Surf Forecasts:
How big are the waves at Waipio Valley today (23 Aug):
- Morning surf: Morning surf (23 Aug, local time) - 6ft (1.8m), 9s period with E swell.
- Afternoon surf: Afternoon surf (23 Aug, local time) - 6ft (1.8m), 9s period with E swell.
- Evening surf: Evening surf (23 Aug, local time) - 6ft (1.9m), 9s period with E swell.
The current surf forecast for Waipio Valley at 2AM is: 1.9m 9s primary swell from a East direction and 0.3m 10s secondary swell from a West-northwest direction, 0.1m 10s secondary swell from a West direction (forecast issued at 07:00pm August 22). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Aug) | 6ft (1.8m) | 9s |
| Afternoon (23 Aug) | 6ft (1.8m) | 9s |
| Evening (23 Aug) | 6ft (1.9m) | 9s |
Table - waves today at Waipio Valley. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Sun morning. Warm (max 28°C on Sun afternoon, min 25°C on Sat night). Mainly fresh winds. | |||||||||||||||||||
Sat 22 | Sunday 23 | Monday 24 | |||||||||||||||||
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 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 432 | 460 | 404 | 561 | 561 | 505 | 459 | 515 | 562 | 550 | 582 | 488 | 476 | 464 | 516 | 503 | 464 | 372 | 373 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross |
High Tide | 11:16PM0.41m | 1:09PM0.83m | 00:13AM0.45m | 1:38PM0.87m | |||||||||||||||
Low Tide | 8:02PM0.38m | 5:27AM0.18m | 8:07PM0.35m | 6:14AM0.13m | 8:22PM0.32m | ||||||||||||||
 |  | | | |  |  |  | |  |  | | | | |  | | | | |
 | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:44 | — | — |
mm | — | — | — | — | — | 1 | 1 | — | — | 1 | — | — | — | — | — | 1 | 1 | 1 | — |
Temp °C | 28 | 27 | 27 | 26 | 25 | 26 | 26 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 27 | 27 | 26 |
Feels °C | 28 | 26 | 26 | 24 | 24 | 26 | 27 | 29 | 28 | 27 | 27 | 27 | 27 | 28 | 29 | 28 | 28 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 10 | NE 7 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | W 9 | WNW 10 | WNW 11 | W 9 | NW 10 | WNW 10 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 |
| kJ | 21 | 21 | 54 | 20 | 20 | 19 | 10 | 7 | 9 | 11 | 2 | 4 | 10 | 6 | 5 | 5 | 5 | 4 | 4 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 10 | WNW 10 | W 10 | W 9 | NW 12 | NW 12 | WNW 12 | NW 11 | W 9 | NW 11 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 |
| kJ | 2 | 2 | 20 | 2 | 2 | 6 | 6 | 13 | 5 | 2 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | N 8 | N 8 | W 10 | NW 14 | NW 14 | W 9 | W 9 | W 9 | W 9 | S 13 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 13 | W 13 |
| kJ | 1 | 1 | 2 | 8 | 7 | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 432 | 460 | 404 | 561 | 561 | 505 | 459 | 515 | 562 | 550 | 582 | 488 | 476 | 464 | 516 | 503 | 464 | 372 | 373 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 59 | 27 | 68 | 59 | 67 | 68 | 104 | 69 | 68 | 68 | 66 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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