
Surf Forecasts:
How big are the waves at Waiaha Rivermouth / Honls today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 1ft (0.3m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 0.5ft (0.2m), 18s period with S swell.
- Evening surf: Evening surf (20 Oct, local time) - 0.5ft (0.2m), 18s period with S swell.
The current surf forecast for Waiaha Rivermouth / Honls at 8AM is: 0.3m 16s primary swell from a Southwest direction and 0.3m 11s secondary swell from a South direction (forecast issued at 01:00am October 20). The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 1ft (0.3m) | 16s |
| Afternoon (20 Oct) | 0.5ft (0.2m) | 18s |
| Evening (20 Oct) | 0.5ft (0.2m) | 18s |
Table - waves today at Waiaha Rivermouth / Honls. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Tue night. Warm (max 27°C on Tue morning, min 24°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 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 16 | SW 16 | S 18 | S 18 | S 18 | S 18 | S 11 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SW 13 | SW 13 |
Wave Graph | ||||||||||||||||||||||||
64 | 65 | 41 | 25 | 25 | 25 | 24 | 23 | 39 | 39 | 39 | 37 | 34 | 55 | 54 | 33 | 33 | 54 | 53 | 51 | 49 | 71 | 46 | 45 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | glassy | on | cross-on | cross-on | cross | cross | glassy | glassy | glassy | on | cross-on | on | on | glassy | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | glassy | glassy |
High Tide | 00:03AM0.33m | 11:40AM0.59m | 00:43AM0.39m | 12:22PM0.57m | 1:19AM0.47m | 1:01PM0.54m | ||||||||||||||||||
Low Tide | 4:54AM0.20m | 6:45PM0.09m | 6:03AM0.18m | 7:08PM0.06m | 7:03AM0.16m | 7:31PM0.04m | ||||||||||||||||||
— | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | |
— | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — | |
mm | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 26 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 25 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 30 | 27 | 28 | 29 | 28 | 29 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 29 | 27 | 28 | 27 | 26 | 28 | 28 | 28 | 29 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | S 11 | SW 16 | SW 16 | S 11 | S 11 | S 11 | SSW 15 | S 11 | S 13 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SW 13 | SW 13 |
21 | 65 | 41 | 21 | 21 | 21 | 21 | 21 | 13 | 39 | 39 | 37 | 34 | 55 | 54 | 33 | 33 | 54 | 53 | 51 | 49 | 71 | 46 | 45 | |
Swell 2 Height (m) Direction Period (s) | SW 16 | S 11 | S 11 | SSW 15 | SSW 14 | SSW 14 | S 11 | WNW 3 | SW 16 | S 13 | S 12 | S 12 | S 12 | S 10 | SW 10 | SSW 10 | S 11 | S 11 | SSW 9 | SW 9 | S 11 | WSW 9 | S 16 | SSW 16 |
64 | 21 | 21 | 21 | 19 | 20 | 21 | 1 | 39 | 12 | 12 | 12 | 11 | 8 | 15 | 10 | 9 | 9 | 8 | 3 | 9 | 8 | 21 | 27 | |
Swell 3 Height (m) Direction Period (s) | WNW 11 | WNW 11 | S 15 | S 18 | S 18 | S 18 | S 18 | SSW 15 | S 16 | S 16 | S 16 | S 16 | S 16 | S 12 | S 11 | S 11 | S 16 | SSW 8 | S 11 | S 11 | SW 9 | S 11 | SW 8 | S 10 |
12 | 12 | 17 | 25 | 25 | 25 | 24 | 23 | 21 | 20 | 20 | 20 | 20 | 11 | 10 | 9 | 19 | 6 | 9 | 9 | 3 | 9 | 3 | 8 | |
Wind waves Height (m) Direction Period (s) | NW 4 | NNW 4 | — | — | SW 3 | WSW 3 | WNW 3 | — | — | — | S 4 | SSW 2 | SSW 2 | WNW 2 | NW 3 | — | SSW 8 | — | — | N 8 | NW 2 | — | S 5 | S 5 |
1 | 2 | — | — | 3 | 3 | 1 | — | — | — | 1 | 1 | 1 | 1 | 2 | — | 6 | — | — | 1 | 1 | — | 1 | 2 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 19 | 119 | 6 | 0 | 1 | 0 | 0 | 0 | 100 | 100 | 4 | 19 | 0 | 0 | 0 | 0 | 96 | 100 | 6 | 0 | 0 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












