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:
Underwater Point surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 am Tuesday 16 Dec 2025 SASTForecast update in hr min s Forecast update imminent
Underwater Point surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Underwater Point sea temperature is
18.8° C
(Which is normal for this time of year)How big are the waves at Underwater Point today?
The current surf forecast for Underwater Point at 12PM is: 2.4m 12s primary swell from a West-southwest direction and 0.3m 16s secondary swell from a Northwest direction (forecast issued at 07:00am December 16). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 8ft (2.4m) | 12s |
| Afternoon (16 Dec) | 7.5ft (2.3m) | 12s |
| Evening (16 Dec) | 8ft (2.5m) | 14s |
Table - waves today at Underwater Point. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 12 | 12 | 15 | 14 | 14 | 14 | 13 | 10 | 12 | 12 | 13 | 12 | 12 | 12 | 12 | 8 | 8 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1824 | 1599 | 1607 | 1624 | 1323 | 2913 | 3719 | 3386 | 3174 | 2919 | 1898 | 1474 | 1103 | 875 | 618 | 519 | 373 | 303 | 343 | 299 | 304 | 297 | 281 | 246 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | on | on | cross- on | cross- on | on | cross- on | cross | cross- on | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 1:02PM 1.27 | 1:40AM 1.21 | 1:41PM 1.31 | 2:15AM 1.27 | 2:18PM 1.35 | |||||||||||||||||||
Low Tide / height (m) | 6:59AM 0.48 | 7:32PM 0.32 | 7:40AM 0.43 | 8:07PM 0.27 | 8:17AM 0.38 | 8:41PM 0.23 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| Sunrise | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:53 | - | - | - | - | - | - | - | 7:54 | - | - | - | - | - | - | - | 7:54 | - | - | - |
 |  | |  | |  |  | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 18 | 18 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 18 | 18 | 17 | 17 | 17 |
| Feels °C (?) | 19 | 20 | 18 | 16 | 15 | 17 | 16 | 13 | 13 | 12 | 12 | 11 | 11 | 12 | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 9 | 9 | 10 |
- 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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