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:
Blythedale surfForecast / KZN North / South Africa
48hr Weather and Surf, issued 7 pm Tuesday 16 Dec 2025 SASTForecast update in hr min s Forecast update imminent
Blythedale surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Blythedale sea temperature is
24.1° C
(Which is normal for this time of year)How big are the waves at Blythedale today?
The current surf forecast for Blythedale at 12AM is: 0.4m 12s primary swell from a South-southwest direction (forecast issued at 07:00pm December 16). An open ocean swell of 2.2m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | - | - |
| Afternoon (17 Dec) | 2ft (0.6m) | 12s |
| Evening (17 Dec) | 1.5ft (0.5m) | 12s |
Table - waves today at Blythedale. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 8 | 6 | 7 | 8 | 8 | 8 | 8 | 7 | 7 | 12 | 12 | 11 | 10 | 11 | 10 | 12 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 86 | 85 | 58 | 58 | 56 | 26 | 0 | 0 | 662 | 699 | 582 | 465 | 399 | 315 | 272 | 726 | 449 | 338 | 208 | 191 | 139 | 138 | 300 | 292 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | off | cross | glass | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- on | on | on | cross- on | cross- on | cross | cross- on | cross- on | on |
High Tide / height (m) | 2:10AM 1.42 | 2:21PM 1.57 | 2:45AM 1.51 | 2:56PM 1.63 | 3:19AM 1.58 | |||||||||||||||||||
Low Tide / height (m) | 8:00PM 0.45 | 8:06AM 0.47 | 8:35PM 0.36 | 8:43AM 0.39 | 9:08PM 0.29 | 9:18AM 0.33 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 4:48 | - | - | - | - | - | - | - | 4:50 | - | - | - | - | - | - | - | 4:50 | - | - | - |
| Sunset | 6:50 | - | - | - | - | - | - | - | 6:51 | - | - | - | - | - | - | - | 6:51 | - | - | - | - | - | - | - |
 |  |  | |  | | |  | |  |  | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 4 | 6 | 1 | 4 | 2 | 1 | 1 | 1 | - | - | - | - | - | - | - |
| Temp. °C | 30 | 27 | 25 | 25 | 25 | 27 | 27 | 24 | 23 | 21 | 21 | 21 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 22 | 26 | 25 |
| Feels °C (?) | 27 | 25 | 27 | 27 | 27 | 30 | 27 | 20 | 19 | 20 | 19 | 19 | 19 | 21 | 21 | 21 | 21 | 22 | 22 | 20 | 20 | 21 | 24 | 21 |
- 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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