Surf Forecasts:
How big are the waves at Kahalu'u Beach Park today (09 Sep):
- Morning surf: Morning surf (09 Sep, local time) - 3ft (0.9m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (09 Sep, local time) - 3ft (0.9m), 13s period with SSW swell.
- Evening surf: Evening surf (09 Sep, local time) - 2.5ft (0.7m), 13s period with SSW swell.
The current surf forecast for Kahalu'u Beach Park at 12PM is: 0.9m 14s primary swell from a South-southwest direction and 0.7m 7s secondary swell from a Southwest direction (forecast issued at 07:00am September 09). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Sep) | 3ft (0.9m) | 14s |
| Afternoon (09 Sep) | 3ft (0.9m) | 13s |
| Evening (09 Sep) | 2.5ft (0.7m) | 13s |
Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Wed night. Warm (max 28°C on Wed morning, min 25°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | |||||||||||||||||||||
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 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 17 | SW 18 | SW 18 | SW 18 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 346 | 336 | 326 | 257 | 253 | 178 | 178 | 176 | 176 | 173 | 137 | 154 | 154 | 150 | 133 | 175 | 175 | 173 | 169 | 154 | 150 | 150 | 148 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross | cross | cross | glassy | cross-on | cross-on | on | on | on | cross-on | cross-on |
High Tide | 2:37AM0.48m | 2:53PM0.80m | 3:17AM0.55m | 3:26PM0.76m | 3:55AM0.62m | 3:57PM0.70m | |||||||||||||||||
Low Tide | 8:11AM0.08m | 9:29PM0.07m | 9:01AM0.09m | 9:53PM0.06m | 9:48AM0.11m | 10:16PM0.06m | |||||||||||||||||
 |  | |  | | |  | | | | |  | |  | | | |  | | | | | | |
 | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | — | 1 | 1 | — | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | 1 | 1 | 1 | 1 |
Temp °C | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 26 |
Feels °C | 32 | 31 | 31 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 32 | 31 | 29 | 30 | 30 | 30 | 29 | 29 | 30 | 29 | 30 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | SW 8 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 110 | 336 | 326 | 257 | 253 | 178 | 178 | 176 | 176 | 173 | 129 | 125 | 117 | 83 | 82 | 175 | 175 | 173 | 169 | 154 | 150 | 150 | 148 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SW 7 | SW 16 | SW 17 | SW 18 | SW 18 | SW 18 | SW 16 | S 12 | S 12 | SW 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 |
| kJ | 346 | 72 | 68 | 46 | 43 | 32 | 32 | 18 | 23 | 130 | 137 | 154 | 154 | 150 | 133 | 72 | 72 | 45 | 41 | 30 | 41 | 40 | 28 |
Swell 3 Height (m) Direction Period (s) | WNW 8 | WNW 8 | W 6 | WNW 7 | W 6 | WNW 6 | NW 10 | NW 10 | NW 10 | SSW 7 | SW 7 | SW 7 | SSW 7 | SSW 7 | SW 10 | SW 10 | SW 10 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 |
| kJ | 54 | 51 | 12 | 19 | 20 | 12 | 16 | 24 | 25 | 18 | 12 | 11 | 9 | 9 | 24 | 35 | 47 | 46 | 46 | 46 | 46 | 46 | 43 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 8 | W 7 | — | — | — | — | W 2 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 10 | — | — | — | — | 1 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 6 | 94 | 94 | 94 | 94 | 94 | 99 | 6 | 25 | 99 | 99 | 1 | 1 | 13 | 0 | 99 | 125 | 99 | 99 | 52 | 13 | 89 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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