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 1 pm Saturday 13 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
21.3° C
(Which is 1.2°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 5PM is: 2.0m 13s primary swell from a South-southwest direction and 0.3m 11s secondary swell from a South-southeast direction (forecast issued at 01:00pm December 13). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 11ft (3.5m) | 14s |
| Afternoon (13 Dec) | 7.5ft (2.3m) | 14s |
| Evening (13 Dec) | 6ft (1.9m) | 13s |
Table - waves today at Dias Beach. (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) (?) | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 12 | 12 | 12 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2181 | 2031 | 1426 | 1245 | 1060 | 995 | 880 | 763 | 677 | 634 | 548 | 548 | 766 | 880 | 866 | 839 | 853 | 934 | 871 | 826 | 763 | 711 | 620 | 529 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- on | cross | cross | glass | glass | glass | cross- on | on | on | on | cross- on | glass | glass | on | on | cross- on | on | on | on | on | glass | glass |
High Tide / height (m) | 11:01AM 1.62 | 11:35PM 1.39 | 12:05PM 1.65 | 12:38AM 1.45 | 12:55PM 1.71 | 1:26AM 1.54 | ||||||||||||||||||
Low Tide / height (m) | 5:49PM 0.84 | 5:32AM 0.83 | 6:42PM 0.77 | 6:28AM 0.78 | 7:22PM 0.69 | 7:13AM 0.73 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:13 |
| Sunset | - | - | 7:37 | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - |
 | | |  |  | | | | | | | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 20 | 19 | 18 | 17 | 17 | 16 | 17 | 20 | 20 | 19 | 18 | 17 | 17 | 17 | 19 | 22 | 22 | 21 | 19 | 18 | 18 | 18 | 20 |
| Feels °C (?) | 13 | 13 | 14 | 15 | 15 | 16 | 15 | 16 | 18 | 16 | 16 | 17 | 16 | 17 | 17 | 19 | 21 | 19 | 19 | 18 | 18 | 19 | 19 | 21 |
- 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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