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:
Long Beach surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 am Wednesday 17 Dec 2025 SASTForecast update in hr min s Forecast update imminent
Long Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Long Beach 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 Long Beach today?
The current surf forecast for Long Beach at 10AM is: 2.5m 11s primary swell from a West-southwest direction and 0.3m 15s secondary swell from a Northwest direction, 1.6m 9s secondary swell from a South direction (forecast issued at 07:00am December 17). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 10ft (3.0m) | 10s |
| Afternoon (17 Dec) | 6.5ft (2.0m) | 13s |
| Evening (17 Dec) | 5ft (1.6m) | 13s |
Table - waves today at Long Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| 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 | 5 PM | 8 PM | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 10 | 11 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 8 | 8 | 11 | 12 | 12 | 9 | 11 | 11 | 11 | 11 | 10 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2524 | 1901 | 1489 | 1376 | 993 | 750 | 461 | 454 | 373 | 303 | 292 | 289 | 469 | 623 | 669 | 263 | 493 | 450 | 359 | 387 | 262 | 336 | 918 | 1082 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off |
High Tide / height (m) | 1:41PM 1.31 | 2:15AM 1.27 | 2:18PM 1.35 | 2:50AM 1.31 | 2:53PM 1.38 | |||||||||||||||||||
Low Tide / height (m) | 7:40AM 0.43 | 8:07PM 0.27 | 8:17AM 0.38 | 8:40PM 0.23 | 8:52AM 0.34 | 9:13PM 0.20 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | - | 5:28 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:54 | - | - | - | - | - | - | - | 7:54 | - | - | - | - | - | - | - | 7:55 | - | - | - |
 |  | | | |  | |  | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 18 | 19 | 19 | 19 | 18 | 18 |
| Feels °C (?) | 13 | 12 | 12 | 11 | 12 | 12 | 12 | 13 | 13 | 13 | 12 | 13 | 12 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 11 | 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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