Surf Forecasts:
How big are the waves at Chuns Reef today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 16ft (5.0m), 10s period with E swell.
- Afternoon surf: Afternoon surf (16 Aug, local time) - 11ft (3.5m), 9s period with E swell.
- Evening surf: Evening surf (16 Aug, local time) - 8ft (2.5m), 8s 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 12s secondary swell from a West-northwest direction (forecast issued at 07:00am August 16). An open ocean swell of 0.5m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 16ft (5.0m) | 10s |
| Afternoon (16 Aug) | 11ft (3.5m) | 9s |
| Evening (16 Aug) | 8ft (2.5m) | 8s |
Table - waves today at Chuns Reef. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 36mm), heaviest during Sun morning. Warm (max 26°C on Sun afternoon, min 24°C on Mon night). Winds decreasing (near gales from the E on Sun morning, light winds from the ESE by Sun night). | |||||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | |||||||||||||||||||||
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 10 | E 10 | E 10 | E 9 | E 9 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 3994 | 4915 | 3189 | 1947 | 1342 | 997 | 816 | 634 | 461 | 438 | 375 | 327 | 292 | 252 | 245 | 225 | 192 | 161 | 180 | 152 | 161 | 130 | 126 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | 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 | 5:52AM0.38m | 5:18PM0.37m | 6:49AM0.40m | 5:45PM0.30m | 7:53AM0.41m | 6:07PM0.25m | |||||||||||||||||
Low Tide | 10:33AM0.16m | 10:51PM0.04m | 11:48AM0.20m | 11:19PM0.05m | 1:39PM0.22m | ||||||||||||||||||
 |  |  | | | |  | | |  | | | |  | | | |  | | | | | | |
 | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — |
mm | 14 | 20 | 10 | 3 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 24 |
Feels °C | 20 | 20 | 24 | 26 | 26 | 27 | 28 | 27 | 27 | 26 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 12 | SSE 10 | S 9 | SSW 7 | SSE 8 | WNW 11 | SW 6 | SW 6 | SW 6 | SW 6 | WNW 12 | S 14 | S 14 | S 14 | WSW 6 | E 9 | E 9 | WNW 13 | SW 17 | WNW 13 | WNW 12 | WNW 12 |
| kJ | 30 | 29 | 80 | 42 | 10 | 13 | 25 | 5 | 9 | 5 | 5 | 14 | 16 | 16 | 16 | 4 | 15 | 15 | 17 | 47 | 34 | 30 | 28 |
Swell 2 Height (m) Direction Period (s) | S 14 | SW 16 | WNW 12 | WNW 12 | WNW 12 | SSW 7 | SSW 6 | WNW 11 | WNW 11 | WNW 11 | S 14 | S 14 | SSW 6 | SSW 7 | WSW 6 | S 14 | WSW 6 | WSW 6 | SSW 17 | WNW 13 | SSW 18 | NE 8 | ENE 8 |
| kJ | 15 | 10 | 29 | 29 | 28 | 9 | 4 | 25 | 25 | 25 | 16 | 16 | 3 | 4 | 4 | 15 | 4 | 4 | 28 | 34 | 30 | 9 | 6 |
Swell 3 Height (m) Direction Period (s) | SW 16 | S 18 | SW 19 | NNW 8 | NNW 8 | WNW 12 | S 13 | SSE 8 | S 14 | S 14 | WNW 12 | SSW 6 | WSW 6 | W 11 | SSW 6 | W 11 | S 13 | SSW 16 | WSW 6 | WSW 6 | WSW 6 | SSW 18 | SSW 18 |
| kJ | 10 | 6 | 15 | 6 | 6 | 26 | 13 | 6 | 14 | 16 | 13 | 3 | 4 | 9 | 4 | 10 | 14 | 26 | 4 | 4 | 4 | 31 | 31 |
Wind waves Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 9 | E 9 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 |
| kJ | 3994 | 4915 | 3189 | 1947 | 1342 | 997 | 816 | 634 | 461 | 438 | 375 | 327 | 292 | 252 | 245 | 225 | 192 | 161 | 180 | 152 | 161 | 130 | 126 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 174 | 274 | 274 | 202 | 4 | 5 | 5 | 5 | 4 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 19 | 19 | 1 | 19 | 19 | 19 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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