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:
Santa Maria de Oia surfForecast / Galicia / Spain
48hr Weather and Surf, issued 12 am Friday 12 Dec 2025 CETForecast update in hr min s Forecast update imminent
Santa Maria de Oia surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Santa Maria de Oia sea temperature is
15.3° C
(Which is normal for this time of year)How big are the waves at Santa Maria de Oia today?
The current surf forecast for Santa Maria de Oia at 6AM is: 4.0m 16s primary swell from a West-northwest direction (forecast issued at 12:00am December 12). An open ocean swell of 1.1m 6s is not directed at the surf break, a second open ocean swell of 1.7m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 13ft (4.0m) | 16s |
| Afternoon (12 Dec) | 16ft (5.0m) | 19s |
| Evening (12 Dec) | 18ft (5.5m) | 18s |
Table - waves today at Santa Maria de Oia. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 14 | 16 | 16 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4779 | 4933 | 3491 | 7479 | 8461 | 16088 | 19425 | 18815 | 17220 | 14972 | 13090 | 11602 | 8902 | 7244 | 5965 | 4275 | 3496 | 3292 | 2569 | 2113 | 1939 | 1862 | 1862 | 2369 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | cross | cross | cross | cross- on | cross- on | cross- on | cross | cross | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | off | cross- off | glass | glass | off |
High Tide / height (m) | 9:24PM 2.28 | 9:44AM 2.50 | 10:30PM 2.24 | 10:50AM 2.40 | 11:34PM 2.27 | 11:52AM 2.36 | ||||||||||||||||||
Low Tide / height (m) | 3:19AM 0.89 | 4:13PM 0.79 | 4:29AM 0.96 | 5:16PM 0.83 | 5:38AM 0.96 | 6:12PM 0.83 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:52 | - | - | - | - | - | - | - | 8:53 | - | - | - | - | - | - | - | 8:55 | - | - | - |
| Sunset | - | - | - | - | - | - | 6:04 | - | - | - | - | - | - | - | 6:04 | - | - | - | - | - | - | - | 6:04 | - |
 |  | |  |  | |  | | | |  |  |  | | | | | | | | | | | | |
Rain (mm) | 3 | 14 | 12 | 7 | 4 | 1 | - | 3 | 4 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 12 | 11 | 11 | 10 | 11 | 11 | 10 | 10 | 12 | 11 | 11 | 10 | 13 | 15 | 14 | 13 | 12 | 12 | 11 | 11 | 14 | 15 | 13 |
| Feels °C (?) | 8 | 8 | 7 | 7 | 6 | 6 | 4 | 3 | 3 | 6 | 7 | 8 | 7 | 11 | 13 | 13 | 11 | 10 | 10 | 9 | 9 | 13 | 14 | 12 |
- 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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