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:
Dias Beach surfForecast / Garden Route / South Africa
48hr Weather and Surf, issued 7 pm Sunday 14 Dec 2025 SASTForecast update in hr min s Forecast update imminent
Dias Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dias Beach sea temperature is
21.4° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Dias Beach today?
The current surf forecast for Dias Beach at 11PM is: 1.6m 12s primary swell from a South-southwest direction and 0.1m 10s secondary swell from a Southeast direction (forecast issued at 07:00pm December 14). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | - | - |
| Afternoon (14 Dec) | 4.5ft (1.4m) | 12s |
| Evening (14 Dec) | 5ft (1.5m) | 12s |
Table - waves today at Dias Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 12 | 12 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 9 | 9 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 548 | 557 | 800 | 800 | 787 | 839 | 853 | 826 | 826 | 739 | 679 | 601 | 513 | 435 | 421 | 325 | 319 | 319 | 273 | 905 | 338 | 419 | 437 | 359 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | glass | glass | glass | glass | cross- on | on | on | on | cross- on | glass | glass | on | on | cross- on | cross | glass | off | off | cross- off | cross- off | cross- off | cross |
High Tide / height (m) | 12:38AM 1.45 | 12:55PM 1.71 | 1:26AM 1.54 | 1:36PM 1.77 | 2:06AM 1.62 | |||||||||||||||||||
Low Tide / height (m) | 6:42PM 0.77 | 6:28AM 0.78 | 7:22PM 0.69 | 7:13AM 0.73 | 7:56PM 0.61 | 7:52AM 0.68 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - |
| Sunset | 7:37 | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:38 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | | | | | |  | | |  |  |  |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - |
| Temp. °C | 20 | 18 | 17 | 17 | 17 | 19 | 22 | 21 | 21 | 19 | 18 | 18 | 18 | 20 | 22 | 23 | 22 | 21 | 20 | 20 | 20 | 19 | 19 | 18 |
| Feels °C (?) | 17 | 17 | 17 | 17 | 17 | 19 | 20 | 18 | 19 | 19 | 18 | 18 | 18 | 20 | 21 | 21 | 20 | 22 | 20 | 20 | 17 | 16 | 16 | 15 |
- 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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