Surf Forecasts:
How big are the waves at Kua Bay today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 2.5ft (0.8m), 6s period with NNE swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 3ft (0.9m), 6s period with NNE swell.
- Evening surf: Evening surf (21 Sep, local time) - 2.5ft (0.8m), 5s period with NNE swell.
The current surf forecast for Kua Bay at 5PM is: 0.9m 5s primary swell from a North-northeast direction (forecast issued at 01:00pm September 21). An open ocean swell of 0.3m 13s is not directed at the surf break, a second open ocean swell of 0.2m 8s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 2.5ft (0.8m) | 6s |
| Afternoon (21 Sep) | 3ft (0.9m) | 6s |
| Evening (21 Sep) | 2.5ft (0.8m) | 5s |
Table - waves today at Kua Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Thu morning. Warm (max 28°C on Mon afternoon, min 26°C on Mon night). Wind will be generally light. | |||||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 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) | NNE 6 | NNE 6 | NNE 5 | NNE 5 | SSW 13 | NNE 5 | NNE 5 | N 14 | N 13 | N 13 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NE 6 | SW 17 | NNW 11 | NNW 11 | SW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 41 | 51 | 42 | 31 | 0 | 0 | 0 | 14 | 31 | 51 | 49 | 47 | 45 | 40 | 40 | 24 | 38 | 44 | 22 | 23 | 39 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | glassy | glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | on | cross | glassy | glassy | glassy |
High Tide | 12:56PM0.68m | 1:27AM0.37m | 1:31PM0.70m | 1:59AM0.44m | 2:03PM0.71m | ||||||||||||||||
Low Tide | 8:07PM0.16m | 6:35AM0.18m | 8:24PM0.14m | 7:25AM0.15m | 8:41PM0.11m | ||||||||||||||||
 |  | |  |  | | | | | | | | | | | | |  | | | | |
 | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | 6:21 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:19 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — |
Temp °C | 28 | 28 | 28 | 28 | 27 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 27 | 27 | 27 | 26 |
Feels °C | 31 | 30 | 32 | 32 | 31 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 32 | 31 | 31 | 32 | 32 | 31 | 31 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | SSW 13 | SSW 13 | SSW 13 | NNE 5 | NNE 5 | NNE 5 | NE 8 | NE 7 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | ENE 9 | NNE 6 | NNE 6 | NE 6 | NE 5 |
| kJ | 13 | 35 | 34 | 34 | 24 | 25 | 26 | 64 | 54 | 66 | 68 | 43 | 35 | 47 | 47 | 32 | 15 | 40 | 40 | 31 | 29 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | ENE 8 | ENE 8 | NE 8 | NE 8 | NE 8 | NE 8 | N 14 | N 13 | N 13 | NNW 12 | NE 8 | NE 8 | NNW 11 | NNW 11 | NE 9 | NNW 10 | ENE 9 | NNW 11 | ENE 8 | N 11 |
| kJ | 35 | 6 | 7 | 9 | 16 | 16 | 16 | 14 | 31 | 51 | 49 | 29 | 16 | 40 | 40 | 21 | 22 | 15 | 22 | 12 | 20 |
Swell 3 Height (m) Direction Period (s) | SSW 14 | ENE 8 | ENE 8 | E 8 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | NNW 12 | NNW 12 | W 12 | W 12 | NNW 11 | SSW 17 | SW 17 | ENE 8 | NNW 11 | SW 16 |
| kJ | 19 | 7 | 6 | 6 | 34 | 16 | 16 | 15 | 15 | 14 | 14 | 47 | 45 | 11 | 11 | 24 | 29 | 44 | 14 | 23 | 39 |
Wind waves Height (m) Direction Period (s) | NNE 6 | NNE 6 | NNE 5 | NNE 5 | — | — | — | — | — | — | — | — | — | — | — | — | NE 6 | — | — | — | — |
| kJ | 41 | 51 | 42 | 31 | — | — | — | — | — | — | — | — | — | — | — | — | 38 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 98 | 100 | 14 | 4 | 4 | 14 | 19 | 19 | 100 | 112 | 112 | 100 | 14 | 14 | 14 | 14 | 100 | 19 | 4 | 4 | 4 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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