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:
Serans surfForecast / Galicia / Spain
48hr Weather and Surf, issued 6 am Wednesday 17 Dec 2025 CETForecast update in hr min s Forecast update imminent
Serans surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Serans sea temperature is
14.4° C
(Which is normal for this time of year)How big are the waves at Serans today?
The current surf forecast for Serans at 9AM is: 3.0m 13s primary swell from a West-northwest direction (forecast issued at 06:00am December 17). The wind direction is predicted to be cross-onshore.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 10ft (3.0m) | 13s |
| Afternoon (17 Dec) | 7.5ft (2.3m) | 13s |
| Evening (17 Dec) | 7ft (2.1m) | 12s |
Table - waves today at Serans. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 23 | 21 | 20 | 19 | 19 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 17 | 17 | 17 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3394 | 2889 | 2477 | 2059 | 1687 | 1451 | 1483 | 1884 | 4855 | 17110 | 17647 | 16538 | 17696 | 13025 | 11980 | 10559 | 11107 | 10336 | 9391 | 9321 | 7368 | 6427 | 5733 | 4474 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- on | cross- on | on | on | on | on | cross- on | on | glass | cross- off |
High Tide / height (m) | 2:24PM 2.52 | 2:42AM 2.71 | 3:03PM 2.59 | 3:19AM 2.80 | 3:40PM 2.65 | |||||||||||||||||||
Low Tide / height (m) | 8:15AM 0.69 | 8:26PM 0.65 | 8:54AM 0.58 | 9:03PM 0.58 | 9:32AM 0.50 | 9:40PM 0.53 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | - | - | 9:00 | - | - | - | - | - | - | - | 9:00 | - | - | - | - | - | - | - | 9:00 | - | - | - | - | - |
| Sunset | - | - | - | - | 6:02 | - | - | - | - | - | - | - | 6:04 | - | - | - | - | - | - | - | 6:04 | - | - | - |
 | |  | |  |  | | | | | |  |  |  |  | | |  |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 1 | 12 | 15 | 5 | 1 | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 9 | 9 | 10 | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 12 | 12 | 11 | 10 | 10 |
| Feels °C (?) | 8 | 7 | 7 | 7 | 8 | 7 | 8 | 7 | 5 | 4 | 3 | 2 | 8 | 10 | 8 | 7 | 7 | 6 | 7 | 9 | 8 | 8 | 8 | 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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