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:
Gravatá (Navegantes) surfForecast / Santa Catarina – Norte / Brazil
48hr Weather and Surf, issued 8 am Friday 12 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Gravatá (Navegantes) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gravatá (Navegantes) sea temperature is
24.6° C
(Which is normal for this time of year)How big are the waves at Gravatá (Navegantes) today?
The current surf forecast for Gravatá (Navegantes) at 4PM is: 0.8m 11s primary swell from a Southeast direction and 0.4m 8s secondary swell from a East-northeast direction, 0.3m 2s secondary swell from a Northeast direction (forecast issued at 08:00am December 12). The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 3ft (0.9m) | 11s |
| Afternoon (12 Dec) | 2.5ft (0.8m) | 11s |
| Evening (12 Dec) | 2ft (0.6m) | 11s |
Table - waves today at Gravatá (Navegantes). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| 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) (?) | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 228 | 185 | 147 | 142 | 114 | 90 | 87 | 84 | 84 | 84 | 82 | 82 | 82 | 64 | 69 | 91 | 91 | 93 | 76 | 93 | 96 | 87 | 89 | 48 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | cross- on | cross- off | cross- off | glass | glass | off | glass | cross | cross- on | on | on | glass | glass | glass | glass | cross- on | cross- on | cross- on | cross- on | glass | glass |
High Tide / height (m) | 8:23AM 0.72 | 1:14PM 0.62 | 8:11PM 0.76 | 9:28AM 0.74 | 9:40PM 0.78 | 10:25AM 0.78 | 10:55PM 0.84 | |||||||||||||||||
Low Tide / height (m) | 3:01AM 0.39 | 12:13PM 0.62 | 4:03PM 0.59 | 4:08AM 0.40 | 4:43PM 0.50 | 5:01AM 0.40 | 5:17PM 0.41 | |||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| Sunrise | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:02 | - | - | - |
 | |  | |  |  | |  | | | | | | | |  |  | | |  | |  | | | |
Rain (mm) | - | - | - | - | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - |
| Temp. °C | 20 | 25 | 27 | 26 | 23 | 21 | 20 | 20 | 20 | 21 | 23 | 24 | 23 | 22 | 22 | 22 | 22 | 23 | 25 | 26 | 25 | 24 | 23 | 23 |
| Feels °C (?) | 21 | 26 | 28 | 27 | 25 | 22 | 22 | 22 | 22 | 23 | 25 | 26 | 25 | 24 | 25 | 25 | 25 | 26 | 28 | 29 | 28 | 28 | 27 | 27 |
- 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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