Surf Forecasts:
How big are the waves at Waipio Valley today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 4ft (1.2m), 8s period with NNE swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 6ft (1.8m), 8s period with ENE swell.
- Evening surf: Evening surf (31 Aug, local time) - 6ft (1.8m), 8s period with ENE swell.
The current surf forecast for Waipio Valley at 11AM is: 1.7m 8s primary swell from a East-northeast direction and 0.4m 9s secondary swell from a East-northeast direction, 0.1m 11s secondary swell from a West direction (forecast issued at 07:00am August 31). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 4ft (1.2m) | 8s |
| Afternoon (31 Aug) | 6ft (1.8m) | 8s |
| Evening (31 Aug) | 6ft (1.8m) | 8s |
Table - waves today at Waipio Valley. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Mon afternoon. Warm (max 28°C on Tue afternoon, min 25°C on Mon night). Mainly fresh winds. | |||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||||||||
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) | NE 7 | NNE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 261 | 171 | 339 | 423 | 436 | 412 | 476 | 476 | 434 | 403 | 422 | 403 | 394 | 365 | 356 | 454 | 414 | 536 | 515 | 468 | 497 | 357 | 450 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:53AM0.74m | 4:27PM0.70m | 5:45AM0.75m | 4:48PM0.63m | 6:51AM0.74m | 5:07PM0.56m | |||||||||||||||||
Low Tide | 10:43AM0.32m | 10:56PM0.14m | 11:37AM0.40m | 11:30PM0.14m | 12:56PM0.47m | ||||||||||||||||||
 |  |  |  | |  |  | | | | | | |  | | | | | | | | | | |
 | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | — | — | 1 | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | 1 | 1 | — | 1 | — | — | — | — |
Temp °C | 25 | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 26 | 25 |
Feels °C | 24 | 25 | 26 | 26 | 26 | 24 | 25 | 25 | 26 | 27 | 27 | 28 | 28 | 26 | 26 | 27 | 27 | 26 | 26 | 27 | 26 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | E 10 | NNE 8 | ENE 9 | W 13 | W 12 | W 12 | W 12 | W 12 | W 13 | ENE 8 | ESE 12 | ESE 11 | ESE 10 | ESE 10 | ESE 9 | SE 11 | E 14 | E 14 | E 14 | ESE 10 | E 13 | E 13 | E 13 |
| kJ | 48 | 171 | 28 | 3 | 3 | 3 | 3 | 3 | 12 | 403 | 13 | 23 | 21 | 19 | 29 | 20 | 32 | 65 | 103 | 69 | 167 | 167 | 167 |
Swell 2 Height (m) Direction Period (s) | SE 10 | ENE 9 | W 11 | W 11 | W 12 | W 15 | W 16 | E 16 | E 16 | W 12 | W 12 | W 12 | E 14 | E 14 | E 13 | E 13 | SE 11 | SE 12 | SE 11 | E 14 | W 10 | SE 10 | W 10 |
| kJ | 4 | 66 | 2 | 2 | 3 | 4 | 5 | 5 | 5 | 3 | 3 | 12 | 16 | 14 | 32 | 14 | 33 | 34 | 33 | 97 | 2 | 82 | 2 |
Swell 3 Height (m) Direction Period (s) | W 11 | SE 9 | W 13 | S 9 | S 9 | S 13 | W 16 | E 16 | E 13 | SE 12 | E 15 | E 15 | W 12 | SE 12 | W 11 | E 16 | W 11 | W 11 | E 12 | W 10 | NW 11 | W 10 | NW 11 |
| kJ | 2 | 3 | 3 | 2 | 2 | 3 | 5 | 5 | 4 | 6 | 4 | 4 | 12 | 6 | 10 | 20 | 10 | 2 | 11 | 8 | 5 | 2 | 5 |
Wind waves Height (m) Direction Period (s) | NE 7 | E 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 261 | 106 | 339 | 423 | 436 | 412 | 476 | 476 | 434 | — | 422 | 403 | 394 | 365 | 356 | 454 | 414 | 536 | 515 | 468 | 497 | 357 | 450 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 59 | 59 | 59 | 104 | 59 | 59 | 59 | 59 | 59 | 67 | 67 | 59 | 59 | 59 | 71 | 59 | 59 | 59 | 71 | 311 | 59 | 59 | 59 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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