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:
Margate surfForecast / Durban/KZN South / South Africa
48hr Weather and Surf, issued 1 pm Friday 12 Dec 2025 SASTForecast update in hr min s Forecast update imminent
Margate surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Margate sea temperature is
24.0° C
(Which is normal for this time of year)How big are the waves at Margate today?
The current surf forecast for Margate at 8PM is: 0.9m 11s primary swell from a South-southwest direction and 0.1m 21s secondary swell from a Southwest direction (forecast issued at 01:00pm December 12). An open ocean swell of 2.1m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 3ft (0.9m) | 14s |
| Afternoon (12 Dec) | 2.5ft (0.7m) | 12s |
| Evening (12 Dec) | 3ft (0.9m) | 11s |
Table - waves today at Margate. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 11 | 11 | 11 | 10 | 10 | 10 | 17 | 7 | 8 | 8 | 9 | 14 | 13 | 12 | 12 | 13 | 13 | 13 | 6 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 225 | 219 | 123 | 210 | 82 | 110 | 78 | 190 | 47 | 395 | 717 | 608 | 476 | 1360 | 1025 | 680 | 531 | 461 | 336 | 273 | 222 | 219 | 175 | 175 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross- off | cross- off | cross- off | cross- off | glass | cross- off | cross- off | cross | cross- off | cross- off | cross- off | off | glass | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- on |
High Tide / height (m) | 9:33AM 1.27 | 9:53PM 1.08 | 10:53AM 1.25 | 11:26PM 1.08 | 12:03PM 1.28 | 12:38AM 1.14 | ||||||||||||||||||
Low Tide / height (m) | 3:56PM 0.66 | 3:58AM 0.59 | 5:25PM 0.65 | 5:20AM 0.61 | 6:34PM 0.58 | 6:30AM 0.57 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 4:48 | - | - | - | - | - | - | - | 4:48 | - | - | - | - | - | - | - | 4:48 | - |
| Sunset | - | - | 6:54 | - | - | - | - | - | - | - | 6:55 | - | - | - | - | - | - | - | 6:55 | - | - | - | - | - |
 |  |  |  |  | |  | | | | | | | | | | | | |  |  | | | | |
Rain (mm) | - | - | 3 | 2 | - | - | - | - | - | - | 3 | 4 | 2 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 27 | 27 | 23 | 22 | 22 | 22 | 22 | 23 | 23 | 22 | 20 | 19 | 19 | 19 | 19 | 20 | 22 | 22 | 22 | 21 | 20 | 20 | 19 | 23 |
| Feels °C (?) | 28 | 30 | 24 | 23 | 23 | 24 | 25 | 20 | 19 | 18 | 16 | 16 | 18 | 18 | 20 | 20 | 20 | 18 | 18 | 17 | 18 | 19 | 17 | 21 |
- 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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