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:
Tubes surfForecast / Eastern Cape (S) / South Africa
48hr Weather and Surf, issued 1 pm Saturday 13 Dec 2025 SASTForecast update in hr min s Forecast update imminent
Tubes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tubes sea temperature is
19.8° C
(Which is 1.7°C colder than average for this time of year)How big are the waves at Tubes today?
The current surf forecast for Tubes at 4PM is: 4.0m 12s primary swell from a Southwest direction (forecast issued at 01:00pm December 13). An open ocean swell of 0.4m 9s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 8ft (2.4m) | 14s |
| Afternoon (13 Dec) | 13ft (4.0m) | 12s |
| Evening (13 Dec) | 11ft (3.5m) | 13s |
Table - waves today at Tubes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 6271 | 4378 | 4733 | 4350 | 3707 | 3405 | 2925 | 2618 | 2331 | 1999 | 1760 | 1632 | 1513 | 1771 | 2269 | 2397 | 2233 | 2269 | 2418 | 2379 | 2257 | 2142 | 2065 | 1991 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | cross | cross | cross- on | glass | cross | cross | cross | cross- on | glass | cross | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross | glass | on | cross- on |
High Tide / height (m) | 10:54AM 1.24 | 11:35PM 1.05 | 12:00PM 1.26 | 12:40AM 1.11 | 12:52PM 1.30 | 1:29AM 1.18 | ||||||||||||||||||
Low Tide / height (m) | 5:35PM 0.58 | 5:23AM 0.59 | 6:36PM 0.52 | 6:29AM 0.56 | 7:22PM 0.45 | 7:20AM 0.51 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:03 | - | - | - | - | - | - | - | 5:03 |
| Sunset | - | - | 7:24 | - | - | - | - | - | - | - | 7:25 | - | - | - | - | - | - | - | 7:27 | - | - | - | - | - |
 | |  |  | | | | | | | | | |  | |  | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 20 | 19 | 18 | 16 | 15 | 14 | 17 | 20 | 20 | 19 | 19 | 18 | 17 | 17 | 20 | 22 | 23 | 22 | 20 | 20 | 20 | 19 | 22 |
| Feels °C (?) | 12 | 12 | 13 | 15 | 14 | 13 | 12 | 16 | 17 | 16 | 16 | 18 | 20 | 17 | 17 | 20 | 22 | 22 | 22 | 21 | 22 | 23 | 20 | 23 |
- 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 Tubes 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