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:
Kiholo Bay surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 7 am Saturday 13 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Kiholo Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kiholo Bay sea temperature is
26.1° C
(Which is slightly warmer than usual)How big are the waves at Kiholo Bay today?
The current surf forecast for Kiholo Bay at 2PM is: 0.8m 12s primary swell from a North direction and 0.2m 10s secondary swell from a West-northwest direction, 0.4m 3s secondary swell from a Southwest direction (forecast issued at 07:00am December 13). The wind direction is predicted to be cross-onshore.
| 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 Kiholo Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| 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 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 15 | 15 | 15 | 14 | 14 | 13 | 15 | 15 | 15 | 14 | 14 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 119 | 127 | 101 | 172 | 116 | 112 | 112 | 79 | 73 | 48 | 48 | 59 | 56 | 85 | 180 | 236 | 427 | 465 | 541 | 610 | 569 | 649 | 515 | 507 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross- on | cross | cross- off | cross | cross- off | cross | cross- off | cross- on | cross- on | cross- on | cross | cross | glass | glass | glass | on | on | cross | cross- on | cross | cross |
High Tide / height (m) | 10:23AM 0.46 | 12:51AM 0.63 | 11:22AM 0.41 | 1:27AM 0.69 | 12:20PM 0.36 | 2:00AM 0.75 | ||||||||||||||||||
Low Tide / height (m) | 5:53AM 0.37 | 5:20PM 0.12 | 7:25AM 0.34 | 5:52PM 0.11 | 8:27AM 0.29 | 6:24PM 0.09 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| Sunrise | - | 6:48 | - | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:46 | - | - | - |
 |  | | | | | | | | | | | |  |  | |  |  |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 27 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 25 | 25 | 24 | 24 |
| Feels °C (?) | 24 | 24 | 27 | 25 | 27 | 26 | 24 | 24 | 25 | 25 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 27 | 27 |
- 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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