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:
Sango Bay surfForecast / Scot – North Coast / UK
48hr Weather and Surf, issued 5 am Saturday 13 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Sango Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sango Bay sea temperature is
10.6° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Sango Bay today?
The current surf forecast for Sango Bay at 10AM is: 4.5m 16s primary swell from a West direction and 0.5m 10s secondary swell from a North-northeast direction (forecast issued at 05:00am December 13). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 15ft (4.5m) | 16s |
| Afternoon (13 Dec) | 1.5ft (0.4m) | 10s |
| Evening (13 Dec) | 0.5ft (0.2m) | 9s |
Table - waves today at Sango Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| 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) (?) | 17 | 16 | 16 | 15 | 10 | 9 | 9 | 9 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 13 | 13 | 13 | 13 | 13 | 17 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 11438 | 11861 | 10950 | 8891 | 37 | 17 | 8 | 8 | 5521 | 3785 | 2854 | 2417 | 2177 | 1725 | 1954 | 2904 | 2601 | 2787 | 2747 | 2843 | 6628 | 7329 | 7293 | 6468 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | cross- off | off | off | off | off | off | off | cross- off | off | cross- off | cross- off | cross- off | off | off | off | off | off | off | cross- off | off | off |
High Tide / height (m) | 2:41AM 2.89 | 2:44PM 3.11 | 3:42AM 2.94 | 3:46PM 3.06 | 4:34AM 3.04 | 4:42PM 3.09 | ||||||||||||||||||
Low Tide / height (m) | 8:28AM 1.41 | 9:17PM 1.02 | 9:42AM 1.38 | 10:17PM 1.01 | 10:45AM 1.26 | 11:08PM 0.96 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| Sunrise | - | - | - | 9:00 | - | - | - | - | - | - | - | 9:00 | - | - | - | - | - | - | - | 9:02 | - | - | - | - |
| Sunset | - | - | - | - | 3:25 | - | - | - | - | - | - | - | 3:23 | - | - | - | - | - | - | - | 3:23 | - | - | - |
 |  | |  |  | | |  | |  | |  | | |  |  | | | | | | | | | |
Rain (mm) | - | - | - | - | 2 | - | - | - | - | 3 | 1 | - | - | 5 | 6 | 3 | - | - | - | - | - | - | - | - |
| Temp. °C | 8 | 8 | 9 | 10 | 11 | 11 | 12 | 12 | 12 | 10 | 11 | 12 | 13 | 12 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 |
| Feels °C (?) | -1 | -2 | -1 | 1 | -4 | -5 | -1 | 1 | 2 | 5 | 7 | 4 | 10 | 9 | 0 | -1 | 0 | 1 | 1 | 1 | 2 | 1 | 1 | 1 |
- 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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