Surf Forecasts:
How big are the waves at Chuns Reef today (19 Jul):
- Morning surf: Morning surf (19 Jul, local time) - 4.5ft (1.4m), 8s period with E swell.
- Afternoon surf: Afternoon surf (19 Jul, local time) - 5ft (1.5m), 8s period with ENE swell.
- Evening surf: Evening surf (19 Jul, local time) - 5ft (1.5m), 8s period with ENE swell.
The current surf forecast for Chuns Reef at 10AM is: 1.4m 8s primary swell from a East direction and 0.6m 7s secondary swell from a North-northeast direction, 0.3m 12s secondary swell from a West-northwest direction (forecast issued at 01:00am July 19). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Jul) | 4.5ft (1.4m) | 8s |
| Afternoon (19 Jul) | 5ft (1.5m) | 8s |
| Evening (19 Jul) | 5ft (1.5m) | 8s |
Table - waves today at Chuns Reef. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Tue morning. Warm (max 26°C on Sun morning, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | ||||||||||||||||||||||
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 | 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 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 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 | ENE 7 | ENE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 383 | 291 | 301 | 219 | 273 | 284 | 284 | 277 | 319 | 227 | 256 | 226 | 220 | 249 | 242 | 229 | 197 | 158 | 149 | 149 | 173 | 192 | 198 | 227 |
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 | 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 | 7:43AM0.32m | 6:39PM0.37m | 8:56AM0.36m | 7:10PM0.29m | 10:05AM0.41m | 7:43PM0.23m | ||||||||||||||||||
Low Tide | 00:06AM0.02m | 11:50AM0.19m | 00:38AM0.03m | 1:37PM0.23m | 1:13AM0.03m | 4:05PM0.22m | ||||||||||||||||||
 | |  | | | | | | |  |  | | | | | | | |  |  | | | | | |
 | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — |
Temp °C | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 23 | 24 | 25 | 25 | 24 | 25 | 25 | 23 | 23 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 26 | 26 | 26 | 26 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | WNW 13 | NNE 7 | NNE 8 | NNE 6 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | NNE 8 | SSW 12 | SSW 12 | SSW 18 | SSW 18 | SSW 11 | SSW 17 | SW 16 | SSW 16 | SW 16 | E 12 | E 12 | E 11 | E 14 | E 13 |
| kJ | 32 | 35 | 19 | 45 | 29 | 29 | 29 | 28 | 14 | 64 | 14 | 13 | 31 | 31 | 12 | 28 | 42 | 26 | 69 | 25 | 24 | 23 | 60 | 87 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | WNW 12 | WNW 12 | WNW 12 | SSW 13 | SSW 13 | SW 19 | SSW 13 | SSW 13 | SSW 12 | W 12 | SSW 18 | SSW 11 | SSW 11 | SSW 18 | SSW 11 | SSW 11 | SSW 11 | E 16 | E 15 | SW 17 | E 15 | E 11 | SSW 15 |
| kJ | 19 | 29 | 29 | 29 | 17 | 17 | 15 | 17 | 16 | 14 | 11 | 32 | 12 | 12 | 30 | 11 | 11 | 12 | 19 | 40 | 70 | 38 | 22 | 23 |
Swell 3 Height (m) Direction Period (s) | SW 9 | SSW 14 | SSW 12 | SSW 11 | SW 20 | SW 20 | SW 10 | SW 19 | SW 19 | W 12 | SSW 18 | W 12 | W 12 | W 12 | W 12 | W 11 | E 13 | E 12 | E 12 | SSW 13 | E 15 | SSW 16 | SSW 16 | E 11 |
| kJ | 3 | 19 | 13 | 12 | 15 | 15 | 4 | 14 | 14 | 11 | 33 | 11 | 11 | 11 | 10 | 10 | 12 | 12 | 11 | 16 | 38 | 26 | 24 | 9 |
Wind waves Height (m) Direction Period (s) | ENE 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 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 | ENE 7 | ENE 7 |
| kJ | 383 | 291 | 301 | 219 | 273 | 284 | 284 | 277 | 319 | 227 | 256 | 226 | 220 | 249 | 242 | 229 | 197 | 158 | 149 | 149 | 173 | 192 | 198 | 227 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 19 | 3 | 21 | 3 | 21 | 21 | 21 | 19 | 19 | 3 | 19 | 22 | 19 | 19 | 19 | 19 | 4 | 5 | 19 | 19 | 19 | 19 | 19 | 19 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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