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:
Gourits Mouth surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 1 pm Tuesday 16 Dec 2025 SASTForecast update in hr min s Forecast update imminent
Gourits Mouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gourits Mouth sea temperature is
20.8° C
(Which is slightly warmer than usual)How big are the waves at Gourits Mouth today?
The current surf forecast for Gourits Mouth at 8PM is: 2.0m 12s primary swell from a Southwest direction (forecast issued at 01:00pm December 16). An open ocean swell of 0.3m 9s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 7ft (2.2m) | 12s |
| Afternoon (16 Dec) | 7ft (2.1m) | 12s |
| Evening (16 Dec) | 7ft (2.1m) | 12s |
Table - waves today at Gourits Mouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 12 | 8 | 10 | 10 | 10 | 9 | 10 | 10 | 13 | 9 | 9 | 9 | 10 | 11 | 10 | 11 | 11 | 11 | 11 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1336 | 1234 | 1076 | 1058 | 1229 | 1112 | 1354 | 1584 | 1171 | 584 | 587 | 567 | 578 | 480 | 373 | 441 | 506 | 452 | 312 | 431 | 431 | 359 | 366 | 348 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | glass | glass | glass | cross | cross- on | cross- on | cross- on | on | cross- on | on | on |
High Tide / height (m) | 1:32PM 1.57 | 2:05AM 1.49 | 2:10PM 1.64 | 2:40AM 1.57 | 2:45PM 1.70 | 3:13AM 1.64 | ||||||||||||||||||
Low Tide / height (m) | 7:59PM 0.45 | 8:03AM 0.54 | 8:32PM 0.37 | 8:39AM 0.47 | 9:05PM 0.31 | |||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 |
| Sunset | - | - | 7:40 | - | - | - | - | - | - | - | 7:40 | - | - | - | - | - | - | - | 7:42 | - | - | - | - | - |
 | |  |  |  |  |  |  | | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 22 | 21 | 20 | 20 | 19 | 18 | 18 | 19 | 18 | 18 | 18 | 18 | 18 | 17 | 18 | 19 | 19 | 19 | 18 | 17 | 17 | 17 | 18 |
| Feels °C (?) | 21 | 19 | 19 | 20 | 19 | 15 | 13 | 13 | 15 | 13 | 13 | 15 | 16 | 17 | 16 | 17 | 16 | 15 | 16 | 16 | 15 | 16 | 16 | 16 |
- 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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