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 pm Sunday 14 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
26.2° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Kiholo Bay today?
The current surf forecast for Kiholo Bay at 10PM is: 0.7m 14s primary swell from a West-northwest direction and 0.6m 8s secondary swell from a West-northwest direction (forecast issued at 07:00pm December 14). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | - | - |
| Afternoon (14 Dec) | 1.5ft (0.4m) | 15s |
| Evening (14 Dec) | 1.5ft (0.4m) | 15s |
Table - waves today at Kiholo Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| 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) (?) | 15 | 15 | 14 | 14 | 13 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 56 | 86 | 180 | 236 | 396 | 465 | 534 | 610 | 569 | 649 | 515 | 515 | 515 | 420 | 407 | 401 | 365 | 236 | 233 | 292 | 342 | 347 | 342 | 277 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross- off | cross- off | cross- off | cross- off | on | cross- on | cross- on | cross | cross- on | on | cross- off | glass | cross- on | cross- on | on | glass | cross | cross- off | glass | glass | on | glass |
High Tide / height (m) | 1:27AM 0.69 | 12:20PM 0.36 | 2:00AM 0.75 | 1:13PM 0.34 | 2:33AM 0.79 | 1:58PM 0.32 | ||||||||||||||||||
Low Tide / height (m) | 5:52PM 0.11 | 8:27AM 0.29 | 6:24PM 0.09 | 9:11AM 0.24 | 6:58PM 0.08 | 9:48AM 0.21 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - |
| Sunset | 5:45 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - |
 |  |  | | | | |  | |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 24 | 24 | 24 | 24 | 24 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 26 | 25 |
| Feels °C (?) | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 28 | 27 | 26 | 27 | 27 | 28 | 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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