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 Monday 15 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 8AM is: 1.7m 6s primary swell from a South direction and 0.1m 14s secondary swell from a Southwest direction, 0.1m 11s secondary swell from a Southwest direction (forecast issued at 05:00am December 15). The wind direction is predicted to be onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 5ft (1.6m) | 6s |
| Afternoon (15 Dec) | 5.5ft (1.7m) | 6s |
| Evening (15 Dec) | 6ft (1.9m) | 6s |
Table - waves today at Sidmouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||
| 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 | 6 | 6 | 14 | 6 | 7 | 6 | 6 | 6 | 8 | 8 | 8 | 8 | 14 | 15 | 15 | 14 | 4 | 13 | 6 | 6 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 255 | 221 | 194 | 187 | 212 | 239 | 293 | 403 | 55 | 43 | 20 | 10 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 21 | 135 | 180 | 272 | 319 |
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- off | off | cross- off | cross- off | cross- off | glass | glass | cross- on | cross- on | on | on | on | on | cross- on |
High Tide / height (m) | 2:48AM 2.64 | 3:06PM 2.63 | 3:56AM 2.76 | 4:15PM 2.72 | 4:47AM 2.92 | 5:07PM 2.85 | ||||||||||||||||||
Low Tide / height (m) | 8:45AM 1.28 | 9:07PM 1.05 | 9:36AM 1.12 | 9:52PM 0.94 | 10:19AM 0.95 | 10:32PM 0.82 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||
| Sunrise | - | - | 8:07 | - | - | - | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:08 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - |
 |  |  | | | | | |  | |  | | | |  | | | |  | | | | | | |
Rain (mm) | - | 2 | 1 | 1 | 1 | 5 | 5 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3 |
| Temp. °C | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 9 | 8 | 7 | 7 | 9 | 9 | 7 | 6 | 6 | 6 | 6 | 8 | 10 | 10 | 10 | 10 | 10 |
| Feels °C (?) | 5 | 6 | 6 | 6 | 6 | 4 | 5 | 4 | 2 | 3 | 3 | 5 | 5 | 4 | 3 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 |
- 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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