Surf Forecasts:
How big are the waves at Waiaha Rivermouth / Honls today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 3ft (0.9m), 14s period with S swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 3ft (0.9m), 14s period with S swell.
- Evening surf: Evening surf (21 Jul, local time) - 3.5ft (1.0m), 13s period with S swell.
The current surf forecast for Waiaha Rivermouth / Honls at 5AM is: 0.9m 14s primary swell from a South direction and 0.4m 16s secondary swell from a Southwest direction (forecast issued at 01:00am July 21). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 3ft (0.9m) | 14s |
| Afternoon (21 Jul) | 3ft (0.9m) | 14s |
| Evening (21 Jul) | 3.5ft (1.0m) | 13s |
Table - waves today at Waiaha Rivermouth / Honls. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Tue night. Warm (max 27°C on Tue morning, min 25°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
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) | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | SSW 25 | SSW 24 | SSW 24 | SSW 24 | SSW 23 | SSW 22 | SSW 22 | SSW 21 | SSW 21 | SSW 20 | SSW 20 | SSW 20 | SSW 20 | SSW 19 | SSW 19 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 339 | 329 | 320 | 311 | 307 | 298 | 276 | 335 | 268 | 350 | 444 | 437 | 433 | 550 | 634 | 616 | 611 | 599 | 544 | 517 | 507 | 544 | 657 | 624 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | on | on | cross | cross-off | cross | glassy | glassy | glassy | cross-on | on | on | on | cross-on | cross | glassy | cross-on | on | cross-on | cross-on | cross-on | on |
High Tide | 10:36AM0.51m | 8:40PM0.30m | 11:37AM0.56m | 9:45PM0.25m | 12:30PM0.61m | |||||||||||||||||||
Low Tide | 2:59AM0.03m | 5:17PM0.27m | 3:40AM0.03m | 7:08PM0.23m | 4:27AM0.03m | 8:14PM0.19m | ||||||||||||||||||
 | |  | |  | |  |  | | | |  | | | | | | | | | | | | | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — |
mm | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 |
Feels °C | 29 | 30 | 28 | 29 | 29 | 28 | 29 | 27 | 29 | 29 | 30 | 28 | 29 | 29 | 29 | 27 | 28 | 29 | 29 | 28 | 28 | 29 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 11 | S 11 | SSW 11 | S 13 | S 13 | SSW 22 | SSW 22 | SSW 21 | SSW 21 | SSW 20 | SSW 20 | SSW 20 | SSW 20 | SSW 19 | SSW 19 |
| kJ | 339 | 329 | 320 | 311 | 307 | 298 | 276 | 335 | 268 | 114 | 83 | 99 | 209 | 206 | 634 | 616 | 611 | 599 | 544 | 517 | 507 | 544 | 657 | 624 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 17 | SW 17 | SW 17 | SSW 12 | SW 16 | SSW 26 | SSW 26 | S 13 | SSW 24 | SSW 24 | SSW 24 | SSW 23 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 13 | S 13 | SSW 13 | S 13 |
| kJ | 69 | 69 | 72 | 74 | 72 | 46 | 63 | 224 | 222 | 125 | 444 | 437 | 433 | 550 | 196 | 141 | 71 | 171 | 125 | 91 | 168 | 171 | 232 | 219 |
Swell 3 Height (m) Direction Period (s) | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | SW 16 | SSW 26 | SW 16 | SW 16 | SSW 25 | S 13 | S 13 | SW 17 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | S 15 | SW 16 | SW 16 | SE 14 | SE 14 |
| kJ | 26 | 13 | 12 | 12 | 12 | 67 | 133 | 61 | 61 | 350 | 125 | 86 | 76 | 79 | 78 | 75 | 75 | 64 | 65 | 104 | 40 | 40 | 8 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | WNW 10 | — | — | — | — | WSW 9 | NNW 10 | — | — | — | — | — | NNW 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 10 | — | — | — | — | 58 | 19 | — | — | — | — | — | 9 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 96 | 96 | 119 | 0 | 119 | 0 | 0 | 0 | 119 | 119 | 119 | 119 | 95 | 19 | 0 | 6 | 119 | 119 | 100 | 6 | 19 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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