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:
Ventnor surfForecast / Isle of Wight / UK
48hr Weather and Surf, issued 11 am Thursday 11 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Ventnor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ventnor sea temperature is
10.9° C
(Which is slightly cooler than normal)How big are the waves at Ventnor today?
The current surf forecast for Ventnor at 5PM is: 1.5m 6s primary swell from a Southwest direction and 0.6m 12s secondary swell from a Southwest direction, 0.6m 12s secondary swell from a Southwest direction (forecast issued at 11:00am December 11). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 3ft (0.9m) | 14s |
| Afternoon (11 Dec) | 3ft (0.9m) | 12s |
| Evening (11 Dec) | 2.5ft (0.8m) | 13s |
Table - waves today at Ventnor. (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) (?) | 14 | 13 | 12 | 6 | 13 | 14 | 14 | 15 | 15 | 15 | 14 | 19 | 19 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 14 | 10 | 14 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 317 | 205 | 224 | 162 | 195 | 500 | 518 | 2102 | 2178 | 606 | 1094 | 2381 | 1988 | 1585 | 1269 | 1099 | 951 | 669 | 553 | 471 | 305 | 216 | 92 | 61 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross- on | cross | cross- on | cross- on |
High Tide / height (m) | 4:00PM 3.17 | 4:39AM 3.21 | 4:58PM 2.94 | 5:41AM 3.05 | 6:08PM 2.79 | |||||||||||||||||||
Low Tide / height (m) | 9:31AM 1.10 | 9:59PM 0.91 | 10:50AM 1.22 | 11:11PM 1.06 | 12:00PM 1.23 | 12:16AM 1.12 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | 7:54 | - | - | - | - | - | - | - | 7:56 | - | - | - | - | - | - | - | 7:56 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - |
 | |  |  | | | |  |  | | | | | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 10 | 11 | 12 | 11 | 11 | 11 | 11 | 12 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Feels °C (?) | 5 | 4 | 5 | 7 | 5 | 6 | 6 | 5 | 6 | 6 | 4 | 4 | 6 | 6 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
Buy Less, Surf More This Black Friday
Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.
Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Previously used in our snow jackets for mountain conditions, PrimaLoft® technology is making its debut in the surf industry. The aim is to bring mountain-grade warmth to the waves.
Vancouver Island’s Day Of Days With Reed Platenius
Surf-Forecast recently helped the 21-year-old Canadian pro surfer and adventurer score some cold water perfection at home.
Read more
Discover more articles and updates in the Greenroom.
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Ventnor surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest