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 11 am Thursday 11 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
11.8° C
(Which is normal for this time of year)How big are the waves at Sidmouth today?
The current surf forecast for Sidmouth at 5PM is: 1.5m 6s primary swell from a South direction and 0.2m 13s secondary swell from a West-southwest direction, 0.1m 10s secondary swell from a Southwest direction (forecast issued at 11:00am December 11). The wind direction is predicted to be onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 4.5ft (1.3m) | 5s |
| Afternoon (11 Dec) | 5ft (1.5m) | 6s |
| Evening (11 Dec) | 5.5ft (1.7m) | 6s |
Table - waves today at Sidmouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 6 | 9 | 20 | 19 | 19 | 18 | 18 | 17 | 16 | 16 | 10 | 15 | 4 | 4 | 4 | 4 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 94 | 139 | 139 | 160 | 205 | 181 | 170 | 165 | 39 | 38 | 140 | 129 | 122 | 116 | 49 | 47 | 42 | 25 | 141 | 8 | 13 | 16 | 20 | 19 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | on | on | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | glass | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 10:59AM 3.21 | 11:36PM 2.82 | 11:48AM 2.97 | 12:31AM 2.67 | 12:42PM 2.77 | 1:35AM 2.61 | ||||||||||||||||||
Low Tide / height (m) | 4:38PM 0.87 | 4:50AM 1.18 | 5:48PM 1.06 | 6:10AM 1.35 | 7:08PM 1.14 | |||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | 8:03 | - | - | - | - | - | - | - | 8:03 | - | - | - | - | - | - | - | 8:04 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - |
 | | |  |  | | | | |  |  |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 11 | 12 | 12 | 12 | 12 | 11 | 11 | 8 | 9 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 9 | 10 | 9 | 9 | 9 | 9 | 9 |
| Feels °C (?) | 5 | 5 | 6 | 5 | 6 | 6 | 4 | 8 | 3 | 5 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 5 | 4 | 4 | 4 | 4 |
- 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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