Surf Forecasts:
Waiaha Rivermouth / Honls surf forecast from 15 Oct 2026:
- Best quality surf: Thursday 15 Oct, 8PM (local time) - 2ft (0.6m), 17s period, S swell with cross-offshore winds.
- Most powerful swell: Thursday 15 Oct, 11AM (local time) - 2ft (0.6m), 18s period, S swell with 226 kJ wave energy.
- Next surfable swell (1★+): Thursday 15 Oct, 8PM (local time) - 2ft (0.6m), 17s period with S swell.
Best Forecast Surf Conditions for Waiaha Rivermouth / Honls this week:
The surf forecast for Waiaha Rivermouth / Honls over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Oct 15) at 8PM. The primary swell is predicted to be 0.6m and 17s period with a secondary swell of 0.5m and 11s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Waiaha Rivermouth / Honls in the next 16 days are 0.6m 18s and forecast to arrive on Thursday (Oct 15) at 11AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 4s period and expected on Saturday (Oct 17) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Thu 15th Oct) | 2ft (0.6m) 17s |
| Best Surf | 8PM (Thu 15th Oct) | 2ft (0.6m) 17s |
| Most Powerful | 11AM (Thu 15th Oct) | 2ft (0.6m) 18s |
Table - best surf conditions forecast for Waiaha Rivermouth / Honls over the next 16 days.
Short Range ForecastLight rain (total 7mm), mostly falling on Fri afternoon. Warm (max 27°C on Thu morning, min 25°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Mon afternoon. Warm (max 27°C on Mon morning, min 25°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | S 18 | S 17 | S 16 | S 16 | S 15 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | SW 17 | S 12 | SW 15 | SW 16 | S 18 | S 18 | SW 16 | SW 15 | SW 15 | SW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 226 | 214 | 183 | 80 | 110 | 103 | 95 | 87 | 84 | 82 | 75 | 72 | 45 | 36 | 64 | 25 | 25 | 39 | 37 | 55 | 33 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross | cross-off | on | cross-on | cross-off | on | glassy | glassy | on | cross | glassy | cross-on | cross | glassy | cross-on | glassy | glassy | cross | glassy | cross-off |
High Tide | 6:16PM0.23m | 7:48AM0.62m | 7:44PM0.22m | 8:51AM0.61m | 9:46PM0.23m | 9:55AM0.60m | 11:12PM0.27m | 10:51AM0.60m | 00:03AM0.33m | 11:40AM0.59m | 00:43AM0.39m | 12:22PM0.57m | 1:19AM0.47m | ||||||||
Low Tide | 2:53PM0.20m | 11:33PM0.12m | 4:14PM0.18m | 00:24AM0.16m | 5:12PM0.16m | 1:47AM0.19m | 5:50PM0.13m | 3:29AM0.20m | 6:20PM0.11m | 4:54AM0.20m | 6:45PM0.09m | 6:03AM0.18m | 7:08PM0.06m | ||||||||
 | |  | |  |  | | | | | | | | | | |  | | | | | |
 | 6:18 | — | — | 6:18 | — | — | 6:18 | — | — | 6:18 | — | — | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — |
 | — | 6:00 | — | — | 6:00 | — | — | 5:59 | — | — | 5:58 | — | — | 5:57 | — | — | 5:57 | — | — | 5:55 | — |
mm | — | — | — | — | 1 | 2 | — | 2 | 2 | — | — | — | — | 2 | 1 | — | — | 2 | — | — | 2 |
Temp °C | 27 | 27 | 26 | 27 | 27 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 27 | 26 | 26 | 27 | 26 | 26 | 26 | 26 | 25 |
Feels °C | 29 | 29 | 29 | 29 | 30 | 30 | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 27 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | S 18 | S 17 | S 16 | S 10 | S 15 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | SW 16 | SW 15 | SW 15 | S 11 |
| kJ | 226 | 214 | 183 | 55 | 110 | 103 | 95 | 87 | 84 | 82 | 75 | 44 | 45 | 25 | 38 | 21 | 21 | 39 | 37 | 55 | 21 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | SSW 15 | S 10 | SSW 10 | S 10 | WNW 17 | NW 15 | NW 14 | NW 14 | SW 17 | WNW 12 | SW 15 | SW 16 | SSW 15 | SSW 14 | S 12 | S 12 | S 11 | SW 15 |
| kJ | 61 | 61 | 56 | 74 | 33 | 36 | 18 | 27 | 58 | 53 | 51 | 72 | 14 | 36 | 64 | 22 | 20 | 28 | 25 | 23 | 33 |
Swell 3 Height (m) Direction Period (s) | SW 18 | NW 12 | SW 17 | S 16 | SSW 16 | SSW 16 | WNW 16 | NNW 11 | SSW 18 | SSW 18 | SW 17 | NW 13 | SSW 15 | WNW 12 | WNW 11 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 |
| kJ | 48 | 22 | 46 | 80 | 25 | 24 | 26 | 11 | 34 | 32 | 47 | 44 | 22 | 14 | 12 | 25 | 25 | 22 | 20 | 20 | 20 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NNW 7 | — | WNW 2 | NNW 4 | WNW 2 | SW 2 | NW 3 | WNW 5 | — | WNW 3 | NW 4 | — | W 3 | NW 3 | W 3 | — | — |
| kJ | — | — | — | — | 5 | — | 1 | 2 | 1 | 1 | 2 | 2 | — | 1 | 1 | — | 1 | 2 | 1 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 100 | 81 | 0 | 100 | 119 | 0 | 20 | 0 | 0 | 19 | 8 | 0 | 100 | 1 | 0 | 100 | 0 | 0 | 100 | 0 | 0 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Waiaha Rivermouth / Honls surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Waiaha Rivermouth / Honls Surf forecast
The above surf forecast table for Waiaha Rivermouth / Honls provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Waiaha Rivermouth / Honls can be found by selecting the local surf guide option on the grey menu. Our Waiaha Rivermouth / Honls surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Waiaha Rivermouth / Honls) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Waiaha Rivermouth / Honls may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Waiaha Rivermouth / Honls is 95 km (59 miles) from Hilo. If you plan a vacation in Big Island, look for hotels and other accommodation in Hilo. Hilo has rooms for a wide range of budgets as well as car hire and transport links.
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