Surf Forecasts:
How big are the waves at Waipio Valley today (25 Sep):
- Morning surf: Morning surf (25 Sep, local time) - 6.5ft (2.0m), 8s period with E swell.
- Afternoon surf: Afternoon surf (25 Sep, local time) - 6.5ft (2.0m), 8s period with E swell.
- Evening surf: Evening surf (25 Sep, local time) - 8ft (2.5m), 8s period with E swell.
The current surf forecast for Waipio Valley at 3AM is: 1.9m 8s primary swell from a East direction and 0.5m 10s secondary swell from a North direction, 0.1m 10s secondary swell from a West direction (forecast issued at 07:00pm September 24). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Sep) | 6.5ft (2.0m) | 8s |
| Afternoon (25 Sep) | 6.5ft (2.0m) | 8s |
| Evening (25 Sep) | 8ft (2.5m) | 8s |
Table - waves today at Waipio Valley. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Fri afternoon. Warm (max 28°C on Sun afternoon, min 25°C on Fri afternoon). Mainly strong winds. | |||||||||||||||||||
Thu 24 | Friday 25 | Saturday 26 | |||||||||||||||||
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 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 9 | ENE 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 520 | 470 | 466 | 454 | 458 | 496 | 471 | 510 | 463 | 601 | 923 | 1018 | 970 | 970 | 1119 | 993 | 908 | 1128 | 1374 |
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-on | cross-on | cross-on | cross |
High Tide | 2:01AM0.71m | 2:08PM0.80m | 2:38AM0.78m | 2:34PM0.76m | |||||||||||||||
Low Tide | 8:05PM0.19m | 7:56AM0.19m | 8:25PM0.14m | 8:38AM0.21m | 8:48PM0.11m | ||||||||||||||
 |  | |  | |  | |  | |  | | | | | | | |  | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | — | — | — | — | — | — | — | 1 | 3 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Temp °C | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 |
Feels °C | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 24 | 24 | 24 | 23 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | N 10 | N 10 | N 10 | N 10 | N 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | WNW 16 |
| kJ | 50 | 49 | 48 | 47 | 45 | 28 | 28 | 28 | 28 | 27 | 27 | 16 | 14 | 14 | 13 | 14 | 14 | 14 | 25 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | NW 20 | NW 19 | NW 19 | NW 18 | WNW 18 | NW 18 | NW 16 | WNW 16 | N 9 |
| kJ | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 15 | 15 | 14 | 12 | 31 | 12 | 11 | 25 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | E 13 | W 17 | W 17 | W 16 | W 10 | W 21 | W 21 | W 20 | W 9 | W 9 | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 | W 15 |
| kJ | — | — | 3 | 6 | 6 | 5 | 2 | 9 | 9 | 8 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 4 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 9 | ENE 9 |
| kJ | 520 | 470 | 466 | 454 | 458 | 496 | 471 | 510 | 463 | 601 | 923 | 1018 | 970 | 970 | 1119 | 993 | 908 | 1128 | 1374 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 59 | 59 | 27 | 27 | 27 | 59 | 67 | 59 | 27 | 59 | 59 | 59 | 27 | 27 | 29 | 29 | 67 | 59 | 59 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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