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:
Sidmouth surfForecast / Devon (South) / UK
48hr Weather and Surf, issued 5 am Friday 12 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Sidmouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sidmouth sea temperature is
12.0° C
(Which is slightly warmer than usual)How big are the waves at Sidmouth today?
The current surf forecast for Sidmouth at 7AM is: 1.4m 6s primary swell from a South-southwest direction and 1.0m 6s secondary swell from a South-southwest direction, 0.9m 6s secondary swell from a South-southeast direction (forecast issued at 05:00am December 12). The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 2.5ft (0.8m) | 6s |
| Afternoon (12 Dec) | 1.5ft (0.4m) | 20s |
| Evening (12 Dec) | 1.5ft (0.4m) | 19s |
Table - waves today at Sidmouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| 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) (?) | 6 | 6 | 6 | 15 | 20 | 19 | 19 | 18 | 18 | 17 | 16 | 16 | 8 | 14 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 170 | 150 | 39 | 34 | 138 | 129 | 122 | 114 | 49 | 47 | 42 | 25 | 10 | 218 | 11 | 20 | 22 | 22 | 29 | 48 | 47 | 59 | 91 | 160 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | glass | cross- off | glass | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on |
High Tide / height (m) | 11:48AM 2.97 | 12:31AM 2.67 | 12:42PM 2.77 | 1:35AM 2.61 | 1:48PM 2.65 | |||||||||||||||||||
Low Tide / height (m) | 4:50AM 1.18 | 5:48PM 1.06 | 6:10AM 1.35 | 7:08PM 1.14 | 7:38AM 1.37 | 8:14PM 1.12 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| Sunrise | - | - | 8:03 | - | - | - | - | - | - | - | 8:04 | - | - | - | - | - | - | - | 8:06 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - |
 | |  |  | |  | |  | | |  | | |  | | | | | | | | | | | |
Rain (mm) | 2 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 11 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 9 | 10 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 11 | 12 |
| Feels °C (?) | 5 | 8 | 4 | 6 | 7 | 7 | 7 | 8 | 7 | 6 | 6 | 6 | 6 | 5 | 4 | 4 | 4 | 5 | 5 | 4 | 4 | 4 | 5 | 5 |
- 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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