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:
Bettys Bay surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 1 pm Tuesday 16 Dec 2025 SASTForecast update in hr min s Forecast update imminent
Bettys Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Bettys Bay sea temperature is
17.7° C
(Which is 1.5°C colder than average for this time of year)How big are the waves at Bettys Bay today?
The current surf forecast for Bettys Bay at 5PM is: 2.0m 12s primary swell from a West-southwest direction and 0.1m 16s secondary swell from a West direction (forecast issued at 01:00pm December 16). An open ocean swell of 1.3m 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 (16 Dec) | 7.5ft (2.3m) | 12s |
| Afternoon (16 Dec) | 7ft (2.2m) | 12s |
| Evening (16 Dec) | 5.5ft (1.7m) | 12s |
Table - waves today at Bettys Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 12 | 14 | 14 | 9 | 10 | 10 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 10 | 10 | 10 | 12 | 12 | 9 | 9 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1472 | 1299 | 1138 | 769 | 2946 | 3551 | 1360 | 1334 | 1486 | 1216 | 889 | 791 | 567 | 475 | 439 | 303 | 269 | 258 | 358 | 646 | 288 | 252 | 307 | 262 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 1:02PM 1.28 | 1:40AM 1.22 | 1:41PM 1.33 | 2:16AM 1.28 | 2:18PM 1.37 | 2:50AM 1.33 | ||||||||||||||||||
Low Tide / height (m) | 7:33PM 0.32 | 7:40AM 0.43 | 8:07PM 0.27 | 8:17AM 0.38 | 8:41PM 0.23 | |||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:26 | - | - | - | - | - | - | - | 5:26 | - | - | - | - | - | - | - | 5:26 |
| Sunset | - | - | 7:52 | - | - | - | - | - | - | - | 7:52 | - | - | - | - | - | - | - | 7:53 | - | - | - | - | - |
 |  | |  |  | |  | |  | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 21 | 21 | 21 | 20 | 18 | 18 | 17 | 17 | 18 | 18 | 17 | 17 | 16 | 15 | 17 | 20 | 19 | 19 | 18 | 17 | 16 | 15 | 18 |
| Feels °C (?) | 19 | 17 | 16 | 18 | 17 | 14 | 15 | 13 | 12 | 13 | 14 | 13 | 14 | 13 | 12 | 14 | 15 | 14 | 14 | 13 | 13 | 12 | 11 | 14 |
- 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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