Surf Forecasts:
How big are the waves at Waipio Valley today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 3ft (0.9m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 4.5ft (1.3m), 11s period with E swell.
- Evening surf: Evening surf (15 Sep, local time) - 2ft (0.6m), 11s period with E swell.
The current surf forecast for Waipio Valley at 2AM is: 0.8m 8s primary swell from a Northeast direction and 0.4m 12s secondary swell from a East direction (forecast issued at 07:00pm September 14). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 3ft (0.9m) | 8s |
| Afternoon (15 Sep) | 4.5ft (1.3m) | 11s |
| Evening (15 Sep) | 2ft (0.6m) | 11s |
Table - waves today at Waipio Valley. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Thu afternoon. Warm (max 28°C on Tue morning, min 26°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Mon 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||||
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) | NNE 8 | NE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | E 12 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 86 | 126 | 104 | 86 | 72 | 103 | 383 | 418 | 85 | 84 | 79 | 210 | 200 | 200 | 244 | 290 | 234 | 234 | 373 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 5:36AM0.77m | 4:24PM0.56m | 6:28AM0.74m | 4:28PM0.51m | |||||||||||||||
Low Tide | 10:33PM0.15m | 11:51AM0.41m | 10:59PM0.17m | 1:04PM0.46m | |||||||||||||||
 |  |  | |  |  | |  | | | | | | | | | | | | |
 | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | 6:25 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 |
Temp °C | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 |
Feels °C | 31 | 30 | 30 | 30 | 30 | 29 | 30 | 31 | 29 | 27 | 28 | 28 | 28 | 29 | 30 | 30 | 28 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | NNE 8 | NE 8 | NE 8 | NE 8 | NE 8 | E 12 | NNE 8 | NNE 8 | NNE 8 | E 11 | NNE 8 | NNE 8 | E 10 | E 10 | NNE 7 | NE 7 | E 10 | E 10 | ENE 10 |
| kJ | 86 | 126 | 104 | 86 | 71 | 69 | 41 | 22 | 47 | 84 | 50 | 44 | 200 | 200 | 31 | 14 | 234 | 234 | 373 |
Swell 2 Height (m) Direction Period (s) | E 14 | E 13 | E 13 | E 12 | E 12 | NNE 10 | W 9 | N 10 | E 11 | NNE 8 | E 11 | W 11 | NNE 8 | NNE 8 | N 9 | NNE 7 | NE 7 | NE 6 | NNE 9 |
| kJ | 34 | 31 | 53 | 48 | 72 | 9 | 2 | 8 | 85 | 33 | 79 | 2 | 32 | 44 | 7 | 10 | 47 | 32 | 25 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 8 | N 10 | N 10 | NNE 10 | W 10 | W 10 | W 9 | W 9 | N 10 | N 9 | W 8 | N 10 | NE 7 | NE 8 | NNE 9 | NNE 9 | NNE 8 | NE 8 |
| kJ | 3 | 2 | 8 | 8 | 10 | 2 | 2 | 2 | 2 | 2 | 7 | 1 | 7 | 2 | 2 | 16 | 16 | 38 | 9 |
Wind waves Height (m) Direction Period (s) | ENE 5 | — | — | — | ESE 6 | ENE 8 | E 12 | E 11 | E 5 | E 4 | E 7 | E 10 | — | — | E 10 | E 10 | NNE 6 | — | — |
| kJ | 25 | — | — | — | 8 | 103 | 383 | 418 | 43 | 30 | 42 | 210 | — | — | 244 | 290 | 20 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 102 | 54 | 54 | 65 | 27 | 27 | 27 | 27 | 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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