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 Saturday 13 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
17.9° C
(Which is slightly warmer than usual)How big are the waves at Dump Beach today?
The current surf forecast for Dump Beach at 9AM is: 1.0m 12s primary swell from a South-southwest direction and 0.6m 16s secondary swell from a South-southwest direction, 1.4m 6s secondary swell from a South direction (forecast issued at 03:30am December 13). The wind direction is predicted to be onshore.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 3.5ft (1.0m) | 12s |
| Afternoon (13 Dec) | 4.5ft (1.4m) | 14s |
| Evening (13 Dec) | 4.5ft (1.3m) | 13s |
Table - waves today at Dump Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 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 | 12 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 341 | 304 | 260 | 353 | 638 | 752 | 572 | 563 | 555 | 403 | 976 | 1293 | 1679 | 5273 | 6565 | 4651 | 4247 | 3703 | 3139 | 2789 | 2532 | 2319 | 2151 | 2269 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | on | on |
High Tide / height (m) | 5:07AM 0.80 | 12:36AM 0.73 | 4:59AM 0.73 | 12:08AM 0.86 | ||||||||||||||||||||
Low Tide / height (m) | 1:56PM 0.47 | 2:45AM 0.72 | 2:36PM 0.44 | 3:16PM 0.41 | ||||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 8:23 | - | - | - | - | - | - | - | 8:24 | - | - | - | - | - | - | - | 8:25 | - |
 |  |  | | | | |  | | |  | | | | | | | | | | | | | | |
Rain (mm) | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 16 | 16 | 18 | 18 | 17 | 16 | 14 | 13 | 13 | 15 | 17 | 17 | 15 | 14 | 13 | 13 | 13 | 13 | 15 | 15 | 14 | 13 | 12 |
| Feels °C (?) | 13 | 13 | 13 | 15 | 13 | 13 | 13 | 11 | 10 | 10 | 12 | 12 | 12 | 10 | 9 | 8 | 9 | 9 | 9 | 10 | 10 | 9 | 8 | 7 |
- 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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