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 pm 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 8PM is: 0.4m 19s primary swell from a Southwest direction and 0.4m 9s secondary swell from a Southwest direction (forecast issued at 05:00pm December 12). The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | - | - |
| 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 | Monday 15 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 20 | 19 | 19 | 18 | 18 | 17 | 16 | 16 | 16 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 138 | 129 | 122 | 114 | 49 | 47 | 42 | 125 | 9 | 8 | 14 | 22 | 29 | 39 | 54 | 72 | 86 | 111 | 126 | 148 | 187 | 190 | 159 | 181 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- off | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | on |
High Tide / height (m) | 12:31AM 2.67 | 12:42PM 2.77 | 1:35AM 2.61 | 1:48PM 2.65 | 2:48AM 2.64 | |||||||||||||||||||
Low Tide / height (m) | 5:48PM 1.06 | 6:10AM 1.35 | 7:08PM 1.14 | 7:38AM 1.37 | 8:14PM 1.12 | 8:45AM 1.28 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:04 | - | - | - | - | - | - | - | 8:06 | - | - | - | - | - | - | - | 8:07 | - |
| Sunset | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - | - | - |
 |  | | |  | |  | | |  | | | | |  | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 10 | 10 | 11 | 10 | 11 | 11 | 12 | 11 | 12 | 12 | 12 |
| Feels °C (?) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 4 | 4 | 4 | 5 | 4 | 5 | 4 | 5 | 4 | 5 | 4 | 6 | 7 | 6 |
- 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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