Surf Forecasts:
How big are the waves at Kua Bay today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 1.5ft (0.4m), 10s period with WNW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 1.5ft (0.5m), 11s period with W swell.
- Evening surf: Evening surf (21 Aug, local time) - 1.5ft (0.5m), 10s period with W swell.
The current surf forecast for Kua Bay at 9PM is: 0.5m 10s primary swell from a West direction (forecast issued at 01:00pm August 21). An open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 1.5ft (0.4m) | 10s |
| Afternoon (21 Aug) | 1.5ft (0.5m) | 11s |
| Evening (21 Aug) | 1.5ft (0.5m) | 10s |
Table - waves today at Kua Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sun night. Warm (max 29°C on Mon morning, min 26°C on Fri night). Wind will be generally light. | |||||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||
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) | W 10 | W 11 | W 11 | W 10 | W 10 | W 10 | WNW 10 | WNW 10 | SW 15 | WNW 10 | W 11 | W 10 | W 10 | WNW 10 | NW 12 | WNW 10 | WNW 12 | WNW 11 | WNW 11 | SW 14 | WNW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 52 | 58 | 59 | 56 | 51 | 50 | 33 | 33 | 37 | 36 | 57 | 54 | 53 | 58 | 37 | 59 | 75 | 68 | 44 | 40 | 19 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | glassy | glassy | glassy | glassy | glassy | cross | cross | cross-off | glassy | glassy | glassy | glassy | glassy | on | cross-on | cross | glassy | glassy |
High Tide | 12:03PM0.64m | 11:29PM0.26m | 12:58PM0.68m | 00:53AM0.29m | 1:40PM0.72m | ||||||||||||||||
Low Tide | 8:38PM0.25m | 4:44AM0.18m | 8:45PM0.21m | 5:58AM0.15m | 9:01PM0.18m | ||||||||||||||||
 | | |  |  | | |  | | | | | | | | | | | | |  | |
 | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 |
Feels °C | 31 | 31 | 31 | 32 | 32 | 31 | 30 | 32 | 31 | 31 | 31 | 32 | 32 | 31 | 31 | 32 | 31 | 31 | 31 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | NNE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NNE 6 | NE 5 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | WNW 10 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 |
| kJ | 31 | 52 | 65 | 65 | 52 | 46 | 26 | 20 | 46 | 68 | 70 | 64 | 54 | 39 | 39 | 59 | 52 | 73 | 64 | 54 | 51 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 11 | W 11 | W 10 | W 10 | W 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | W 11 | W 10 | W 10 | WNW 10 | WNW 10 | SW 15 | WNW 12 | WNW 11 | WNW 11 | WNW 10 | WNW 10 |
| kJ | 52 | 58 | 59 | 56 | 51 | 50 | 33 | 33 | 33 | 36 | 57 | 54 | 53 | 58 | 33 | 34 | 75 | 68 | 44 | 40 | 19 |
Swell 3 Height (m) Direction Period (s) | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | NW 12 | ENE 8 | SW 15 | SW 14 | SSW 14 | SW 14 | SSW 14 |
| kJ | 72 | 67 | 65 | 64 | 64 | 64 | 64 | 64 | 37 | 62 | 63 | 62 | 62 | 58 | 37 | 6 | 34 | 33 | 21 | 33 | 20 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 6 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 35 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 32 | 30 | 30 | 14 | 20 | 14 | 14 | 4 | 32 | 30 | 30 | 4 | 4 | 4 | 4 | 0 | 30 | 26 | 18 | 4 | 4 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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