Surf Forecasts:
How big are the waves at Kahuku Ranch today (05 Aug):
- Morning surf: Morning surf (05 Aug, local time) - 1.5ft (0.4m), 12s period with S swell.
- Afternoon surf: Afternoon surf (05 Aug, local time) - 1.5ft (0.4m), 12s period with SSE swell.
- Evening surf: Evening surf (05 Aug, local time) - 1.5ft (0.4m), 12s period with S swell.
The current surf forecast for Kahuku Ranch at 9AM is: 0.4m 12s primary swell from a South direction and 0.4m 11s secondary swell from a South-southwest direction (forecast issued at 01:00am August 05). An open ocean swell of 1.2m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Aug) | 1.5ft (0.4m) | 12s |
| Afternoon (05 Aug) | 1.5ft (0.4m) | 12s |
| Evening (05 Aug) | 1.5ft (0.4m) | 12s |
Table - waves today at Kahuku Ranch. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Wed morning, min 25°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||||||
Wednesday 5 | Thursday 6 | Friday 7 | ||||||||||||||||||||||
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 11 | S 13 | S 12 | S 12 | S 12 | SSE 12 | S 12 | S 19 | S 12 | S 12 | SW 14 | S 18 | S 18 | S 17 | SW 14 | SW 14 | SSW 14 | SW 14 | SW 14 | SSW 16 | SSW 16 | SSW 16 | SW 19 | SW 19 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 71 | 54 | 47 | 46 | 46 | 49 | 46 | 66 | 44 | 42 | 31 | 55 | 55 | 52 | 52 | 52 | 80 | 51 | 29 | 50 | 50 | 50 | 96 | 96 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 9:04AM0.73m | 7:43PM0.53m | 10:30AM0.78m | 8:57PM0.44m | 11:51AM0.85m | |||||||||||||||||||
Low Tide | 1:46AM0.12m | 3:20PM0.42m | 2:37AM0.13m | 5:45PM0.41m | 3:47AM0.13m | 7:24PM0.33m | ||||||||||||||||||
 | |  | | | |  | | | |  | | | | | | | | | | | | | | |
 | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 26 | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 28 | 27 | 26 | 26 |
Feels °C | 26 | 26 | 26 | 29 | 29 | 27 | 26 | 24 | 24 | 23 | 26 | 27 | 27 | 27 | 26 | 25 | 25 | 26 | 26 | 27 | 27 | 26 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 11 | SSW 11 | SSW 11 | ENE 9 | ENE 9 | SSW 11 | SSW 11 | SSW 11 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | SSW 14 | SW 14 | S 11 | S 11 | SSW 16 | SSW 16 | S 16 | SW 19 |
| kJ | 71 | 47 | 46 | 73 | 71 | 39 | 39 | 39 | 44 | 42 | 22 | 22 | 22 | 21 | 21 | 21 | 80 | 51 | 20 | 20 | 50 | 50 | 44 | 96 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 13 | S 12 | SSW 11 | S 12 | SSE 12 | S 12 | S 12 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | S 18 | S 17 | SW 14 | SW 14 | S 11 | S 11 | SW 14 | SSW 16 | S 11 | S 11 | SW 13 | SSW 15 |
| kJ | 55 | 54 | 47 | 38 | 46 | 49 | 46 | 46 | 23 | 22 | 19 | 19 | 55 | 52 | 52 | 52 | 21 | 21 | 29 | 50 | 20 | 20 | 46 | 44 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | S 12 | SSW 11 | SE 8 | SE 8 | S 19 | SW 16 | W 12 | SW 14 | S 18 | SW 14 | SW 14 | W 13 | W 12 | W 12 | W 12 | W 12 | SW 13 | SW 13 | SW 13 | SW 19 | SW 13 |
| kJ | 9 | 16 | 17 | 46 | 38 | 17 | 10 | 66 | 38 | 27 | 31 | 55 | 32 | 32 | 28 | 27 | 11 | 25 | 25 | 28 | 28 | 28 | 96 | 27 |
Wind waves Height (m) Direction Period (s) | E 10 | E 10 | E 9 | E 5 | E 5 | E 9 | E 5 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 |
| kJ | 326 | 319 | 251 | 39 | 32 | 188 | 73 | 97 | 121 | 184 | 181 | 138 | 119 | 105 | 93 | 170 | 181 | 181 | 148 | 132 | 182 | 269 | 400 | 415 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 61 | 81 | 81 | 112 | 112 | 112 | 62 | 108 | 77 | 108 | 77 | 112 | 112 | 112 | 200 | 81 | 62 | 0 | 0 | 86 | 112 | 112 | 112 | 108 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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