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:
Imbacai surfForecast / Bahia – Norte / Brazil
48hr Weather and Surf, issued 8 pm Wednesday 10 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Imbacai surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Imbacai sea temperature is
26.5° C
(Which is normal for this time of year)How big are the waves at Imbacai today?
The current surf forecast for Imbacai at 3AM is: 1.0m 5s primary swell from a East-northeast direction and 0.3m 10s secondary swell from a East-southeast direction, 0.1m 7s secondary swell from a South direction (forecast issued at 08:00pm December 10). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 4ft (1.2m) | 6s |
| Afternoon (11 Dec) | 3.5ft (1.1m) | 6s |
| Evening (11 Dec) | 4ft (1.2m) | 6s |
Table - waves today at Imbacai. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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) (?) | 10 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 15 | 6 | 6 | 13 | 13 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 10 | 45 | 49 | 56 | 60 | 81 | 87 | 89 | 17 | 101 | 140 | 32 | 30 | 176 | 152 | 152 | 157 | 152 | 152 | 143 | 143 | 123 | 123 | 104 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 7:55PM 1.69 | 8:48AM 1.51 | 9:00PM 1.61 | 9:53AM 1.48 | 10:09PM 1.56 | 10:56AM 1.50 | ||||||||||||||||||
Low Tide / height (m) | 2:36AM 0.47 | 2:54PM 0.69 | 3:42AM 0.55 | 4:06PM 0.70 | 4:46AM 0.58 | |||||||||||||||||||
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 4:58 | - | - | - | - | - | - | - | 4:58 | - | - | - | - | - | - | - | 5:00 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 5:49 | - | - | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:50 |
 | | | |  |  | | | |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 25 | 24 | 24 | 24 | 27 | 28 | 27 | 25 | 25 | 25 | 24 | 24 | 27 | 29 | 28 | 26 | 25 | 25 | 24 | 25 | 28 | 29 | 28 |
| Feels °C (?) | 25 | 26 | 25 | 25 | 25 | 27 | 27 | 26 | 25 | 26 | 26 | 25 | 26 | 27 | 29 | 27 | 26 | 25 | 26 | 25 | 27 | 28 | 29 | 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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