Surf Forecasts:
How big are the waves at Chuns and Jocks Reefs today (21 Sep):
- Afternoon surf: Afternoon surf (21 Sep, local time) - 1ft (0.3m), 14s period with SW swell.
- Evening surf: Evening surf (21 Sep, local time) - 1ft (0.3m), 14s period with SW swell.
The current surf forecast for Chuns and Jocks Reefs at 11PM is: 0.3m 14s primary swell from a North direction and 0.3m 14s secondary swell from a Southwest direction (forecast issued at 07:00pm September 21). An open ocean swell of 1.8m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | - | - |
| Afternoon (21 Sep) | 1ft (0.3m) | 14s |
| Evening (21 Sep) | 1ft (0.3m) | 14s |
Table - waves today at Chuns and Jocks Reefs. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Tue afternoon, min 25°C on Wed night). Mainly fresh winds. | |||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||||
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) | SW 14 | SW 14 | SW 14 | N 13 | N 13 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 30 | 29 | 36 | 55 | 123 | 155 | 189 | 183 | 164 | 161 | 158 | 153 | 110 | 118 | 116 | 104 | 102 | 100 | 75 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 00:28AM0.23m | 12:39PM0.49m | 1:01AM0.28m | 1:11PM0.49m | |||||||||||||||
Low Tide | 6:12PM0.09m | 4:35AM0.09m | 6:31PM0.07m | 5:22AM0.08m | 6:49PM0.06m | ||||||||||||||
 |  | | |  |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | 6:29 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:27 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 26 |
Feels °C | 26 | 26 | 27 | 27 | 28 | 27 | 28 | 29 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 25 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | N 13 | N 13 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 |
| kJ | 30 | 29 | 29 | 55 | 123 | 155 | 189 | 183 | 164 | 161 | 158 | 153 | 110 | 118 | 116 | 104 | 102 | 100 | 75 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 13 | N 14 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 13 | W 12 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 |
| kJ | 14 | 14 | 36 | 45 | 45 | 34 | 17 | 17 | 11 | 28 | 28 | 29 | 30 | 47 | 46 | 73 | 65 | 63 | 63 |
Swell 3 Height (m) Direction Period (s) | NNW 10 | NNW 12 | S 13 | W 11 | W 10 | W 13 | S 13 | W 12 | SSW 13 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | N 12 |
| kJ | 9 | 13 | 14 | 9 | 8 | 13 | 13 | 11 | 17 | 11 | 11 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 11 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 |
| kJ | 380 | 380 | 414 | 414 | 370 | 359 | 318 | 359 | 450 | 533 | 708 | 792 | 787 | 745 | 745 | 660 | 660 | 619 | 544 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 23 | 22 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 19 | 3 | 19 | 21 | 19 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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