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:
Maceda surfForecast / Beira / Portugal
48hr Weather and Surf, issued 11 pm Monday 15 Dec 2025 WETForecast update in hr min s Forecast update imminent
Maceda surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Maceda sea temperature is
15.4° C
(Which is normal for this time of year)How big are the waves at Maceda today?
The current surf forecast for Maceda at 6AM is: 3.5m 15s primary swell from a West-northwest direction (forecast issued at 11:00pm December 15). The wind direction is predicted to be cross-onshore.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 11ft (3.5m) | 16s |
| Afternoon (16 Dec) | 13ft (4.0m) | 14s |
| Evening (16 Dec) | 11ft (3.5m) | 14s |
Table - waves today at Maceda. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| 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 | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 16 | 15 | 15 | 16 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 25 | 23 | 21 | 21 | 19 | 19 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1844 | 3865 | 3932 | 5107 | 6053 | 6254 | 5875 | 5741 | 4824 | 4012 | 3429 | 3006 | 2486 | 2026 | 1844 | 1488 | 1139 | 1068 | 1456 | 13602 | 18450 | 20450 | 19895 | 19285 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | cross- off | glass | glass | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 12:11AM 2.39 | 12:31PM 2.36 | 12:53AM 2.50 | 1:13PM 2.43 | 1:32AM 2.60 | 1:53PM 2.50 | ||||||||||||||||||
Low Tide / height (m) | 6:22AM 0.77 | 6:37PM 0.70 | 7:05AM 0.66 | 7:16PM 0.64 | 7:44AM 0.56 | |||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:52 | - | - | - | - | - | - | - | 7:52 | - | - | - | - | - | - | - | 7:52 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:07 | - | - | - | - | - | - | - | 5:07 | - | - | - | - | - | - | - | 5:07 | - |
 |  | | |  |  |  |  | |  | | |  | | |  | | | | | | | | | |
Rain (mm) | 3 | 11 | 3 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 12 | 12 | 10 | 10 | 9 | 10 | 12 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 |
| Feels °C (?) | 6 | 8 | 9 | 7 | 5 | 4 | 4 | 4 | 4 | 5 | 6 | 7 | 7 | 6 | 8 | 10 | 12 | 11 | 10 | 9 | 8 | 8 | 7 | 7 |
- 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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