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:
Long 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
Long Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Long Beach sea temperature is
17.5° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at Long Beach today?
The current surf forecast for Long Beach at 8PM is: 1.7m 12s primary swell from a Southwest direction and 0.3m 10s secondary swell from a South direction (forecast issued at 03:30pm December 11). An open ocean swell of 1.3m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | - | - |
| Afternoon (11 Dec) | 6ft (1.9m) | 12s |
| Evening (11 Dec) | 5.5ft (1.7m) | 12s |
Table - waves today at Long 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 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 15 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1065 | 948 | 964 | 921 | 951 | 981 | 961 | 841 | 891 | 746 | 723 | 558 | 540 | 496 | 442 | 1124 | 1187 | 1810 | 1326 | 1210 | 816 | 1388 | 1588 | 1912 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- on | cross- on | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- on | on | on | cross- on | cross- on |
High Tide / height (m) | 2:49PM 0.06 | 4:23AM 0.10 | 4:11PM 0.06 | 4:32AM 0.09 | 4:11AM 0.08 | |||||||||||||||||||
Low Tide / height (m) | 9:04PM 0.03 | 11:25AM 0.05 | 9:21PM 0.04 | 12:21PM 0.04 | ||||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:43 | - |
| Sunset | - | - | 8:22 | - | - | - | - | - | - | - | 8:23 | - | - | - | - | - | - | - | 8:23 | - | - | - | - | - |
 | | |  | | |  | |  | | |  |  |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 20 | 20 | 18 | 15 | 17 | 18 | 26 | 28 | 25 | 20 | 16 | 15 | 14 | 14 | 18 | 16 | 15 | 14 | 14 | 14 | 14 | 15 | 14 |
| Feels °C (?) | 14 | 14 | 15 | 14 | 10 | 12 | 13 | 21 | 23 | 23 | 17 | 12 | 12 | 9 | 9 | 14 | 10 | 10 | 8 | 9 | 9 | 9 | 9 | 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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