Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Kua Bay surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 1 am Saturday 13 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
26.1° C
(Which is slightly warmer than usual)How big are the waves at Kua Bay today?
The current surf forecast for Kua Bay at 5AM is: 0.7m 11s primary swell from a North direction and 0.3m 7s secondary swell from a West-northwest direction (forecast issued at 01:00am December 13). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 2.5ft (0.7m) | 12s |
| Afternoon (13 Dec) | 2.5ft (0.8m) | 12s |
| Evening (13 Dec) | 2.5ft (0.7m) | 11s |
Table - waves today at Kua Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 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 | 11 | 11 | 11 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 15 | 15 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 69 | 85 | 119 | 127 | 101 | 172 | 116 | 112 | 112 | 79 | 73 | 48 | 47 | 59 | 55 | 85 | 136 | 236 | 434 | 408 | 534 | 610 | 561 | 640 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | glass | cross | cross | on | cross- on | cross- off | cross- off |
High Tide / height (m) | 12:09AM 0.56 | 10:30AM 0.46 | 12:52AM 0.63 | 11:30AM 0.41 | 1:28AM 0.70 | 12:29PM 0.37 | ||||||||||||||||||
Low Tide / height (m) | 5:56AM 0.37 | 5:23PM 0.12 | 7:27AM 0.33 | 5:56PM 0.11 | 8:27AM 0.28 | 6:29PM 0.10 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:46 | - |
 | | |  | | | | | | | | | | | |  | | |  |  |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 24 | 24 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 23 | 24 | 25 | 25 | 24 | 25 |
| Feels °C (?) | 24 | 23 | 22 | 23 | 24 | 25 | 26 | 25 | 24 | 23 | 25 | 25 | 26 | 26 | 25 | 26 | 27 | 28 | 26 | 26 | 27 | 27 | 26 | 28 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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