Surf Forecasts:
How big are the waves at Chuns Reef today (18 Sep):
- Afternoon surf: Afternoon surf (18 Sep, local time) - 6ft (1.8m), 8s period with E swell.
- Evening surf: Evening surf (18 Sep, local time) - 6.5ft (2.0m), 8s period with E swell.
The current surf forecast for Chuns Reef at 11PM is: 1.9m 8s primary swell from a East-northeast direction and 0.1m 9s secondary swell from a Northwest direction (forecast issued at 07:00pm September 18). An open ocean swell of 0.6m 16s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | - | - |
| Afternoon (18 Sep) | 6ft (1.8m) | 8s |
| Evening (18 Sep) | 6.5ft (2.0m) | 8s |
Table - waves today at Chuns Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Sat morning, min 25°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | |||||||||||||||||
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) | ENE 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 461 | 471 | 450 | 463 | 501 | 551 | 513 | 535 | 535 | 565 | 565 | 476 | 382 | 428 | 392 | 383 | 407 | 416 | 373 |
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 | 9:34PM0.15m | 10:27AM0.44m | 11:07PM0.17m | 11:22AM0.45m | |||||||||||||||
Low Tide | 5:08PM0.14m | 00:51AM0.12m | 5:31PM0.12m | 2:29AM0.12m | 5:53PM0.10m | ||||||||||||||
 |  | |  | | | | |  | | | | | | | | | | | |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 26 | 25 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 25 | 25 |
Feels °C | 26 | 26 | 26 | 26 | 24 | 25 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 25 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SSW 16 | SSW 16 | SW 16 | SSW 16 | NNE 6 | SSW 15 | SSW 15 | E 10 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 193 | 184 | 179 | 173 | 169 | 166 | 166 | 121 | 164 | 166 | 121 | 95 | 35 | 86 | 86 | 52 | 85 | 85 | 84 |
Swell 2 Height (m) Direction Period (s) | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | S 18 | S 18 | NW 10 | N 12 | N 12 | SSW 16 | N 11 | ESE 10 | SSW 15 | N 11 | N 11 | N 11 |
| kJ | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 6 | 6 | 4 | 3 | 3 | 94 | 2 | 37 | 85 | 9 | 9 | 9 |
Swell 3 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | NW 8 | NW 10 | N 12 | S 16 | N 11 | NNE 7 | NW 9 | NW 9 | W 12 |
| kJ | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 3 | 4 | 3 | 5 | 2 | 9 | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | ENE 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 7 |
| kJ | 461 | 471 | 450 | 463 | 501 | 551 | 513 | 535 | 535 | 565 | 565 | 476 | 382 | 428 | 392 | 383 | 407 | 416 | 373 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 168 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 1 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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