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:
Pembrey surfForecast / Wales – Pembrokeshire / UK
48hr Weather and Surf, issued 11 pm Monday 15 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Pembrey surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Pembrey sea temperature is
10.6° C
(Which is normal for this time of year)How big are the waves at Pembrey today?
The current surf forecast for Pembrey at 3AM is: 1.6m 14s primary swell from a West-southwest direction (forecast issued at 11:00pm December 15). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 5ft (1.6m) | 14s |
| Afternoon (16 Dec) | 5ft (1.6m) | 14s |
| Evening (16 Dec) | 5ft (1.5m) | 14s |
Table - waves today at Pembrey. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| 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 | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 7 | 8 | 9 | 10 | 11 | 11 | 11 | 21 | 20 | 20 | 19 | 18 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1243 | 1106 | 975 | 1032 | 1047 | 1111 | 975 | 849 | 837 | 813 | 691 | 1487 | 689 | 1202 | 2132 | 2948 | 3589 | 3148 | 1868 | 7772 | 5274 | 4772 | 6044 | 5961 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | glass | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | on | cross- on | cross- on |
High Tide / height (m) | 3:30AM 6.66 | 3:52PM 6.80 | 4:16AM 6.96 | 4:37PM 7.06 | 4:58AM 7.27 | 5:18PM 7.32 | ||||||||||||||||||
Low Tide / height (m) | 9:13PM 2.35 | 9:38AM 2.32 | 10:01PM 2.14 | 10:24AM 2.05 | 10:43PM 1.89 | 11:05AM 1.76 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:17 | - | - | - | - | - | - | - | 8:18 | - | - | - | - | - | - | - | 8:18 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - |
 | |  | |  | | | |  |  | | |  | |  | | |  | | | | | | | |
Rain (mm) | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 3 | 6 | 9 | 3 | - | - | - | - |
| Temp. °C | 11 | 10 | 9 | 9 | 8 | 8 | 7 | 8 | 9 | 8 | 7 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 10 |
| Feels °C (?) | 9 | 8 | 6 | 6 | 4 | 4 | 4 | 4 | 6 | 5 | 5 | 4 | 4 | 2 | 1 | 0 | 1 | 1 | 3 | 9 | 8 | 8 | 6 | 4 |
- 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 Pembrey 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