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:
Mancora surfForecast / Piura / Peru
48hr Weather and Surf, issued 12 am Tuesday 16 Dec 2025 -05Forecast update in hr min s Forecast update imminent
Mancora surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mancora sea temperature is
23.1° C
(Which is 1.9°C warmer than normal for this time of year)How big are the waves at Mancora today?
The current surf forecast for Mancora at 5AM is: 0.6m 15s primary swell from a Southwest direction and 0.4m 11s secondary swell from a South-southwest direction, 0.6m 4s secondary swell from a South-southwest direction (forecast issued at 12:00am December 16). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (-05) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 2ft (0.6m) | 15s |
| Afternoon (16 Dec) | 1.5ft (0.4m) | 17s |
| Evening (16 Dec) | 1.5ft (0.5m) | 17s |
Table - waves today at Mancora. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| 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 | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 15 | 15 | 15 | 15 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 64 | 134 | 136 | 134 | 134 | 148 | 107 | 148 | 147 | 142 | 125 | 201 | 203 | 203 | 201 | 198 | 191 | 178 | 171 | 169 | 167 | 167 | 167 | 167 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | glass | cross | cross- on | on | cross- on | cross | cross | cross | cross | glass | cross- on | on | cross- on | cross | cross | cross | cross | glass | on | cross- on | cross- on | cross |
High Tide / height (m) | 1:00AM 1.43 | 1:57PM 1.41 | 1:45AM 1.44 | 2:39PM 1.46 | 2:26AM 1.45 | 3:18PM 1.51 | ||||||||||||||||||
Low Tide / height (m) | 7:33AM 0.39 | 7:51PM 0.63 | 8:13AM 0.33 | 8:35PM 0.59 | 8:51AM 0.27 | |||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:09 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - |
 |  | |  | | | | | | | |  | | | | |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 21 | 21 | 21 | 24 | 23 | 23 | 21 | 21 | 21 | 21 | 21 | 23 | 24 | 23 | 22 | 21 | 22 | 22 | 22 | 23 | 24 | 23 | 21 |
| Feels °C (?) | 18 | 20 | 22 | 22 | 25 | 23 | 22 | 19 | 20 | 20 | 22 | 23 | 24 | 24 | 21 | 20 | 19 | 22 | 23 | 24 | 24 | 23 | 21 | 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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