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Blonde Reef surfForecast / HAW – Big Island / USA
12 Day Weather and Surf, issued 7 pm Sunday 27 Apr 2025 HST
Best Forecast Surf Conditions for Blonde Reef this week:
The surf forecast for Blonde Reef over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Apr 27) at 11PM. The primary swell is predicted to be 1.0m and 8s period with a secondary swell of 0.7m and 7s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Blonde Reef in the next 12 days are 1.7m 7s and forecast to arrive on Friday (May 02) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Tuesday (Apr 29) at 11AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Sun 27th Apr) | 3.5ft (1.0m) 8s |
| Best Surf | 11PM (Tue 29th Apr) | 4.5ft (1.3m) 8s |
| Most Powerful | 8PM (Fri 2nd May) | 5.5ft (1.7m) 7s |
Table - best surf conditions forecast for Blonde Reef over the next 12 days.
Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 01 | Friday 02 | Saturday 03 | Sunday 04 | Monday 05 | Tuesday 06 | Wednesday 07 | Thursday 08 | Fri 09 | |||||||||||||||||||||||||
| 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) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 15 | 15 | 14 | 14 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 163 | 105 | 113 | 107 | 118 | 115 | 234 | 200 | 230 | 230 | 265 | 258 | 223 | 213 | 277 | 245 | 163 | 212 | 249 | 223 | 228 | 151 | 178 | 279 | 186 | 172 | 163 | 287 | 273 | 265 | 290 | 510 | 456 | 711 | 546 | 420 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | off | cross- off | cross | off | cross | cross | glass | cross | cross | cross | cross | cross | cross- off | cross | cross | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 2:50AM 0.49 | 4:14PM 0.91 | 3:26AM 0.42 | 5:03PM 0.90 | 4:04AM 0.35 | 5:57PM 0.84 | 4:47AM 0.30 | 6:57PM 0.78 | 5:46AM 0.25 | 8:06PM 0.72 | 7:40AM 0.22 | 9:17PM 0.67 | 9:59AM 0.26 | 10:19PM 0.64 | 11:23AM 0.35 | 11:08PM 0.62 | 12:16PM 0.44 | 11:46PM 0.59 | 12:56PM 0.53 | 12:17AM 0.56 | 1:30PM 0.62 | 12:45AM 0.53 | 2:01PM 0.69 | |||||||||||||
Low Tide / height (m) | 9:49PM 0.11 | 9:03AM -0.23 | 10:47PM 0.14 | 9:40AM -0.21 | 11:50PM 0.18 | 10:20AM -0.16 | 1:04AM 0.20 | 11:03AM -0.09 | 2:37AM 0.21 | 11:56AM -0.01 | 4:09AM 0.18 | 1:09PM 0.08 | 5:05AM 0.14 | 2:48PM 0.15 | 5:40AM 0.10 | 4:23PM 0.18 | 6:06AM 0.07 | 5:36PM 0.20 | 6:29AM 0.03 | 6:33PM 0.20 | 6:49AM -0.01 | 7:22PM 0.20 | 7:10AM -0.05 | |||||||||||||
Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 01 | Friday 02 | Saturday 03 | Sunday 04 | Monday 05 | Tuesday 06 | Wednesday 07 | Thursday 08 | Fri 09 | |||||||||||||||||||||||||
| Sunrise | - | 5:52 | - | - | 5:52 | - | - | 5:52 | - | - | 5:50 | - | - | 5:50 | - | - | 5:50 | - | - | 5:48 | - | - | 5:48 | - | - | 5:48 | - | - | 5:48 | - | - | 5:47 | - | - | 5:47 | - |
| Sunset | - | - | 6:42 | - | - | 6:42 | - | - | 6:43 | - | - | 6:43 | - | - | 6:43 | - | - | 6:44 | - | - | 6:44 | - | - | 6:44 | - | - | 6:45 | - | - | 6:45 | - | - | 6:45 | - | - | 6:45 |
 |  | | |  |  |  | | | |  | | | | | | | | | | | | | | | | | | | | | | | |  | | |
Rain (mm) | - | - | - | - | - | 12 | 1 | - | - | 4 | 2 | - | 2 | - | - | 2 | - | - | 5 | - | - | 2 | - | - | 1 | - | - | 2 | - | - | 3 | 1 | - | 3 | - | 1 |
| Temp. °C | 24 | 25 | 25 | 24 | 25 | 24 | 23 | 24 | 24 | 23 | 24 | 24 | 23 | 24 | 25 | 23 | 24 | 24 | 23 | 24 | 25 | 23 | 24 | 25 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 24 | 23 | 24 | 25 |
| Feels °C (?) | 25 | 24 | 23 | 25 | 24 | 25 | 23 | 25 | 25 | 26 | 25 | 24 | 25 | 25 | 25 | 24 | 24 | 25 | 25 | 24 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 26 | 26 | 24 | 25 | 24 | 24 | 25 | 24 | 25 |
Short Range Forecast: Moderate rain (total 13mm), heaviest on Tue afternoon. Warm (max 25°C on Mon morning, min 21°C on Tue afternoon). Wind will be generally light. | Days 3-6 Weather Summary Moderate rain (total 10mm), heaviest on Thu morning. Warm (max 25°C on Fri afternoon, min 22°C on Fri night). Wind will be generally light. | Days 6-9 Weather Summary Light rain (total 8mm), mostly falling on Sat night. Warm (max 25°C on Sun afternoon, min 23°C on Sat night). Wind will be generally light. | Long Range Forecast: Moderate rain (total 10mm), heaviest on Thu night. Warm (max 25°C on Fri afternoon, min 23°C on Tue night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
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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 Blonde Reef 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 Blonde Reef Surf forecast
The above surf forecast table for Blonde Reef provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Blonde Reef can be found by selecting the local surf guide option on the grey menu. Our Blonde Reef 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 (Blonde Reef) 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 Blonde Reef 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.
Blonde Reef is 5 km (3 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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