Surf Forecasts:
How big are the waves at Waipio Valley today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 3.5ft (1.1m), 7s period with NE swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 3.5ft (1.0m), 7s period with NE swell.
- Evening surf: Evening surf (20 Aug, local time) - 3ft (0.9m), 7s period with NE swell.
The current surf forecast for Waipio Valley at 10PM is: 0.7m 8s primary swell from a East direction and 0.9m 7s secondary swell from a Northeast direction, 0.3m 11s secondary swell from a West direction (forecast issued at 01:00pm August 20). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 3.5ft (1.1m) | 7s |
| Afternoon (20 Aug) | 3.5ft (1.0m) | 7s |
| Evening (20 Aug) | 3ft (0.9m) | 7s |
Table - waves today at Waipio Valley. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sun morning. Warm (max 29°C on Fri morning, min 26°C on Thu night). Winds increasing (light winds from the NE on Thu afternoon, fresh winds from the E by Sun morning). | |||||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||||
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) | NNE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | E 8 | ENE 6 | ENE 7 | E 5 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 90 | 93 | 91 | 67 | 69 | 55 | 108 | 82 | 191 | 170 | 190 | 117 | 184 | 206 | 226 | 236 | 320 | 412 | 377 | 377 | 386 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 10:43AM0.69m | 11:52AM0.74m | 12:36PM0.79m | ||||||||||||||||||
Low Tide | 2:58AM0.24m | 4:24AM0.22m | 8:02PM0.38m | ||||||||||||||||||
 |  | |  | |  | |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 29 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 29 | 28 | 27 | 26 | 26 |
Feels °C | 32 | 31 | 31 | 31 | 32 | 29 | 29 | 29 | 30 | 30 | 28 | 29 | 28 | 26 | 26 | 27 | 29 | 28 | 27 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | NNE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NNE 7 | ESE 8 | W 10 | W 10 | W 11 | NNE 7 | W 10 | NNE 6 | W 10 | W 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 90 | 93 | 91 | 67 | 67 | 55 | 40 | 23 | 31 | 35 | 37 | 18 | 32 | 14 | 17 | 17 | 19 | 19 | 21 | 21 | 20 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 8 | E 8 | E 8 | W 11 | E 8 | W 10 | W 10 | W 9 | W 9 | W 9 | W 11 | NNE 7 | W 10 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 |
| kJ | 51 | 40 | 41 | 43 | 21 | 35 | 18 | 18 | 1 | 2 | 2 | 36 | 15 | 31 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | W 11 | W 11 | W 11 | W 11 | W 8 | W 11 | W 10 | N 8 | N 8 | N 8 | N 8 | W 9 | W 9 | W 9 | N 8 | N 8 | N 8 | N 8 | N 8 | W 15 | N 8 |
| kJ | 9 | 9 | 9 | 9 | 5 | 21 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 4 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | ENE 2 | E 3 | E 8 | E 4 | E 8 | ENE 6 | ENE 7 | E 5 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | — | — | 1 | 1 | 69 | 10 | 108 | 82 | 191 | 170 | 190 | 117 | 184 | 206 | 226 | 236 | 320 | 412 | 377 | 377 | 386 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 27 | 27 | 27 | 27 | 27 | 27 | 18 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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