Surf Forecasts:
How big are the waves at Waimanu Bay today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 4ft (1.2m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 4ft (1.2m), 8s period with ENE swell.
- Evening surf: Evening surf (19 Aug, local time) - 3.5ft (1.1m), 8s period with E swell.
The current surf forecast for Waimanu Bay at 9AM is: 1.2m 8s primary swell from a East-northeast direction and 0.3m 7s secondary swell from a North direction (forecast issued at 01:00am August 19). An open ocean swell of 0.3m 12s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 4ft (1.2m) | 8s |
| Afternoon (19 Aug) | 4ft (1.2m) | 8s |
| Evening (19 Aug) | 3.5ft (1.1m) | 8s |
Table - waves today at Waimanu Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Fri morning, min 25°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | ||||||||||||||||||||||
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) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | E 8 | E 7 | E 7 | E 7 | E 7 | NNE 7 | NNE 7 | NE 7 | NE 7 | NE 7 | E 8 | ENE 5 | ENE 6 | E 6 | ENE 7 | E 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 197 | 167 | 167 | 197 | 223 | 187 | 142 | 161 | 90 | 88 | 86 | 70 | 51 | 59 | 59 | 67 | 67 | 55 | 111 | 118 | 188 | 169 | 180 | 154 |
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-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | on | on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 8:53AM0.66m | 10:43AM0.69m | 11:52AM0.74m | |||||||||||||||||||||
Low Tide | 00:42AM0.22m | 1:35AM0.23m | 2:58AM0.24m | |||||||||||||||||||||
 | |  |  | | |  | | | | | | | | | | | | | | | | | | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:46 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 27 | 27 | 26 |
Feels °C | 27 | 28 | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 30 | 30 | 31 | 31 | 30 | 30 | 30 | 29 | 28 | 29 | 29 | 28 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | W 13 | W 12 | W 12 | NNE 7 | NNE 7 | NNE 6 | E 8 | ENE 8 | E 8 | E 7 | E 7 | E 7 | NNE 6 | NNE 7 | NNE 7 | NE 7 | NE 7 | NE 7 | NE 7 | W 11 | W 10 | W 10 | W 10 | WNW 11 |
| kJ | 30 | 12 | 25 | 9 | 9 | 14 | 142 | 161 | 90 | 88 | 86 | 70 | 45 | 59 | 59 | 67 | 67 | 55 | 47 | 35 | 33 | 32 | 34 | 38 |
Swell 2 Height (m) Direction Period (s) | N 8 | N 7 | N 7 | W 12 | W 12 | W 12 | W 12 | W 12 | NNE 6 | NNE 7 | NNE 6 | NNE 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | W 10 | N 8 | W 8 | N 8 | W 9 | NNE 7 |
| kJ | 1 | 4 | 8 | 25 | 25 | 25 | 11 | 11 | 32 | 36 | 31 | 47 | 51 | 48 | 55 | 36 | 34 | 35 | 34 | 1 | 1 | 1 | 2 | 15 |
Swell 3 Height (m) Direction Period (s) | W 6 | W 6 | W 6 | W 6 | W 7 | W 7 | W 7 | W 7 | W 11 | W 11 | W 11 | NE 7 | W 8 | W 11 | W 11 | W 11 | W 11 | W 10 | N 8 | — | N 8 | — | N 8 | W 9 |
| kJ | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 1 | 10 | 10 | 9 | 7 | 5 | 9 | 9 | 21 | 21 | 18 | 1 | — | 1 | — | 1 | 1 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NNE 6 | — | — | — | — | — | — | — | — | — | E 2 | ESE 3 | E 8 | ENE 5 | ENE 6 | E 6 | ENE 7 | E 7 |
| kJ | 197 | 167 | 167 | 197 | 223 | 187 | 29 | — | — | — | — | — | — | — | — | — | 1 | 3 | 111 | 118 | 188 | 169 | 180 | 154 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 60 | 60 | 24 | 77 | 58 | 68 | 24 | 24 | 0 | 0 | 0 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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