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:
Isola Rossa surfForecast / Sardinia / Italy
48hr Weather and Surf, issued 6 pm Thursday 11 Dec 2025 CETForecast update in hr min s Forecast update imminent
Isola Rossa surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Isola Rossa sea temperature is
17.1° C
(Which is 1.3°C warmer than normal for this time of year)Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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 | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |||
| Period(s) (?) | - | - | - | - | - | - | - | - | 2 | 3 | 3 | - | - | - | - | - | - | - | - | - | - | - | - | - |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | glass | glass | off | off | off | off | off | off | glass |
High Tide / height (m) | 2:18PM 0.27 | 2:43AM 0.15 | 3:12PM 0.25 | 4:17AM 0.16 | 4:03PM 0.24 | 5:30AM 0.18 | ||||||||||||||||||
Low Tide / height (m) | 9:34PM 0.09 | 7:58AM 0.09 | 10:28PM 0.08 | 9:18AM 0.11 | 11:11PM 0.07 | 10:41AM 0.12 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:39 | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - | - | - | 7:41 | - |
| Sunset | 4:55 | - | - | - | - | - | - | - | 4:55 | - | - | - | - | - | - | - | 4:55 | - | - | - | - | - | - | - |
 |  | | | | | | | | | |  | | | | | | |  | | | |  |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 13 | 12 | 12 | 12 | 11 | 13 | 16 | 16 | 13 | 12 | 11 | 11 | 11 | 13 | 16 | 15 | 13 | 13 | 12 | 12 | 12 | 13 | 16 |
| Feels °C (?) | 14 | 12 | 11 | 11 | 11 | 10 | 12 | 15 | 14 | 11 | 10 | 9 | 9 | 9 | 12 | 15 | 14 | 12 | 12 | 11 | 10 | 10 | 11 | 15 |
- 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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