Surf Forecasts:
How big are the waves at Kahalu'u Beach Park today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 2ft (0.6m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 3ft (0.9m), 17s period with SSW swell.
- Evening surf: Evening surf (19 Sep, local time) - 2ft (0.6m), 16s period with SW swell.
The current surf forecast for Kahalu'u Beach Park at 6AM is: 0.8m 15s primary swell from a South-southwest direction and 0.5m 16s secondary swell from a Southwest direction, 0.4m 9s secondary swell from a West-northwest direction (forecast issued at 01:00am September 19). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 2ft (0.6m) | 16s |
| Afternoon (19 Sep) | 3ft (0.9m) | 17s |
| Evening (19 Sep) | 2ft (0.6m) | 16s |
Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Sat morning, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | ||||||||||||||||||||||
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) | SSW 15 | SSW 15 | SW 16 | S 18 | SSW 17 | SSW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 270 | 256 | 206 | 225 | 336 | 371 | 203 | 346 | 432 | 337 | 380 | 365 | 387 | 360 | 376 | 336 | 331 | 317 | 304 | 295 | 236 | 232 | 229 | 225 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | on | cross-on | glassy | cross-off | glassy | cross | cross | cross-off | cross-on | on | cross-on | glassy | glassy | cross-off | glassy | cross-on | cross-on | cross-on | glassy | glassy | glassy |
High Tide | 11:11AM0.62m | 11:49PM0.27m | 12:11PM0.65m | 00:48AM0.31m | 12:55PM0.68m | |||||||||||||||||||
Low Tide | 1:59AM0.21m | 7:45PM0.22m | 4:02AM0.22m | 7:53PM0.20m | 5:31AM0.20m | 8:07PM0.17m | ||||||||||||||||||
 |  |  | |  | | | | | | | | | | | | | | | | | | | | |
 | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 29 | 30 | 30 | 31 | 30 | 31 | 30 | 31 | 27 | 28 | 29 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 28 | 30 | 31 | 32 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SW 16 | S 18 | SSW 17 | SSW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 270 | 256 | 206 | 225 | 336 | 371 | 203 | 346 | 432 | 337 | 380 | 365 | 387 | 360 | 376 | 336 | 331 | 317 | 304 | 295 | 236 | 232 | 229 | 225 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SSW 15 | SW 16 | SW 16 | SW 16 | S 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | WNW 12 | WNW 12 | WNW 12 | SW 14 | SW 14 | SW 14 |
| kJ | 129 | 125 | 128 | 124 | 122 | 122 | 193 | 85 | 80 | 77 | 53 | 54 | 54 | 54 | 54 | 33 | 54 | 53 | 14 | 14 | 13 | 31 | 30 | 30 |
Swell 3 Height (m) Direction Period (s) | WSW 9 | SE 6 | SSW 18 | SSW 15 | SSE 4 | S 5 | S 14 | SSW 13 | SW 3 | S 10 | SSE 8 | W 13 | W 13 | NW 13 | WNW 13 | W 12 | W 12 | WNW 12 | SSW 15 | SSW 15 | SSW 14 | WNW 11 | WNW 11 | WNW 11 |
| kJ | 16 | 2 | 107 | 86 | 2 | 4 | 100 | 35 | 3 | 2 | 12 | 4 | 3 | 7 | 17 | 3 | 11 | 14 | 21 | 21 | 21 | 12 | 12 | 12 |
Wind waves Height (m) Direction Period (s) | WNW 9 | WNW 9 | — | SW 9 | WSW 3 | NW 3 | — | SW 8 | — | WNW 8 | WNW 8 | WNW 8 | — | SW 3 | — | WNW 8 | — | — | — | — | — | — | — | — |
| kJ | 8 | 27 | — | 20 | 3 | 5 | — | 18 | — | 7 | 7 | 7 | — | 3 | — | 7 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 0 | 125 | 52 | 0 | 0 | 0 | 6 | 2 | 0 | 25 | 125 | 125 | 0 | 0 | 0 | 0 | 6 | 79 | 75 | 0 | 0 | 0 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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