Surf Forecasts:
How big are the waves at Chuns Reef today (15 Aug):
- Morning surf: Morning surf (15 Aug, local time) - 11ft (3.5m), 9s period with E swell.
- Afternoon surf: Afternoon surf (15 Aug, local time) - 11ft (3.5m), 10s period with E swell.
- Evening surf: Evening surf (15 Aug, local time) - 13ft (4.0m), 10s period with E swell.
The current surf forecast for Chuns Reef at 1PM is: 3.5m 9s primary swell from a East direction and 0.3m 8s secondary swell from a North-northwest direction, 0.3m 12s secondary swell from a West direction (forecast issued at 07:00am August 15). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | 11ft (3.5m) | 9s |
| Afternoon (15 Aug) | 11ft (3.5m) | 10s |
| Evening (15 Aug) | 13ft (4.0m) | 10s |
Table - waves today at Chuns Reef. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 33mm), heaviest during Sun morning. Warm (max 26°C on Sat afternoon, min 24°C on Mon night). Winds decreasing (strong winds from the ENE on Sat night, moderate winds from the ESE by Sun afternoon). | |||||||||||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | |||||||||||||||||||||
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 | 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) | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | ENE 7 | E 7 | ENE 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1228 | 1446 | 1827 | 2279 | 2812 | 3219 | 3279 | 3182 | 2379 | 1838 | 1261 | 1045 | 887 | 781 | 643 | 522 | 441 | 419 | 358 | 320 | 284 | 245 | 215 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | 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 | cross-off |
High Tide | 5:01AM0.36m | 4:50PM0.44m | 5:52AM0.38m | 5:18PM0.37m | 6:49AM0.40m | 5:45PM0.30m | |||||||||||||||||
Low Tide | 9:34AM0.11m | 10:24PM0.04m | 10:33AM0.16m | 10:51PM0.04m | 11:48AM0.20m | ||||||||||||||||||
 |  |  |  | |  |  |  | |  | | | |  | |  | |  | | | | | | |
 | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — |
mm | — | — | 1 | 1 | 1 | — | 1 | 1 | 3 | 8 | 6 | 5 | 3 | 2 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 24 |
Feels °C | 23 | 23 | 22 | 23 | 23 | 22 | 21 | 21 | 21 | 23 | 25 | 26 | 27 | 26 | 26 | 27 | 26 | 26 | 27 | 26 | 26 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | S 14 | WNW 12 | S 14 | S 14 | WNW 11 |
| kJ | 12 | 12 | 12 | 6 | 12 | 34 | 34 | 33 | 30 | 29 | 16 | 14 | 22 | 13 | 25 | 25 | 25 | 25 | 16 | 28 | 16 | 16 | 11 |
Swell 2 Height (m) Direction Period (s) | S 13 | W 11 | W 11 | W 13 | S 13 | NNW 8 | NNW 8 | NNW 9 | NNW 9 | NNW 8 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | SSW 7 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | S 14 | W 12 | W 12 | S 14 |
| kJ | 32 | 21 | 22 | 30 | 14 | 13 | 7 | 16 | 15 | 7 | 29 | 29 | 28 | 26 | 4 | 4 | 4 | 4 | 4 | 16 | 11 | 11 | 16 |
Swell 3 Height (m) Direction Period (s) | W 11 | S 13 | S 13 | S 13 | W 13 | S 13 | S 13 | SSW 16 | S 13 | S 12 | NNW 8 | NNW 8 | NNW 8 | SSW 7 | SSE 8 | S 13 | S 13 | S 14 | W 11 | SSW 6 | SSW 6 | SSW 6 | SSW 7 |
| kJ | 9 | 31 | 14 | 14 | 13 | 14 | 14 | 24 | 14 | 12 | 6 | 6 | 6 | 5 | 6 | 13 | 14 | 16 | 9 | 4 | 3 | 3 | 4 |
Wind waves Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | ENE 7 | E 7 | ENE 7 |
| kJ | 1228 | 1446 | 1827 | 2279 | 2812 | 3219 | 3279 | 3182 | 2379 | 1838 | 1261 | 1045 | 887 | 781 | 643 | 522 | 441 | 419 | 358 | 320 | 284 | 245 | 215 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 165 | 165 | 166 | 166 | 166 | 174 | 174 | 166 | 187 | 168 | 5 | 5 | 19 | 21 | 5 | 5 | 5 | 21 | 21 | 21 | 21 | 21 | 21 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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