Surf Forecasts:
How big are the waves at Waipio Bay today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 3ft (0.9m), 9s period with NNE swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 3ft (0.9m), 9s period with NNE swell.
- Evening surf: Evening surf (13 Sep, local time) - 3ft (0.9m), 9s period with NNE swell.
The current surf forecast for Waipio Bay at 9PM is: 0.9m 9s primary swell from a North-northeast direction and 0.2m 8s secondary swell from a East-southeast direction, 0.5m 8s secondary swell from a East-northeast direction (forecast issued at 01:00pm September 13). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 3ft (0.9m) | 9s |
| Afternoon (13 Sep) | 3ft (0.9m) | 9s |
| Evening (13 Sep) | 3ft (0.9m) | 9s |
Table - waves today at Waipio Bay. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Mon night. Warm (max 28°C on Tue morning, min 25°C on Sun night). Wind will be generally light. | |||||||||||||||||||||
Sun 13 | Monday 14 | Tuesday 15 | |||||||||||||||||||
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) | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NNE 8 | E 13 | E 12 | E 12 | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 138 | 135 | 121 | 135 | 110 | 120 | 118 | 115 | 100 | 112 | 69 | 58 | 53 | 48 | 72 | 69 | 66 | 418 | 85 | 84 | 79 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | 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 | 3:51PM0.69m | 4:53AM0.79m | 4:10PM0.62m | 5:36AM0.77m | 4:24PM0.56m | ||||||||||||||||
Low Tide | 10:15AM0.29m | 10:09PM0.13m | 11:00AM0.35m | 10:33PM0.15m | 11:51AM0.41m | 10:59PM0.17m | |||||||||||||||
 |  | |  | | | | | | | |  |  | | | | | | | | | |
 | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | 6:27 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:24 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 27 | 27 | 26 |
Feels °C | 29 | 29 | 29 | 28 | 27 | 28 | 28 | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 27 | 30 | 29 | 28 | 29 | 27 |
Swell 1 Height (m) Direction Period (s) | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NE 8 | NNE 8 | NNE 8 | E 11 | NNE 8 | E 11 |
| kJ | 138 | 135 | 121 | 135 | 110 | 120 | 118 | 115 | 100 | 112 | 69 | 58 | 42 | 41 | 41 | 62 | 41 | 22 | 85 | 51 | 79 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 6 | E 6 | ESE 6 | E 14 | E 13 | E 13 | E 12 | E 12 | E 12 | E 12 | N 10 | N 8 | E 11 | NNE 8 |
| kJ | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 4 | 6 | 4 | 34 | 31 | 53 | 48 | 72 | 69 | 66 | 8 | 33 | 84 | 44 |
Swell 3 Height (m) Direction Period (s) | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | ESE 8 | SE 8 | E 14 | SE 8 | SE 8 | N 10 | N 10 | NNE 10 | NNE 10 | W 9 | W 9 | N 10 | N 10 | N 9 |
| kJ | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 6 | 3 | 16 | 3 | 2 | 8 | 8 | 10 | 9 | 2 | 2 | 8 | 2 | 7 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | — | — | — | — | NE 5 | NE 6 | ENE 5 | ENE 5 | ENE 5 | E 6 | E 4 | E 11 | E 4 | E 4 | E 7 |
| kJ | 55 | 54 | 39 | 38 | 38 | — | — | — | — | — | 29 | 31 | 37 | 32 | 33 | 19 | 38 | 418 | 50 | 27 | 56 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 103 | 71 | 81 | 64 | 64 | 53 | 53 | 53 | 71 | 71 | 71 | 53 | 64 | 64 | 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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