Surf Forecasts:
How big are the waves at Waipio Valley today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 6ft (1.8m), 9s period with ENE swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 6ft (1.8m), 9s period with ENE swell.
- Evening surf: Evening surf (20 Sep, local time) - 5.5ft (1.7m), 9s period with ENE swell.
The current surf forecast for Waipio Valley at 1PM is: 1.8m 9s primary swell from a East-northeast direction and 0.1m 12s secondary swell from a Northwest direction, 0.1m 13s secondary swell from a West direction (forecast issued at 07:00am September 20). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 6ft (1.8m) | 9s |
| Afternoon (20 Sep) | 6ft (1.8m) | 9s |
| Evening (20 Sep) | 5.5ft (1.7m) | 9s |
Table - waves today at Waipio Valley. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Mon afternoon. Warm (max 28°C on Sun morning, min 25°C on Tue night). Mainly fresh winds. | |||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||||||||||
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 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 9 | E 9 | E 9 | E 10 | E 10 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 493 | 493 | 493 | 493 | 493 | 442 | 442 | 493 | 455 | 455 | 455 | 445 | 434 | 434 | 424 | 367 | 367 | 412 | 537 | 699 | 747 | 919 | 1024 |
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 | cross-on |
High Tide | 11:43AM0.75m | 11:17PM0.42m | 12:20PM0.79m | 00:08AM0.48m | 12:50PM0.82m | ||||||||||||||||||
Low Tide | 3:34AM0.27m | 7:09PM0.35m | 4:52AM0.24m | 7:16PM0.31m | 5:47AM0.21m | 7:29PM0.27m | |||||||||||||||||
 |  |  | | |  |  | | | | | |  |  | | | | | | | | | | |
 | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:17 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 28 | 28 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 |
Feels °C | 26 | 26 | 28 | 27 | 24 | 25 | 26 | 25 | 26 | 27 | 26 | 27 | 27 | 27 | 27 | 28 | 27 | 28 | 28 | 28 | 27 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | W 8 | N 12 | N 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | N 14 | NNW 13 | N 13 | N 12 | NNW 12 | NNW 12 | NNW 11 |
| kJ | 1 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 36 | 59 | 87 | 110 | 150 | 145 | 130 |
Swell 2 Height (m) Direction Period (s) | N 12 | W 8 | W 8 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | N 15 | NNW 9 | NNW 9 | W 13 | W 13 | W 12 | W 12 | W 12 |
| kJ | 3 | 1 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 17 | 8 | 8 | 13 | 13 | 3 | 11 | 11 |
Swell 3 Height (m) Direction Period (s) | — | N 8 | N 8 | — | N 8 | W 13 | — | N 7 | W 12 | W 12 | W 12 | W 12 | N 17 | N 16 | N 15 | W 11 | W 11 | W 13 | NNW 9 | — | W 10 | — | — |
| kJ | — | 1 | 1 | — | 1 | 3 | — | 1 | 3 | 3 | 3 | 3 | 6 | 5 | 5 | 10 | 10 | 3 | 8 | — | 2 | — | — |
Wind waves Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 9 | E 9 | E 9 | E 10 | E 10 |
| kJ | 493 | 493 | 493 | 493 | 493 | 442 | 442 | 493 | 455 | 455 | 455 | 445 | 434 | 434 | 424 | 367 | 367 | 412 | 537 | 699 | 747 | 919 | 1024 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 59 | 67 | 104 | 104 | 59 | 59 | 68 | 56 | 54 | 54 | 102 | 104 | 67 | 59 | 59 | 68 | 67 | 67 | 104 | 112 | 59 | 67 | 67 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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