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 Friday 12 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
24.0° 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 8PM is: 1.5m 10s primary swell from a South-southeast direction and 0.5m 3s secondary swell from a North direction (forecast issued at 02:00pm December 12). An open ocean swell of 0.7m 9s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | - | - |
| Afternoon (12 Dec) | 5ft (1.6m) | 10s |
| Evening (12 Dec) | 5ft (1.5m) | 10s |
Table - waves today at Barra da Lagoa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 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) (?) | 3 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 5 | 501 | 432 | 424 | 363 | 314 | 307 | 281 | 281 | 240 | 240 | 186 | 183 | 145 | 142 | 139 | 70 | 53 | 54 | 80 | 85 | 37 | 37 | 65 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross | cross- on | cross- on | cross- on | cross- on | on | on | on | on | glass | glass | glass | glass | on | on | on | cross- on | glass | cross- on | cross | cross- on |
High Tide / height (m) | 11:34AM 0.55 | 7:02PM 0.60 | 10:11AM 0.56 | 9:22PM 0.59 | 10:36AM 0.59 | 11:04PM 0.65 | ||||||||||||||||||
Low Tide / height (m) | 3:07PM 0.49 | 3:27AM 0.32 | 4:02PM 0.42 | 4:28AM 0.33 | 4:51PM 0.33 | 5:24AM 0.33 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:11 | - |
| Sunset | - | - | 7:01 | - | - | - | - | - | - | - | 7:02 | - | - | - | - | - | - | - | 7:04 | - | - | - | - | - |
 | | |  | |  |  | |  | |  | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 26 | 25 | 25 | 23 | 22 | 21 | 22 | 23 | 23 | 24 | 24 | 23 | 23 | 22 | 22 | 24 | 26 | 26 | 25 | 23 | 23 | 22 | 22 | 25 |
| Feels °C (?) | 25 | 25 | 27 | 25 | 23 | 22 | 23 | 25 | 25 | 26 | 26 | 26 | 27 | 26 | 26 | 28 | 28 | 27 | 28 | 26 | 27 | 25 | 24 | 26 |
- 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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