Surf Forecasts:
How big are the waves at Waipio Valley today (18 Aug):
- Afternoon surf: Afternoon surf (18 Aug, local time) - 5ft (1.6m), 8s period with ENE swell.
- Evening surf: Evening surf (18 Aug, local time) - 5ft (1.5m), 8s period with ENE swell.
The current surf forecast for Waipio Valley at 12AM is: 1.3m 8s primary swell from a East-northeast direction and 0.2m 11s secondary swell from a West direction, 0.1m 8s secondary swell from a North direction (forecast issued at 07:00pm August 17). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | - | - |
| Afternoon (18 Aug) | 5ft (1.6m) | 8s |
| Evening (18 Aug) | 5ft (1.5m) | 8s |
Table - waves today at Waipio Valley. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Wed night. Warm (max 27°C on Tue morning, min 25°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 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) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 234 | 240 | 202 | 207 | 215 | 186 | 191 | 226 | 226 | 223 | 229 | 197 | 197 | 197 | 197 | 197 | 192 | 196 | 186 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 7:19AM0.66m | 5:20PM0.57m | 8:53AM0.66m | ||||||||||||||||
Low Tide | 00:06AM0.20m | 1:00PM0.49m | 00:42AM0.22m | ||||||||||||||||
 |  | |  | | | | | | | | | | | |  | |  |  | |
 | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | 6:49 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:47 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 27 | 26 | 25 | 25 | 25 | 25 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 26 | 26 | 26 |
Feels °C | 30 | 27 | 26 | 26 | 27 | 27 | 29 | 29 | 28 | 27 | 27 | 28 | 28 | 29 | 30 | 30 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | NNE 7 | NNE 6 | NNE 6 | W 12 | W 12 |
| kJ | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 14 | 14 | 14 | 13 | 12 | 26 | 9 | 8 | 8 | 11 | 11 |
Swell 2 Height (m) Direction Period (s) | N 8 | N 8 | N 8 | N 7 | N 7 | N 7 | N 7 | W 13 | W 11 | W 11 | W 11 | N 8 | N 7 | N 7 | W 12 | W 12 | W 12 | W 7 | W 7 |
| kJ | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 14 | 9 | 9 | 9 | 1 | 4 | 8 | 25 | 25 | 25 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | W 6 | W 6 | W 6 | W 6 | W 7 | W 6 | W 14 | N 7 | N 7 | N 7 | W 6 | W 6 | W 6 | W 6 | W 6 | W 7 | W 7 | — | — |
| kJ | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 234 | 240 | 202 | 207 | 215 | 186 | 191 | 226 | 226 | 223 | 229 | 197 | 197 | 197 | 197 | 197 | 192 | 196 | 186 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 71 | 59 | 59 | 65 | 65 | 65 | 102 | 71 | 71 | 59 | 59 | 54 | 54 | 27 | 71 | 27 | 27 | 27 | 27 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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