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 pm Thursday 11 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 7PM is: 1.7m 12s primary swell from a South-southwest direction and 0.9m 5s secondary swell from a South direction (forecast issued at 03:30pm December 11). The wind direction is predicted to be onshore.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | - | - |
| Afternoon (11 Dec) | 4.5ft (1.4m) | 12s |
| Evening (11 Dec) | 4.5ft (1.4m) | 12s |
Table - waves today at Dump Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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 | 1 AM | 4 AM | 7 AM | 10 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 554 | 554 | 820 | 573 | 521 | 538 | 546 | 512 | 451 | 451 | 444 | 358 | 309 | 304 | 260 | 320 | 638 | 1598 | 1306 | 563 | 555 | 403 | 993 | 1148 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | glass | glass | cross- off | cross- off | cross- off | glass | cross- on | cross- on | cross- on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- on |
High Tide / height (m) | 4:00PM 0.54 | 4:51AM 0.88 | 5:16PM 0.57 | 5:07AM 0.80 | 12:36AM 0.73 | 4:59AM 0.73 | ||||||||||||||||||
Low Tide / height (m) | 1:01PM 0.51 | 8:27PM 0.36 | 1:22PM 0.49 | 8:31PM 0.49 | 1:56PM 0.47 | 2:45AM 0.72 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - |
| Sunset | - | - | 8:22 | - | - | - | - | - | - | - | 8:23 | - | - | - | - | - | - | - | 8:23 | - | - | - | - | - |
 |  | |  | |  |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 23 | 19 | 17 | 18 | 19 | 21 | 31 | 32 | 31 | 24 | 17 | 16 | 16 | 16 | 18 | 18 | 17 | 15 | 14 | 13 | 13 | 15 | 17 |
| Feels °C (?) | 20 | 20 | 18 | 17 | 18 | 16 | 17 | 27 | 30 | 28 | 22 | 15 | 14 | 14 | 12 | 15 | 13 | 12 | 11 | 10 | 10 | 10 | 11 | 12 |
- 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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