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:
Dump Beach surfForecast / SA – East Coast / Australia
48hr Weather and Surf, issued 3 am Tuesday 16 Dec 2025 ACDTForecast update in hr min s Forecast update imminent
Dump Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dump Beach sea temperature is
18.2° C
(Which is 1.1°C warmer than normal for this time of year)Nearby Cam: 7km away, Encounter Bay Webcam
How big are the waves at Dump Beach today?
The current surf forecast for Dump Beach at 6AM is: 2.3m 12s primary swell from a South-southwest direction and 0.3m 18s secondary swell from a South-southwest direction (forecast issued at 03:30am December 16). The wind direction is predicted to be cross-onshore.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 7ft (2.2m) | 11s |
| Afternoon (16 Dec) | 6ft (1.9m) | 11s |
| Evening (16 Dec) | 5.5ft (1.7m) | 11s |
Table - waves today at Dump Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 14 | 13 | 15 | 14 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1728 | 1513 | 1320 | 1045 | 843 | 828 | 711 | 562 | 530 | 394 | 288 | 233 | 190 | 151 | 139 | 106 | 102 | 78 | 123 | 149 | 86 | 264 | 161 | 229 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | cross- on | cross- on | on | on | on | glass | cross- off | cross- off | cross- off | cross- on | cross- on | on | glass | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross | glass |
High Tide / height (m) | 12:20AM 0.99 | 11:32AM 0.51 | 12:40AM 1.11 | 12:11PM 0.51 | 1:04AM 1.19 | 12:43PM 0.50 | ||||||||||||||||||
Low Tide / height (m) | 10:25AM 0.51 | 3:54PM 0.37 | 10:11AM 0.49 | 4:29PM 0.34 | 10:08AM 0.46 | 5:02PM 0.30 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| Sunrise | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 8:27 | - | - | - | - | - | - | - | 8:27 | - | - | - | - | - | - | - | 8:28 | - |
 | |  | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 12 | 11 | 15 | 19 | 20 | 17 | 15 | 15 | 17 | 21 | 29 | 31 | 29 | 28 | 22 | 21 | 22 | 25 | 34 | 37 | 37 | 25 | 24 |
| Feels °C (?) | 8 | 8 | 7 | 11 | 15 | 16 | 15 | 15 | 15 | 16 | 19 | 26 | 27 | 25 | 25 | 21 | 19 | 19 | 22 | 30 | 32 | 33 | 22 | 23 |
- 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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