Surf Forecasts:
How big are the waves at Waipio Valley today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 6ft (1.8m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 5.5ft (1.7m), 8s period with ENE swell.
- Evening surf: Evening surf (21 Sep, local time) - 5.5ft (1.7m), 8s period with ENE swell.
The current surf forecast for Waipio Valley at 5PM is: 1.7m 8s primary swell from a East-northeast direction and 0.2m 10s secondary swell from a North-northwest direction, 0.1m 11s secondary swell from a West direction (forecast issued at 01:00pm September 21). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 6ft (1.8m) | 8s |
| Afternoon (21 Sep) | 5.5ft (1.7m) | 8s |
| Evening (21 Sep) | 5.5ft (1.7m) | 8s |
Table - waves today at Waipio Valley. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 34mm), heaviest during Thu morning. Warm (max 28°C on Tue morning, min 26°C on Mon night). Mainly fresh winds. | |||||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||||||
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 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 445 | 398 | 389 | 389 | 367 | 412 | 403 | 461 | 613 | 800 | 845 | 983 | 1013 | 928 | 910 | 813 | 780 | 747 | 656 | 642 | 575 |
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 | cross | cross | 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 |
High Tide | 12:20PM0.79m | 00:08AM0.48m | 12:50PM0.82m | 00:47AM0.55m | 1:17PM0.83m | ||||||||||||||||
Low Tide | 7:16PM0.31m | 5:47AM0.21m | 7:29PM0.27m | 6:33AM0.19m | 7:46PM0.23m | ||||||||||||||||
 | | |  |  | | |  | | | | | | |  |  | | | | |  | |
 | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | 6:19 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:16 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Temp °C | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 26 |
Feels °C | 28 | 28 | 29 | 27 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 27 | 27 | 28 | 27 | 27 | 27 | 26 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | 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 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 |
| kJ | 10 | 10 | 10 | 9 | 9 | 9 | 36 | 59 | 87 | 110 | 150 | 145 | 130 | 126 | 123 | 123 | 86 | 82 | 83 | 83 | 80 |
Swell 2 Height (m) Direction Period (s) | 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 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 |
| kJ | 3 | 3 | 3 | 2 | 10 | 17 | 8 | 8 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 11 | 9 | 9 | 9 | 9 | 9 |
Swell 3 Height (m) Direction Period (s) | W 12 | W 12 | N 17 | N 16 | N 15 | W 11 | W 11 | W 13 | NNW 9 | — | W 10 | W 10 | — | W 12 | S 13 | — | — | — | — | E 15 | E 15 |
| kJ | 3 | 3 | 6 | 5 | 5 | 10 | 10 | 3 | 8 | — | 2 | 2 | — | 11 | 3 | — | — | — | — | 4 | 4 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | 445 | 398 | 389 | 389 | 367 | 412 | 403 | 461 | 613 | 800 | 845 | 983 | 1013 | 928 | 910 | 813 | 780 | 747 | 656 | 642 | 575 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 102 | 104 | 67 | 59 | 59 | 67 | 68 | 68 | 71 | 112 | 112 | 71 | 67 | 67 | 67 | 67 | 71 | 68 | 59 | 59 | 59 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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