Surf Forecasts:
How big are the waves at Waiaha Rivermouth / Honls today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 1.5ft (0.5m), 13s period with S swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 1.5ft (0.5m), 12s period with S swell.
- Evening surf: Evening surf (18 Oct, local time) - 1.5ft (0.4m), 17s period with SW swell.
The current surf forecast for Waiaha Rivermouth / Honls at 2AM is: 0.5m 13s primary swell from a South direction and 0.4m 15s secondary swell from a Northwest direction (forecast issued at 07:00pm October 17). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 1.5ft (0.5m) | 13s |
| Afternoon (18 Oct) | 1.5ft (0.5m) | 12s |
| Evening (18 Oct) | 1.5ft (0.4m) | 17s |
Table - waves today at Waiaha Rivermouth / Honls. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Sat night. Warm (max 27°C on Sun morning, min 25°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Sat 17 | Sunday 18 | Monday 19 | |||||||||||||||||
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) | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | SW 17 | SW 17 | SW 17 | SW 17 | S 12 | S 12 | S 12 | SW 15 | SW 15 | SW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 87 | 85 | 84 | 84 | 84 | 83 | 82 | 75 | 72 | 70 | 71 | 73 | 74 | 44 | 45 | 44 | 36 | 37 | 39 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | glassy | glassy | on | cross-on | glassy | glassy | cross-on | glassy | glassy | glassy | on | cross-on | glassy | glassy | glassy |
High Tide | 9:46PM0.23m | 9:55AM0.60m | 11:12PM0.27m | 10:51AM0.60m | |||||||||||||||
Low Tide | 5:12PM0.16m | 1:47AM0.19m | 5:50PM0.13m | 3:29AM0.20m | 6:20PM0.11m | ||||||||||||||
 |  |  | | |  | | | | | | | | | | |  |  |  | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | 5:59 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:57 | — | — |
mm | 1 | 1 | — | — | 1 | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | 1 |
Temp °C | 26 | 26 | 26 | 26 | 25 | 26 | 27 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 |
Feels °C | 29 | 28 | 28 | 29 | 28 | 29 | 29 | 28 | 30 | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 30 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SW 16 |
| kJ | 87 | 85 | 84 | 84 | 84 | 83 | 82 | 75 | 72 | 45 | 45 | 44 | 45 | 44 | 45 | 44 | 25 | 24 | 39 |
Swell 2 Height (m) Direction Period (s) | WNW 17 | WNW 15 | WNW 15 | NW 15 | NW 16 | NW 16 | NW 14 | NW 14 | NW 14 | SW 17 | SW 17 | SW 17 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | SW 15 | S 11 |
| kJ | 27 | 23 | 21 | 58 | 39 | 38 | 53 | 51 | 51 | 70 | 71 | 73 | 43 | 24 | 23 | 23 | 22 | 37 | 22 |
Swell 3 Height (m) Direction Period (s) | NNW 11 | NNW 11 | SSW 19 | SSW 4 | SSW 18 | SSW 18 | SSW 18 | SSW 15 | SW 17 | NW 14 | NW 13 | NW 13 | SW 17 | SSW 17 | SSW 15 | SSW 15 | SW 15 | WNW 12 | SW 3 |
| kJ | 11 | 11 | 35 | 1 | 32 | 32 | 32 | 21 | 45 | 29 | 28 | 44 | 74 | 27 | 22 | 22 | 36 | 13 | 1 |
Wind waves Height (m) Direction Period (s) | SSW 4 | SSW 4 | — | — | NW 2 | NW 2 | SSW 4 | SSW 4 | — | WNW 4 | WNW 4 | — | — | — | WNW 4 | — | S 5 | SSW 2 | — |
| kJ | 1 | 2 | — | — | 1 | 1 | 2 | 2 | — | 2 | 2 | — | — | — | 2 | — | 2 | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 6 | 1 | 6 | 1 | 0 | 0 | 19 | 19 | 0 | 0 | 1 | 0 | 0 | 0 | 19 | 100 | 0 | 0 | 0 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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