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 Friday 12 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
18.3° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Dump Beach today?
The current surf forecast for Dump Beach at 7AM is: 1.3m 13s primary swell from a South-southwest direction and 0.9m 6s secondary swell from a South-southeast direction (forecast issued at 03:30am December 12). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 4.5ft (1.3m) | 13s |
| Afternoon (12 Dec) | 4ft (1.2m) | 13s |
| Evening (12 Dec) | 3.5ft (1.1m) | 13s |
Table - waves today at Dump Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| 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 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 591 | 538 | 546 | 512 | 451 | 451 | 444 | 358 | 341 | 304 | 260 | 320 | 638 | 752 | 572 | 563 | 555 | 878 | 993 | 1148 | 1426 | 2998 | 6156 | 6440 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | on | on | on | on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | on |
High Tide / height (m) | 4:51AM 0.88 | 5:16PM 0.57 | 5:07AM 0.80 | 12:36AM 0.73 | 4:59AM 0.73 | |||||||||||||||||||
Low Tide / height (m) | 1:22PM 0.49 | 8:31PM 0.49 | 1:56PM 0.47 | 2:45AM 0.72 | 2:36PM 0.44 | |||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| Sunrise | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 8:23 | - | - | - | - | - | - | - | 8:23 | - | - | - | - | - | - | - | 8:24 | - |
 |  |  | |  | | |  | |  |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 18 | 21 | 30 | 32 | 30 | 25 | 19 | 17 | 16 | 16 | 18 | 19 | 17 | 16 | 14 | 14 | 13 | 15 | 16 | 17 | 15 | 14 | 13 |
| Feels °C (?) | 18 | 16 | 18 | 27 | 30 | 27 | 24 | 16 | 15 | 14 | 13 | 14 | 15 | 12 | 12 | 11 | 11 | 10 | 11 | 11 | 11 | 9 | 8 | 8 |
- 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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