Surf Forecasts:
How big are the waves at Waiaha Rivermouth / Honls today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 3ft (0.9m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 2.5ft (0.7m), 17s period with SW swell.
- Evening surf: Evening surf (18 Sep, local time) - 2.5ft (0.7m), 17s period with SW swell.
The current surf forecast for Waiaha Rivermouth / Honls at 6PM is: 0.7m 17s primary swell from a Southwest direction and 0.6m 16s secondary swell from a South-southwest direction (forecast issued at 01:00pm September 18). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 3ft (0.9m) | 16s |
| Afternoon (18 Sep) | 2.5ft (0.7m) | 17s |
| Evening (18 Sep) | 2.5ft (0.7m) | 17s |
Table - waves today at Waiaha Rivermouth / Honls. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Fri afternoon. Warm (max 28°C on Fri afternoon, min 26°C on Sat night). Wind will be generally light. | |||||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | |||||||||||||||||||
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 17 | SW 17 | SW 17 | SW 17 | SSW 16 | SSW 16 | SSW 15 | SW 16 | S 18 | SSW 17 | SSW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 423 | 302 | 298 | 284 | 362 | 273 | 256 | 206 | 225 | 307 | 371 | 203 | 346 | 432 | 421 | 380 | 365 | 387 | 381 | 355 | 356 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-off | cross-off | glassy | cross-on | cross-on | cross | cross-on | cross | cross | cross-off | glassy | cross-on | on | cross-on | cross | glassy | glassy |
High Tide | 9:53AM0.60m | 9:42PM0.23m | 10:59AM0.61m | 11:23PM0.25m | 11:54AM0.63m | ||||||||||||||||
Low Tide | 6:15PM0.20m | 2:46AM0.16m | 6:54PM0.17m | 4:14AM0.16m | 7:22PM0.15m | ||||||||||||||||
 |  | |  |  | | | |  | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | — | 1 | 3 | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 27 | 27 | 27 | 26 |
Feels °C | 30 | 29 | 32 | 30 | 29 | 29 | 31 | 30 | 31 | 29 | 30 | 29 | 31 | 28 | 30 | 30 | 31 | 30 | 30 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 17 | SW 17 | SW 17 | SW 17 | SSW 16 | SSW 16 | SSW 15 | SW 16 | S 18 | SSW 17 | SSW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 |
| kJ | 423 | 302 | 298 | 284 | 362 | 273 | 256 | 206 | 225 | 307 | 371 | 203 | 346 | 432 | 421 | 380 | 365 | 387 | 381 | 355 | 356 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SSW 15 | SW 16 | SW 16 | SW 16 | S 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 |
| kJ | 153 | 211 | 211 | 208 | 132 | 129 | 125 | 128 | 124 | 122 | 122 | 193 | 85 | 80 | 77 | 53 | 54 | 54 | 54 | 54 | 33 |
Swell 3 Height (m) Direction Period (s) | S 7 | SW 9 | NW 4 | S 11 | SW 9 | SSW 4 | S 4 | SSW 18 | SSW 15 | W 9 | S 4 | S 14 | W 8 | S 12 | S 10 | W 8 | W 13 | W 13 | W 13 | WNW 13 | WNW 12 |
| kJ | 1 | 13 | 4 | 2 | 29 | 3 | 3 | 107 | 86 | 1 | 2 | 100 | 12 | 3 | 2 | 5 | 4 | 3 | 3 | 17 | 15 |
Wind waves Height (m) Direction Period (s) | — | NW 4 | — | SW 9 | — | WNW 9 | NNW 3 | — | WSW 9 | SW 3 | WNW 9 | NW 3 | — | SW 3 | W 8 | — | WNW 2 | — | — | — | — |
| kJ | — | 10 | — | 29 | — | 8 | 3 | — | 15 | 3 | 25 | 3 | — | 2 | 6 | — | 1 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 47 | 45 | 0 | 2 | 0 | 47 | 0 | 6 | 119 | 47 | 19 | 1 | 19 | 0 | 0 | 1 | 19 | 119 | 119 | 0 | 0 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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