Surf Forecasts:
How big are the waves at Waiaha Rivermouth / Honls today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 2.5ft (0.7m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 1.5ft (0.5m), 18s period with SSW swell.
- Evening surf: Evening surf (17 Sep, local time) - 2.5ft (0.7m), 16s period with SW swell.
The current surf forecast for Waiaha Rivermouth / Honls at 12PM is: 0.7m 16s primary swell from a Southwest direction and 0.5m 19s secondary swell from a South-southwest direction (forecast issued at 07:00am September 17). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 2.5ft (0.7m) | 16s |
| Afternoon (17 Sep) | 1.5ft (0.5m) | 18s |
| Evening (17 Sep) | 2.5ft (0.7m) | 16s |
Table - waves today at Waiaha Rivermouth / Honls. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Thu night. Warm (max 29°C on Thu morning, min 26°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | |||||||||||||||||||||
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) | SW 16 | SW 16 | SW 16 | SSW 18 | SW 16 | SW 16 | SW 17 | SSW 17 | SSW 17 | SSW 16 | SW 17 | SW 17 | SW 17 | SW 17 | SSW 16 | SSW 16 | SSW 15 | SW 16 | S 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 268 | 264 | 251 | 186 | 261 | 198 | 305 | 528 | 321 | 464 | 358 | 238 | 298 | 284 | 362 | 273 | 256 | 206 | 225 | 336 | 346 | 346 | 346 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross-on | cross-on | glassy | cross-off | glassy | cross-on | cross-on | cross | cross-on | cross | cross-off | cross-off | glassy | cross-on | cross | cross | glassy | cross-on | cross-off |
High Tide | 8:40AM0.59m | 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 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | — | — | — | 1 | 2 | 3 | — | — | 1 | — | — | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 29 | 29 | 29 | 29 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 32 | 32 | 32 | 31 | 33 | 31 | 33 | 29 | 31 | 30 | 31 | 31 | 31 | 30 | 30 | 29 | 30 | 30 | 31 | 30 | 32 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SSW 18 | SW 16 | SW 16 | SW 17 | SSW 17 | SSW 17 | SSW 16 | SW 17 | SW 17 | SW 17 | SW 17 | SSW 16 | SSW 16 | SSW 15 | SW 16 | S 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 268 | 264 | 251 | 186 | 261 | 198 | 305 | 528 | 321 | 464 | 358 | 238 | 298 | 284 | 362 | 273 | 256 | 206 | 225 | 336 | 346 | 346 | 346 |
Swell 2 Height (m) Direction Period (s) | SSW 21 | SW 11 | SSW 19 | SW 16 | 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 | SW 16 | SW 16 |
| kJ | 141 | 30 | 212 | 124 | 169 | 184 | 195 | 61 | 154 | 80 | 137 | 211 | 211 | 208 | 132 | 129 | 125 | 128 | 124 | 122 | 122 | 124 | 85 |
Swell 3 Height (m) Direction Period (s) | WSW 8 | SSW 20 | SSW 19 | SW 10 | W 8 | SW 19 | SW 8 | SW 10 | WNW 8 | SSE 5 | SSE 6 | SSE 4 | S 4 | S 11 | S 11 | SW 9 | S 4 | SSW 18 | SSW 15 | W 9 | SSE 4 | SSE 8 | SSW 13 |
| kJ | 6 | 78 | 37 | 15 | 12 | 59 | 18 | 4 | 24 | 2 | 4 | 2 | 1 | 2 | 2 | 21 | 3 | 107 | 86 | 1 | 3 | 13 | 35 |
Wind waves Height (m) Direction Period (s) | — | — | — | NW 3 | — | SW 8 | — | W 8 | — | — | — | NW 3 | NW 4 | WSW 9 | SW 9 | — | NNW 3 | NNW 3 | WSW 9 | WSW 3 | WNW 9 | W 8 | WSW 8 |
| kJ | — | — | — | 2 | — | 18 | — | 22 | — | — | — | 6 | 6 | 32 | 29 | — | 1 | 4 | 15 | 3 | 25 | 23 | 14 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 6 | 6 | 96 | 96 | 6 | 2 | 0 | 45 | 0 | 1 | 47 | 45 | 6 | 1 | 0 | 0 | 0 | 1 | 119 | 47 | 0 | 1 | 0 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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