Surf Forecasts:
How big are the waves at Waipio Valley today (13 Aug):
- Afternoon surf: Afternoon surf (13 Aug, local time) - 5.5ft (1.7m), 8s period with ENE swell.
- Evening surf: Evening surf (13 Aug, local time) - 5.5ft (1.7m), 8s period with ENE swell.
The current surf forecast for Waipio Valley at 11PM is: 1.7m 8s primary swell from a East-northeast direction and 0.2m 12s secondary swell from a West direction, 0.2m 8s secondary swell from a North-northwest direction (forecast issued at 07:00pm August 13). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | - | - |
| Afternoon (13 Aug) | 5.5ft (1.7m) | 8s |
| Evening (13 Aug) | 5.5ft (1.7m) | 8s |
Table - waves today at Waipio Valley. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 113mm), heaviest during Sat afternoon. Warm (max 28°C on Fri morning, min 25°C on Thu night). Winds decreasing (gales from the ENE on Sat night, light winds from the ESE by Sun afternoon). | |||||||||||||||||||
Thu 13 | Friday 14 | Saturday 15 | |||||||||||||||||
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 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | E 9 | ENE 10 | E 10 | E 11 | E 11 | E 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 344 | 350 | 402 | 470 | 506 | 661 | 1079 | 1280 | 1688 | 2166 | 2515 | 2496 | 2574 | 2714 | 2702 | 2597 | 2580 | 2681 | 3203 |
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-on | cross-on | cross |
High Tide | 3:46AM0.64m | 4:14PM0.89m | 4:32AM0.66m | 4:38PM0.81m | |||||||||||||||
Low Tide | 10:15PM0.20m | 9:36AM0.13m | 10:43PM0.19m | 10:18AM0.22m | |||||||||||||||
 |  | | | | |  | |  |  | | |  | | |  |  | |  | |
 | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:51 | — | — |
mm | — | — | — | — | — | — | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 4 | 3 | 8 | 26 | 18 | 24 |
Temp °C | 27 | 26 | 25 | 25 | 25 | 26 | 28 | 28 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 26 |
Feels °C | 26 | 25 | 23 | 24 | 24 | 25 | 27 | 27 | 25 | 25 | 25 | 25 | 24 | 24 | 23 | 21 | 19 | 18 | 20 |
Swell 1 Height (m) Direction Period (s) | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | NNW 9 | NNW 9 | W 11 | W 13 |
| kJ | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 7 | 7 | 10 | 13 |
Swell 2 Height (m) Direction Period (s) | NW 9 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NW 7 | NW 8 | W 12 | — | NW 8 | NW 8 | NNW 8 | NNW 9 | W 11 | W 11 | NNW 9 | NNW 9 |
| kJ | 3 | 7 | 6 | 6 | 6 | 6 | 5 | 2 | 3 | 11 | — | 3 | 3 | 6 | 8 | 9 | 10 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | — | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | — | — | — | — | — | — | — | W 14 | W 14 | — | — |
| kJ | — | 11 | 11 | 11 | 11 | 11 | 10 | 10 | — | — | — | — | — | — | — | 4 | 4 | — | — |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | E 9 | ENE 10 | E 10 | E 11 | E 11 | E 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 9 |
| kJ | 344 | 350 | 402 | 470 | 506 | 661 | 1079 | 1280 | 1688 | 2166 | 2515 | 2496 | 2574 | 2714 | 2702 | 2597 | 2580 | 2681 | 3203 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 56 | 65 | 59 | 59 | 65 | 68 | 102 | 67 | 59 | 59 | 67 | 59 | 67 | 59 | 59 | 59 | 59 | 68 | 467 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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