Surf Forecasts:
How big are the waves at Kahalu'u Beach Park today (17 Oct):
- Morning surf: Morning surf (17 Oct, local time) - 1.5ft (0.5m), 14s period with S swell.
- Afternoon surf: Afternoon surf (17 Oct, local time) - 2ft (0.6m), 14s period with S swell.
- Evening surf: Evening surf (17 Oct, local time) - 1.5ft (0.5m), 13s period with S swell.
The current surf forecast for Kahalu'u Beach Park at 9PM is: 0.5m 13s primary swell from a South direction and 0.2m 15s secondary swell from a West-northwest direction, 0.2m 4s secondary swell from a South-southwest direction (forecast issued at 01:00pm October 17). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | 1.5ft (0.5m) | 14s |
| Afternoon (17 Oct) | 2ft (0.6m) | 14s |
| Evening (17 Oct) | 1.5ft (0.5m) | 13s |
Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Sat afternoon. Warm (max 27°C on Sat afternoon, min 25°C on Sat night). Wind will be generally light. | |||||||||||||||||||||
Sat 17 | Sunday 18 | Monday 19 | |||||||||||||||||||
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) | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | SW 17 | SW 17 | SW 17 | SW 17 | S 12 | S 12 | S 12 | SW 15 | SW 15 | SW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 93 | 132 | 87 | 85 | 84 | 84 | 84 | 83 | 82 | 75 | 72 | 70 | 71 | 73 | 74 | 44 | 45 | 44 | 36 | 37 | 39 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | cross-off | cross-off | cross-off | cross-off | cross | on | on | glassy | cross-off | glassy | glassy | glassy | glassy | on | on | cross | glassy | cross-on |
High Tide | 8:41AM0.63m | 9:15PM0.25m | 9:56AM0.62m | 11:41PM0.29m | 11:00AM0.62m | ||||||||||||||||
Low Tide | 5:53PM0.23m | 00:53AM0.23m | 6:20PM0.20m | 3:04AM0.27m | 6:40PM0.18m | ||||||||||||||||
 |  |  |  | | |  | | | |  | |  | | | | | | | | | |
 | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | 5:59 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:57 | — | — |
mm | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 26 | 26 | 26 | 26 | 25 | 26 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 26 |
Feels °C | 29 | 29 | 29 | 29 | 28 | 28 | 27 | 29 | 29 | 29 | 30 | 29 | 30 | 29 | 29 | 29 | 30 | 30 | 29 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SW 16 |
| kJ | 93 | 132 | 87 | 85 | 84 | 84 | 84 | 83 | 82 | 75 | 72 | 45 | 45 | 44 | 45 | 44 | 45 | 44 | 25 | 24 | 39 |
Swell 2 Height (m) Direction Period (s) | S 10 | WNW 16 | WNW 17 | WNW 15 | WNW 15 | NW 15 | NW 16 | NW 16 | NW 14 | NW 14 | NW 14 | SW 17 | SW 17 | SW 17 | NW 13 | NW 12 | WNW 12 | NW 12 | NW 12 | SW 15 | S 11 |
| kJ | 17 | 26 | 27 | 23 | 21 | 58 | 39 | 38 | 53 | 51 | 51 | 70 | 71 | 73 | 43 | 24 | 14 | 23 | 22 | 37 | 22 |
Swell 3 Height (m) Direction Period (s) | WNW 16 | SSW 15 | NNW 11 | NNW 11 | SSW 19 | SSW 18 | SSW 18 | SSW 4 | SSW 18 | SSW 15 | SW 17 | NW 14 | NW 13 | NW 13 | SW 17 | SSW 17 | SSW 15 | SSW 15 | SW 15 | WNW 12 | WNW 11 |
| kJ | 26 | 21 | 11 | 11 | 35 | 34 | 32 | 2 | 32 | 21 | 45 | 29 | 28 | 44 | 74 | 27 | 22 | 22 | 36 | 13 | 12 |
Wind waves Height (m) Direction Period (s) | SSW 4 | — | SSW 4 | SSW 4 | SSW 4 | — | SSW 2 | — | — | — | — | — | — | NNW 5 | — | — | — | NW 4 | WSW 2 | WSW 2 | NNW 5 |
| kJ | 2 | — | 1 | 2 | 2 | — | 1 | — | — | — | — | — | — | 2 | — | — | — | 1 | 1 | 1 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 26 | 26 | 13 | 0 | 0 | 0 | 0 | 1 | 25 | 128 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 99 | 13 | 0 | 6 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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