Surf Forecasts:
How big are the waves at Waiaha Rivermouth / Honls today (15 Aug):
- Morning surf: Morning surf (15 Aug, local time) - 3ft (0.9m), 13s period with S swell.
- Afternoon surf: Afternoon surf (15 Aug, local time) - 3ft (0.9m), 13s period with S swell.
- Evening surf: Evening surf (15 Aug, local time) - 8ft (2.5m), 7s period with SSE swell.
The current surf forecast for Waiaha Rivermouth / Honls at 1PM is: 0.9m 13s primary swell from a South direction and 0.3m 11s secondary swell from a West-northwest direction (forecast issued at 07:00am August 15). An open ocean swell of 0.4m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | 3ft (0.9m) | 13s |
| Afternoon (15 Aug) | 3ft (0.9m) | 13s |
| Evening (15 Aug) | 8ft (2.5m) | 7s |
Table - waves today at Waiaha Rivermouth / Honls. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 50mm), heaviest during Sat night. Warm (max 30°C on Sat afternoon, min 25°C on Sat afternoon). Winds decreasing (strong winds from the SE on Sat afternoon, calm by Sun night). | |||||||||||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | |||||||||||||||||||||
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 13 | S 13 | S 13 | S 13 | S 13 | SSE 7 | S 7 | S 14 | S 13 | S 16 | S 13 | S 13 | S 13 | S 13 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 299 | 284 | 284 | 284 | 225 | 523 | 378 | 243 | 229 | 513 | 219 | 219 | 222 | 222 | 352 | 422 | 338 | 264 | 261 | 257 | 253 | 243 | 176 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | on | cross | cross | off | cross-off | cross-off | cross-off | cross-on | cross | cross-off | cross-off | glassy | cross-on | cross-on | glassy | cross-on | cross | cross-on | cross-on | cross-on |
High Tide | 5:39AM0.45m | 5:32PM0.56m | 6:30AM0.48m | 6:02PM0.48m | 7:25AM0.51m | 6:32PM0.40m | |||||||||||||||||
Low Tide | 11:20AM0.13m | 00:10AM0.05m | 12:19PM0.19m | 00:37AM0.06m | 1:31PM0.24m | ||||||||||||||||||
 |  |  |  | |  |  |  | | | |  |  |  | | | | | |  | |  | | |
 | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:50 | — | — |
mm | — | — | 3 | 9 | 7 | 19 | 7 | 1 | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 26 | 27 | 27 | 25 | 30 | 28 | 27 | 26 | 27 | 27 | 28 | 29 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 |
Feels °C | 30 | 30 | 31 | 28 | 26 | 27 | 31 | 30 | 30 | 31 | 32 | 32 | 30 | 32 | 34 | 31 | 31 | 32 | 31 | 31 | 32 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | S 13 | S 13 | S 13 | S 13 | S 18 | S 7 | S 7 | S 6 | S 16 | S 13 | S 13 | S 13 | S 13 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 |
| kJ | 299 | 284 | 284 | 284 | 225 | 56 | 378 | 107 | 47 | 513 | 219 | 219 | 222 | 222 | 352 | 422 | 338 | 264 | 261 | 257 | 253 | 243 | 176 |
Swell 2 Height (m) Direction Period (s) | NW 11 | WNW 11 | NW 5 | WNW 11 | S 18 | W 11 | S 14 | S 14 | S 13 | S 6 | S 6 | SSW 6 | S 6 | SSW 5 | SSW 5 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 |
| kJ | 32 | 24 | 4 | 24 | 56 | 10 | 187 | 243 | 229 | 33 | 32 | 33 | 22 | 22 | 15 | 46 | 43 | 43 | 42 | 25 | 25 | 25 | 25 |
Swell 3 Height (m) Direction Period (s) | SW 18 | NW 5 | WNW 11 | NNW 6 | WNW 11 | NNW 7 | S 18 | S 18 | S 17 | WNW 13 | S 16 | S 16 | S 16 | S 16 | WNW 12 | SW 14 | SW 5 | SW 5 | WSW 5 | SW 4 | SW 4 | SW 5 | SW 5 |
| kJ | 12 | 4 | 24 | 3 | 24 | 4 | 99 | 97 | 143 | 34 | 185 | 127 | 127 | 125 | 48 | 8 | 6 | 4 | 2 | 3 | 3 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | NNW 6 | SSE 2 | SSE 7 | SSE 7 | SE 6 | SSE 6 | — | — | — | NW 3 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 13 | 2 | 523 | 328 | 80 | 80 | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 1 | 1 | 4 | 19 | 459 | 467 | 0 | 0 | 0 | 0 | 119 | 119 | 122 | 0 | 0 | 6 | 6 | 0 | 100 | 100 | 8 | 6 | 19 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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