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:
Matosinhos surfForecast / Douro & Minho / Portugal
48hr Weather and Surf, issued 11 pm Saturday 13 Dec 2025 WETForecast update in hr min s Forecast update imminent
Matosinhos surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Matosinhos sea temperature is
15.2° C
(Which is normal for this time of year)How big are the waves at Matosinhos today?
The current surf forecast for Matosinhos at 2AM is: 2.0m 14s primary swell from a West-northwest direction (forecast issued at 11:00pm December 13). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 5.5ft (1.7m) | 13s |
| Afternoon (14 Dec) | 6ft (1.8m) | 13s |
| Evening (14 Dec) | 6.5ft (2.0m) | 14s |
Table - waves today at Matosinhos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| 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 | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 15 | 14 | 15 | 16 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2197 | 1800 | 1570 | 1127 | 983 | 968 | 1094 | 1325 | 1548 | 1657 | 1610 | 1387 | 1367 | 1215 | 1421 | 2139 | 1609 | 2906 | 2577 | 1776 | 2398 | 4456 | 4346 | 4186 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | cross- off | off | cross- off | glass | glass | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross | cross | glass | cross- off | cross | cross | cross | cross | cross |
High Tide / height (m) | 10:18PM 3.10 | 10:31AM 3.22 | 10:56PM 3.12 | 11:10AM 3.16 | 11:34PM 3.12 | 11:48AM 3.06 | ||||||||||||||||||
Low Tide / height (m) | 4:19AM 0.83 | 4:43PM 0.72 | 4:59AM 0.83 | 5:19PM 0.77 | 5:38AM 0.87 | 5:54PM 0.84 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:50 | - | - | - | - | - | - | - | 7:52 | - | - | - | - | - | - | - | 7:52 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:06 | - | - | - | - | - | - | - | 5:06 | - | - | - | - | - | - | - | 5:06 | - |
 | | | |  |  |  |  |  | | | | |  | |  |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 4 | 14 | 5 | 1 | - | - | 1 | 1 | - | - |
| Temp. °C | 15 | 14 | 13 | 13 | 12 | 14 | 15 | 14 | 14 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 14 | 13 |
| Feels °C (?) | 13 | 12 | 11 | 11 | 10 | 12 | 14 | 13 | 12 | 10 | 9 | 9 | 7 | 6 | 5 | 9 | 8 | 10 | 10 | 7 | 4 | 5 | 7 | 5 |
- 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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