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:
Glenelg Rivermouth surfForecast / VIC – Far West / Australia
48hr Weather and Surf, issued 3 pm Friday 12 Dec 2025 ACDTForecast update in hr min s Forecast update imminent
Glenelg Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Glenelg Rivermouth sea temperature is
16.2° C
(Which is slightly warmer than usual)How big are the waves at Glenelg Rivermouth today?
The current surf forecast for Glenelg Rivermouth at 7PM is: 1.6m 13s primary swell from a Southwest direction and 0.4m 8s secondary swell from a South direction, 0.4m 5s secondary swell from a Southeast direction (forecast issued at 03:30pm December 12). The wind direction is predicted to be cross-onshore.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | - | - |
| Afternoon (12 Dec) | 5.5ft (1.7m) | 13s |
| Evening (12 Dec) | 5ft (1.6m) | 12s |
Table - waves today at Glenelg Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 14 | 13 | 13 | 13 | 13 | 12 | 8 | 12 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1037 | 865 | 851 | 666 | 645 | 695 | 645 | 1058 | 1558 | 1591 | 1417 | 1299 | 1103 | 730 | 1090 | 3443 | 6217 | 8566 | 10681 | 9516 | 8402 | 7464 | 6916 | 6235 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross | cross | cross | cross- on | cross- on | cross- on | on | on | on | on | on | on | on |
High Tide / height (m) | 4:14PM 0.48 | 4:38AM 0.68 | 7:24PM 0.48 | 4:27AM 0.62 | 12:31AM 0.62 | |||||||||||||||||||
Low Tide / height (m) | 9:29PM 0.36 | 12:12PM 0.33 | 9:07PM 0.48 | 1:09PM 0.29 | ||||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - |
| Sunset | - | - | 8:22 | - | - | - | - | - | - | - | 8:22 | - | - | - | - | - | - | - | 8:22 | - | - | - | - | - |
 |  | |  |  |  |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 26 | 25 | 19 | 17 | 15 | 14 | 14 | 17 | 16 | 16 | 15 | 13 | 14 | 15 | 14 | 13 | 14 | 14 | 13 | 13 | 13 | 12 | 13 | 13 |
| Feels °C (?) | 23 | 22 | 18 | 15 | 13 | 12 | 12 | 14 | 13 | 13 | 12 | 10 | 10 | 11 | 8 | 6 | 8 | 8 | 7 | 7 | 8 | 7 | 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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