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Waiaha Rivermouth / Honls Surf Forecast
/ HAW – Big Island (60 breaks) / Hawaii (267 breaks) /
Waiaha Rivermouth / Honls surfForecast / HAW – Big Island / USA
12 Day Weather and Surf, issued 7 pm Wednesday 30 Apr 2025 HST
Best Forecast Surf Conditions for Waiaha Rivermouth / Honls this week:
The surf forecast for Waiaha Rivermouth / Honls over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Apr 30) at 11PM. The primary swell is predicted to be 0.8m and 18s period with a secondary swell of 0.4m and 13s. The wind is predicted to be onshore as the swell arrives.
The most powerful waves expected at Waiaha Rivermouth / Honls in the next 12 days are 0.8m 18s and forecast to arrive on Wednesday (Apr 30) at 11PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Thursday (May 01) at 11PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Wed 30th Apr) | 2.5ft (0.8m) 18s |
| Best Surf | 5AM (Thu 1st May) | 2.5ft (0.7m) 17s |
| Most Powerful | 11PM (Wed 30th Apr) | 2.5ft (0.8m) 18s |
Table - best surf conditions forecast for Waiaha Rivermouth / Honls over the next 12 days.
Thursday 01 | Friday 02 | Saturday 03 | Sunday 04 | Monday 05 | Tuesday 06 | Wednesday 07 | Thursday 08 | Friday 09 | Saturday 10 | Sunday 11 | Mon 12 | |||||||||||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 18 | 16 | 16 | 15 | 14 | 14 | 14 | 16 | 13 | 16 | 20 | 18 | 18 | 16 | 16 | 15 | 12 | 12 | 14 | 16 | 16 | 13 | 15 | 15 | 14 | 19 | 18 | 18 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 408 | 346 | 337 | 218 | 280 | 160 | 138 | 91 | 84 | 169 | 127 | 109 | 104 | 86 | 86 | 42 | 42 | 23 | 39 | 26 | 26 | 35 | 75 | 44 | 79 | 123 | 114 | 225 | 257 | 239 | 212 | 200 | 187 | 126 | 125 | 80 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross | on | glass | cross- on | glass | cross- off | on | cross | on | cross- on | cross- on | cross- on | cross | on | cross | cross- on | cross | cross- off | on | on | cross | on | cross- on | cross- off | cross- on | cross | cross | cross | on | cross | cross | cross- on | cross- off | on | cross |
High Tide / height (m) | 6:13AM 0.14 | 7:21PM 0.68 | 7:35AM 0.13 | 8:22PM 0.63 | 9:22AM 0.15 | 9:24PM 0.59 | 10:56AM 0.20 | 10:23PM 0.54 | 11:58AM 0.27 | 11:15PM 0.50 | 12:43PM 0.35 | 12:01AM 0.45 | 1:21PM 0.42 | 12:42AM 0.40 | 1:56PM 0.49 | 1:19AM 0.36 | 2:28PM 0.55 | 1:54AM 0.31 | 3:00PM 0.59 | 2:29AM 0.27 | 3:31PM 0.63 | 3:03AM 0.24 | 4:05PM 0.65 | |||||||||||||
Low Tide / height (m) | 2:15AM 0.05 | 11:20AM -0.01 | 3:28AM 0.05 | 12:13PM 0.04 | 4:30AM 0.04 | 1:28PM 0.09 | 5:17AM 0.03 | 3:07PM 0.13 | 5:53AM 0.02 | 4:43PM 0.15 | 6:22AM 0.01 | 6:03PM 0.15 | 6:48AM -0.01 | 7:09PM 0.14 | 7:11AM -0.02 | 8:07PM 0.13 | 7:34AM -0.03 | 8:58PM 0.11 | 7:56AM -0.03 | 9:46PM 0.10 | 8:19AM -0.03 | 10:33PM 0.09 | 8:42AM -0.03 | |||||||||||||
Thursday 01 | Friday 02 | Saturday 03 | Sunday 04 | Monday 05 | Tuesday 06 | Wednesday 07 | Thursday 08 | Friday 09 | Saturday 10 | Sunday 11 | Mon 12 | |||||||||||||||||||||||||
| Sunrise | - | 5:54 | - | - | 5:54 | - | - | 5:54 | - | - | 5:52 | - | - | 5:52 | - | - | 5:52 | - | - | 5:52 | - | - | 5:50 | - | - | 5:50 | - | - | 5:50 | - | - | 5:50 | - | - | 5:48 | - |
| Sunset | - | - | 6:46 | - | - | 6:46 | - | - | 6:46 | - | - | 6:47 | - | - | 6:47 | - | - | 6:47 | - | - | 6:49 | - | - | 6:49 | - | - | 6:49 | - | - | 6:50 | - | - | 6:50 | - | - | 6:51 |
 |  |  | | | |  | | | | | |  | |  | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | 2 | - | 2 | 2 | - | - | - | - | - | - | - | - | - | - | - | 3 | - | 1 | 2 | - | 1 | - | - | 2 | 2 | - | 1 | 1 | - | - | - | - | 1 | 2 | - | - |
| Temp. °C | 24 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 26 | 25 | 25 | 25 | 24 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 26 | 25 | 24 | 26 | 25 | 25 | 25 | 25 | 24 | 26 | 25 |
| Feels °C (?) | 27 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 27 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 27 | 25 | 25 | 27 | 26 | 26 | 26 | 26 | 25 | 26 | 26 |
Short Range Forecast: Light rain (total 6mm), mostly falling on Wed night. Warm (max 26°C on Thu morning, min 24°C on Wed night). Wind will be generally light. | Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Mon night. Warm (max 26°C on Sun afternoon, min 23°C on Sat night). Wind will be generally light. | Days 6-9 Weather Summary Light rain (total 8mm), mostly falling on Tue night. Warm (max 26°C on Fri morning, min 23°C on Wed night). Wind will be generally light. | Long Range Forecast: Light rain (total 5mm), mostly falling on Fri night. Warm (max 26°C on Sat morning, min 24°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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 12 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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