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:
K-181 surfForecast / Baja Norte / Mexico
48hr Weather and Surf, issued 9 pm Wednesday 10 Dec 2025 PSTForecast update in hr min s Forecast update imminent
K-181 surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's K-181 sea temperature is
18.0° C
(Which is 1.4°C warmer than normal for this time of year)How big are the waves at K-181 today?
The current surf forecast for K-181 at 4AM is: 0.8m 12s primary swell from a West-northwest direction and 0.4m 15s secondary swell from a West-northwest direction (forecast issued at 09:00pm December 10). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 2.5ft (0.7m) | 11s |
| Afternoon (11 Dec) | 2ft (0.6m) | 14s |
| Evening (11 Dec) | 3ft (0.9m) | 15s |
Table - waves today at K-181. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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 | 1 PM | 4 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 12 | 12 | 12 | 12 | 15 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 85 | 164 | 156 | 156 | 119 | 167 | 160 | 145 | 239 | 318 | 512 | 645 | 773 | 817 | 763 | 754 | 696 | 669 | 565 | 557 | 549 | 427 | 402 | 307 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | glass | glass | glass | cross- on | cross | cross- on | glass | cross- on | glass | cross | cross- on | cross- on | cross- on | glass | glass | cross- off | cross | cross | cross- on | cross- on | cross |
High Tide / height (m) | 3:01AM 1.64 | 1:53PM 1.47 | 3:48AM 1.73 | 3:29PM 1.35 | 4:26AM 1.81 | |||||||||||||||||||
Low Tide / height (m) | 7:47PM 0.49 | 8:48AM 1.12 | 8:38PM 0.63 | 10:18AM 0.96 | 9:27PM 0.76 | 11:21AM 0.79 | ||||||||||||||||||
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 4:43 | - | - | - | - | - | - | - | 4:43 | - | - | - | - | - | - | - | 4:44 |
 | | | |  | | | | | | | | | | | |  | | | | | |  |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 20 | 21 | 20 | 20 | 21 | 21 | 21 | 20 | 18 | 19 | 19 | 19 | 20 | 21 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 |
| Feels °C (?) | 20 | 19 | 20 | 19 | 19 | 19 | 19 | 20 | 19 | 18 | 18 | 18 | 18 | 19 | 20 | 18 | 19 | 19 | 18 | 18 | 18 | 19 | 18 | 18 |
- 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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