Surf Forecasts:
How big are the waves at Waipio Bay today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 3.5ft (1.1m), 7s period with NE swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 3.5ft (1.0m), 7s period with NE swell.
- Evening surf: Evening surf (20 Aug, local time) - 3ft (0.9m), 7s period with NE swell.
The current surf forecast for Waipio Bay at 12PM is: 0.9m 7s primary swell from a North-northeast direction and 0.7m 7s secondary swell from a East direction (forecast issued at 07:00am August 20). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 3.5ft (1.1m) | 7s |
| Afternoon (20 Aug) | 3.5ft (1.0m) | 7s |
| Evening (20 Aug) | 3ft (0.9m) | 7s |
Table - waves today at Waipio Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Fri morning, min 26°C on Thu morning). Winds increasing (calm on Thu morning, fresh winds from the E by Sat afternoon). | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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) | ENE 7 | NE 7 | NNE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NNE 7 | ENE 7 | ENE 7 | E 5 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 134 | 122 | 90 | 93 | 91 | 67 | 69 | 55 | 47 | 78 | 197 | 170 | 190 | 134 | 204 | 188 | 187 | 230 | 303 | 332 | 368 | 334 | 377 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-on | on | cross-on | cross-on | cross-on | cross-on | 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 |
High Tide | 10:43AM0.69m | 11:52AM0.74m | 12:36PM0.79m | ||||||||||||||||||||
Low Tide | 2:58AM0.24m | 4:24AM0.22m | 8:02PM0.38m | ||||||||||||||||||||
 |  |  |  | | |  | | | | | | | | | | | | | | | | | |
 | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 29 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 26 | 26 |
Feels °C | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 30 | 29 | 29 | 30 | 29 | 28 | 29 | 27 | 26 | 26 | 27 | 28 | 27 | 26 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | ENE 7 | NE 7 | NNE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NNE 7 | ENE 7 | W 10 | W 10 | W 11 | NNE 7 | W 10 | NNE 6 | W 10 | W 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 134 | 122 | 90 | 93 | 91 | 67 | 67 | 55 | 41 | 78 | 31 | 35 | 37 | 18 | 32 | 14 | 17 | 17 | 19 | 19 | 20 | 22 | 22 |
Swell 2 Height (m) Direction Period (s) | W 11 | W 11 | E 7 | E 8 | E 8 | W 11 | W 11 | E 8 | E 8 | W 10 | W 9 | W 9 | W 9 | W 11 | NNE 7 | W 10 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 |
| kJ | 10 | 9 | 51 | 40 | 41 | 9 | 21 | 35 | 47 | 18 | 1 | 2 | 2 | 36 | 15 | 31 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | W 7 | SE 9 | W 11 | W 11 | W 11 | W 8 | W 8 | W 11 | W 10 | N 8 | N 8 | N 8 | N 8 | W 9 | W 9 | W 9 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 |
| kJ | 1 | 3 | 9 | 9 | 9 | 5 | 5 | 21 | 18 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | E 8 | E 8 | E 4 | E 4 | E 8 | ENE 7 | E 5 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 |
| kJ | — | — | — | — | — | 43 | 69 | 10 | 16 | 50 | 197 | 170 | 190 | 134 | 204 | 188 | 187 | 230 | 303 | 332 | 368 | 334 | 377 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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