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:
Praia Formosa surfForecast / Madeira / Portugal
48hr Weather and Surf, issued 5 am Monday 15 Dec 2025 WETForecast update in hr min s Forecast update imminent
Praia Formosa surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Praia Formosa sea temperature is
20.4° C
(Which is slightly warmer than usual)How big are the waves at Praia Formosa today?
The current surf forecast for Praia Formosa at 9AM is: 1.2m 14s primary swell from a Northwest direction (forecast issued at 05:00am December 15). An open ocean swell of 1.0m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 4ft (1.2m) | 14s |
| Afternoon (15 Dec) | 4.5ft (1.3m) | 14s |
| Evening (15 Dec) | 5ft (1.6m) | 13s |
Table - waves today at Praia Formosa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 511 | 604 | 581 | 663 | 612 | 561 | 919 | 1050 | 1185 | 1131 | 944 | 782 | 888 | 999 | 683 | 711 | 875 | 577 | 491 | 555 | 458 | 390 | 328 | 269 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | glass | cross | glass | glass | cross |
High Tide / height (m) | 10:40AM 1.60 | 11:12PM 1.66 | 11:28AM 1.64 | 11:53PM 1.74 | 12:10PM 1.68 | |||||||||||||||||||
Low Tide / height (m) | 4:32AM 0.62 | 4:54PM 0.51 | 5:21AM 0.54 | 5:35PM 0.47 | 6:03AM 0.46 | 6:13PM 0.42 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||
| Sunrise | - | - | 8:00 | - | - | - | - | - | - | - | 8:02 | - | - | - | - | - | - | - | 8:03 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 6:02 | - | - | - | - | - | - | - | 6:02 | - | - | - | - | - | - | - | 6:04 | - | - |
 |  |  |  |  | |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 15 | 15 | 19 | 18 | 17 | 16 | 15 | 15 | 15 | 15 | 17 | 17 | 16 | 15 | 16 | 16 | 16 | 16 | 18 | 18 | 17 | 17 | 16 |
| Feels °C (?) | 14 | 14 | 13 | 17 | 17 | 15 | 13 | 12 | 13 | 12 | 12 | 15 | 16 | 15 | 13 | 15 | 14 | 15 | 15 | 18 | 18 | 17 | 17 | 16 |
- 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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