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:
Muizenberg surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 1 pm Sunday 14 Dec 2025 SASTForecast update in hr min s Forecast update imminent
Today's Muizenberg sea temperature is
17.2° C
(Which is 1.9°C colder than average for this time of year)How big are the waves at Muizenberg today?
The current surf forecast for Muizenberg at 7PM is: 1.6m 12s primary swell from a Southwest direction (forecast issued at 01:00pm December 14). An open ocean swell of 0.1m 19s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 6ft (1.8m) | 12s |
| Afternoon (14 Dec) | 5ft (1.6m) | 12s |
| Evening (14 Dec) | 5ft (1.6m) | 12s |
Table - waves today at Muizenberg. (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 | 12 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 14 | 14 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 869 | 711 | 644 | 710 | 673 | 726 | 851 | 944 | 960 | 976 | 1065 | 929 | 929 | 854 | 841 | 761 | 748 | 678 | 551 | 497 | 1016 | 1095 | 1138 | 1083 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | off | off | cross | cross- on |
High Tide / height (m) | 11:27AM 1.20 | 12:15AM 1.08 | 12:18PM 1.23 | 1:01AM 1.15 | 1:02PM 1.27 | 1:40AM 1.21 | ||||||||||||||||||
Low Tide / height (m) | 6:10PM 0.43 | 6:11AM 0.53 | 6:54PM 0.37 | 6:59AM 0.48 | 7:32PM 0.32 | 7:40AM 0.43 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 |
| Sunset | - | - | 7:52 | - | - | - | - | - | - | - | 7:52 | - | - | - | - | - | - | - | 7:53 | - | - | - | - | - |
 | | |  | | | | | | | | | | | | | |  | |  | |  |  |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 1 |
| Temp. °C | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 18 | 20 | 21 | 21 | 20 | 19 | 19 | 18 | 19 | 21 | 22 | 22 | 21 | 21 | 20 | 19 | 19 |
| Feels °C (?) | 16 | 15 | 15 | 16 | 17 | 16 | 16 | 17 | 20 | 19 | 19 | 18 | 18 | 18 | 17 | 19 | 21 | 21 | 21 | 20 | 21 | 20 | 19 | 16 |
- 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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