Surf Forecasts:
How big are the waves at Kahalu'u Beach Park today (25 Aug):
- Morning surf: Morning surf (25 Aug, local time) - 1.5ft (0.5m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (25 Aug, local time) - 1.5ft (0.5m), 16s period with SSW swell.
- Evening surf: Evening surf (25 Aug, local time) - 1.5ft (0.5m), 18s period with S swell.
The current surf forecast for Kahalu'u Beach Park at 4PM is: 0.6m 15s primary swell from a South-southwest direction and 0.5m 12s secondary swell from a South-southwest direction (forecast issued at 01:00pm August 25). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Aug) | 1.5ft (0.5m) | 16s |
| Afternoon (25 Aug) | 1.5ft (0.5m) | 16s |
| Evening (25 Aug) | 1.5ft (0.5m) | 18s |
Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Tue night. Warm (max 28°C on Tue afternoon, min 25°C on Wed night). Wind will be generally light. | |||||||||||||||||||||
Tue 25 | Wednesday 26 | Thursday 27 | |||||||||||||||||||
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 | SSW 16 | SSW 15 | S 18 | S 18 | S 18 | S 18 | S 18 | S 18 | SSW 17 | SSW 17 | S 17 | S 19 | S 18 | SSW 16 | SSW 16 | S 18 | S 16 | S 15 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 146 | 144 | 186 | 163 | 163 | 163 | 163 | 163 | 227 | 224 | 300 | 277 | 444 | 301 | 421 | 416 | 300 | 329 | 215 | 288 | 355 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | on | on | glassy | glassy | cross-on | on | on | cross-on | cross | cross | glassy | glassy | cross-off | cross | cross-on | on | glassy | glassy |
High Tide | 2:44PM0.78m | 2:47AM0.41m | 3:13PM0.79m | 3:22AM0.46m | 3:40PM0.78m | ||||||||||||||||
Low Tide | 9:37PM0.14m | 8:17AM0.08m | 9:57PM0.12m | 8:57AM0.08m | 10:16PM0.10m | ||||||||||||||||
 | | |  |  | | |  |  | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | 6:44 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:43 | — | — |
mm | — | — | — | — | 1 | — | — | 1 | 1 | — | — | — | 1 | 1 | 1 | — | — | 1 | 1 | 1 | — |
Temp °C | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 32 | 31 | 30 | 30 | 30 | 29 | 30 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 28 | 29 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 15 | SSW 12 | S 18 | SSW 15 | SSW 12 | SSW 14 | S 18 | SSW 17 | SSW 17 | S 17 | S 19 | S 18 | SSW 16 | SSW 16 | SSW 16 | S 16 | S 15 | SSW 15 | SSW 15 |
| kJ | 115 | 82 | 186 | 81 | 163 | 121 | 113 | 163 | 227 | 224 | 300 | 277 | 444 | 301 | 421 | 416 | 259 | 329 | 215 | 288 | 355 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 12 | SSW 14 | SSW 12 | S 12 | S 18 | S 18 | SSW 14 | SSW 14 | S 19 | SSW 13 | SSW 13 | SSW 13 | S 18 | S 18 | S 18 | S 12 | S 16 | S 16 | S 16 |
| kJ | 146 | 144 | 81 | 120 | 81 | 71 | 163 | 162 | 160 | 104 | 273 | 135 | 135 | 135 | 307 | 304 | 300 | 72 | 188 | 251 | 251 |
Swell 3 Height (m) Direction Period (s) | SSE 12 | S 12 | S 12 | S 18 | SSW 14 | S 18 | SSW 15 | SSW 11 | SSW 11 | SSW 11 | S 12 | S 19 | SSW 16 | S 16 | WNW 9 | W 10 | S 12 | SSW 15 | S 12 | WNW 9 | WNW 9 |
| kJ | 27 | 24 | 24 | 163 | 120 | 163 | 121 | 41 | 70 | 68 | 69 | 273 | 85 | 132 | 8 | 8 | 112 | 71 | 75 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | — | — | — | WNW 9 | WNW 3 | W 3 | NW 9 | WNW 9 | WNW 9 | NW 9 | W 9 | NW 9 | NW 9 | NW 9 | — | — | — | NW 10 | NW 10 | — | — |
| kJ | — | — | — | 33 | 3 | 3 | 14 | 17 | 8 | 21 | 15 | 22 | 23 | 31 | — | — | — | 24 | 14 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 125 | 128 | 128 | 25 | 1 | 0 | 0 | 6 | 99 | 125 | 13 | 1 | 1 | 0 | 0 | 0 | 123 | 99 | 99 | 0 | 0 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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