Surf Forecasts:
How big are the waves at Kahalu'u Beach Park today (20 Jun):
- Morning surf: Morning surf (20 Jun, local time) - 1.5ft (0.5m), 16s period with S swell.
- Afternoon surf: Afternoon surf (20 Jun, local time) - 2ft (0.6m), 15s period with S swell.
- Evening surf: Evening surf (20 Jun, local time) - 2ft (0.6m), 15s period with S swell.
The current surf forecast for Kahalu'u Beach Park at 9AM is: 0.5m 16s primary swell from a South direction and 0.6m 12s secondary swell from a South direction (forecast issued at 01:00am June 20). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jun) | 1.5ft (0.5m) | 16s |
| Afternoon (20 Jun) | 2ft (0.6m) | 15s |
| Evening (20 Jun) | 2ft (0.6m) | 15s |
Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Sat night. Warm (max 28°C on Sat afternoon, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||||||||||||
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) | S 16 | S 12 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 19 | S 19 | S 19 | S 19 | S 18 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 190 | 141 | 132 | 127 | 161 | 157 | 157 | 109 | 203 | 192 | 184 | 184 | 184 | 184 | 227 | 304 | 227 | 225 | 153 | 134 | 188 | 188 | 188 | 132 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | glassy | on | on | cross-on | on | cross-on | cross-on | cross-on | glassy | cross-on | cross-on | cross | glassy | cross-on | cross | cross | glassy | cross-on | cross | cross | glassy | cross-on |
High Tide | 8:59AM0.42m | 8:16PM0.64m | 10:18AM0.49m | 8:58PM0.55m | 11:27AM0.56m | 9:46PM0.46m | ||||||||||||||||||
Low Tide | 2:53AM0.12m | 1:42PM0.28m | 3:31AM0.12m | 3:17PM0.35m | 4:08AM0.11m | 5:15PM0.37m | ||||||||||||||||||
 | |  | | | | |  |  | | | | |  | | | | | | | | | | | |
 | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 27 | 27 | 28 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 26 | 26 | 26 | 25 | 25 | 24 | 25 | 26 | 26 | 26 | 26 | 25 |
Feels °C | 30 | 30 | 31 | 30 | 31 | 29 | 30 | 29 | 27 | 28 | 30 | 30 | 29 | 28 | 29 | 27 | 27 | 25 | 28 | 28 | 28 | 27 | 29 | 26 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 12 | S 12 | S 12 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 18 | S 13 | S 12 | S 12 | S 16 | S 16 | S 16 | S 16 | S 12 |
| kJ | 161 | 141 | 99 | 98 | 161 | 157 | 157 | 109 | 203 | 192 | 176 | 173 | 171 | 171 | 168 | 304 | 161 | 112 | 106 | 134 | 188 | 188 | 188 | 72 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 16 | S 16 | S 16 | S 12 | S 12 | S 12 | S 12 | SW 18 | S 20 | S 19 | S 19 | S 19 | S 19 | S 18 | S 13 | S 18 | S 18 | S 17 | S 12 | S 12 | S 12 | S 12 | S 16 |
| kJ | 190 | 132 | 132 | 127 | 99 | 99 | 99 | 67 | 79 | 69 | 184 | 184 | 184 | 184 | 227 | 166 | 227 | 225 | 153 | 73 | 72 | 72 | 72 | 132 |
Swell 3 Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | S 21 | S 21 | S 21 | SW 18 | SSW 17 | WNW 9 | WNW 9 | SSW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 15 | SSW 15 | SW 15 | SW 15 | SW 15 | SW 15 |
| kJ | 9 | 9 | 9 | 9 | 9 | 9 | 36 | 81 | 36 | 48 | 30 | 8 | 8 | 25 | 40 | 40 | 40 | 24 | 22 | 21 | 33 | 33 | 33 | 33 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | WNW 9 | NW 9 | WNW 9 | NW 9 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 8 | 13 | 8 | 13 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 6 | 0 | 123 | 125 | 125 | 13 | 125 | 95 | 95 | 0 | 75 | 125 | 125 | 0 | 99 | 6 | 6 | 0 | 99 | 99 | 1 | 0 | 94 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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