Surf Forecasts:
How big are the waves at Waiaha Rivermouth / Honls today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2ft (0.6m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 1.5ft (0.5m), 16s period with SW swell.
- Evening surf: Evening surf (21 Aug, local time) - 2ft (0.6m), 16s period with SW swell.
The current surf forecast for Waiaha Rivermouth / Honls at 12AM is: 0.6m 17s primary swell from a South-southwest direction and 0.5m 11s secondary swell from a West direction (forecast issued at 07:00pm August 20). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2ft (0.6m) | 16s |
| Afternoon (21 Aug) | 1.5ft (0.5m) | 16s |
| Evening (21 Aug) | 2ft (0.6m) | 16s |
Table - waves today at Waiaha Rivermouth / Honls. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Fri afternoon. Warm (max 28°C on Fri morning, min 26°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||
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 17 | SW 17 | SW 16 | SSW 17 | SW 17 | SSW 17 | SW 16 | SW 16 | SW 16 | SSW 16 | SW 16 | SW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 143 | 135 | 133 | 188 | 298 | 186 | 127 | 124 | 122 | 171 | 261 | 261 | 166 | 121 | 119 | 119 | 118 | 110 | 109 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | glassy | glassy | glassy | cross | cross-on | cross-on | on | glassy | glassy | glassy | glassy | glassy | on | cross-on | on | glassy | glassy |
High Tide | 9:25PM0.24m | 11:51AM0.62m | 11:15PM0.23m | 12:41PM0.65m | |||||||||||||||
Low Tide | 7:02PM0.23m | 3:38AM0.10m | 7:46PM0.19m | 4:47AM0.10m | 8:16PM0.16m | ||||||||||||||
 |  | | | | | |  |  |  | | | | | | | | | | |
 | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | 6:47 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 26 |
Feels °C | 31 | 32 | 32 | 31 | 30 | 31 | 31 | 31 | 31 | 32 | 31 | 30 | 31 | 31 | 32 | 32 | 32 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 17 | SW 17 | SW 16 | SSW 17 | SW 17 | SSW 17 | SW 16 | W 11 | SW 16 | SSW 16 | SW 16 | SW 16 | SSW 16 | SW 16 | SW 16 | W 10 | WNW 11 | WNW 10 | WNW 10 |
| kJ | 143 | 135 | 133 | 188 | 298 | 186 | 127 | 57 | 122 | 171 | 261 | 261 | 166 | 121 | 119 | 52 | 64 | 59 | 80 |
Swell 2 Height (m) Direction Period (s) | WNW 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | SW 16 | W 11 | W 11 | W 10 | S 13 | S 13 | W 10 | W 10 | SW 16 | SW 16 | SW 15 | SW 15 |
| kJ | 40 | 61 | 61 | 56 | 52 | 51 | 50 | 124 | 58 | 57 | 52 | 85 | 89 | 52 | 50 | 119 | 118 | 110 | 109 |
Swell 3 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 13 | S 13 | S 13 | W 10 | W 10 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 16 |
| kJ | 21 | 38 | 21 | 21 | 37 | 37 | 37 | 21 | 55 | 85 | 54 | 51 | 52 | 45 | 46 | 46 | 45 | 45 | 51 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SW 9 | SW 9 | SW 9 | — | — | NW 3 | SW 10 | SW 2 | SW 2 | NW 2 | WNW 2 |
| kJ | — | — | — | — | — | — | — | — | 12 | 12 | 12 | — | — | 2 | 26 | 1 | 1 | 1 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 19 | 0 | 0 | 0 | 0 | 8 | 50 | 50 | 19 | 0 | 0 | 0 | 0 | 0 | 50 | 47 | 0 | 0 | 0 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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