Surf Forecasts:
How big are the waves at Jetty today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 3ft (0.9m), 5s period with ENE swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2.5ft (0.8m), 6s period with ENE swell.
- Evening surf: Evening surf (21 Aug, local time) - 3.5ft (1.0m), 6s period with E swell.
The current surf forecast for Jetty at 3AM is: 0.4m 8s primary swell from a Southeast direction and 0.2m 4s secondary swell from a South-southwest direction (forecast issued at 07:00pm August 20). 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 (21 Aug) | 3ft (0.9m) | 5s |
| Afternoon (21 Aug) | 2.5ft (0.8m) | 6s |
| Evening (21 Aug) | 3.5ft (1.0m) | 6s |
Table - waves today at Jetty. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 60mm), heaviest during Thu night. Warm (max 24°C on Thu night, min 18°C on Thu night). Mainly fresh winds. | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 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) | SE 7 | SE 9 | SE 8 | SE 8 | SE 8 | ENE 5 | SE 9 | ENE 5 | ENE 6 | E 6 | ENE 6 | ENE 6 | E 6 | E 6 | E 6 | ENE 6 | E 5 | SE 8 | SE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 12 | 12 | 18 | 18 | 11 | 34 | 12 | 42 | 56 | 69 | 69 | 77 | 36 | 35 | 23 | 31 | 15 | 16 | 14 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross |
High Tide | 2:13PM0.94m | 2:38AM0.76m | 3:12PM0.92m | 3:41AM0.74m | 4:11PM0.94m | ||||||||||||||
Low Tide | 7:48PM0.31m | 7:44AM0.26m | 8:52PM0.33m | 8:39AM0.28m | 10:06PM0.32m | ||||||||||||||
 |  |  | |  |  | | | |  |  |  | |  | |  | | | | |
 | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | 7:42 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:38 | — | — |
mm | — | 1 | 32 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | 3 | 5 | 2 | 2 |
Temp °C | 25 | 24 | 18 | 19 | 18 | 19 | 20 | 21 | 22 | 22 | 21 | 20 | 19 | 19 | 20 | 20 | 20 | 20 | 20 |
Feels °C | 26 | 26 | 13 | 16 | 14 | 16 | 17 | 19 | 21 | 22 | 20 | 20 | 19 | 18 | 20 | 20 | 20 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | SE 7 | ESE 6 | SE 8 | SE 8 | S 5 | S 5 | S 5 | SE 9 | S 6 | SSW 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 5 | SE 8 | SE 8 |
| kJ | 11 | 8 | 18 | 18 | 4 | 4 | 8 | 12 | 6 | 7 | 56 | 33 | 36 | 35 | 23 | 15 | 14 | 16 | 14 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | SSE 5 | SSW 4 | SE 8 | SE 9 | SE 9 | S 5 | SE 8 | SE 9 | SE 8 | SE 8 | SE 8 | SE 9 | SE 8 | ESE 8 | ESE 8 | E 5 | SE 13 |
| kJ | 12 | 12 | 3 | 2 | 11 | 12 | 12 | 2 | 11 | 12 | 11 | 18 | 11 | 12 | 17 | 12 | 6 | 5 | 7 |
Swell 3 Height (m) Direction Period (s) | S 5 | S 5 | S 3 | SSE 6 | S 15 | SE 15 | SE 15 | SSE 6 | SE 6 | SE 14 | SSW 6 | SSW 6 | SSW 5 | S 5 | S 5 | SE 13 | SE 13 | SE 13 | SE 9 |
| kJ | 2 | 2 | 1 | 3 | 4 | 9 | 8 | 3 | 1 | 8 | 3 | 3 | 3 | 2 | 2 | 7 | 7 | 7 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | NNE 2 | ENE 4 | ENE 4 | ENE 5 | ENE 5 | ENE 5 | ENE 6 | E 6 | ENE 6 | ENE 6 | ENE 6 | NNE 3 | — | ENE 6 | ENE 5 | ENE 5 | ENE 5 |
| kJ | — | — | 1 | 17 | 39 | 34 | 41 | 42 | 56 | 69 | 69 | 77 | 70 | 1 | — | 31 | 15 | 8 | 5 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1180 | 140 | 256 | 274 | 324 | 732 | 245 | 90 | 1106 | 732 | 58 | 0 | 42 | 598 | 584 | 264 | 229 | 179 | 250 |
Best forecast wave conditions in Long Island New York | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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