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:
Grinders surfForecast / VIC – Torquay / Australia
48hr Weather and Surf, issued 4 am Saturday 13 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Grinders surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Grinders sea temperature is
15.7° C
(Which is normal for this time of year)How big are the waves at Grinders today?
The current surf forecast for Grinders at 7AM is: 0.6m 12s primary swell from a Southwest direction and 0.4m 4s secondary swell from a Southeast direction, 0.3m 2s secondary swell from a Southwest direction (forecast issued at 04:00am December 13). The wind direction is predicted to be cross-onshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 2ft (0.6m) | 12s |
| Afternoon (13 Dec) | 1.5ft (0.5m) | 16s |
| Evening (13 Dec) | 2.5ft (0.8m) | 14s |
Table - waves today at Grinders. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 16 | 14 | 14 | 13 | 13 | 13 | 13 | 9 | 10 | 12 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 98 | 93 | 92 | 90 | 118 | 301 | 341 | 208 | 202 | 166 | 132 | 246 | 783 | 2693 | 3789 | 4269 | 4262 | 4038 | 3717 | 2448 | 2534 | 2349 | 2886 | 1725 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- on | cross- on | on | on | cross- on | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on |
High Tide / height (m) | 6:07AM 1.81 | 6:45PM 1.52 | 6:43AM 1.69 | 7:46PM 1.48 | 7:20AM 1.58 | 8:54PM 1.46 | ||||||||||||||||||
Low Tide / height (m) | 11:45PM 0.49 | 12:36PM 0.45 | 12:32AM 0.67 | 1:22PM 0.46 | 1:23AM 0.83 | 2:09PM 0.48 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 8:40 | - | - | - | - | - | - | - | 8:40 | - | - | - | - | - | - | - | 8:42 | - |
 | |  |  | |  | |  | | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 17 | 16 | 19 | 20 | 17 | 16 | 15 | 13 | 12 | 14 | 16 | 15 | 15 | 13 | 12 | 11 | 11 | 13 | 14 | 15 | 14 | 13 | 12 |
| Feels °C (?) | 17 | 16 | 14 | 18 | 18 | 13 | 13 | 14 | 9 | 7 | 9 | 9 | 7 | 7 | 6 | 6 | 5 | 6 | 7 | 7 | 8 | 7 | 7 | 7 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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