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:
St Mikes surfForecast / Durban/KZN South / South Africa
48hr Weather and Surf, issued 7 am Saturday 13 Dec 2025 SASTForecast update in hr min s Forecast update imminent
St Mikes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's St Mikes sea temperature is
23.9° C
(Which is normal for this time of year)How big are the waves at St Mikes today?
The current surf forecast for St Mikes at 11AM is: 1.5m 5s primary swell from a South-southwest direction and 0.2m 12s secondary swell from a South direction (forecast issued at 07:00am December 13). An open ocean swell of 1.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 1.5ft (0.5m) | 10s |
| Afternoon (13 Dec) | 7ft (2.1m) | 7s |
| Evening (13 Dec) | 6.5ft (2.0m) | 7s |
Table - waves today at St Mikes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| 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 | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 5 | 6 | 7 | 7 | 8 | 7 | 6 | 12 | 12 | 11 | 5 | 6 | 6 | 13 | 13 | 14 | 15 | 15 | 15 | 14 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 54 | 52 | 117 | 352 | 445 | 388 | 579 | 192 | 123 | 434 | 273 | 184 | 105 | 163 | 149 | 35 | 60 | 66 | 74 | 93 | 176 | 186 | 166 | 158 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross | cross | cross | cross | cross- off | cross- off | cross | cross- on | cross | cross | cross | cross | cross- off | cross- off | cross | cross- on | cross- on | cross | cross- off | cross | cross- off |
High Tide / height (m) | 10:53AM 1.25 | 11:25PM 1.08 | 12:03PM 1.28 | 12:38AM 1.14 | 12:58PM 1.33 | 1:30AM 1.22 | ||||||||||||||||||
Low Tide / height (m) | 5:24PM 0.65 | 5:20AM 0.60 | 6:33PM 0.58 | 6:30AM 0.57 | 7:23PM 0.49 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| Sunrise | 4:48 | - | - | - | - | - | - | - | 4:48 | - | - | - | - | - | - | - | 4:48 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:53 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:55 | - | - | - |
 | | | |  |  | |  |  |  | | | |  | | | | | | | |  | | | |
Rain (mm) | - | - | - | - | 5 | 4 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 22 | 22 | 22 | 20 | 20 | 20 | 19 | 19 | 21 | 22 | 22 | 22 | 21 | 20 | 19 | 19 | 23 | 26 | 27 | 27 | 26 | 25 | 25 |
| Feels °C (?) | 24 | 21 | 18 | 17 | 15 | 16 | 19 | 19 | 19 | 21 | 19 | 18 | 16 | 17 | 18 | 18 | 18 | 21 | 24 | 25 | 26 | 28 | 26 | 26 |
- 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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