Surf Forecasts:
How big are the waves at Kahalu'u Beach Park today (13 Jul):
- Morning surf: Morning surf (13 Jul, local time) - 2.5ft (0.7m), 15s period with SW swell.
- Afternoon surf: Afternoon surf (13 Jul, local time) - 2.5ft (0.7m), 15s period with SW swell.
- Evening surf: Evening surf (13 Jul, local time) - 2.5ft (0.7m), 14s period with SW swell.
The current surf forecast for Kahalu'u Beach Park at 1AM is: 0.7m 16s primary swell from a Southwest direction and 0.4m 12s secondary swell from a West-northwest direction (forecast issued at 07:00pm July 12). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Jul) | 2.5ft (0.7m) | 15s |
| Afternoon (13 Jul) | 2.5ft (0.7m) | 15s |
| Evening (13 Jul) | 2.5ft (0.7m) | 14s |
Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Mon night. Warm (max 26°C on Sun night, min 24°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 12 | Monday 13 | Tuesday 14 | Wed 15 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | W 18 | W 18 | W 18 | W 19 | W 17 | W 16 | W 16 | W 17 | W 17 | W 16 | W 16 | WNW 16 | WNW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 258 | 255 | 251 | 248 | 245 | 242 | 229 | 220 | 217 | 211 | 208 | 162 | 230 | 235 | 251 | 202 | 267 | 267 | 273 | 273 | 322 | 314 | 329 | 406 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | cross | glassy | cross-on | on | on | cross-on | cross | glassy | glassy | glassy | cross-on | on | on | cross-on | glassy | cross-on | cross | cross | cross-on | cross-on | cross-on |
High Tide | 2:54PM0.93m | 2:39AM0.31m | 3:40PM0.95m | 3:33AM0.34m | 4:22PM0.95m | 4:24AM0.37m | ||||||||||||||||||
Low Tide | 10:14PM0.13m | 8:09AM-0.02m | 10:52PM0.11m | 9:00AM-0.02m | 11:29PM0.10m | 9:50AM0.01m | ||||||||||||||||||
 |  | | | | |  | | | | |  | | | | | | | | | |  | | | |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — |
 | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | 7:05 |
mm | 1 | 1 | 1 | 1 | 1 | 1 | — | 1 | 1 | 1 | 1 | 2 | 4 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | — | — | — |
Temp °C | 27 | 26 | 26 | 25 | 25 | 25 | 26 | 25 | 26 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 26 | 26 |
Feels °C | 30 | 29 | 28 | 28 | 28 | 26 | 28 | 27 | 29 | 28 | 29 | 27 | 27 | 27 | 27 | 27 | 28 | 29 | 27 | 26 | 25 | 27 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | W 16 | W 16 | W 17 | W 17 | W 16 | W 16 | WNW 16 | WNW 16 |
| kJ | 258 | 255 | 251 | 248 | 245 | 242 | 229 | 220 | 217 | 211 | 208 | 162 | 160 | 197 | 194 | 191 | 267 | 267 | 273 | 273 | 322 | 314 | 329 | 406 |
Swell 2 Height (m) Direction Period (s) | W 13 | W 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | W 12 | W 12 | SSW 11 | W 19 | W 18 | W 18 | W 18 | W 18 | W 19 | W 17 | SW 14 | SSW 13 | SSW 13 | SSW 17 | SSW 17 | SSW 13 | SSW 13 | SW 12 |
| kJ | 50 | 48 | 50 | 50 | 50 | 50 | 26 | 26 | 22 | 182 | 162 | 162 | 230 | 235 | 251 | 202 | 189 | 114 | 113 | 197 | 202 | 113 | 113 | 75 |
Swell 3 Height (m) Direction Period (s) | SSW 10 | S 10 | SSW 9 | S 9 | S 9 | S 11 | SSW 20 | S 11 | WNW 12 | SSW 9 | S 10 | SW 18 | SW 19 | SW 19 | SSW 19 | SW 19 | SSW 19 | SW 16 | SW 16 | SW 13 | SSW 13 | SW 18 | S 9 | S 9 |
| kJ | 35 | 17 | 17 | 15 | 7 | 21 | 41 | 21 | 29 | 7 | 19 | 50 | 90 | 94 | 145 | 58 | 37 | 66 | 133 | 80 | 111 | 150 | 42 | 25 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 9 | — | SW 11 | WNW 3 | — | — | — | — | — | — | — | SW 10 | — | WSW 10 | — | — | — | NW 3 | — | — |
| kJ | — | — | — | — | 8 | — | 30 | 1 | — | — | — | — | — | — | — | 15 | — | 10 | — | — | — | 2 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 25 | 1 | 0 | 1 | 0 | 25 | 25 | 25 | 52 | 1 | 0 | 0 | 0 | 32 | 25 | 25 | 13 | 0 | 26 | 2 | 2 | 6 | 55 | 55 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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