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:
Santo Amaro surfForecast / Lisboa / Portugal
48hr Weather and Surf, issued 5 am Sunday 14 Dec 2025 WETForecast update in hr min s Forecast update imminent
Santo Amaro surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Santo Amaro sea temperature is
15.8° C
(Which is slightly cooler than normal)How big are the waves at Santo Amaro today?
The current surf forecast for Santo Amaro at 12PM is: 2.3m 13s primary swell from a Northwest direction and 0.2m 11s secondary swell from a South-southeast direction (forecast issued at 05:00am December 14). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 8ft (2.5m) | 13s |
| Afternoon (14 Dec) | 7.5ft (2.3m) | 13s |
| Evening (14 Dec) | 8ft (2.4m) | 14s |
Table - waves today at Santo Amaro. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3336 | 2803 | 2243 | 1783 | 1783 | 1944 | 2153 | 2259 | 2281 | 2148 | 2088 | 1821 | 1630 | 2022 | 1408 | 3406 | 2345 | 4077 | 6389 | 8147 | 8946 | 8853 | 8070 | 5552 |
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- off | cross- off | cross- off | cross | cross- on | on | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off |
High Tide / height (m) | 10:26AM 2.18 | 11:04PM 2.17 | 11:21AM 2.20 | 11:51PM 2.27 | 12:09PM 2.25 | |||||||||||||||||||
Low Tide / height (m) | 4:13AM 0.89 | 4:47PM 0.76 | 5:12AM 0.83 | 5:34PM 0.72 | 6:01AM 0.74 | 6:16PM 0.66 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| Sunrise | - | - | 7:46 | - | - | - | - | - | - | - | 7:47 | - | - | - | - | - | - | - | 7:48 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - |
 | |  | |  |  | |  | | | | |  |  |  | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 3 | 5 | 1 | 1 | 3 | 2 | 1 | 1 | 3 | 1 | - |
| Temp. °C | 12 | 11 | 11 | 13 | 16 | 15 | 14 | 13 | 11 | 12 | 13 | 16 | 14 | 14 | 11 | 12 | 12 | 12 | 12 | 13 | 13 | 12 | 12 | 12 |
| Feels °C (?) | 8 | 7 | 7 | 9 | 12 | 13 | 13 | 11 | 9 | 11 | 12 | 14 | 10 | 9 | 6 | 5 | 6 | 3 | 2 | 4 | 3 | 4 | 6 | 7 |
- 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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