Surf Forecasts:
How big are the waves at Kahalu'u Beach Park today (28 Aug):
- Morning surf: Morning surf (28 Aug, local time) - 2.5ft (0.7m), 14s period with S swell.
- Afternoon surf: Afternoon surf (28 Aug, local time) - 2.5ft (0.7m), 13s period with SSW swell.
- Evening surf: Evening surf (28 Aug, local time) - 2ft (0.6m), 14s period with S swell.
The current surf forecast for Kahalu'u Beach Park at 9PM is: 0.6m 13s primary swell from a South-southwest direction and 0.6m 14s secondary swell from a South direction, 0.3m 8s secondary swell from a Northwest direction (forecast issued at 01:00pm August 28). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Aug) | 2.5ft (0.7m) | 14s |
| Afternoon (28 Aug) | 2.5ft (0.7m) | 13s |
| Evening (28 Aug) | 2ft (0.6m) | 14s |
Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Fri afternoon. Warm (max 28°C on Sun morning, min 25°C on Fri night). Wind will be generally light. | |||||||||||||||||||||
Fri 28 | Saturday 29 | Sunday 30 | |||||||||||||||||||
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 | SSW 13 | S 14 | SSW 13 | SSW 13 | SSW 13 | S 13 | S 13 | S 13 | SSW 13 | SSW 12 | S 12 | SW 16 | SSW 17 | SSW 16 | SW 16 | SSW 16 | SSW 16 | S 11 | S 11 | S 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 153 | 184 | 196 | 181 | 135 | 137 | 166 | 161 | 121 | 129 | 115 | 106 | 73 | 108 | 104 | 73 | 91 | 95 | 89 | 89 | 88 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | glassy | glassy | glassy | glassy | glassy | on | on | cross-on | cross | glassy | cross-on | glassy | glassy | cross-on | on | glassy | cross-off | cross |
High Tide | 4:07PM0.74m | 4:33AM0.57m | 4:33PM0.69m | 5:12AM0.62m | 5:00PM0.63m | ||||||||||||||||
Low Tide | 9:37AM0.10m | 10:37PM0.09m | 10:19AM0.13m | 10:58PM0.07m | 11:04AM0.18m | ||||||||||||||||
 |  |  |  | | | | | | | | | |  | | | | | | | | |
 | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | 6:42 | — | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:39 | — | — |
mm | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 25 | 26 | 28 | 27 | 27 | 26 | 26 |
Feels °C | 29 | 29 | 29 | 30 | 30 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 31 | 29 | 31 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | S 14 | SSW 13 | S 14 | SSW 13 | SSW 13 | SSW 13 | S 13 | S 13 | S 13 | SSW 13 | SSW 12 | S 12 | S 12 | SSW 12 | S 12 | S 12 | S 12 | SSW 12 | S 11 | S 11 | S 11 |
| kJ | 136 | 184 | 196 | 181 | 135 | 137 | 166 | 161 | 121 | 129 | 115 | 106 | 73 | 82 | 73 | 73 | 68 | 48 | 85 | 89 | 86 |
Swell 2 Height (m) Direction Period (s) | S 14 | S 14 | SSW 13 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | SW 16 | SW 16 | SSW 17 | SSW 16 | S 12 | SSW 12 | S 12 | SSW 15 | SW 15 | SSW 15 |
| kJ | 153 | 148 | 139 | 132 | 127 | 84 | 55 | 55 | 84 | 83 | 54 | 69 | 69 | 108 | 104 | 44 | 49 | 43 | 89 | 57 | 88 |
Swell 3 Height (m) Direction Period (s) | SSW 11 | W 9 | W 10 | W 10 | SSW 19 | SSW 19 | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | W 9 | S 12 | S 12 | S 12 | SW 16 | SSW 16 | SSW 16 | SSW 20 | SSW 16 | SSW 19 |
| kJ | 47 | 7 | 8 | 8 | 35 | 35 | 51 | 81 | 49 | 43 | 43 | 7 | 45 | 44 | 44 | 65 | 91 | 95 | 75 | 48 | 73 |
Wind waves Height (m) Direction Period (s) | — | — | NW 8 | NW 8 | NW 8 | NNW 8 | — | — | — | NW 8 | NNW 8 | WSW 3 | W 3 | NNW 4 | — | — | SSE 4 | SW 2 | WSW 3 | WNW 3 | SSW 4 |
| kJ | — | — | 11 | 11 | 11 | 7 | — | — | — | 2 | 6 | 2 | 1 | 2 | — | — | 2 | 1 | 2 | 1 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 125 | 125 | 125 | 0 | 0 | 0 | 0 | 0 | 99 | 99 | 13 | 13 | 0 | 4 | 0 | 0 | 99 | 99 | 0 | 0 | 1 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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