Surf Forecasts:
Waiaha Rivermouth / Honls surf forecast from 16 Jul 2026:
- Best quality surf: Thursday 16 Jul, 2AM (local time) - 3ft (0.9m), 15s period, WNW swell with cross-offshore winds.
- Most powerful swell: Wednesday 22 Jul, 8AM (local time) - 2ft (0.6m), 24s period, SSW swell with 441 kJ wave energy.
- Next surfable swell (1★+): Thursday 16 Jul, 2AM (local time) - 3ft (0.9m), 15s period with WNW 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 (Jul 16) at 2AM. The primary swell is predicted to be 0.9m and 15s period with a secondary swell of 0.6m and 16s. 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 24s and forecast to arrive on Wednesday (Jul 22) at 8AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 3s period and expected on Saturday (Jul 18) at 11PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Thu 16th Jul) | 3ft (0.9m) 15s |
| Best Surf | 2AM (Thu 16th Jul) | 3ft (0.9m) 15s |
| Most Powerful | 8AM (Wed 22nd Jul) | 2ft (0.6m) 24s |
Table - best surf conditions forecast for Waiaha Rivermouth / Honls over the next 16 days.
Short Range ForecastMostly dry. Warm (max 27°C on Thu morning, min 25°C on Wed morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Sat night. Warm (max 27°C on Sat morning, min 25°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 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) | W 16 | W 16 | WNW 15 | WNW 15 | W 15 | W 14 | W 14 | W 14 | SSW 14 | SSW 14 | SSW 14 | W 13 | S 19 | S 18 | S 17 | S 16 | S 15 | S 15 | S 14 | S 14 | SSW 26 |
Wave Graph  | |||||||||||||||||||||
 kJ | 314 | 306 | 380 | 292 | 272 | 268 | 203 | 198 | 163 | 160 | 158 | 87 | 110 | 155 | 140 | 407 | 357 | 339 | 320 | 187 | 222 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-off | on | cross-on | glassy | cross-on | cross-on | glassy | cross-on | on | cross-on | on | on | cross-on | cross-on | glassy | glassy | on | on | cross-off |
High Tide | 4:56PM0.79m | 5:14AM0.27m | 5:34PM0.72m | 6:10AM0.31m | 6:11PM0.64m | 7:10AM0.35m | 6:47PM0.55m | 8:16AM0.40m | 7:21PM0.46m | 9:27AM0.45m | 7:57PM0.38m | 10:36AM0.51m | 8:40PM0.30m | ||||||||
Low Tide | 9:37AM-0.03m | 00:10AM0.02m | 10:28AM0.02m | 00:44AM0.02m | 11:21AM0.08m | 1:17AM0.02m | 12:21PM0.15m | 1:50AM0.02m | 1:35PM0.22m | 2:23AM0.03m | 3:14PM0.27m | 2:59AM0.03m | 5:17PM0.27m | 3:40AM0.03m | |||||||
 | |  |  | | | | |  | | |  | | | | | | | | | | |
 | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — |
 | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:04 | — | — | 7:04 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 4 | — | — | — | — | — | 1 |
Temp °C | 26 | 26 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 26 |
Feels °C | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 29 | 29 | 29 | 30 | 29 | 29 | 29 | 29 | 28 | 28 | 30 | 28 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | W 16 | W 16 | WNW 15 | WNW 15 | W 15 | W 14 | W 14 | SSW 16 | SSW 14 | SSW 14 | SSW 14 | S 12 | SSW 13 | S 18 | S 17 | S 16 | S 15 | S 15 | S 14 | S 14 | SSW 11 |
| kJ | 314 | 306 | 380 | 292 | 272 | 268 | 203 | 196 | 163 | 160 | 158 | 76 | 96 | 155 | 140 | 407 | 357 | 339 | 320 | 187 | 121 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 14 | SW 16 | SW 12 | SSW 13 | S 17 | S 16 | W 14 | W 14 | W 13 | W 13 | W 13 | WNW 12 | SSW 13 | S 14 | WNW 12 | SW 18 | SW 13 | SSW 12 | SSW 12 | S 13 |
| kJ | 113 | 134 | 201 | 73 | 111 | 149 | 131 | 198 | 140 | 89 | 87 | 87 | 50 | 55 | 57 | 27 | 50 | 42 | 29 | 107 | 128 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SSW 18 | SSW 15 | SW 16 | SSW 17 | SSW 12 | SW 12 | SW 12 | SSW 8 | SSW 15 | SSW 7 | SW 7 | S 19 | WNW 12 | SSW 11 | SW 18 | WNW 12 | SW 16 | SW 17 | SW 16 | SSW 26 |
| kJ | 79 | 60 | 78 | 130 | 112 | 54 | 35 | 35 | 6 | 21 | 5 | 8 | 110 | 49 | 39 | 51 | 26 | 69 | 74 | 67 | 222 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NW 2 | — | — | — | NW 2 | SW 7 | WNW 2 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 1 | — | — | — | 1 | 14 | 1 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 50 | 19 | 0 | 47 | 34 | 0 | 45 | 20 | 0 | 47 | 34 | 7 | 119 | 119 | 95 | 81 | 0 | 0 | 100 | 100 | 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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