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Surf Forecasts:
Manini Beach surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 7 pm Friday 20 Mar 2026 HSTForecast update in hr min s Forecast update imminent
Manini Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Manini Beach sea temperature is
25.0° C
(Which is slightly warmer than usual)How big are the waves at Manini Beach today?
The current surf forecast for Manini Beach at 12AM is: 0.5m 19s primary swell from a Southwest direction and 0.6m 12s secondary swell from a South direction, 0.4m 4s secondary swell from a South-southwest direction (forecast issued at 07:00pm March 20). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | - | - |
| Afternoon (21 Mar) | 2ft (0.6m) | 13s |
| Evening (21 Mar) | 2ft (0.6m) | 12s |
Table - waves today at Manini Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| 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 | 5 AM | 8 AM | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 19 | 19 | 19 | 18 | 19 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 112 | 105 | 181 | 175 | 84 | 115 | 108 | 107 | 152 | 152 | 166 | 148 | 153 | 153 | 147 | 142 | 140 | 138 | 180 | 134 | 137 | 120 | 116 | 68 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | glass | cross- off | cross- off | glass | glass | cross- off | glass | glass | glass | glass | glass | glass | on | glass | glass |
High Tide / height (m) | 5:19PM 0.58 | 4:56AM 0.44 | 6:08PM 0.58 | 5:21AM 0.37 | 7:03PM 0.57 | 5:42AM 0.31 | ||||||||||||||||||
Low Tide / height (m) | 11:25PM 0.07 | 11:14AM -0.09 | 12:19AM 0.12 | 11:47AM -0.08 | 1:29AM 0.17 | 12:25PM -0.05 | ||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:24 | - | - |
| Sunset | 6:34 | - | - | - | - | - | - | - | 6:34 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - |
 |  | |  | |  |  |  | |  |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | 1 | - | 1 | 1 | 3 | 1 | 3 | 5 | 4 | 1 | 1 | - | - | - | 1 | 1 | 2 | 1 | 2 |
| Temp. °C | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 24 | 23 | 24 | 25 | 26 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 22 |
| Feels °C (?) | 27 | 28 | 28 | 27 | 26 | 27 | 28 | 28 | 28 | 28 | 28 | 26 | 27 | 27 | 25 | 27 | 27 | 27 | 27 | 28 | 26 | 26 | 26 | 25 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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