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:
Alvor surfForecast / Algarve / Portugal
48hr Weather and Surf, issued 5 pm Monday 15 Dec 2025 WETForecast update in hr min s Forecast update imminent
Alvor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Alvor sea temperature is
16.4° C
(Which is 1.1°C colder than average for this time of year)Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 3 | 4 | 5 | 13 | 13 | 10 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 24 | 23 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2 | 11 | 43 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | off | off | off | off | off | off | glass | cross- on | on |
High Tide / height (m) | 11:38PM 2.32 | 11:56AM 2.29 | 12:19AM 2.42 | 12:39PM 2.36 | 12:57AM 2.52 | |||||||||||||||||||
Low Tide / height (m) | 5:20PM 0.74 | 5:47AM 0.75 | 6:02PM 0.68 | 6:29AM 0.65 | 6:40PM 0.61 | 7:07AM 0.55 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:39 | - | - | - | - | - | - | - | 7:41 | - | - | - | - | - | - | - | 7:41 | - |
| Sunset | 5:17 | - | - | - | - | - | - | - | 5:17 | - | - | - | - | - | - | - | 5:17 | - | - | - | - | - | - | - |
 |  |  |  | | |  | |  |  |  |  | | |  | | | | | | | | |  | |
Rain (mm) | 2 | 1 | 8 | 3 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 15 | 13 | 12 | 13 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 11 | 10 | 14 | 16 | 14 | 13 | 13 | 13 | 12 | 13 | 15 |
| Feels °C (?) | 13 | 11 | 7 | 5 | 4 | 3 | 2 | 3 | 2 | 3 | 4 | 6 | 6 | 6 | 5 | 9 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 13 |
- 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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