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Surf Forecasts:
Kapaniah surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 7 am Saturday 21 Mar 2026 HSTForecast update in hr min s Forecast update imminent
Kapaniah surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kapaniah sea temperature is
24.6° C
(Which is normal for this time of year)How big are the waves at Kapaniah today?
The current surf forecast for Kapaniah at 2PM is: 1.3m 10s primary swell from a North direction and 0.4m 7s secondary swell from a East direction (forecast issued at 07:00am March 21). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 4ft (1.2m) | 11s |
| Afternoon (21 Mar) | 4.5ft (1.3m) | 11s |
| Evening (21 Mar) | 5ft (1.6m) | 11s |
Table - waves today at Kapaniah. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | |||||||||||||||||||||
| 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) (?) | 11 | 11 | 11 | 10 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 277 | 323 | 317 | 352 | 529 | 678 | 628 | 533 | 441 | 308 | 255 | 188 | 231 | 227 | 206 | 202 | 194 | 194 | 156 | 123 | 125 | 118 | 109 | 132 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | glass | glass | off | glass | cross- off | glass | glass | glass | cross- off | cross- off | cross | cross- on | cross- on | cross | cross | glass | on | on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 3:47AM 0.69 | 5:04PM 0.87 | 4:09AM 0.61 | 5:58PM 0.85 | 4:24AM 0.54 | 7:07PM 0.82 | ||||||||||||||||||
Low Tide / height (m) | 10:07AM 0.05 | 11:15PM 0.36 | 10:37AM 0.06 | 12:23AM 0.44 | 11:11AM 0.09 | |||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | |||||||||||||||||||||
| Sunrise | - | 6:26 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:34 | - | - | - | - | - | - | - | 6:34 | - | - | - | - | - | - | - | 6:34 | - | - | - |
 |  |  |  | |  |  | | |  | |  | | | | | | | | | | | |  | |
Rain (mm) | - | 1 | 1 | 1 | 1 | - | 1 | - | 1 | - | 3 | 6 | 3 | - | - | - | - | 1 | 3 | 5 | 2 | - | - | - |
| Temp. °C | 24 | 24 | 26 | 26 | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 22 | 24 | 22 | 22 | 22 | 22 | 23 | 24 | 22 | 23 | 22 | 22 | 22 |
| Feels °C (?) | 27 | 26 | 29 | 30 | 28 | 29 | 27 | 27 | 27 | 27 | 25 | 23 | 25 | 22 | 22 | 23 | 24 | 26 | 26 | 23 | 23 | 22 | 22 | 23 |
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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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