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:
TCs surfForecast / CAL – LA County / USA
48hr Weather and Surf, issued 3 am Tuesday 16 Dec 2025 PSTForecast update in hr min s Forecast update imminent
TCs surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's TCs sea temperature is
17.6° C
(Which is 2.5°C warmer than normal for this time of year)How big are the waves at TCs today?
The current surf forecast for TCs at 7AM is: 0.4m 9s primary swell from a West direction and 0.3m 12s secondary swell from a Southwest direction (forecast issued at 03:00am December 16). The wind direction is predicted to be glassy.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 1.5ft (0.4m) | 9s |
| Afternoon (16 Dec) | 1.5ft (0.4m) | 8s |
| Evening (16 Dec) | 1ft (0.3m) | 15s |
Table - waves today at TCs. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| 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) (?) | 16 | 16 | 9 | 9 | 12 | 8 | 15 | 15 | 15 | 15 | 13 | 13 | 12 | 8 | 8 | 8 | 12 | 12 | 12 | 8 | 8 | 12 | 12 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 25 | 25 | 25 | 25 | 25 | 22 | 33 | 54 | 54 | 54 | 89 | 84 | 113 | 106 | 106 | 116 | 107 | 103 | 100 | 99 | 80 | 221 | 66 | 65 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | glass | glass | glass | cross- on | cross- on | cross- on | glass | glass | glass | glass | glass | cross | cross | cross- off | cross- off | off | off | off | cross- off | cross | cross- on | cross | glass |
High Tide / height (m) | 6:23AM 1.73 | 8:16PM 1.05 | 6:51AM 1.78 | 8:54PM 1.06 | 7:21AM 1.81 | 9:29PM 1.08 | ||||||||||||||||||
Low Tide / height (m) | 11:53PM 0.70 | 1:45PM -0.03 | 12:26AM 0.75 | 2:18PM -0.12 | 12:58AM 0.77 | 2:50PM -0.17 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| Sunrise | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 4:45 | - | - | - | - | - | - | - | 4:45 | - | - | - | - | - | - | - | 4:46 | - | - |
 | |  | |  | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 16 | 16 | 17 | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 18 | 19 | 21 | 23 | 22 | 20 | 20 | 20 | 20 | 22 | 23 | 21 | 21 |
| Feels °C (?) | 15 | 17 | 16 | 17 | 18 | 17 | 17 | 17 | 16 | 17 | 16 | 17 | 17 | 17 | 18 | 19 | 19 | 18 | 18 | 18 | 19 | 21 | 19 | 20 |
- 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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