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:
Carrownisky surfForecast / Mayo and Achill Island / Ireland
48hr Weather and Surf, issued 5 pm Thursday 11 Dec 2025 ISTForecast update in hr min s Forecast update imminent
Carrownisky surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Carrownisky sea temperature is
10.3° C
(Which is normal for this time of year)How big are the waves at Carrownisky today?
The current surf forecast for Carrownisky at 11PM is: 1.8m 16s primary swell from a West direction (forecast issued at 05:00pm December 11). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | - | - |
| Afternoon (11 Dec) | 5ft (1.6m) | 15s |
| Evening (11 Dec) | 6ft (1.8m) | 15s |
Table - waves today at Carrownisky. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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) (?) | 15 | 16 | 15 | 16 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1035 | 1651 | 1549 | 1630 | 2798 | 3644 | 3644 | 3237 | 2930 | 2581 | 2262 | 2303 | 2027 | 1206 | 701 | 2031 | 1780 | 1820 | 1668 | 1599 | 1599 | 1144 | 874 | 627 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- on | cross |
High Tide / height (m) | 10:56PM 2.92 | 11:00AM 3.10 | 12:01AM 2.88 | 12:06PM 2.95 | 1:03AM 2.92 | |||||||||||||||||||
Low Tide / height (m) | 4:30PM 0.78 | 4:46AM 1.32 | 5:37PM 0.92 | 6:03AM 1.37 | 6:40PM 1.00 | 7:14AM 1.32 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:47 | - | - | - | - | - | - | - | 8:48 | - | - | - | - | - | - | - | 8:48 | - |
| Sunset | 4:17 | - | - | - | - | - | - | - | 4:17 | - | - | - | - | - | - | - | 4:17 | - | - | - | - | - | - | - |
 |  |  | |  | |  | |  | | | | |  |  | | |  | | | | | | | |
Rain (mm) | - | - | 1 | 1 | - | 1 | 1 | 1 | - | - | 1 | - | - | - | 2 | - | 3 | 5 | 2 | 2 | 5 | 4 | 5 | 3 |
| Temp. °C | 10 | 9 | 9 | 8 | 9 | 8 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 |
| Feels °C (?) | 4 | 2 | 3 | 2 | 3 | 1 | 1 | 0 | 0 | 1 | 1 | 2 | 1 | -1 | -1 | 1 | 0 | 1 | 3 | 5 | 4 | 6 | 6 | 8 |
- 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 Carrownisky 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