Surf Forecasts:
How big are the waves at Waiaha Rivermouth / Honls today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 3ft (0.9m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 3ft (0.9m), 15s period with SSW swell.
- Evening surf: Evening surf (20 Sep, local time) - 3ft (0.9m), 14s period with SSW swell.
The current surf forecast for Waiaha Rivermouth / Honls at 3PM is: 0.9m 15s primary swell from a South-southwest direction and 0.4m 15s secondary swell from a Southwest direction, 0.6m 3s secondary swell from a Northwest direction (forecast issued at 07:00am September 20). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 3ft (0.9m) | 15s |
| Afternoon (20 Sep) | 3ft (0.9m) | 15s |
| Evening (20 Sep) | 3ft (0.9m) | 14s |
Table - waves today at Waiaha Rivermouth / Honls. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Tue night. Warm (max 28°C on Sun morning, min 26°C on Sun night). Wind will be generally light. | |||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||||||||||
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) | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 337 | 380 | 365 | 387 | 381 | 355 | 336 | 331 | 331 | 304 | 239 | 295 | 232 | 229 | 176 | 173 | 165 | 157 | 155 | 152 | 155 | 162 | 176 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | cross | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | cross | cross | glassy | cross-on | glassy | glassy | glassy | cross-on | on | cross-on | cross-on | glassy | cross-on |
High Tide | 11:54AM0.63m | 00:21AM0.29m | 12:38PM0.65m | 1:04AM0.34m | 1:16PM0.66m | ||||||||||||||||||
Low Tide | 4:14AM0.16m | 7:22PM0.15m | 5:25AM0.15m | 7:47PM0.12m | 6:22AM0.13m | 8:10PM0.10m | |||||||||||||||||
 |  |  | | |  | | | | | | | | |  | | | | | | | | | |
 | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:20 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 29 | 32 | 30 | 31 | 32 | 31 | 31 | 31 | 30 | 30 | 31 | 30 | 32 | 31 | 31 | 31 | 30 | 31 | 31 | 31 | 32 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 13 |
| kJ | 337 | 380 | 365 | 387 | 381 | 355 | 336 | 331 | 331 | 304 | 239 | 295 | 232 | 229 | 176 | 173 | 165 | 157 | 155 | 152 | 155 | 162 | 176 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 14 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 15 | SSW 15 | WNW 12 | WNW 12 | SW 14 | SW 14 | SW 14 | SW 14 | W 11 | W 13 | W 13 | SW 19 | SW 19 | SW 17 | SW 17 |
| kJ | 107 | 53 | 54 | 54 | 54 | 54 | 33 | 54 | 34 | 21 | 14 | 13 | 31 | 30 | 30 | 30 | 10 | 29 | 29 | 58 | 57 | 46 | 75 |
Swell 3 Height (m) Direction Period (s) | W 8 | W 8 | W 13 | W 13 | W 13 | WNW 13 | WNW 8 | WNW 12 | WNW 12 | WNW 12 | SSW 15 | S 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | SSW 14 | SSW 14 | SSW 14 | W 13 | W 12 | W 12 | W 12 |
| kJ | 6 | 5 | 4 | 3 | 3 | 17 | 7 | 14 | 14 | 14 | 21 | 2 | 12 | 12 | 12 | 12 | 19 | 18 | 18 | 13 | 11 | 25 | 25 |
Wind waves Height (m) Direction Period (s) | — | — | WNW 8 | NW 3 | — | — | — | NW 5 | NW 3 | — | — | — | — | — | — | — | — | — | — | — | S 6 | — | — |
| kJ | — | — | 7 | 6 | — | — | — | 6 | 2 | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 1 | 0 | 119 | 119 | 6 | 0 | 0 | 0 | 0 | 0 | 81 | 81 | 0 | 6 | 0 | 0 | 0 | 0 | 119 | 132 | 19 | 0 | 2 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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