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:
Cala De Meron surfForecast / Asturias / Spain
48hr Weather and Surf, issued 6 am Sunday 14 Dec 2025 CETForecast update in hr min s Forecast update imminent
Cala De Meron surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cala De Meron sea temperature is
14.6° C
(Which is slightly warmer than usual)How big are the waves at Cala De Meron today?
The current surf forecast for Cala De Meron at 9AM is: 1.8m 14s primary swell from a Northwest direction (forecast issued at 06:00am December 14). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 6ft (1.8m) | 14s |
| Afternoon (14 Dec) | 5.5ft (1.7m) | 13s |
| Evening (14 Dec) | 6ft (1.8m) | 13s |
Table - waves today at Cala De Meron. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| 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) (?) | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 16 | 16 | 15 | 15 | 16 | 15 | 15 | 15 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1761 | 1512 | 1161 | 1011 | 1011 | 1116 | 1197 | 1127 | 974 | 984 | 814 | 802 | 925 | 827 | 834 | 1919 | 1833 | 2372 | 2295 | 3725 | 3745 | 1669 | 1624 | 1712 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | glass | off | glass | cross | glass | off | off | off | off | cross- off | off | off | cross- off | off | off | glass | cross- off | on | glass | on | on | on | on |
High Tide / height (m) | 12:32PM 2.82 | 1:09AM 2.80 | 1:28PM 2.85 | 1:57AM 2.92 | 2:16PM 2.92 | |||||||||||||||||||
Low Tide / height (m) | 6:09AM 1.12 | 6:42PM 0.98 | 7:08AM 1.05 | 7:32PM 0.93 | 7:58AM 0.94 | 8:16PM 0.86 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| Sunrise | - | - | 8:45 | - | - | - | - | - | - | - | 8:47 | - | - | - | - | - | - | - | 8:48 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - |
 | |  |  | | | | | |  |  | | |  | | | | |  | | |  |  |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 3 | 5 | 5 | 2 | 6 |
| Temp. °C | 10 | 9 | 10 | 14 | 14 | 11 | 10 | 9 | 10 | 10 | 11 | 15 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 |
| Feels °C (?) | 9 | 7 | 8 | 13 | 13 | 10 | 8 | 6 | 7 | 7 | 9 | 13 | 11 | 11 | 10 | 9 | 9 | 9 | 10 | 11 | 10 | 8 | 8 | 9 |
- 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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