Surf Forecasts:
How big are the waves at Chuns and Jocks Reefs today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 1.5ft (0.4m), 9s period with N swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 1.5ft (0.4m), 8s period with N swell.
- Evening surf: Evening surf (31 Jul, local time) - 1.5ft (0.5m), 15s period with SW swell.
The current surf forecast for Chuns and Jocks Reefs at 8PM is: 0.5m 15s primary swell from a Southwest direction (forecast issued at 01:00pm July 31). An open ocean swell of 0.7m 15s is not directed at the surf break, a second open ocean swell of 2.2m 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 (31 Jul) | 1.5ft (0.4m) | 9s |
| Afternoon (31 Jul) | 1.5ft (0.4m) | 8s |
| Evening (31 Jul) | 1.5ft (0.5m) | 15s |
Table - waves today at Chuns and Jocks Reefs. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Fri afternoon, min 24°C on Sat night). Mainly fresh winds. | |||||||||||||||||||||
Fri 31 | Saturday 1 | Sunday 2 | |||||||||||||||||||
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) | N 8 | N 8 | SW 15 | SW 15 | SW 15 | N 8 | N 8 | N 8 | ENE 8 | N 11 | N 11 | N 10 | N 10 | N 10 | N 10 | N 9 | N 9 | N 9 | N 9 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 22 | 21 | 84 | 110 | 107 | 11 | 10 | 5 | 0 | 10 | 9 | 8 | 17 | 17 | 16 | 27 | 14 | 24 | 13 | 27 | 26 |
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 | cross-off | cross-off |
High Tide | 4:22PM0.52m | 4:52AM0.27m | 4:50PM0.48m | 5:45AM0.30m | 5:19PM0.42m | ||||||||||||||||
Low Tide | 8:18AM0.05m | 10:17PM0.05m | 9:03AM0.09m | 10:42PM0.04m | 9:57AM0.13m | ||||||||||||||||
 | | |  |  | | | |  | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | 7:12 | — | — | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:10 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 24 | 25 | 24 | 25 | 26 | 26 | 25 | 25 | 25 |
Feels °C | 26 | 25 | 25 | 24 | 23 | 23 | 23 | 22 | 23 | 23 | 23 | 23 | 21 | 22 | 22 | 23 | 24 | 23 | 23 | 23 | 24 |
Swell 1 Height (m) Direction Period (s) | E 15 | E 15 | E 16 | E 15 | E 15 | E 15 | E 14 | E 15 | E 15 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 |
| kJ | 157 | 225 | 301 | 222 | 216 | 205 | 202 | 267 | 267 | 202 | 196 | 260 | 260 | 196 | 188 | 191 | 191 | 186 | 186 | 127 | 121 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | N 9 | N 9 | N 9 | N 9 | N 8 | N 8 |
| kJ | 65 | 64 | 84 | 110 | 107 | 56 | 55 | 54 | 50 | 47 | 47 | 47 | 47 | 47 | 49 | 27 | 14 | 24 | 13 | 13 | 12 |
Swell 3 Height (m) Direction Period (s) | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | S 11 | N 11 | N 11 | N 10 | N 10 | N 10 | N 10 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 22 | 21 | 12 | 12 | 11 | 11 | 10 | 5 | 3 | 10 | 9 | 8 | 17 | 17 | 16 | 50 | 50 | 46 | 44 | 27 | 26 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 341 | 371 | 458 | 544 | 663 | 756 | 804 | 825 | 850 | 933 | 889 | 908 | 931 | 931 | 885 | 840 | 758 | 699 | 722 | 688 | 688 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 19 | 19 | 19 | 19 | 166 | 19 | 22 | 21 | 173 | 170 | 165 | 19 | 168 | 165 | 21 | 165 | 165 | 168 | 380 | 21 | 21 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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