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Carrownisky Surf Forecast
/ Mayo and Achill Island (14 surf breaks) /
Surf Forecasts:
Carrownisky surfForecast / Mayo and Achill Island / Ireland
48hr Weather and Surf, issued 12 pm Tuesday 12 May 2026 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
11.6° C
(Which is slightly warmer than usual)How big are the waves at Carrownisky today?
The current surf forecast for Carrownisky at 9PM is: 1.6m 10s primary swell from a West-northwest direction (forecast issued at 12:00pm May 12). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 3ft (0.9m) | 8s |
| Afternoon (12 May) | 3.5ft (1.1m) | 9s |
| Evening (12 May) | 5ft (1.6m) | 10s |
Table - waves today at Carrownisky. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Thu morning. Very mild (max 11°C on Thu afternoon, min 7°C on Wed night). Winds decreasing (strong winds from the WNW on Tue night, light winds from the N by Thu night). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 8 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | WNW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | WNW 10 | NW 10 | WNW 10 | NNW 9 | NNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | |
114 | 129 | 210 | 348 | 529 | 690 | 862 | 835 | 980 | 822 | 698 | 589 | 505 | 399 | 271 | 86 | 185 | 81 | 145 | 141 | 30 | 28 | 26 | 26 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 2:52PM3.05m | 2:57AM3.20m | 3:40PM3.34m | 3:48AM3.43m | 4:25PM3.63m | 4:37AM3.65m | ||||||||||||||||||
Low Tide | 8:33AM0.87m | 8:56PM1.14m | 9:20AM0.62m | 9:45PM0.85m | 10:05AM0.38m | 10:30PM0.56m | ||||||||||||||||||
 |  | | |  |  |  |  | | | | |  | | |  | | | | |  | | |  | |
 | 5:43 | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — |
 | — | — | — | 9:28 | — | — | — | — | — | — | — | 9:30 | — | — | — | — | — | — | — | 9:31 | — | — | — | 9:32 |
— | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | 1 | 2 | 1 | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 10 | 10 | 10 | 9 | 8 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 7 | 9 | 10 | 11 | 10 | 9 | 9 | 9 | 9 |
3 | 3 | 2 | 1 | 0 | -2 | -3 | -2 | -2 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 2 | 3 | 3 | 2 | 3 | 3 | 4 | 4 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | W 18 | W 18 | W 17 | W 17 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | WNW 10 | W 15 | WNW 10 | W 15 | W 15 | WNW 9 | WNW 8 | WNW 8 | WNW 8 |
 kJ | — | — | — | — | — | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 86 | 5 | 81 | 4 | 4 | 30 | 28 | 26 | 26 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 16 | — | W 15 | — | — | W 15 | — | — | W 14 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | 4 | — | — | 4 | — | — | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 8 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | WNW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NNW 4 | NW 10 | NNW 4 | NNW 9 | NNW 9 | NNW 4 | N 4 | NNW 3 | N 3 |
| kJ | 114 | 129 | 210 | 348 | 529 | 690 | 862 | 835 | 980 | 822 | 698 | 589 | 505 | 399 | 271 | 6 | 185 | 14 | 145 | 141 | 15 | 6 | 2 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 607 | 672 | 773 | 567 | 566 | 567 | 607 | 605 | 676 | 1139 | 1133 | 1133 | 686 | 811 | 573 | 573 | 665 | 665 | 249 | 567 | 406 | 445 | 249 | 96 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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