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:
Cap Sim surfForecast / Central Morocco / Morocco
48hr Weather and Surf, issued 12 pm Saturday 13 Dec 2025 +01Forecast update in hr min s Forecast update imminent
Cap Sim surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cap Sim sea temperature is
16.9° C
(Which is 1.6°C colder than average for this time of year)How big are the waves at Cap Sim today?
The current surf forecast for Cap Sim at 4PM is: 5.5m 17s primary swell from a Northwest direction (forecast issued at 12:00pm December 13). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (+01) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 18ft (5.5m) | 19s |
| Afternoon (13 Dec) | 18ft (5.5m) | 18s |
| Evening (13 Dec) | 16ft (5.0m) | 17s |
Table - waves today at Cap Sim. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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 | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 21025 | 19246 | 16770 | 15258 | 12895 | 9388 | 7147 | 6051 | 4772 | 3419 | 2747 | 2424 | 1940 | 1643 | 1395 | 1326 | 1504 | 1528 | 1363 | 1266 | 1144 | 961 | 689 | 624 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | glass | cross- off | cross- off | off | glass | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | on | cross | cross |
High Tide / height (m) | 9:50AM 2.19 | 10:34PM 2.08 | 10:52AM 2.17 | 11:29PM 2.16 | 11:47AM 2.19 | 12:16AM 2.26 | ||||||||||||||||||
Low Tide / height (m) | 4:16PM 0.78 | 4:39AM 0.90 | 5:11PM 0.76 | 5:37AM 0.83 | 5:58PM 0.71 | 6:25AM 0.73 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | - | 8:29 | - | - | - | - | - | - | - | 8:30 | - | - | - | - | - | - | - |
| Sunset | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - |
 | | |  |  |  | | | |  | | | | | | | | | | | |  | | | |
Rain (mm) | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 6 | 2 |
| Temp. °C | 15 | 16 | 17 | 17 | 16 | 16 | 15 | 15 | 16 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 16 |
| Feels °C (?) | 13 | 15 | 13 | 13 | 13 | 16 | 12 | 10 | 11 | 12 | 11 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 15 | 14 | 12 | 10 | 7 |
- 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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