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:
Comporta surfForecast / Alentejo / Portugal
48hr Weather and Surf, issued 5 pm Sunday 14 Dec 2025 WETForecast update in hr min s Forecast update imminent
Comporta surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Comporta sea temperature is
16.4° C
(Which is slightly cooler than normal)How big are the waves at Comporta today?
The current surf forecast for Comporta at 10PM is: 1.7m 14s primary swell from a West-northwest direction (forecast issued at 05:00pm December 14). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | - | - |
| Afternoon (14 Dec) | 5ft (1.6m) | 13s |
| Evening (14 Dec) | 5ft (1.6m) | 13s |
Table - waves today at Comporta. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 10 | 10 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 816 | 772 | 880 | 1227 | 1332 | 1422 | 1337 | 1299 | 1190 | 1172 | 1945 | 2547 | 2038 | 2769 | 4845 | 6045 | 6990 | 6751 | 5992 | 5230 | 4031 | 3448 | 2662 | 2130 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | off | glass | cross | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off |
High Tide / height (m) | 11:02PM 2.16 | 11:20AM 2.20 | 11:49PM 2.26 | 12:08PM 2.25 | 12:31AM 2.37 | |||||||||||||||||||
Low Tide / height (m) | 4:45PM 0.76 | 5:10AM 0.83 | 5:33PM 0.72 | 5:59AM 0.74 | 6:15PM 0.67 | 6:42AM 0.63 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:43 | - | - | - | - | - | - | - | 7:45 | - | - | - | - | - | - | - | 7:45 | - |
| Sunset | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - |
 |  |  | | | | |  | |  |  |  |  |  | | | | | | |  | |  | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | 1 | 3 | 7 | 2 | 3 | 14 | 2 | 1 | 1 | - | - | - | - | - | - | - |
| Temp. °C | 17 | 15 | 14 | 12 | 12 | 12 | 13 | 15 | 15 | 15 | 10 | 12 | 11 | 11 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 10 | 10 | 12 |
| Feels °C (?) | 14 | 12 | 12 | 10 | 11 | 11 | 11 | 12 | 10 | 9 | 1 | 7 | 4 | 1 | 2 | 2 | 2 | 3 | 4 | 5 | 6 | 5 | 6 | 8 |
- 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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