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:
Reventazon surfForecast / Piura / Peru
48hr Weather and Surf, issued 12 am Saturday 13 Dec 2025 -05Forecast update in hr min s Forecast update imminent
Reventazon surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Reventazon sea temperature is
18.7° C
(Which is 2.1°C colder than average for this time of year)How big are the waves at Reventazon today?
The current surf forecast for Reventazon at 4AM is: 0.6m 11s primary swell from a Southwest direction and 0.6m 5s secondary swell from a South direction (forecast issued at 12:00am December 13). The wind direction is predicted to be cross-shore.
| Time (-05) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 2ft (0.6m) | 11s |
| Afternoon (13 Dec) | 2ft (0.6m) | 11s |
| Evening (13 Dec) | 2.5ft (0.7m) | 11s |
Table - waves today at Reventazon. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 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) (?) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 133 | 103 | 99 | 97 | 96 | 94 | 76 | 76 | 113 | 107 | 103 | 82 | 109 | 111 | 111 | 84 | 158 | 161 | 161 | 161 | 125 | 119 | 105 | 136 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 11:43AM 1.05 | 11:40PM 1.24 | 12:49PM 1.11 | 12:29AM 1.21 | 1:42PM 1.17 | |||||||||||||||||||
Low Tide / height (m) | 5:34AM 0.48 | 5:21PM 0.62 | 6:28AM 0.43 | 6:32PM 0.65 | 7:13AM 0.38 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:03 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:32 | - |
 |  | |  |  | |  | | | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 17 | 17 | 17 | 19 | 20 | 20 | 19 | 18 | 18 | 18 | 18 | 19 | 20 | 20 | 19 | 18 | 18 | 17 | 17 | 19 | 20 | 20 | 19 |
| Feels °C (?) | 17 | 17 | 16 | 16 | 18 | 19 | 19 | 19 | 17 | 17 | 18 | 17 | 18 | 19 | 18 | 18 | 17 | 18 | 17 | 16 | 18 | 19 | 18 | 17 |
- 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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