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 7 am Wednesday 17 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
20.7° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Struisbaai today?
The current surf forecast for Struisbaai at 2PM is: 2.2m 10s primary swell from a West-southwest direction and 1.9m 9s secondary swell from a South-southwest direction (forecast issued at 07:00am December 17). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 8ft (2.5m) | 10s |
| Afternoon (17 Dec) | 7ft (2.2m) | 10s |
| Evening (17 Dec) | 6ft (1.8m) | 13s |
Table - waves today at Struisbaai. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| 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 | 9 | 10 | 10 | 13 | 13 | 13 | 12 | 12 | 12 | 10 | 9 | 8 | 12 | 9 | 10 | 10 | 10 | 10 | 10 | 13 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1913 | 1067 | 1220 | 1010 | 1157 | 1044 | 778 | 754 | 619 | 452 | 314 | 320 | 296 | 513 | 408 | 459 | 432 | 388 | 309 | 377 | 382 | 1111 | 1299 | 1607 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- on | cross- on | on | on | cross- on | on | cross- on | cross | cross | cross- on | on | on |
High Tide / height (m) | 1:44PM 1.54 | 2:17AM 1.49 | 2:20PM 1.59 | 2:51AM 1.55 | 2:54PM 1.63 | |||||||||||||||||||
Low Tide / height (m) | 7:42AM 0.51 | 8:09PM 0.32 | 8:18AM 0.45 | 8:42PM 0.27 | 8:52AM 0.40 | 9:13PM 0.23 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | - | 5:20 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:50 | - | - | - | - | - | - | - | 7:50 | - | - | - | - | - | - | - | 7:51 | - | - | - |
 |  | |  | |  | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 18 | 19 | 19 | 19 | 19 | 19 | 19 |
| Feels °C (?) | 13 | 11 | 12 | 12 | 12 | 13 | 14 | 15 | 14 | 15 | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 18 | 17 | 17 | 17 | 18 | 18 | 18 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
Buy Less, Surf More This Black Friday
Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.
Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Previously used in our snow jackets for mountain conditions, PrimaLoft® technology is making its debut in the surf industry. The aim is to bring mountain-grade warmth to the waves.
Vancouver Island’s Day Of Days With Reed Platenius
Surf-Forecast recently helped the 21-year-old Canadian pro surfer and adventurer score some cold water perfection at home.
Read more
Discover more articles and updates in the Greenroom.
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Struisbaai surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest