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:
Cape St Martin surfForecast / West Coast / South Africa
48hr Weather and Surf, issued 1 pm Sunday 14 Dec 2025 SASTForecast update in hr min s Forecast update imminent
Cape St Martin surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cape St Martin sea temperature is
14.1° C
(Which is 4.6°C colder than average for this time of year)How big are the waves at Cape St Martin today?
The current surf forecast for Cape St Martin at 7PM is: 2.1m 11s primary swell from a Southwest direction and 0.1m 19s secondary swell from a Northwest direction (forecast issued at 01:00pm December 14). An open ocean swell of 1.0m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 8ft (2.5m) | 12s |
| Afternoon (14 Dec) | 8ft (2.4m) | 12s |
| Evening (14 Dec) | 7ft (2.2m) | 11s |
Table - waves today at Cape St Martin. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 15 | 14 | 14 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1902 | 1769 | 1269 | 1127 | 1370 | 1346 | 1346 | 1467 | 1628 | 1685 | 1731 | 2078 | 1999 | 1891 | 1789 | 1665 | 1655 | 1547 | 1180 | 2368 | 2181 | 2222 | 2079 | 1811 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off |
High Tide / height (m) | 11:27AM 1.26 | 12:16AM 1.15 | 12:18PM 1.29 | 1:01AM 1.22 | 1:02PM 1.33 | 1:39AM 1.28 | ||||||||||||||||||
Low Tide / height (m) | 6:10PM 0.44 | 6:16AM 0.55 | 6:54PM 0.39 | 7:03AM 0.50 | 7:32PM 0.33 | 7:43AM 0.44 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:33 | - | - | - | - | - | - | - | 5:33 | - | - | - | - | - | - | - | 5:35 |
| Sunset | - | - | 7:51 | - | - | - | - | - | - | - | 7:51 | - | - | - | - | - | - | - | 7:52 | - | - | - | - | - |
 | | |  | | | | | | | | | | | | | | | | | | |  |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 19 | 20 | 19 | 16 | 16 | 16 | 16 | 18 | 21 | 21 | 20 | 18 | 18 | 17 | 17 | 18 | 20 | 20 | 21 | 20 | 19 | 19 | 19 | 19 |
| Feels °C (?) | 15 | 14 | 12 | 10 | 11 | 13 | 14 | 16 | 18 | 16 | 14 | 14 | 15 | 14 | 16 | 17 | 18 | 17 | 18 | 19 | 18 | 19 | 19 | 19 |
- Map Icons:
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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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