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Surf Forecasts:
Kua Bay surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 1 pm Friday 05 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Kua Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kua Bay sea temperature is
26.4° C
(Which is slightly warmer than usual)How big are the waves at Kua Bay today?
The current surf forecast for Kua Bay at 6PM is: 0.4m 17s primary swell from a North-northwest direction and 0.6m 12s secondary swell from a West-northwest direction (forecast issued at 01:00pm December 05). An open ocean swell of 0.8m 8s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Dec) | 2.5ft (0.7m) | 13s |
| Afternoon (05 Dec) | 2ft (0.6m) | 12s |
| Evening (05 Dec) | 1.5ft (0.4m) | 16s |
Table - waves today at Kua Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 05 | Saturday 06 | Sunday 07 | Monday 08 | |||||||||||||||||||||
| 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 | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 16 | 14 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 13 | 13 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 103 | 99 | 101 | 103 | 56 | 102 | 130 | 126 | 121 | 113 | 108 | 74 | 60 | 57 | 56 | 53 | 30 | 28 | 54 | 55 | 33 | 30 | 29 | 28 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | on | glass | cross- off | cross- off | glass | glass | cross- on | cross | cross | cross- off | cross- off | cross- off | glass | cross- off | glass | cross- off | cross | cross- off | glass | glass | glass | cross- off | glass |
High Tide / height (m) | 3:58PM 0.32 | 4:57AM 0.96 | 4:49PM 0.30 | 5:44AM 0.92 | 5:46PM 0.30 | 6:30AM 0.86 | ||||||||||||||||||
Low Tide / height (m) | 11:27AM 0.12 | 9:26PM -0.03 | 12:18PM 0.12 | 10:10PM 0.01 | 1:09PM 0.12 | 10:56PM 0.06 | ||||||||||||||||||
Friday 05 | Saturday 06 | Sunday 07 | Monday 08 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:46 |
| Sunset | - | - | 5:44 | - | - | - | - | - | - | - | 5:44 | - | - | - | - | - | - | - | 5:44 | - | - | - | - | - |
 | |  |  | | |  | |  | | | | | | | | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - |
| Temp. °C | 26 | 25 | 26 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 24 |
| Feels °C (?) | 27 | 27 | 29 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 26 | 25 | 25 | 26 | 27 | 25 | 27 | 26 | 26 | 25 | 26 |
- 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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