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:
Centers surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 7 am Friday 12 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Centers surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Centers sea temperature is
25.6° C
(Which is slightly warmer than usual)How big are the waves at Centers today?
The current surf forecast for Centers at 10AM is: 0.4m 13s primary swell from a South-southwest direction (forecast issued at 07:00am December 12). An open ocean swell of 0.8m 11s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 1.5ft (0.4m) | 13s |
| Afternoon (12 Dec) | 1.5ft (0.4m) | 12s |
| Evening (12 Dec) | 1ft (0.3m) | 12s |
Table - waves today at Centers. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 5 | 5 | 6 | 6 | 7 | 8 | 8 | 10 | 7 | 13 | 13 | 9 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 58 | 57 | 55 | 50 | 29 | 28 | 29 | 29 | 28 | 28 | 28 | 49 | 74 | 100 | 131 | 175 | 265 | 304 | 356 | 40 | 35 | 35 | 31 | 33 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross- on | on | on | on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on |
High Tide / height (m) | 9:18AM 0.48 | 12:19AM 0.49 | 10:04AM 0.42 | 12:59AM 0.56 | 10:56AM 0.37 | 1:32AM 0.62 | ||||||||||||||||||
Low Tide / height (m) | 3:33AM 0.35 | 4:49PM 0.12 | 5:51AM 0.36 | 5:18PM 0.11 | 7:32AM 0.34 | 5:47PM 0.10 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| Sunrise | - | 7:05 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:55 | - | - | - | - | - | - | - | 5:55 | - | - | - | - | - | - | - | 5:55 | - | - | - |
 |  | | | | | | |  |  |  | | |  |  | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | - | 1 | 1 | 1 | 1 | 1 | 1 | 4 |
| Temp. °C | 21 | 21 | 23 | 24 | 23 | 22 | 22 | 22 | 22 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 25 | 25 | 24 | 23 | 23 | 23 |
| Feels °C (?) | 22 | 22 | 23 | 24 | 23 | 23 | 23 | 23 | 22 | 23 | 23 | 24 | 23 | 23 | 23 | 24 | 25 | 26 | 27 | 26 | 26 | 25 | 25 | 24 |
- 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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