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:
Sea Vista surfForecast / Eastern Cape (S) / South Africa
48hr Weather and Surf, issued 7 pm Wednesday 10 Dec 2025 SASTForecast update in hr min s Forecast update imminent
Sea Vista surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sea Vista sea temperature is
20.8° C
(Which is slightly cooler than normal)How big are the waves at Sea Vista today?
The current surf forecast for Sea Vista at 12AM is: 1.8m 10s primary swell from a Southwest direction and 0.7m 13s secondary swell from a South direction (forecast issued at 07:00pm December 10). An open ocean swell of 1.5m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | - | - |
| Afternoon (11 Dec) | 7ft (2.2m) | 11s |
| Evening (11 Dec) | 6.5ft (2.0m) | 11s |
Table - waves today at Sea Vista. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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 | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 16 | 10 | 10 | 10 | 11 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1070 | 1018 | 799 | 616 | 510 | 613 | 424 | 371 | 776 | 1405 | 1259 | 984 | 761 | 630 | 449 | 333 | 284 | 367 | 527 | 1260 | 1961 | 2948 | 3794 | 7394 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | glass | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 7:42PM 1.19 | 8:33AM 1.30 | 8:49PM 1.09 | 9:44AM 1.24 | 10:12PM 1.04 | 10:57AM 1.23 | ||||||||||||||||||
Low Tide / height (m) | 1:47AM 0.43 | 2:47PM 0.59 | 2:48AM 0.52 | 4:13PM 0.62 | 4:05AM 0.58 | |||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 4:58 | - | - | - | - | - | - | - | 4:58 | - | - | - | - | - | - | - | 4:58 | - | - | - |
| Sunset | 7:21 | - | - | - | - | - | - | - | 7:21 | - | - | - | - | - | - | - | 7:22 | - | - | - | - | - | - | - |
 |  | | | | | | | | |  | |  | |  | | | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - |
| Temp. °C | 18 | 18 | 18 | 18 | 16 | 18 | 23 | 24 | 23 | 23 | 24 | 21 | 20 | 20 | 22 | 21 | 21 | 20 | 19 | 18 | 18 | 17 | 19 | 19 |
| Feels °C (?) | 12 | 13 | 13 | 13 | 11 | 14 | 20 | 20 | 19 | 20 | 26 | 14 | 15 | 17 | 19 | 19 | 21 | 19 | 16 | 14 | 13 | 11 | 12 | 11 |
- 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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