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:
Bonza Bay surfForecast / Eastern Cape – Wild Coast / South Africa
48hr Weather and Surf, issued 1 pm Tuesday 16 Dec 2025 SASTForecast update in hr min s Forecast update imminent
Bonza Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Bonza Bay sea temperature is
18.4° C
(Which is 4.3°C colder than average for this time of year)How big are the waves at Bonza Bay today?
The current surf forecast for Bonza Bay at 7PM is: 0.8m 11s primary swell from a South-southwest direction and 1.0m 5s secondary swell from a East direction, 0.7m 4s secondary swell from a East direction (forecast issued at 01:00pm December 16). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 3.5ft (1.1m) | 12s |
| Afternoon (16 Dec) | 3.5ft (1.0m) | 12s |
| Evening (16 Dec) | 2.5ft (0.8m) | 11s |
Table - waves today at Bonza 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 | 11 | 11 | 11 | 11 | 10 | 6 | 7 | 8 | 9 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 333 | 269 | 196 | 145 | 109 | 105 | 101 | 69 | 103 | 263 | 314 | 358 | 1080 | 551 | 392 | 346 | 418 | 400 | 416 | 486 | 536 | 536 | 475 | 483 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | glass | cross | off | cross- off | cross | cross- off | cross | cross | cross | cross- on | cross- on | cross | glass | glass | cross | cross | cross | cross | cross- off | cross- off | cross- off | glass |
High Tide / height (m) | 1:40PM 1.66 | 2:08AM 1.54 | 2:15PM 1.71 | 2:44AM 1.61 | 2:48PM 1.76 | 3:17AM 1.67 | ||||||||||||||||||
Low Tide / height (m) | 7:59PM 0.63 | 7:59AM 0.67 | 8:33PM 0.55 | 8:36AM 0.62 | 9:04PM 0.48 | |||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 4:54 | - | - | - | - | - | - | - | 4:54 | - | - | - | - | - | - | - | 4:54 | - |
| Sunset | - | - | 7:13 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:14 | - | - | - | - | - |
 |  |  |  |  |  |  | | | | | | | | | | | |  | | | | | | |
Rain (mm) | - | 1 | 2 | - | - | 1 | - | - | - | - | 1 | 3 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 25 | 23 | 24 | 22 | 21 | 21 | 21 | 23 | 21 | 20 | 19 | 19 | 18 | 17 | 17 | 18 | 19 | 20 | 19 | 19 | 17 | 17 | 20 |
| Feels °C (?) | 25 | 29 | 26 | 25 | 24 | 23 | 19 | 17 | 18 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 18 | 16 | 17 | 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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