Surf Forecasts:
How big are the waves at Kiholo Bay today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 1ft (0.3m), 15s period with SW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 1ft (0.3m), 15s period with SW swell.
- Evening surf: Evening surf (20 Sep, local time) - 1ft (0.3m), 15s period with SW swell.
The current surf forecast for Kiholo Bay at 8AM is: 0.3m 15s primary swell from a Southwest direction (forecast issued at 01:00am September 20). An open ocean swell of 0.8m 7s is not directed at the surf break, a second open ocean swell of 0.3m 15s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 1ft (0.3m) | 15s |
| Afternoon (20 Sep) | 1ft (0.3m) | 15s |
| Evening (20 Sep) | 1ft (0.3m) | 15s |
Table - waves today at Kiholo Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Sun morning, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 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 15 | SW 15 | NNE 6 | SW 15 | SW 15 | SW 15 | NNE 6 | NNE 6 | SSW 14 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | SW 14 | NNE 6 | NNE 5 | NNE 5 | N 14 | N 13 | N 13 | NNW 12 | NNW 12 | NNW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 0 | 34 | 34 | 0 | 33 | 33 | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 14 | 31 | 51 | 49 | 47 | 44 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | glassy | cross-on | cross | cross | cross | cross | cross-off | cross-off | cross | cross-on | cross | cross | glassy | glassy | glassy | glassy | glassy | cross-on | on | on | glassy | glassy |
High Tide | 11:48PM0.26m | 12:11PM0.65m | 00:45AM0.31m | 12:53PM0.68m | 1:21AM0.37m | 1:28PM0.70m | ||||||||||||||||||
Low Tide | 4:00AM0.22m | 7:53PM0.20m | 5:29AM0.20m | 8:06PM0.17m | 6:30AM0.18m | 8:21PM0.14m | ||||||||||||||||||
 | |  | | | | |  |  | | | | | | | | | | | | | | | | |
 | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:20 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 27 | 29 | 29 | 28 | 27 | 26 | 26 | 26 | 27 | 29 | 29 | 29 | 28 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 28 | 29 | 30 | 31 | 30 | 29 | 29 | 28 | 28 | 28 | 29 | 30 | 30 | 31 | 32 | 31 | 32 | 30 | 31 | 31 | 31 | 33 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | NNE 6 | NE 6 | NNE 7 | NNE 6 | NE 6 | NE 6 | SSW 14 | NNE 6 | NNE 6 | NNE 6 | ENE 8 | NE 8 | ENE 8 | SSW 13 | NE 8 | NNE 6 | NNE 5 | NNE 5 | NE 8 | NE 8 | NE 6 | NE 6 | NE 6 | NE 6 |
| kJ | 51 | 34 | 56 | 54 | 60 | 75 | 41 | 55 | 38 | 32 | 13 | 16 | 13 | 34 | 16 | 27 | 26 | 26 | 65 | 75 | 31 | 81 | 68 | 51 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 15 | SSW 15 | SSW 15 | SW 15 | SSW 15 | SW 15 | SSW 14 | ENE 8 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | ENE 8 | SSW 13 | NE 8 | NE 8 | NE 8 | SSW 12 | N 13 | NE 7 | NNW 12 | NNW 12 | NNW 12 |
| kJ | 62 | 34 | 44 | 42 | 33 | 42 | 33 | 39 | 12 | 36 | 35 | 35 | 35 | 6 | 34 | 16 | 16 | 17 | 15 | 31 | 25 | 49 | 47 | 44 |
Swell 3 Height (m) Direction Period (s) | ENE 8 | ENE 8 | SW 15 | ENE 8 | SSW 15 | SW 15 | ENE 8 | ENE 8 | SSW 14 | ENE 8 | SSW 14 | SSW 14 | SSW 14 | ENE 8 | SW 14 | SSW 13 | SSW 13 | SSW 13 | N 14 | SSW 12 | N 13 | SSW 12 | SSW 12 | W 12 |
| kJ | 13 | 13 | 34 | 13 | 42 | 33 | 7 | 13 | 38 | 14 | 20 | 19 | 19 | 6 | 7 | 34 | 16 | 16 | 14 | 14 | 51 | 14 | 14 | 11 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | NNE 6 | — | — | — | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 63 | — | — | — | 32 | 41 | 53 | 49 | 34 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 14 | 22 | 99 | 99 | 22 | 22 | 22 | 22 | 22 | 14 | 94 | 99 | 22 | 14 | 14 | 22 | 22 | 22 | 90 | 94 | 94 | 22 | 22 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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