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 8AM is: 0.7m 16s primary swell from a Southwest direction and 0.4m 11s secondary swell from a Southwest direction (forecast issued at 01:00am September 17). The wind direction is predicted to be cross-onshore.
| 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 10mm), heaviest on Thu night. Warm (max 29°C on Thu morning, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | ||||||||||||||||||||||
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 | 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 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 15 | SSW 15 | SW 16 | S 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 288 | 268 | 264 | 251 | 186 | 261 | 198 | 305 | 373 | 321 | 464 | 358 | 238 | 298 | 284 | 362 | 270 | 256 | 206 | 225 | 336 | 346 | 193 | 346 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | cross | cross-off | cross | cross | cross-on | cross-off | cross-off | cross-on | cross-on | cross | glassy | cross | cross-on | cross-off | cross-off | glassy | on | cross-on | cross | glassy | cross |
High Tide | 8:40AM0.59m | 7:35PM0.24m | 9:53AM0.60m | 9:42PM0.23m | 10:59AM0.61m | |||||||||||||||||||
Low Tide | 00:32AM0.12m | 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 | 1 | 2 | 1 | — | — | — | — | 1 | 2 | 1 | — | — | — | — | — | — | 1 | — | — |
Temp °C | 27 | 27 | 28 | 29 | 29 | 29 | 27 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 29 | 28 | 27 | 27 | 27 |
Feels °C | 32 | 31 | 31 | 32 | 30 | 32 | 29 | 31 | 29 | 30 | 32 | 31 | 30 | 33 | 29 | 30 | 29 | 27 | 30 | 32 | 30 | 30 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | SW 17 | 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 15 | SSW 15 | SW 16 | S 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 288 | 268 | 264 | 251 | 186 | 261 | 198 | 305 | 373 | 321 | 464 | 358 | 238 | 298 | 284 | 362 | 270 | 256 | 206 | 225 | 336 | 346 | 169 | 346 |
Swell 2 Height (m) Direction Period (s) | SSW 11 | 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 | S 16 | SW 16 |
| kJ | 12 | 141 | 30 | 212 | 124 | 169 | 184 | 195 | 110 | 154 | 80 | 137 | 211 | 211 | 208 | 132 | 129 | 125 | 128 | 124 | 122 | 122 | 193 | 85 |
Swell 3 Height (m) Direction Period (s) | WSW 8 | WSW 8 | SSW 20 | SSW 19 | SW 10 | WSW 8 | WSW 8 | SW 10 | SW 8 | SSE 4 | SSE 4 | SE 5 | SE 6 | WSW 9 | S 11 | S 11 | SSE 6 | WSW 9 | SSW 18 | SSW 15 | W 9 | W 9 | S 14 | SSW 13 |
| kJ | 14 | 6 | 78 | 37 | 15 | 14 | 14 | 4 | 18 | 2 | 2 | 1 | 2 | 8 | 2 | 2 | 4 | 16 | 107 | 86 | 1 | 13 | 100 | 35 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NW 3 | NNW 3 | — | SW 8 | — | WNW 8 | — | — | SW 9 | WSW 3 | WSW 9 | WSW 9 | WSW 9 | WNW 9 | WSW 9 | SW 3 | SW 3 | NW 3 | — | SW 8 |
| kJ | — | — | — | — | 2 | 3 | — | 18 | — | 24 | — | — | 21 | 3 | 27 | 27 | 16 | 8 | 16 | 2 | 2 | 3 | — | 18 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 6 | 6 | 96 | 96 | 96 | 1 | 6 | 0 | 0 | 1 | 47 | 45 | 0 | 1 | 1 | 0 | 0 | 0 | 119 | 47 | 47 | 0 | 1 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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