Surf Forecasts:
How big are the waves at Waipio Valley today (09 Sep):
- Morning surf: Morning surf (09 Sep, local time) - 2.5ft (0.8m), 13s period with E swell.
- Afternoon surf: Afternoon surf (09 Sep, local time) - 4.5ft (1.4m), 8s period with ENE swell.
- Evening surf: Evening surf (09 Sep, local time) - 4.5ft (1.4m), 7s period with ENE swell.
The current surf forecast for Waipio Valley at 4AM is: 0.9m 13s primary swell from a East direction and 1.2m 9s secondary swell from a Northeast direction (forecast issued at 07:00pm September 08). An open ocean swell of 0.3m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Sep) | 2.5ft (0.8m) | 13s |
| Afternoon (09 Sep) | 4.5ft (1.4m) | 8s |
| Evening (09 Sep) | 4.5ft (1.4m) | 7s |
Table - waves today at Waipio Valley. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Wed afternoon. Warm (max 28°C on Tue night, min 25°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Tue 8 | Wednesday 9 | Thursday 10 | |||||||||||||||||
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) | NE 10 | NE 10 | NE 9 | NE 9 | E 13 | E 13 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 450 | 341 | 314 | 231 | 276 | 215 | 238 | 215 | 204 | 190 | 199 | 222 | 328 | 245 | 254 | 225 | 173 | 133 | 176 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 1:30AM0.60m | 2:09PM0.92m | 2:13AM0.67m | 2:38PM0.89m | |||||||||||||||
Low Tide | 8:11PM0.23m | 7:21AM0.10m | 8:35PM0.20m | 8:06AM0.12m | 8:58PM0.17m | ||||||||||||||
 |  |  | | | | |  |  |  | | | | | | | | | | |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — |
mm | — | — | — | — | — | — | — | 1 | 2 | 1 | 1 | — | 1 | — | — | 1 | — | — | — |
Temp °C | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 25 |
Feels °C | 34 | 34 | 33 | 32 | 31 | 31 | 31 | 32 | 31 | 31 | 29 | 29 | 28 | 27 | 29 | 29 | 28 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | NE 10 | NE 10 | NE 9 | NE 9 | NE 8 | E 13 | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | NW 10 | E 12 | NW 9 | NW 8 | E 11 | ENE 11 | ENE 11 |
| kJ | 450 | 341 | 314 | 231 | 211 | 215 | 212 | 196 | 193 | 190 | 187 | 180 | 33 | 99 | 12 | 11 | 91 | 133 | 176 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 9 | W 9 | E 13 | E 13 | W 7 | W 7 | W 7 | W 6 | NW 11 | NW 10 | NW 10 | W 6 | NW 10 | W 12 | W 12 | NW 8 | NW 8 | NW 9 |
| kJ | 333 | 210 | 123 | 222 | 276 | 27 | 23 | 14 | 7 | 30 | 36 | 34 | 2 | 32 | 3 | 3 | 11 | 9 | 13 |
Swell 3 Height (m) Direction Period (s) | E 14 | E 13 | E 13 | W 8 | W 8 | NNW 11 | NNW 12 | NW 11 | NW 11 | W 6 | W 6 | W 6 | W 12 | W 5 | SE 9 | SE 9 | W 12 | NE 8 | NNE 8 |
| kJ | 306 | 289 | 289 | 84 | 41 | 13 | 13 | 20 | 19 | 7 | 3 | 2 | 3 | 1 | 3 | 3 | 3 | 3 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | — | — | — | — | 13 | 192 | 238 | 215 | 204 | 176 | 199 | 222 | 328 | 245 | 254 | 225 | 173 | 132 | 105 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 27 | 34 | 34 | 71 | 68 | 68 | 68 | 68 | 71 | 68 | 71 | 71 | 59 | 59 | 59 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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