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), 17s period with SW 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 2AM is: 0.9m 17s primary swell from a South-southwest direction and 0.3m 18s secondary swell from a South-southwest direction, 0.5m 8s secondary swell from a West direction (forecast issued at 07:00pm September 17). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 3ft (0.9m) | 17s |
| 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 6mm), mostly falling on Thu night. Warm (max 28°C on Thu night, min 26°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Thu 17 | Friday 18 | Saturday 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) | SW 16 | SW 16 | SW 17 | SSW 17 | SSW 17 | SSW 16 | SW 17 | SW 17 | SW 17 | SW 17 | SSW 16 | SSW 15 | SSW 15 | SW 16 | S 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 261 | 198 | 305 | 528 | 321 | 464 | 305 | 238 | 298 | 284 | 362 | 270 | 256 | 206 | 225 | 307 | 371 | 223 | 346 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | glassy | cross-off | cross-off | cross | cross | cross | cross-on | cross | cross-off | cross-off | glassy | cross-on | cross | cross | cross-on | glassy | cross-off |
High Tide | 7:35PM0.24m | 9:53AM0.60m | 9:42PM0.23m | 10:59AM0.61m | |||||||||||||||
Low Tide | 5:02PM0.23m | 1:25AM0.14m | 6:15PM0.20m | 2:46AM0.16m | 6:54PM0.17m | ||||||||||||||
 |  |  | | |  | | | | |  | | | | |  | |  | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | 6:23 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | 3 | 2 | — | — | — | — | — | 1 | 1 | 2 | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 28 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 |
Feels °C | 32 | 30 | 33 | 29 | 31 | 30 | 30 | 30 | 32 | 30 | 30 | 29 | 29 | 29 | 30 | 30 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 17 | SSW 17 | SSW 17 | SSW 16 | SW 17 | SW 17 | SW 17 | SW 17 | SSW 16 | SSW 15 | SSW 15 | SW 16 | S 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 261 | 198 | 305 | 528 | 321 | 464 | 305 | 238 | 298 | 284 | 362 | 270 | 256 | 206 | 225 | 307 | 371 | 223 | 346 |
Swell 2 Height (m) Direction Period (s) | S 18 | SSW 18 | SSW 18 | SSW 18 | SW 18 | SW 18 | S 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 |
| kJ | 169 | 184 | 195 | 61 | 154 | 80 | 137 | 211 | 211 | 208 | 132 | 129 | 125 | 128 | 124 | 122 | 122 | 193 | 85 |
Swell 3 Height (m) Direction Period (s) | W 8 | SW 19 | SW 8 | SSE 5 | WNW 8 | SE 4 | SW 9 | S 4 | S 4 | S 11 | SW 9 | SSW 4 | S 4 | SSW 18 | SSW 15 | SSE 4 | S 4 | S 14 | SSW 13 |
| kJ | 22 | 59 | 25 | 2 | 24 | 1 | 29 | 3 | 4 | 2 | 21 | 3 | 1 | 107 | 86 | 3 | 3 | 100 | 35 |
Wind waves Height (m) Direction Period (s) | NNW 3 | SW 8 | — | W 8 | — | — | — | NW 3 | NW 4 | W 9 | — | NW 9 | NW 3 | — | WSW 9 | W 3 | WNW 3 | NNW 4 | SW 3 |
| kJ | 2 | 25 | — | 36 | — | — | — | 3 | 6 | 25 | — | 13 | 2 | — | 15 | 2 | 8 | 5 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 3 | 1 | 0 | 45 | 0 | 1 | 47 | 45 | 1 | 0 | 0 | 47 | 0 | 6 | 119 | 47 | 6 | 0 | 0 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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