Surf Forecasts:
How big are the waves at Waipio Valley today (18 Oct):
- Afternoon surf: Afternoon surf (18 Oct, local time) - 3.5ft (1.0m), 12s period with N swell.
- Evening surf: Evening surf (18 Oct, local time) - 6ft (1.9m), 7s period with ENE swell.
The current surf forecast for Waipio Valley at 11PM is: 1.9m 7s primary swell from a East-northeast direction and 0.9m 11s secondary swell from a North-northwest direction, 0.3m 13s secondary swell from a Northwest direction (forecast issued at 07:00pm October 18). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | - | - |
| Afternoon (18 Oct) | 3.5ft (1.0m) | 12s |
| Evening (18 Oct) | 6ft (1.9m) | 7s |
Table - waves today at Waipio Valley. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Sun night. Warm (max 27°C on Mon morning, min 23°C on Tue night). Mainly fresh winds. | |||||||||||||||||||
Sun 18 | Monday 19 | Tuesday 20 | |||||||||||||||||
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) | N 12 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 310 | 344 | 390 | 400 | 373 | 368 | 368 | 408 | 164 | 345 | 411 | 411 | 400 | 397 | 373 | 373 | 383 | 358 | 346 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 9:15PM0.37m | 10:21AM0.73m | 11:09PM0.44m | 11:07AM0.74m | |||||||||||||||
Low Tide | 6:00PM0.35m | 2:05AM0.32m | 6:01PM0.31m | 3:58AM0.33m | 6:13PM0.27m | ||||||||||||||
 |  | |  |  |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — |
mm | 1 | 1 | 1 | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 24 | 24 | 25 | 27 | 27 | 25 | 25 | 25 | 24 | 24 | 25 | 26 | 26 | 25 | 24 | 24 |
Feels °C | 25 | 23 | 25 | 23 | 23 | 23 | 26 | 26 | 23 | 23 | 24 | 23 | 22 | 23 | 23 | 24 | 23 | 21 | 22 |
Swell 1 Height (m) Direction Period (s) | N 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | N 11 | N 11 | NE 8 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 |
| kJ | 284 | 224 | 217 | 202 | 158 | 158 | 151 | 116 | 160 | 86 | 85 | 85 | 59 | 59 | 58 | 37 | 35 | 35 | 34 |
Swell 2 Height (m) Direction Period (s) | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | N 11 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 11 | NNW 10 | NW 10 | NW 10 | NW 10 |
| kJ | 33 | 31 | 28 | 28 | 27 | 26 | 23 | 23 | 119 | 22 | 20 | 19 | 19 | 19 | 11 | 11 | 4 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | S 16 | E 12 | E 12 | E 12 | E 15 | E 15 | E 11 | E 13 | NW 12 | E 13 | E 13 | — | E 12 | E 12 | E 12 | — | N 15 | E 11 | E 11 |
| kJ | 5 | 3 | 3 | 3 | 4 | 4 | 2 | 3 | 23 | 3 | 3 | — | 3 | 3 | 3 | — | 4 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 310 | 344 | 390 | 400 | 373 | 368 | 368 | 408 | 164 | 345 | 411 | 411 | 400 | 397 | 373 | 373 | 383 | 358 | 346 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 39 | 42 | 31 | 31 | 34 | 31 | 71 | 71 | 107 | 59 | 59 | 59 | 59 | 59 | 71 | 71 | 71 | 59 | 59 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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