Surf Forecasts:
How big are the waves at Waipio Valley today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 6.5ft (2.0m), 8s period with E swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 7ft (2.1m), 8s period with E swell.
- Evening surf: Evening surf (19 Sep, local time) - 6.5ft (2.0m), 8s period with E swell.
The current surf forecast for Waipio Valley at 9PM is: 2.0m 8s primary swell from a East direction and 0.1m 9s secondary swell from a West direction, 0.1m 11s secondary swell from a North direction (forecast issued at 01:00pm September 19). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 6.5ft (2.0m) | 8s |
| Afternoon (19 Sep) | 7ft (2.1m) | 8s |
| Evening (19 Sep) | 6.5ft (2.0m) | 8s |
Table - waves today at Waipio Valley. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Mon afternoon. Warm (max 29°C on Sat afternoon, min 25°C on Sat night). Mainly fresh winds. | |||||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | |||||||||||||||||||
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) | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | E 9 | E 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 | ENE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 632 | 617 | 617 | 576 | 522 | 482 | 435 | 435 | 453 | 453 | 453 | 442 | 394 | 394 | 398 | 398 | 445 | 445 | 398 | 389 | 380 |
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 | 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 |
High Tide | 10:50AM0.71m | 9:14PM0.38m | 11:43AM0.75m | 11:17PM0.42m | 12:20PM0.79m | ||||||||||||||||
Low Tide | 7:48PM0.37m | 3:34AM0.27m | 7:09PM0.35m | 4:52AM0.24m | 7:16PM0.31m | ||||||||||||||||
 | | |  |  | | | | | | | |  | | | | | |  |  | | |
 | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | 6:21 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:19 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — |
Temp °C | 28 | 29 | 27 | 26 | 26 | 25 | 25 | 26 | 28 | 27 | 26 | 25 | 26 | 25 | 25 | 26 | 28 | 27 | 26 | 26 | 26 |
Feels °C | 27 | 29 | 27 | 27 | 27 | 26 | 25 | 26 | 28 | 26 | 25 | 24 | 25 | 25 | 25 | 25 | 27 | 26 | 26 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | N 6 | NNE 6 | 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 |
| kJ | 2 | 2 | 2 | 2 | 1 | 1 | 20 | 14 | 3 | 5 | 5 | 5 | 5 | 5 | 11 | 11 | 10 | 10 | 10 | 10 | 9 |
Swell 2 Height (m) Direction Period (s) | — | — | — | N 11 | N 11 | N 12 | W 8 | N 12 | 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 |
| kJ | — | — | — | 2 | 2 | 3 | 1 | 3 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 10 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | N 12 | W 8 | N 8 | W 13 | — | N 8 | N 7 | N 9 | W 12 | W 12 | — | W 12 | N 17 | N 16 | N 15 |
| kJ | — | — | — | — | — | — | 3 | 1 | 1 | 4 | — | 1 | 1 | 2 | 3 | 3 | — | 3 | 6 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | E 9 | E 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 | ENE 8 |
| kJ | 632 | 617 | 617 | 576 | 522 | 482 | 435 | 435 | 453 | 453 | 453 | 442 | 394 | 394 | 398 | 398 | 445 | 445 | 398 | 389 | 380 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 59 | 27 | 27 | 59 | 59 | 59 | 59 | 67 | 104 | 104 | 67 | 59 | 56 | 59 | 56 | 54 | 59 | 104 | 69 | 59 | 59 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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