Surf Forecasts:
How big are the waves at Kahalu'u Beach Park today (18 Oct):
- Afternoon surf: Afternoon surf (18 Oct, local time) - 1.5ft (0.5m), 12s period with S swell.
- Evening surf: Evening surf (18 Oct, local time) - 1.5ft (0.4m), 17s period with SW swell.
The current surf forecast for Kahalu'u Beach Park at 11PM is: 0.4m 17s primary swell from a Southwest direction and 0.4m 12s secondary swell from a South direction (forecast issued at 07:00pm October 18). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | - | - |
| Afternoon (18 Oct) | 1.5ft (0.5m) | 12s |
| Evening (18 Oct) | 1.5ft (0.4m) | 17s |
Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Sun night. Warm (max 27°C on Sun night, min 25°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sun 18 | Monday 19 | Tuesday 20 | |||||||||||||||||
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) | S 12 | SW 17 | SW 17 | SW 17 | NW 13 | S 12 | S 12 | SSW 12 | S 12 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | S 18 | S 18 | S 18 | S 18 | S 17 |
Wave Graph  | |||||||||||||||||||
 kJ | 72 | 70 | 71 | 73 | 45 | 44 | 44 | 47 | 44 | 37 | 39 | 64 | 65 | 41 | 25 | 25 | 25 | 24 | 23 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | glassy | glassy | glassy | cross-on | on | cross-on | cross-off | cross | cross | glassy | cross-off | cross-on | cross-on | cross-on | cross-off | cross |
High Tide | 11:41PM0.29m | 11:00AM0.62m | 00:29AM0.36m | 11:50AM0.63m | |||||||||||||||
Low Tide | 6:20PM0.20m | 3:04AM0.27m | 6:40PM0.18m | 4:55AM0.27m | 6:58PM0.15m | ||||||||||||||
 |  |  | | |  | | |  | |  | | | | | | | | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | 5:58 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:57 | — | — |
mm | 1 | 1 | — | 1 | 1 | — | — | — | — | 1 | — | 1 | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 26 | 26 | 26 | 25 |
Feels °C | 31 | 31 | 29 | 29 | 28 | 29 | 29 | 30 | 30 | 28 | 29 | 27 | 28 | 28 | 29 | 27 | 28 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 12 | S 12 | S 12 | SW 16 | SW 16 | SW 16 | SW 16 | S 11 | S 11 | S 11 | SSW 15 | S 11 |
| kJ | 72 | 45 | 45 | 44 | 45 | 44 | 44 | 47 | 44 | 24 | 39 | 64 | 65 | 41 | 21 | 21 | 21 | 21 | 21 |
Swell 2 Height (m) Direction Period (s) | NW 14 | SW 17 | SW 17 | SW 17 | NW 13 | NW 12 | WNW 12 | NW 12 | SW 15 | SW 15 | S 11 | S 11 | S 11 | S 11 | SSW 15 | SSW 14 | SSW 14 | S 11 | SSW 15 |
| kJ | 51 | 70 | 71 | 73 | 43 | 24 | 14 | 23 | 36 | 37 | 22 | 21 | 21 | 21 | 21 | 19 | 20 | 21 | 23 |
Swell 3 Height (m) Direction Period (s) | SW 17 | NW 14 | NW 13 | NW 13 | SW 17 | SSW 16 | SSW 15 | SSW 15 | NW 12 | WNW 12 | WNW 11 | WNW 11 | NNW 3 | S 15 | S 18 | S 18 | S 18 | S 18 | S 17 |
| kJ | 46 | 29 | 28 | 44 | 45 | 27 | 22 | 22 | 22 | 13 | 12 | 12 | 1 | 17 | 25 | 25 | 25 | 24 | 23 |
Wind waves Height (m) Direction Period (s) | — | SSW 2 | — | SW 2 | — | — | SSW 3 | — | S 5 | SSW 2 | NW 5 | NW 2 | — | — | NW 4 | WNW 3 | WNW 3 | WNW 3 | NW 4 |
| kJ | — | 1 | — | 1 | — | — | 1 | — | 2 | 1 | 1 | 1 | — | — | 1 | 1 | 1 | 1 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 25 | 25 | 0 | 0 | 25 | 6 | 0 | 1 | 25 | 99 | 0 | 0 | 0 | 6 | 0 | 0 | 25 | 99 | 0 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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