Surf Forecasts:
How big are the waves at Kiholo Bay today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 1ft (0.3m), 18s period with SW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 1ft (0.3m), 18s period with SW swell.
- Evening surf: Evening surf (20 Aug, local time) - 1ft (0.3m), 16s period with SW swell.
The current surf forecast for Kiholo Bay at 9AM is: 0.3m 18s primary swell from a Southwest direction and 0.3m 11s secondary swell from a West-northwest direction (forecast issued at 01:00am August 20). An open ocean swell of 0.5m 6s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 1ft (0.3m) | 18s |
| Afternoon (20 Aug) | 1ft (0.3m) | 18s |
| Evening (20 Aug) | 1ft (0.3m) | 16s |
Table - waves today at Kiholo Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Sat morning, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||||||||||
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) | SW 16 | SW 17 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | W 10 | W 10 | WNW 10 | W 10 | W 11 | W 11 | W 10 | W 10 | W 10 | WNW 10 | WNW 10 | SW 15 | WNW 10 | W 11 | WNW 11 | WNW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 41 | 45 | 48 | 49 | 49 | 47 | 43 | 42 | 35 | 32 | 34 | 52 | 58 | 59 | 55 | 51 | 50 | 33 | 33 | 37 | 32 | 59 | 66 | 90 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | glassy | cross-on | cross-on | cross-on | glassy | cross | glassy | glassy | glassy | cross-on | cross-on | cross | glassy | glassy | glassy | glassy | glassy | on | on | cross-on | cross | glassy |
High Tide | 10:50AM0.61m | 12:03PM0.64m | 11:21PM0.26m | 12:57PM0.68m | ||||||||||||||||||||
Low Tide | 2:03AM0.16m | 3:10AM0.18m | 8:46PM0.25m | 4:40AM0.17m | 8:47PM0.22m | |||||||||||||||||||
 | |  | | | |  | | | | | | | | | | | | | | | | | | |
 | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 27 | 29 | 29 | 28 | 27 | 27 |
Feels °C | 30 | 30 | 32 | 31 | 31 | 31 | 31 | 31 | 30 | 31 | 31 | 31 | 31 | 32 | 32 | 31 | 31 | 30 | 30 | 32 | 33 | 32 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | NNE 6 | NNE 6 | NNE 6 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NE 7 | NE 7 | NE 7 | NE 6 | NE 6 | NE 5 | WNW 10 | NE 6 | NE 6 | NE 6 | NE 6 | WNW 11 |
| kJ | 22 | 22 | 23 | 33 | 33 | 42 | 42 | 41 | 31 | 26 | 26 | 31 | 36 | 52 | 44 | 38 | 40 | 16 | 33 | 54 | 75 | 54 | 51 | 90 |
Swell 2 Height (m) Direction Period (s) | WNW 11 | WNW 11 | WNW 11 | W 11 | WNW 11 | WNW 11 | W 11 | W 11 | W 10 | W 10 | WNW 10 | W 10 | W 11 | W 11 | W 10 | W 10 | W 10 | WNW 10 | SW 16 | WNW 10 | WNW 10 | W 11 | WNW 11 | SW 15 |
| kJ | 25 | 24 | 24 | 38 | 23 | 23 | 38 | 37 | 35 | 32 | 34 | 52 | 58 | 59 | 55 | 51 | 50 | 33 | 64 | 33 | 32 | 59 | 66 | 60 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SW 17 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | NNE 6 | SW 15 | SW 16 | SW 16 | SW 16 | WSW 10 |
| kJ | 41 | 45 | 48 | 49 | 49 | 47 | 43 | 42 | 69 | 71 | 73 | 69 | 41 | 39 | 64 | 64 | 64 | 64 | 8 | 37 | 62 | 63 | 62 | 9 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 7 | — | — | — | — | NE 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 27 | — | — | — | — | 40 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 0 | 0 | 23 | 23 | 21 | 0 | 10 | 21 | 14 | 14 | 23 | 23 | 10 | 21 | 14 | 21 | 21 | 21 | 21 | 21 | 14 | 14 | 0 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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