Surf Forecasts:
How big are the waves at Chuns Reef today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 6ft (1.9m), 7s period with E swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 6ft (1.9m), 7s period with ENE swell.
- Evening surf: Evening surf (18 Jul, local time) - 6ft (1.8m), 8s period with ENE swell.
The current surf forecast for Chuns Reef at 2AM is: 1.6m 6s primary swell from a East-northeast direction and 0.4m 13s secondary swell from a West-northwest direction (forecast issued at 07:00pm July 17). An open ocean swell of 0.4m 15s 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 Jul) | 6ft (1.9m) | 7s |
| Afternoon (18 Jul) | 6ft (1.9m) | 7s |
| Evening (18 Jul) | 6ft (1.8m) | 8s |
Table - waves today at Chuns Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Sat morning, min 24°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Fri 17 | Saturday 18 | Sunday 19 | |||||||||||||||||
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 7 | ENE 7 | ENE 7 | ENE 6 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 163 | 180 | 214 | 225 | 255 | 335 | 327 | 394 | 427 | 385 | 355 | 341 | 343 | 350 | 310 | 310 | 273 | 219 | 284 |
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 | 5:32PM0.51m | 6:34AM0.28m | 6:07PM0.44m | 7:43AM0.32m | 6:39PM0.37m | ||||||||||||||
Low Tide | 11:33PM0.02m | 10:35AM0.13m | 00:06AM0.02m | 11:50AM0.19m | |||||||||||||||
 |  | |  | | | | | | | | | | | | | | | | |
 | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — |
 | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 25 | 25 | 24 |
Feels °C | 26 | 25 | 26 | 25 | 25 | 24 | 25 | 25 | 24 | 23 | 23 | 23 | 24 | 23 | 24 | 24 | 24 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | W 14 | W 14 | W 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | NNE 7 | NNE 7 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | NNE 8 | WNW 12 |
| kJ | 100 | 98 | 94 | 60 | 58 | 57 | 57 | 57 | 57 | 57 | 33 | 28 | 20 | 29 | 29 | 29 | 29 | 50 | 28 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SSW 16 | SSW 15 | SSW 15 | SW 15 | SSW 15 | SSW 14 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | WNW 13 | WNW 12 | SSW 12 | SSW 11 | SSW 13 | SSW 13 | WNW 12 | SSW 13 |
| kJ | 64 | 48 | 47 | 87 | 56 | 21 | 41 | 14 | 14 | 14 | 14 | 32 | 29 | 13 | 12 | 17 | 17 | 29 | 17 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 12 | S 9 | S 13 | SSW 11 | SSW 11 | SSW 14 | SSW 14 | SW 11 | SSW 14 | SSW 14 | SSW 14 | SW 14 | SSW 14 | SW 20 | SW 20 | SW 19 | SW 19 |
| kJ | 14 | 14 | 14 | 2 | 3 | 12 | 11 | 41 | 20 | 4 | 40 | 19 | 19 | 7 | 18 | 15 | 15 | 15 | 14 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 6 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 |
| kJ | 163 | 180 | 214 | 225 | 255 | 335 | 327 | 394 | 427 | 385 | 355 | 341 | 343 | 350 | 310 | 310 | 273 | 219 | 284 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1 | 1 | 1 | 0 | 19 | 19 | 19 | 19 | 19 | 1 | 19 | 3 | 19 | 21 | 19 | 21 | 148 | 1 | 19 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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