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:
Porto Corsini surfForecast / Adriatic / Italy
48hr Weather and Surf, issued 6 am Tuesday 16 Dec 2025 CETForecast update in hr min s Forecast update imminent
Porto Corsini surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porto Corsini sea temperature is
9.2° C
(Which is 4.9°C colder than average for this time of year)How big are the waves at Porto Corsini today?
The current surf forecast for Porto Corsini at 11AM is: 0.2m 3s primary swell from a East direction (forecast issued at 06:00am December 16). The wind direction is predicted to be glassy.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | - | - |
| Afternoon (16 Dec) | 1.5ft (0.4m) | 4s |
| Evening (16 Dec) | 1.5ft (0.4m) | 5s |
Table - waves today at Porto Corsini. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | — | — | — | |||||||||||||||||||||
| Period(s) (?) | - | - | - | 3 | 4 | 4 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 0 | 0 | 0 | 1 | 5 | 3 | 14 | 24 | 28 | 28 | 20 | 20 | 12 | 13 | 8 | 7 | 7 | 3 | 3 | 3 | 3 | 3 | 2 | 2 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- on | glass | on | on | glass | glass | cross- off | glass | glass | glass | off | off | off | off | off | glass | glass | glass | glass | glass | glass | glass | glass |
High Tide / height (m) | 7:19AM 0.69 | 10:06PM 0.49 | 7:44AM 0.70 | 10:40PM 0.53 | 8:10AM 0.70 | 11:12PM 0.55 | ||||||||||||||||||
Low Tide / height (m) | 2:52PM 0.05 | 1:35AM 0.42 | 3:17PM 0.00 | 2:17AM 0.44 | 3:44PM -0.03 | |||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| Sunrise | - | - | 7:39 | - | - | - | - | - | - | - | 7:41 | - | - | - | - | - | - | - | 7:41 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:30 | - | - | - | - | - | - | - | 4:30 | - | - | - | - | - | - | - | 4:31 | - | - | - |
 | |  |  | |  | | | | | | | | | | |  |  |  |  | | | | | |
Rain (mm) | - | - | - | 2 | 3 | 1 | - | 1 | 1 | 2 | 2 | 3 | 1 | - | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 10 | 11 | 11 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 |
| Feels °C (?) | 9 | 8 | 11 | 10 | 10 | 11 | 12 | 9 | 11 | 10 | 9 | 7 | 6 | 7 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 11 | 10 | 10 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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