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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 7 am Thursday 27 Nov 2025 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
26.2° C
(Which is slightly warmer than usual)How big are the waves at Mahai'ula Bay today?
The current surf forecast for Mahai'ula Bay at 2PM is: 0.9m 15s primary swell from a Northwest direction and 0.3m 2s secondary swell from a North direction (forecast issued at 07:00am November 27). An open ocean swell of 0.4m 12s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Nov) | 3ft (0.9m) | 15s |
| Afternoon (27 Nov) | 3ft (0.9m) | 15s |
| Evening (27 Nov) | 2.5ft (0.8m) | 15s |
Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 27 | Friday 28 | Saturday 29 | Sun 30 | |||||||||||||||||||||
| 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 | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 12 | 21 | 20 | 19 | 18 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 280 | 322 | 370 | 318 | 314 | 258 | 262 | 258 | 251 | 248 | 297 | 224 | 202 | 187 | 151 | 148 | 114 | 84 | 33 | 35 | 463 | 1235 | 2197 | 2690 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross | cross- on | on | cross- off | cross- off | glass | cross- on | glass | glass | cross- on | on | glass | cross- off | cross | glass | glass | cross | on | on | cross- on | glass | cross- off | cross- off |
High Tide / height (m) | 8:40AM 0.66 | 10:47PM 0.39 | 9:34AM 0.62 | 11:48PM 0.49 | 10:33AM 0.56 | 12:35AM 0.61 | ||||||||||||||||||
Low Tide / height (m) | 4:25PM 0.14 | 2:51AM 0.32 | 4:59PM 0.11 | 4:51AM 0.34 | 5:32PM 0.08 | |||||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | Sun 30 | |||||||||||||||||||||
| Sunrise | - | 6:39 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:43 | - | - | - |
 |  |  | | |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 25 | 25 | 24 | 24 | 23 | 23 |
| Feels °C (?) | 26 | 25 | 25 | 26 | 27 | 25 | 27 | 26 | 26 | 27 | 27 | 26 | 28 | 25 | 26 | 26 | 26 | 25 | 26 | 25 | 26 | 26 | 24 | 24 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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