Surf Forecasts:
How big are the waves at Waipio Valley today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 6ft (1.9m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 6ft (1.9m), 8s period with ENE swell.
- Evening surf: Evening surf (18 Jul, local time) - 5.5ft (1.7m), 8s period with E swell.
The current surf forecast for Waipio Valley at 1AM is: 1.6m 7s primary swell from a East direction and 0.5m 8s secondary swell from a North direction, 0.5m 6s secondary swell from a Northeast direction (forecast issued at 07:00pm July 17). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 6ft (1.9m) | 8s |
| Afternoon (18 Jul) | 6ft (1.9m) | 8s |
| Evening (18 Jul) | 5.5ft (1.7m) | 8s |
Table - waves today at Waipio Valley. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Sat morning, min 24°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Fri 17 | Saturday 18 | Sunday 19 | |||||||||||||||||
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 6 | E 6 | E 7 | E 7 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 156 | 141 | 193 | 250 | 362 | 397 | 473 | 497 | 448 | 393 | 349 | 302 | 260 | 260 | 253 | 273 | 223 | 217 | 173 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross | 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 |
High Tide | 5:44AM0.55m | 5:53PM0.81m | 6:53AM0.56m | 6:16PM0.72m | |||||||||||||||
Low Tide | 00:14AM0.23m | 11:10AM0.26m | 00:49AM0.22m | 12:00PM0.38m | |||||||||||||||
 |  | | | | | | |  | | | | | | | | | | | |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 25 | 24 | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 24 | 25 | 27 | 27 | 26 | 25 | 25 |
Feels °C | 28 | 27 | 27 | 25 | 24 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 24 | 25 | 27 | 28 | 28 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | N 8 | NNE 6 | N 8 | N 8 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | W 13 | W 13 | NNE 7 | N 7 | NNE 7 | NNE 7 | NNE 6 | W 12 | NNE 7 | NNE 8 | NNE 8 |
| kJ | 29 | 27 | 29 | 32 | 61 | 59 | 58 | 57 | 30 | 30 | 16 | 27 | 35 | 42 | 23 | 26 | 31 | 51 | 51 |
Swell 2 Height (m) Direction Period (s) | W 14 | N 8 | WNW 14 | NE 6 | NNE 8 | — | — | WNW 13 | W 13 | NNE 8 | W 13 | W 13 | W 13 | W 13 | W 12 | NNE 6 | W 12 | W 12 | W 12 |
| kJ | 101 | 29 | 64 | 20 | 19 | — | — | 34 | 30 | 14 | 30 | 30 | 30 | 29 | 27 | 32 | 11 | 11 | 11 |
Swell 3 Height (m) Direction Period (s) | — | W 14 | NNE 6 | WNW 14 | NNE 8 | — | — | — | — | N 8 | W 13 | W 13 | W 13 | W 13 | S 19 | W 12 | S 18 | W 12 | E 14 |
| kJ | — | 100 | 15 | 63 | 19 | — | — | — | — | 6 | 30 | 30 | 30 | 29 | 7 | 11 | 6 | 11 | 4 |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | E 7 | E 7 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 |
| kJ | 156 | 141 | 193 | 250 | 362 | 397 | 473 | 497 | 448 | 393 | 349 | 302 | 260 | 260 | 253 | 273 | 223 | 217 | 173 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 59 | 59 | 59 | 104 | 107 | 104 | 104 | 65 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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