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:
Struisbaai surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 1 am Saturday 13 Dec 2025 SASTForecast update in hr min s Forecast update imminent
Struisbaai surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Struisbaai sea temperature is
20.4° C
(Which is slightly warmer than usual)How big are the waves at Struisbaai today?
The current surf forecast for Struisbaai at 6AM is: 4.5m 14s primary swell from a Southwest direction and 0.3m 11s secondary swell from a South-southeast direction (forecast issued at 01:00am December 13). An open ocean swell of 0.5m 10s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 15ft (4.5m) | 14s |
| Afternoon (13 Dec) | 13ft (4.0m) | 13s |
| Evening (13 Dec) | 11ft (3.5m) | 13s |
Table - waves today at Struisbaai. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 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 | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 12 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3733 | 4649 | 8393 | 7509 | 5993 | 5015 | 4401 | 4010 | 3611 | 3214 | 2555 | 2160 | 1913 | 1775 | 1739 | 2043 | 2153 | 2153 | 2496 | 2655 | 2655 | 2779 | 2744 | 2708 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | 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 | glass | glass | cross | cross | cross- on | cross | cross | cross- on |
High Tide / height (m) | 10:03PM 1.15 | 10:31AM 1.37 | 11:21PM 1.18 | 11:33AM 1.39 | 12:20AM 1.25 | 12:23PM 1.43 | ||||||||||||||||||
Low Tide / height (m) | 3:58AM 0.67 | 5:19PM 0.59 | 5:13AM 0.67 | 6:15PM 0.53 | 6:14AM 0.64 | 6:59PM 0.46 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:20 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:46 | - | - | - | - | - | - | - | 7:47 | - | - | - | - | - | - | - | 7:47 | - |
 | |  |  |  | |  |  |  | | | | | | | | | | | | | | | | |
Rain (mm) | 1 | 1 | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 15 | 16 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 18 | 20 | 21 | 20 | 20 |
| Feels °C (?) | 11 | 9 | 9 | 10 | 11 | 11 | 11 | 13 | 14 | 13 | 13 | 14 | 14 | 14 | 16 | 17 | 18 | 17 | 16 | 18 | 19 | 19 | 18 | 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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