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:
Barra da Lagoa surfForecast / Santa Catarina – Florianópolis / Brazil
48hr Weather and Surf, issued 2 pm Wednesday 10 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Barra da Lagoa surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Barra da Lagoa sea temperature is
23.6° C
(Which is normal for this time of year)How big are the waves at Barra da Lagoa today?
The current surf forecast for Barra da Lagoa at 6PM is: 0.3m 9s primary swell from a Southeast direction (forecast issued at 02:00pm December 10). An open ocean swell of 1.7m 10s is not directed at the surf break, a second open ocean swell of 0.4m 11s is not directed at the surf break, a second open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | - | - |
| Afternoon (10 Dec) | 1ft (0.3m) | 9s |
| Evening (10 Dec) | 1.5ft (0.4m) | 10s |
Table - waves today at Barra da Lagoa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 10 | 9 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 3 | 3 | 4 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 22 | 14 | 13 | 24 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 4 | 11 | 521 | 450 | 377 | 314 | 307 | 253 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross | glass | glass | cross | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- on |
High Tide / height (m) | 11:23AM 0.61 | 4:34PM 0.68 | 6:46AM 0.55 | 11:47AM 0.58 | 5:35PM 0.64 | 8:18AM 0.54 | 11:34AM 0.55 | 7:02PM 0.60 | ||||||||||||||||
Low Tide / height (m) | 1:08PM 0.60 | 1:13AM 0.24 | 8:34AM 0.53 | 2:06PM 0.56 | 2:21AM 0.29 | 8:58AM 0.54 | 3:07PM 0.49 | 3:27AM 0.32 | ||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:11 | - |
| Sunset | - | - | 7:00 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - |
 |  | |  | | | | | | | | | | | | |  | | |  | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 27 | 28 | 24 | 23 | 22 | 22 | 21 | 25 | 28 | 26 | 24 | 22 | 21 | 20 | 20 | 23 | 26 | 25 | 24 | 24 | 23 | 23 | 22 | 22 |
| Feels °C (?) | 26 | 26 | 23 | 21 | 19 | 19 | 16 | 22 | 27 | 24 | 25 | 23 | 23 | 21 | 21 | 23 | 25 | 26 | 25 | 25 | 24 | 23 | 23 | 23 |
- 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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