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 am Saturday 13 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 3PM is: 1.2m 7s primary swell from a East-southeast direction (forecast issued at 08:00am December 13). An open ocean swell of 0.8m 16s is not directed at the surf break, a second open ocean swell of 0.6m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 4ft (1.2m) | 7s |
| Afternoon (13 Dec) | 4ft (1.2m) | 7s |
| Evening (13 Dec) | 4.5ft (1.3m) | 7s |
Table - waves today at Miami. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| 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 | 6 PM | 9 PM | 0 AM | 3 AM | |
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 (?) | 138 | 134 | 143 | 143 | 171 | 171 | 187 | 187 | 187 | 191 | 192 | 166 | 166 | 161 | 187 | 179 | 181 | 181 | 157 | 154 | 154 | 157 | 157 | 152 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide / height (m) | 11:32AM 1.59 | 12:10AM 1.73 | 12:34PM 1.63 | 1:06AM 1.80 | 1:23PM 1.70 | 1:51AM 1.87 | ||||||||||||||||||
Low Tide / height (m) | 5:28AM 0.61 | 5:45PM 0.57 | 6:32AM 0.59 | 6:45PM 0.51 | 7:24AM 0.53 | 7:34PM 0.43 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| Sunrise | 5:00 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:29 | - | - | - | - |
 | | |  |  | | | | | | | | | | |  | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 26 | 27 | 28 | 28 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 26 | 26 | 25 | 26 |
| Feels °C (?) | 27 | 27 | 28 | 28 | 26 | 26 | 27 | 27 | 27 | 26 | 27 | 28 | 26 | 26 | 27 | 27 | 27 | 27 | 28 | 28 | 26 | 26 | 26 | 26 |
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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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