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:
Riviera Shorebreak surfForecast / Sinaloa / Mexico
48hr Weather and Surf, issued 4 am Thursday 11 Dec 2025 MSTForecast update in hr min s Forecast update imminent
Riviera Shorebreak surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Riviera Shorebreak sea temperature is
24.4° C
(Which is normal for this time of year)How big are the waves at Riviera Shorebreak today?
The current surf forecast for Riviera Shorebreak at 8AM is: 0.4m 12s primary swell from a South-southwest direction and 0.4m 5s secondary swell from a West-northwest direction (forecast issued at 04:00am December 11). The wind direction is predicted to be offshore.
| Time (MST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 1.5ft (0.4m) | 12s |
| Afternoon (11 Dec) | 1.5ft (0.4m) | 12s |
| Evening (11 Dec) | 1.5ft (0.4m) | 12s |
Table - waves today at Riviera Shorebreak. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||||||||||
| 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 10 | 10 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 68 | 64 | 58 | 29 | 37 | 37 | 37 | 57 | 58 | 60 | 62 | 25 | 24 | 24 | 23 | 24 | 46 | 46 | 47 | 47 | 46 | 35 | 19 | 39 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | off | on | cross- on | cross- on | cross | cross | glass | off | cross- off | cross- on | on | cross- on | cross | cross- off | cross- off | cross- off | glass | on | cross- on | cross- on | cross | cross |
High Tide / height (m) | 3:18AM 1.23 | 1:15PM 1.05 | 4:04AM 1.30 | 4:26PM 1.02 | 4:35AM 1.37 | 6:00PM 1.09 | ||||||||||||||||||
Low Tide / height (m) | 10:26AM 1.03 | 8:28PM 0.76 | 11:24AM 0.84 | 9:52PM 0.85 | 11:55AM 0.66 | 10:50PM 0.90 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||||||||||
| Sunrise | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:21 | - | - | - | - | - | - | - | 5:21 | - | - |
 |  |  | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 21 | 21 | 25 | 25 | 23 | 22 | 22 | 21 | 21 | 21 | 24 | 24 | 23 | 22 | 21 | 21 | 20 | 21 | 24 | 24 | 23 | 22 | 21 |
| Feels °C (?) | 21 | 21 | 20 | 24 | 25 | 22 | 21 | 22 | 22 | 21 | 21 | 24 | 24 | 23 | 22 | 21 | 22 | 20 | 22 | 24 | 23 | 22 | 21 | 20 |
- 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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