Surf Forecasts:
How big are the waves at Kahalu'u Beach Park today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 3ft (0.9m), 18s period with S swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 3ft (0.9m), 17s period with S swell.
- Evening surf: Evening surf (12 Aug, local time) - 3.5ft (1.1m), 16s period with S swell.
The current surf forecast for Kahalu'u Beach Park at 8AM is: 0.9m 18s primary swell from a South direction and 0.9m 13s secondary swell from a South-southwest direction, 0.6m 13s secondary swell from a West-northwest direction (forecast issued at 01:00am August 12). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 3ft (0.9m) | 18s |
| Afternoon (12 Aug) | 3ft (0.9m) | 17s |
| Evening (12 Aug) | 3.5ft (1.1m) | 16s |
Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Wed morning, min 26°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | ||||||||||||||||||||||
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 19 | S 18 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | SSW 16 | S 16 | S 16 | S 15 | S 15 | SSW 15 | SSW 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 361 | 413 | 509 | 620 | 498 | 579 | 526 | 628 | 905 | 612 | 612 | 581 | 465 | 775 | 657 | 627 | 619 | 515 | 508 | 508 | 423 | 417 | 405 | 308 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | glassy | cross-on | cross-on | cross-on | glassy | cross-on | glassy | glassy | glassy | on | on | glassy | glassy | glassy | glassy | glassy | glassy | on | cross-on | glassy | glassy | glassy |
High Tide | 3:28AM0.42m | 3:58PM0.88m | 4:13AM0.48m | 4:32PM0.83m | 4:57AM0.53m | 5:04PM0.75m | ||||||||||||||||||
Low Tide | 9:00AM0.02m | 10:45PM0.08m | 9:48AM0.06m | 11:13PM0.07m | 10:35AM0.11m | |||||||||||||||||||
 | |  |  | | |  | | | | | | | | | | | | | | | | | | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 29 | 29 | 30 | 31 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 31 | 31 | 32 | 31 | 30 | 30 | 30 | 30 | 30 | 31 | 32 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | SSW 16 | S 16 | S 16 | S 15 | S 15 | SSW 15 | SSW 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | SSW 14 |
| kJ | 290 | 242 | 509 | 620 | 498 | 579 | 526 | 628 | 905 | 612 | 612 | 581 | 465 | 775 | 657 | 627 | 619 | 515 | 508 | 508 | 423 | 417 | 405 | 308 |
Swell 2 Height (m) Direction Period (s) | S 19 | S 18 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | WNW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 |
| kJ | 361 | 413 | 238 | 238 | 238 | 238 | 238 | 222 | 48 | 123 | 109 | 111 | 152 | 27 | 28 | 28 | 28 | 26 | 25 | 25 | 26 | 27 | 27 | 27 |
Swell 3 Height (m) Direction Period (s) | W 11 | WNW 13 | WNW 13 | WNW 11 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SSW 17 | SW 17 |
| kJ | 40 | 57 | 57 | 23 | 57 | 56 | 51 | 48 | 56 | 47 | 28 | 28 | 28 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 30 | 12 |
Wind waves Height (m) Direction Period (s) | — | — | WNW 13 | — | — | — | — | — | — | NW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 114 | — | — | — | — | — | — | 69 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 75 | 6 | 0 | 11 | 125 | 125 | 0 | 128 | 0 | 0 | 0 | 75 | 125 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 79 | 0 | 0 | 0 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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