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 pm 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
16.2° C
(Which is slightly warmer than usual)How big are the waves at Grinders today?
The current surf forecast for Grinders at 9PM is: 0.8m 14s primary swell from a Southwest direction and 0.2m 9s secondary swell from a East-southeast direction, 0.8m 4s secondary swell from a South-southwest direction (forecast issued at 04:00pm December 13). The wind direction is predicted to be cross-onshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | - | - |
| 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 | Tuesday 16 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | 8 AM | 11 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 14 | 14 | 13 | 13 | 13 | 13 | 9 | 11 | 12 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 118 | 248 | 341 | 208 | 202 | 166 | 132 | 290 | 932 | 3248 | 4179 | 4631 | 7462 | 6883 | 3644 | 3348 | 2008 | 2026 | 2641 | 1408 | 1198 | 1019 | 838 | 737 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on |
High Tide / height (m) | 6:45PM 1.52 | 6:43AM 1.69 | 7:46PM 1.48 | 7:20AM 1.58 | 8:54PM 1.46 | 8:01AM 1.47 | ||||||||||||||||||
Low Tide / height (m) | 12:32AM 0.67 | 1:22PM 0.46 | 1:23AM 0.83 | 2:09PM 0.48 | 2:25AM 0.96 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - |
| Sunset | - | - | 8:40 | - | - | - | - | - | - | - | 8:40 | - | - | - | - | - | - | - | 8:42 | - | - | - | - | - |
 | |  |  |  | |  | | | | | | | | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 18 | 16 | 14 | 13 | 13 | 14 | 16 | 15 | 15 | 14 | 12 | 11 | 11 | 13 | 14 | 15 | 14 | 13 | 12 | 11 | 12 | 12 | 13 |
| Feels °C (?) | 20 | 15 | 13 | 12 | 9 | 8 | 9 | 9 | 7 | 7 | 7 | 6 | 6 | 5 | 6 | 7 | 8 | 7 | 7 | 8 | 7 | 9 | 8 | 10 |
- 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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