Surf Forecasts:
How big are the waves at Kahalu'u Beach Park today (22 Aug):
- Morning surf: Morning surf (22 Aug, local time) - 1.5ft (0.5m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (22 Aug, local time) - 1.5ft (0.5m), 16s period with SW swell.
- Evening surf: Evening surf (22 Aug, local time) - 1.5ft (0.5m), 15s period with SW swell.
The current surf forecast for Kahalu'u Beach Park at 2PM is: 0.5m 16s primary swell from a Southwest direction and 0.5m 10s secondary swell from a West direction, 0.3m 2s secondary swell from a West direction (forecast issued at 07:00am August 22). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Aug) | 1.5ft (0.5m) | 16s |
| Afternoon (22 Aug) | 1.5ft (0.5m) | 16s |
| Evening (22 Aug) | 1.5ft (0.5m) | 15s |
Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Mon afternoon. Warm (max 28°C on Sat morning, min 26°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||
Saturday 22 | Sunday 23 | Monday 24 | |||||||||||||||||||||
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) | SSW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | WNW 12 | SSW 16 | WNW 11 | SSW 15 | S 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 166 | 121 | 119 | 119 | 118 | 110 | 109 | 110 | 109 | 119 | 144 | 83 | 126 | 110 | 188 | 165 | 163 | 168 | 141 | 141 | 139 | 135 | 129 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | on | on | glassy | glassy | glassy | glassy | cross-off | glassy | on | glassy | glassy | glassy | glassy | glassy | cross-off | cross | cross-on | on | cross-on | cross-on | cross-on |
High Tide | 12:57PM0.68m | 00:50AM0.28m | 1:39PM0.72m | 1:36AM0.32m | 2:13PM0.76m | ||||||||||||||||||
Low Tide | 4:42AM0.17m | 8:46PM0.22m | 5:56AM0.15m | 9:01PM0.19m | 6:51AM0.12m | 9:19PM0.16m | |||||||||||||||||
 |  | |  |  |  | | | | | |  |  |  | | | | | | | | | | |
 | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | — | — | — | 1 | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | 1 | 2 | — | — |
Temp °C | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 31 | 32 | 32 | 32 | 32 | 32 | 31 | 30 | 29 | 31 | 32 | 31 | 33 | 31 | 31 | 32 | 31 | 31 | 32 | 32 | 31 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SW 16 | SW 16 | SW 16 | W 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | S 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 166 | 121 | 119 | 119 | 57 | 59 | 58 | 80 | 92 | 119 | 113 | 79 | 76 | 110 | 188 | 165 | 163 | 168 | 141 | 141 | 139 | 135 | 129 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 10 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SSW 16 | SSW 16 | SSW 15 | WNW 11 | WNW 10 | WNW 10 | SSE 12 | SSE 12 | SSE 11 | S 12 | S 12 | S 12 | S 12 |
| kJ | 52 | 52 | 50 | 52 | 118 | 110 | 109 | 110 | 109 | 107 | 144 | 83 | 126 | 64 | 42 | 39 | 49 | 47 | 37 | 69 | 43 | 43 | 41 |
Swell 3 Height (m) Direction Period (s) | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 16 | SSE 13 | SSE 13 | SSW 16 | SW 14 | SW 14 | SW 14 | SW 14 | SSE 13 | SSE 13 | NW 10 | NW 10 | NW 12 | NW 11 | NW 11 | SSW 18 | SSW 17 |
| kJ | 89 | 45 | 46 | 46 | 45 | 45 | 51 | 54 | 57 | 51 | 54 | 54 | 33 | 53 | 55 | 55 | 25 | 24 | 35 | 30 | 30 | 103 | 96 |
Wind waves Height (m) Direction Period (s) | — | — | — | W 2 | WSW 3 | WSW 3 | — | — | NW 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 1 | 3 | 2 | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 52 | 52 | 0 | 0 | 0 | 0 | 0 | 0 | 52 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 94 | 125 | 94 | 13 | 6 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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