Surf Forecasts:
How big are the waves at Waipio Valley today (28 Sep):
- Morning surf: Morning surf (28 Sep, local time) - 7ft (2.2m), 8s period with E swell.
- Afternoon surf: Afternoon surf (28 Sep, local time) - 7.5ft (2.3m), 8s period with E swell.
- Evening surf: Evening surf (28 Sep, local time) - 6.5ft (2.0m), 8s period with E swell.
The current surf forecast for Waipio Valley at 12PM is: 2.3m 8s primary swell from a East direction and 0.7m 15s secondary swell from a North-northwest direction, 0.3m 16s secondary swell from a East direction (forecast issued at 07:00am September 28). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Sep) | 7ft (2.2m) | 8s |
| Afternoon (28 Sep) | 7.5ft (2.3m) | 8s |
| Evening (28 Sep) | 6.5ft (2.0m) | 8s |
Table - waves today at Waipio Valley. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Wed afternoon. Warm (max 28°C on Mon afternoon, min 25°C on Mon night). Wind will be generally light. | |||||||||||||||||||||||
Monday 28 | Tuesday 29 | Wednesday 30 | |||||||||||||||||||||
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 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 14 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 655 | 659 | 650 | 719 | 709 | 539 | 500 | 439 | 393 | 349 | 386 | 386 | 386 | 343 | 302 | 298 | 260 | 260 | 224 | 223 | 219 | 253 | 253 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | glassy | cross-on | cross-on | cross | cross | cross |
High Tide | 3:58AM0.87m | 3:27PM0.65m | 4:43AM0.88m | 3:53PM0.59m | 5:34AM0.87m | 4:18PM0.53m | |||||||||||||||||
Low Tide | 10:09AM0.29m | 9:42PM0.07m | 11:01AM0.35m | 10:14PM0.07m | 12:06PM0.40m | 10:51PM0.10m | |||||||||||||||||
 |  | |  | |  | | | | | | | | | | | | | | |  | | | |
 | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:10 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Temp °C | 26 | 26 | 27 | 28 | 27 | 26 | 25 | 25 | 25 | 26 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 27 | 26 | 26 |
Feels °C | 25 | 25 | 26 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 31 | 32 | 30 | 30 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | NNW 16 | NNW 16 | NNW 16 | NNW 15 | NNW 14 | NNW 14 | NNW 13 | E 14 | E 14 | E 13 | E 13 | E 14 | E 14 | E 13 | E 13 | E 14 | E 14 | E 14 | E 13 | W 10 | W 10 | W 10 | E 8 |
| kJ | 175 | 226 | 217 | 191 | 178 | 170 | 120 | 140 | 131 | 125 | 173 | 186 | 186 | 153 | 168 | 195 | 257 | 192 | 123 | 72 | 69 | 66 | 253 |
Swell 2 Height (m) Direction Period (s) | NW 12 | E 16 | E 16 | NW 12 | W 12 | E 14 | E 14 | NNW 13 | NNW 13 | NNW 13 | NW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | WSW 10 | W 10 | W 10 | E 11 | E 14 | E 14 | W 9 |
| kJ | 23 | 20 | 45 | 6 | 3 | 103 | 148 | 114 | 113 | 111 | 75 | 57 | 56 | 56 | 55 | 54 | 32 | 52 | 71 | 61 | 96 | 101 | 60 |
Swell 3 Height (m) Direction Period (s) | E 16 | — | W 14 | SW 12 | E 18 | SW 10 | SW 12 | SW 11 | E 10 | E 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 10 | WSW 10 | NNW 11 | NW 11 | NW 11 | E 14 | E 11 | NW 11 | NNW 10 |
| kJ | 20 | — | 4 | 5 | 6 | 4 | 6 | 4 | 18 | 8 | 9 | 9 | 8 | 7 | 20 | 32 | 48 | 30 | 30 | 92 | 61 | 30 | 21 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — |
| kJ | 655 | 659 | 650 | 719 | 709 | 539 | 500 | 439 | 393 | 349 | 386 | 386 | 386 | 343 | 302 | 298 | 260 | 260 | 224 | 223 | 219 | 253 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 66 | 66 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 34 | 27 | 27 | 27 | 27 | 0 | 0 | 6 | 34 | 27 | 27 | 27 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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