 | 335 | 343 | 279 | 230 | 153 | 157 | 161 | 82 | 78 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SE 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 8 | SE 7 | SE 7 |
| kJ | — | — | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | 46 | 41 | 39 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 3 | SE 8 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 18 | — |
Wind waves Height (m) Direction Period (s) | S 5 | SSE 6 | S 6 | S 6 | S 7 | S 7 | S 8 | S 8 | S 8 | S 9 | S 9 | S 9 | — | — | N 2 | NNE 2 | NNE 3 | NE 4 | — | — | — |
| kJ | 64 | 135 | 146 | 161 | 222 | 188 | 323 | 496 | 617 | 493 | 699 | 529 | — | — | 1 | 1 | 1 | 3 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1170 | 1170 | 1170 | 142 | 246 | 324 | 97 | 518 | 118 | 118 | 4 | 16 | 40 | 40 | 58 | 58 | 14 | 14 | 97 | 73 | 97 |
Best forecast wave conditions in Long Island New York | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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