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:
Ilha Comprida surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 8 pm Friday 12 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Ilha Comprida surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ilha Comprida sea temperature is
25.1° C
(Which is slightly warmer than usual)How big are the waves at Ilha Comprida today?
The current surf forecast for Ilha Comprida at 11PM is: 0.6m 11s primary swell from a South-southeast direction and 0.2m 8s secondary swell from a East direction, 0.4m 2s secondary swell from a Northeast direction (forecast issued at 08:00pm December 12). The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | - | - |
| Afternoon (12 Dec) | - | - |
| Evening (12 Dec) | 2.5ft (0.8m) | 11s |
Table - waves today at Ilha Comprida. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Fri 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 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) (?) | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 138 | 135 | 88 | 83 | 82 | 59 | 59 | 58 | 57 | 57 | 37 | 39 | 38 | 38 | 16 | 18 | 18 | 18 | 18 | 18 | 28 | 23 | 28 | 27 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross | cross | glass | glass | off | glass | on | cross- on | glass | glass | glass | glass | cross- on | on | cross- off | cross- off | cross- off | off | cross- off | off | glass | cross- on |
High Tide / height (m) | 8:27PM 1.00 | 9:34AM 0.94 | 9:52PM 1.01 | 10:39AM 0.99 | 11:12PM 1.07 | 11:33AM 1.04 | ||||||||||||||||||
Low Tide / height (m) | 4:10PM 0.75 | 4:30AM 0.54 | 4:59PM 0.63 | 5:23AM 0.52 | 5:38PM 0.51 | 6:07AM 0.48 | ||||||||||||||||||
Fri 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - |
| Sunset | 6:52 | - | - | - | - | - | - | - | 6:53 | - | - | - | - | - | - | - | 6:53 | - | - | - | - | - | - | - |
 |  | | | | | |  |  |  |  |  |  | | | | | | | | |  | | | |
Rain (mm) | - | 4 | 4 | 1 | - | - | - | 1 | - | - | - | 1 | 1 | - | - | 1 | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 22 | 22 | 22 | 22 | 23 | 26 | 26 | 26 | 24 | 24 | 23 | 23 | 24 | 26 | 25 | 26 | 24 | 23 | 22 | 22 | 27 | 32 | 31 |
| Feels °C (?) | 27 | 24 | 25 | 25 | 25 | 27 | 29 | 30 | 29 | 27 | 28 | 28 | 27 | 28 | 28 | 29 | 29 | 27 | 25 | 24 | 24 | 29 | 35 | 34 |
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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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