Surf Forecasts:
Waiaha Rivermouth / Honls surf forecast from 24 Sep 2026:
- Best quality surf: Monday 28 Sep, 2AM (local time) - 3ft (0.9m), 13s period, SSW swell with glassy winds.
- Most powerful swell: Monday 28 Sep, 5AM (local time) - 4.5ft (1.3m), 12s period, SSW swell with 534 kJ wave energy.
- Next surfable swell (1★+): Thursday 24 Sep, 5AM (local time) - 1.5ft (0.5m), 16s period with SW 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 (Sep 24) at 5AM. The primary swell is predicted to be 0.5m and 16s period with a secondary swell of 0.5m and 12s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Waiaha Rivermouth / Honls in the next 16 days are 1.3m 12s and forecast to arrive on Monday (Sep 28) at 5AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 5s period and expected on Saturday (Sep 26) at 11AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Thu 24th Sep) | 1.5ft (0.5m) 16s |
| Best Surf | 2AM (Mon 28th Sep) | 3ft (0.9m) 13s |
| Most Powerful | 5AM (Mon 28th Sep) | 4.5ft (1.3m) 12s |
Table - best surf conditions forecast for Waiaha Rivermouth / Honls over the next 16 days.
Short Range ForecastModerate rain (total 18mm), heaviest on Fri morning. Warm (max 28°C on Thu morning, min 25°C on Fri morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Sun morning, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | |||||||||||||||
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) | SW 15 | SSW 15 | SW 17 | SW 16 | SSW 16 | SW 17 | SW 17 | SSW 16 | S 10 | S 10 | SSW 13 | SSW 13 | SW 10 | SW 10 | SW 10 | SW 16 | SW 16 | SW 10 | WSW 11 | WSW 11 | W 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 112 | 150 | 235 | 196 | 162 | 291 | 238 | 171 | 127 | 202 | 246 | 253 | 229 | 253 | 173 | 206 | 203 | 239 | 256 | 297 | 204 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | glassy | cross | glassy | glassy | glassy | on | on | glassy | cross-on | on | cross-off | cross-on | cross | cross-off | cross-on | cross | cross-on |
High Tide | 2:22PM0.62m | 2:51AM0.51m | 2:53PM0.58m | 3:27AM0.57m | 3:24PM0.53m | 4:06AM0.62m | 3:56PM0.47m | 4:48AM0.66m | 4:29PM0.41m | 5:34AM0.69m | 5:06PM0.34m | 6:28AM0.70m | 5:49PM0.28m | ||||||||
Low Tide | 8:53PM0.07m | 8:46AM0.10m | 9:14PM0.05m | 9:34AM0.11m | 9:36PM0.04m | 10:25AM0.13m | 10:00PM0.03m | 11:21AM0.15m | 10:28PM0.02m | 12:26PM0.18m | 11:00PM0.03m | 1:48PM0.20m | 11:38PM0.05m | ||||||||
 |  |  | |  |  |  | | | | | |  | | | | |  | | | | |
 | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — |
 | — | 6:17 | — | — | 6:16 | — | — | 6:15 | — | — | 6:15 | — | — | 6:14 | — | — | 6:14 | — | — | 6:13 | — |
mm | 1 | 3 | 7 | 5 | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 26 | 26 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 |
Feels °C | 33 | 31 | 31 | 30 | 32 | 31 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 29 | 31 | 30 | 29 | 29 | 31 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SSW 15 | SW 17 | S 11 | S 10 | SW 17 | SW 17 | SSW 16 | S 10 | S 10 | S 10 | SSW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | WSW 11 | WSW 11 | W 10 |
| kJ | 112 | 150 | 235 | 110 | 98 | 291 | 238 | 171 | 127 | 202 | 212 | 246 | 229 | 253 | 173 | 96 | 74 | 239 | 256 | 297 | 204 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 11 | SW 16 | SSW 16 | S 10 | SSW 17 | S 10 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SW 17 | SSW 12 | SW 16 | SW 16 | SW 16 | SW 15 | S 6 | S 6 |
| kJ | 71 | 68 | 21 | 196 | 162 | 51 | 164 | 51 | 121 | 145 | 246 | 253 | 86 | 147 | 81 | 206 | 203 | 121 | 104 | 15 | 18 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | SSW 18 | S 7 | SSW 20 | SSW 19 | SW 12 | SSE 10 | SSW 16 | SW 16 | SW 15 | SW 15 | NW 13 | NW 12 | SSW 12 | SW 17 | SSW 11 | WSW 12 | SSW 11 | SSW 15 | SW 15 | SSW 13 |
| kJ | 64 | 62 | 9 | 38 | 73 | 22 | 34 | 147 | 124 | 112 | 57 | 44 | 23 | 50 | 106 | 43 | 82 | 40 | 72 | 104 | 59 |
Wind waves Height (m) Direction Period (s) | NW 2 | — | NNW 5 | — | — | — | NW 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | 2 | — | — | — | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 47 | 19 | 7 | 96 | 47 | 0 | 50 | 6 | 0 | 100 | 19 |
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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