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:
Miami surfForecast / Rio Grande Do Norte / Brazil
48hr Weather and Surf, issued 8 pm Thursday 11 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Miami surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Miami sea temperature is
27.8° C
(Which is slightly warmer than usual)How big are the waves at Miami today?
The current surf forecast for Miami at 1AM is: 1.2m 7s primary swell from a East direction (forecast issued at 08:00pm December 11). An open ocean swell of 0.6m 13s is not directed at the surf break, a second open ocean swell of 0.5m 9s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 4.5ft (1.3m) | 7s |
| Afternoon (12 Dec) | 4.5ft (1.3m) | 7s |
| Evening (12 Dec) | 4ft (1.2m) | 7s |
Table - waves today at Miami. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thu 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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 | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 96 | 92 | 134 | 138 | 161 | 161 | 161 | 166 | 166 | 142 | 161 | 138 | 161 | 138 | 161 | 161 | 171 | 166 | 161 | 157 | 157 | 157 | 157 | 134 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross- on | on | on | on | on | on | on | on |
High Tide / height (m) | 9:49PM 1.76 | 10:23AM 1.61 | 11:01PM 1.72 | 11:32AM 1.59 | 12:10AM 1.73 | 12:34PM 1.63 | ||||||||||||||||||
Low Tide / height (m) | 3:28PM 0.53 | 4:15AM 0.57 | 4:36PM 0.58 | 5:28AM 0.61 | 5:45PM 0.57 | 6:32AM 0.59 | ||||||||||||||||||
Thu 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:00 | - | - | - | - | - | - | - | 5:00 | - | - | - | - | - | - | - | 5:01 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 5:27 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 |
 | | |  |  |  | | | | | | | | | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - |
| Temp. °C | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 28 |
| Feels °C (?) | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 26 | 27 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 28 |
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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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