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 1 pm Saturday 13 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
25.7° C
(Which is slightly warmer than usual)How big are the waves at Centers today?
The current surf forecast for Centers at 6PM is: 1.3m 6s primary swell from a Southwest direction and 0.3m 8s secondary swell from a East direction, 0.3m 11s secondary swell from a South-southwest direction (forecast issued at 01:00pm December 13). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 3ft (0.9m) | 4s |
| Afternoon (13 Dec) | 4.5ft (1.3m) | 5s |
| Evening (13 Dec) | 4.5ft (1.4m) | 6s |
Table - waves today at Centers. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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) (?) | 5 | 5 | 6 | 6 | 6 | 7 | 6 | 6 | 5 | 13 | 8 | 13 | 5 | 14 | 14 | 8 | 8 | 8 | 8 | 5 | 5 | 5 | 5 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 56 | 76 | 107 | 126 | 165 | 208 | 64 | 44 | 9 | 35 | 10 | 35 | 8 | 33 | 40 | 18 | 18 | 18 | 20 | 47 | 65 | 67 | 67 | 67 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | cross- on | cross- on | cross | cross | glass | glass | cross- on | cross- off | cross- off | glass | glass | on | on | on | cross- on | on | on | on | on | cross- on | cross- on |
High Tide / height (m) | 10:04AM 0.42 | 12:59AM 0.56 | 10:56AM 0.37 | 1:32AM 0.62 | 11:51AM 0.33 | 2:04AM 0.67 | ||||||||||||||||||
Low Tide / height (m) | 5:18PM 0.11 | 7:32AM 0.34 | 5:47PM 0.10 | 8:37AM 0.30 | 6:17PM 0.08 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:09 |
| Sunset | - | - | 5:55 | - | - | - | - | - | - | - | 5:55 | - | - | - | - | - | - | - | 5:57 | - | - | - | - | - |
 | |  |  | | |  | |  | | | |  | | | | | | | | |  | | | |
Rain (mm) | - | - | 1 | 1 | 1 | 1 | 1 | - | 1 | 2 | 1 | 1 | - | - | 2 | 4 | 3 | 1 | 1 | 3 | 2 | - | - | - |
| Temp. °C | 24 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 22 | 23 | 23 | 22 | 23 | 24 | 24 | 23 | 24 | 24 | 24 | 24 |
| Feels °C (?) | 23 | 24 | 24 | 24 | 25 | 25 | 25 | 26 | 27 | 26 | 26 | 26 | 24 | 26 | 25 | 23 | 24 | 24 | 24 | 24 | 26 | 25 | 25 | 25 |
- 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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