Surf Forecasts:
How big are the waves at Kahalu'u Beach Park today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 3.5ft (1.1m), 14s period with S swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 3.5ft (1.1m), 14s period with S swell.
- Evening surf: Evening surf (18 Jun, local time) - 3.5ft (1.0m), 14s period with S swell.
The current surf forecast for Kahalu'u Beach Park at 5AM is: 1.2m 16s primary swell from a South direction and 0.4m 10s secondary swell from a Northwest direction (forecast issued at 01:00am June 18). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | 3.5ft (1.1m) | 14s |
| Afternoon (18 Jun) | 3.5ft (1.1m) | 14s |
| Evening (18 Jun) | 3.5ft (1.0m) | 14s |
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 3mm), mostly falling on Thu night. Warm (max 27°C on Thu morning, min 25°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
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 16 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | SSW 13 | S 13 | SSW 13 | SSW 13 | SSW 13 | S 13 | S 13 | S 16 | S 12 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 724 | 697 | 610 | 508 | 508 | 501 | 501 | 405 | 372 | 290 | 276 | 286 | 229 | 229 | 166 | 163 | 190 | 144 | 132 | 127 | 161 | 157 | 155 | 109 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | on | cross | cross | glassy | cross-on | cross-on | on | cross-on | cross | cross-on | cross-on |
High Tide | 6:28AM0.34m | 6:52PM0.82m | 7:40AM0.37m | 7:34PM0.73m | 8:59AM0.42m | 8:16PM0.64m | ||||||||||||||||||
Low Tide | 1:28AM0.11m | 11:33AM0.11m | 2:12AM0.11m | 12:30PM0.19m | 2:53AM0.12m | 1:42PM0.28m | ||||||||||||||||||
 |  |  | | |  | | | |  | | | | | | | | | | | | | | | |
 | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — |
mm | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 25 |
Feels °C | 30 | 30 | 29 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 30 | 29 | 29 | 30 | 30 | 30 | 29 | 28 | 29 | 30 | 30 | 29 | 30 | 28 |
Swell 1 Height (m) Direction Period (s) | S 16 | S 16 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | SSW 13 | S 13 | SSW 13 | SSW 13 | SSW 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 15 | S 15 | S 15 | S 15 |
| kJ | 724 | 697 | 610 | 508 | 508 | 501 | 501 | 405 | 372 | 290 | 276 | 286 | 229 | 229 | 166 | 163 | 161 | 144 | 101 | 98 | 161 | 157 | 155 | 109 |
Swell 2 Height (m) Direction Period (s) | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | SSW 20 | NW 10 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 12 | S 12 | S 12 | S 12 |
| kJ | 26 | 27 | 27 | 28 | 28 | 77 | 27 | 125 | 124 | 122 | 112 | 107 | 162 | 158 | 154 | 139 | 190 | 132 | 132 | 127 | 99 | 70 | 70 | 67 |
Swell 3 Height (m) Direction Period (s) | SSW 22 | SSW 22 | SSW 21 | SSW 20 | SSW 20 | NW 10 | SSW 20 | WNW 10 | NW 10 | WNW 10 | NW 10 | WNW 10 | SW 17 | SW 18 | NW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | S 21 | S 21 |
| kJ | 45 | 45 | 43 | 81 | 78 | 28 | 76 | 20 | 25 | 19 | 15 | 9 | 12 | 12 | 15 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 36 | 81 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NW 10 | NW 9 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 23 | 23 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 123 | 123 | 125 | 125 | 94 | 75 | 94 | 99 | 99 | 128 | 99 | 13 | 1 | 0 | 6 | 6 | 123 | 128 | 125 | 94 | 125 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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