Surf Forecasts:
How big are the waves at Waipio Valley today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 3.5ft (1.0m), 10s period with E swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 3.5ft (1.0m), 10s period with E swell.
- Evening surf: Evening surf (16 Sep, local time) - 3.5ft (1.1m), 10s period with E swell.
The current surf forecast for Waipio Valley at 10AM is: 1.0m 10s primary swell from a East direction and 0.2m 9s secondary swell from a North direction, 0.7m 7s secondary swell from a Northeast direction (forecast issued at 01:00am September 16). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 3.5ft (1.0m) | 10s |
| Afternoon (16 Sep) | 3.5ft (1.0m) | 10s |
| Evening (16 Sep) | 3.5ft (1.1m) | 10s |
Table - waves today at Waipio Valley. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Thu afternoon. Warm (max 29°C on Fri morning, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | ||||||||||||||||||||||
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 | 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 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 208 | 200 | 200 | 162 | 196 | 192 | 194 | 284 | 326 | 432 | 672 | 761 | 908 | 704 | 659 | 548 | 497 | 488 | 439 | 476 | 526 | 476 | 488 | 488 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 6:28AM0.74m | 4:28PM0.51m | 7:40AM0.70m | 9:21AM0.69m | ||||||||||||||||||||
Low Tide | 1:04PM0.46m | 11:29PM0.20m | 00:12AM0.24m | |||||||||||||||||||||
 | |  | | |  |  | | | | |  | | | |  | | | | | | | | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | 2 | 2 | 1 | — | — | — | — | — | — | 1 | — | — |
Temp °C | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 29 | 29 | 28 | 26 | 26 |
Feels °C | 28 | 28 | 29 | 30 | 30 | 29 | 29 | 30 | 30 | 30 | 29 | 30 | 30 | 28 | 28 | 28 | 27 | 27 | 27 | 29 | 29 | 28 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | NNE 8 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 |
| kJ | 44 | 200 | 200 | 162 | 196 | 192 | 194 | 284 | 326 | 432 | 672 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | W 11 | NNE 7 | NNE 7 | N 9 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 6 | NNE 6 | W 10 | W 10 | W 10 | W 10 | W 10 | SW 16 | SW 16 | SW 18 | SW 18 | — | N 12 | N 11 | W 17 | SW 17 |
| kJ | 2 | 48 | 43 | 7 | 27 | 83 | 81 | 68 | 78 | 78 | 2 | 2 | 2 | 2 | 2 | 10 | 10 | 12 | 12 | — | 3 | 3 | 6 | 11 |
Swell 3 Height (m) Direction Period (s) | W 8 | N 10 | NE 7 | NE 7 | N 9 | NNE 9 | W 10 | NNE 9 | NNE 9 | NNE 8 | W 9 | SW 16 | — | — | W 16 | W 10 | — | — | — | — | — | W 17 | — | N 10 |
| kJ | 1 | 7 | 2 | 2 | 7 | 15 | 2 | 16 | 15 | 14 | 1 | 10 | — | — | 5 | 2 | — | — | — | — | — | 6 | — | 2 |
Wind waves Height (m) Direction Period (s) | E 10 | — | — | NE 7 | NE 6 | — | — | — | — | — | — | ENE 9 | ENE 9 | ENE 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 208 | — | — | 53 | 38 | — | — | — | — | — | — | 761 | 908 | 704 | 659 | 548 | 497 | 488 | 439 | 476 | 526 | 476 | 488 | 488 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 68 | 68 | 69 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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