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:
Chancay surfForecast / Lima / Peru
48hr Weather and Surf, issued 6 pm Monday 15 Dec 2025 -05Forecast update in hr min s Forecast update imminent
Chancay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Chancay sea temperature is
18.3° C
(Which is 2.1°C colder than average for this time of year)How big are the waves at Chancay today?
The current surf forecast for Chancay at 1AM is: 0.4m 15s primary swell from a Southwest direction and 0.6m 7s secondary swell from a South-southwest direction, 0.4m 11s secondary swell from a South-southwest direction (forecast issued at 06:00pm December 15). The wind direction is predicted to be cross-offshore.
| Time (-05) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 2ft (0.6m) | 12s |
| Afternoon (16 Dec) | 2ft (0.6m) | 13s |
| Evening (16 Dec) | 2ft (0.6m) | 13s |
Table - waves today at Chancay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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 | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 15 | 15 | 15 | 13 | 13 | 12 | 13 | 13 | 13 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 134 | 134 | 134 | 55 | 114 | 111 | 95 | 111 | 180 | 111 | 88 | 87 | 108 | 143 | 146 | 181 | 156 | 209 | 227 | 249 | 259 | 259 | 259 | 221 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | glass | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 3:46PM 0.79 | 2:33AM 0.62 | 4:20PM 0.84 | 3:10AM 0.59 | 4:52PM 0.87 | 3:47AM 0.56 | ||||||||||||||||||
Low Tide / height (m) | 9:48PM 0.43 | 9:12AM 0.14 | 10:35PM 0.40 | 9:41AM 0.12 | 11:16PM 0.38 | 10:12AM 0.11 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:41 | - | - |
| Sunset | 6:28 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:29 | - | - | - | - | - | - | - |
 |  | |  | | | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 21 | 20 | 19 | 19 | 18 | 18 | 18 | 20 | 21 | 21 | 19 | 19 | 19 | 18 | 19 | 20 | 21 | 21 | 20 | 19 | 19 | 18 | 18 |
| Feels °C (?) | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 21 | 21 | 19 | 20 | 20 | 19 | 20 | 20 | 20 | 21 | 21 | 20 | 20 | 19 | 19 |
- 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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