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 3 am Saturday 13 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
17.5° C
(Which is 1.0°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 9AM is: 1.1m 14s primary swell from a West-northwest direction and 0.3m 11s secondary swell from a South-southwest direction (forecast issued at 03:00am December 13). The wind direction is predicted to be cross-onshore.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 3.5ft (1.1m) | 14s |
| Afternoon (13 Dec) | 3ft (0.9m) | 13s |
| Evening (13 Dec) | 3ft (0.9m) | 13s |
Table - waves today at K-181. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 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) (?) | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 11 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 565 | 557 | 549 | 427 | 378 | 307 | 303 | 298 | 235 | 220 | 167 | 147 | 109 | 107 | 106 | 78 | 79 | 79 | 62 | 45 | 44 | 41 | 41 | 41 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross | glass | cross | cross | glass | cross- on | cross- on | cross- on | cross | cross | cross | cross- on | cross | cross- on | cross- on | cross- on | cross | glass |
High Tide / height (m) | 4:26AM 1.81 | 4:57PM 1.31 | 4:59AM 1.89 | 6:06PM 1.32 | 5:29AM 1.96 | 6:59PM 1.36 | ||||||||||||||||||
Low Tide / height (m) | 11:21AM 0.79 | 10:12PM 0.87 | 12:06PM 0.62 | 10:53PM 0.95 | 12:43PM 0.47 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 4:44 | - | - | - | - | - | - | - | 4:44 | - | - | - | - | - | - | - | 4:44 | - | - |
 |  |  | |  | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 17 | 18 | 19 | 18 | 18 | 19 | 17 | 18 | 19 | 19 | 20 | 19 | 19 | 20 | 19 | 19 | 19 | 20 | 20 | 19 | 19 | 19 |
| Feels °C (?) | 17 | 16 | 16 | 17 | 18 | 17 | 18 | 19 | 16 | 17 | 19 | 18 | 18 | 17 | 18 | 20 | 18 | 18 | 18 | 19 | 18 | 16 | 18 | 19 |
- 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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