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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
48hr Weather and Surf, issued 1 am Monday 02 Mar 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)How big are the waves at Mahai'ula Bay today?
The current surf forecast for Mahai'ula Bay at 5AM is: 0.5m 11s primary swell from a Northwest direction (forecast issued at 01:00am March 02). An open ocean swell of 0.6m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Mar) | 1.5ft (0.5m) | 11s |
| Afternoon (02 Mar) | 1.5ft (0.5m) | 13s |
| Evening (02 Mar) | 2.5ft (0.7m) | 12s |
Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 02 | Tuesday 03 | Wednesday 04 | ||||||||||||||||||||||
| 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 11 | 11 | 11 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 112 | 91 | 63 | 99 | 58 | 84 | 167 | 152 | 147 | 147 | 149 | 149 | 118 | 116 | 114 | 112 | 112 | 110 | 108 | 61 | 59 | 58 | 41 | 40 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | cross- off | cross- off | on | cross- on | cross- off | cross- off | glass | glass | glass | glass | cross- on | glass | cross | cross- on | on | cross- off | cross- off | glass | on | cross- on | cross | cross- on |
High Tide / height (m) | 3:23AM 0.81 | 3:41PM 0.53 | 3:55AM 0.77 | 4:18PM 0.59 | 4:24AM 0.72 | 4:53PM 0.63 | ||||||||||||||||||
Low Tide / height (m) | 8:38PM 0.07 | 10:01AM 0.08 | 9:23PM 0.08 | 10:24AM 0.07 | 10:07PM 0.10 | 10:45AM 0.07 | ||||||||||||||||||
Monday 02 | Tuesday 03 | Wednesday 04 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:29 | - | - | - | - | - | - | - | 6:29 | - | - | - | - | - | - | - | 6:30 | - |
 | | |  | | | |  |  | | |  |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 23 | 23 | 23 | 24 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 25 | 25 | 25 | 24 | 23 | 23 | 22 | 23 | 24 | 25 | 24 | 24 |
| Feels °C (?) | 25 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 27 | 26 | 25 | 26 | 25 | 27 | 26 | 26 | 25 | 26 | 23 | 26 | 26 | 27 | 24 | 26 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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