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Mahai'ula Bay Surf Forecast
/ HAW – Big Island (60 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Mahai'ula Bay surfForecast / HAW – Big Island / USA
12 Day Weather and Surf, issued 7 am Saturday 28 Feb 2026 HSTForecast update in hr min s Forecast update imminent
Mahai'ula Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mahai'ula Bay sea temperature is
24.7° C
(Which is normal for this time of year)Best Forecast Surf Conditions for Mahai'ula Bay this week:
The surf forecast for Mahai'ula Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Mar 01) at 5AM. The primary swell is predicted to be 0.5m and 14s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Mahai'ula Bay in the next 12 days are 0.7m 13s and forecast to arrive on Monday (Mar 02) at 5PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 7s period and expected on Wednesday (Mar 04) at 8PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sun 1st Mar) | 1.5ft (0.5m) 14s |
| Best Surf | 5AM (Sun 1st Mar) | 1.5ft (0.5m) 14s |
| Most Powerful | 5PM (Mon 2nd Mar) | 2.5ft (0.7m) 13s |
Table - best surf conditions forecast for Mahai'ula Bay over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Some drizzle, heaviest during Mon night. Warm (max 25°C on Sat afternoon, min 23°C on Sat morning). Wind will be generally light. | Days 3-6 Weather Summary Mostly dry. Warm (max 25°C on Tue morning, min 23°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||
Saturday 28 | Sunday 01 | Monday 02 | Tuesday 03 | Wednesday 04 | Thursday 05 | Friday 06 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 14 | 13 | 12 | 12 | 11 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 6 | 15 | 14 | 13 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 11 | 0 | 54 | 114 | 118 | 91 | 58 | 167 | 147 | 118 | 114 | 110 | 59 | 41 | 28 | 15 | 15 | 0 | 56 | 73 | 70 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross | on | cross- on | glass | on | glass | glass | on | cross | off | cross- on | cross | cross- off | cross- on | cross- off | glass | cross | on | cross |
High Tide / height (m) | 2:23PM 0.40 | 2:48AM 0.83 | 3:04PM 0.46 | 3:23AM 0.81 | 3:41PM 0.53 | 3:55AM 0.77 | 4:18PM 0.59 | 4:24AM 0.72 | 4:53PM 0.63 | 4:50AM 0.65 | 5:29PM 0.66 | 5:15AM 0.57 | 6:06PM 0.67 | ||||||||
Low Tide / height (m) | 9:13AM 0.12 | 7:48PM 0.07 | 9:38AM 0.10 | 8:38PM 0.07 | 10:01AM 0.08 | 9:23PM 0.08 | 10:24AM 0.07 | 10:07PM 0.10 | 10:45AM 0.07 | 10:49PM 0.14 | 11:06AM 0.07 | 11:32PM 0.19 | 11:27AM 0.08 | 12:18AM 0.23 | |||||||
Saturday 28 | Sunday 01 | Monday 02 | Tuesday 03 | Wednesday 04 | Thursday 05 | Friday 06 | |||||||||||||||
| Sunrise | 6:43 | - | - | 6:43 | - | - | 6:43 | - | - | 6:41 | - | - | 6:41 | - | - | 6:39 | - | - | 6:39 | - | - |
| Sunset | - | 6:28 | - | - | 6:29 | - | - | 6:29 | - | - | 6:29 | - | - | 6:30 | - | - | 6:30 | - | - | 6:30 | - |
 | |  | | | | | |  | | |  | | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 25 | 24 | 25 | 25 | 24 | 24 | 25 | 24 | 25 | 25 | 24 | 25 | 25 | 24 | 24 | 25 | 24 | 24 | 25 | 24 |
| Feels °C (?) | 25 | 26 | 26 | 27 | 26 | 27 | 26 | 28 | 27 | 27 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 25 | 24 | 26 | 25 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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 Mahai'ula Bay 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 Mahai'ula Bay Surf forecast
The above surf forecast table for Mahai'ula Bay provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Mahai'ula Bay can be found by selecting the local surf guide option on the grey menu. Our Mahai'ula Bay 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 (Mahai'ula Bay) 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 Mahai'ula Bay 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.
Mahai'ula Bay is 100 km (62 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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