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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 6 am Wednesday 13 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 normal for this time of year)How big are the waves at Carrownisky today?
The current surf forecast for Carrownisky at 1PM is: 1.7m 12s primary swell from a Northwest direction and 0.1m 16s secondary swell from a West direction (forecast issued at 06:00am May 13). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 6ft (1.8m) | 12s |
| Afternoon (13 May) | 5ft (1.6m) | 12s |
| Evening (13 May) | 5ft (1.5m) | 11s |
Table - waves today at Carrownisky. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Thu morning. Very mild (max 10°C on Wed morning, min 8°C on Wed night). Winds decreasing (strong winds from the NW on Wed morning, light winds from the SW by Fri night). | ||||||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 11 | WNW 11 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NNW 9 | NNW 9 | WNW 8 | WNW 8 | WNW 8 | NW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | |
745 | 780 | 878 | 822 | 644 | 534 | 457 | 357 | 266 | 163 | 160 | 173 | 162 | 138 | 121 | 27 | 26 | 24 | 16 | 12 | 11 | 11 | 11 | 11 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | |
High Tide | 3:40PM3.34m | 3:48AM3.43m | 4:25PM3.63m | 4:37AM3.65m | 5:08PM3.87m | |||||||||||||||||||
Low Tide | 9:20AM0.62m | 9:45PM0.85m | 10:05AM0.38m | 10:30PM0.56m | 10:48AM0.20m | 11:14PM0.31m | ||||||||||||||||||
 |  |  |  | | |  |  | |  |  | | | | | | | | | | | |  | | |
 | 5:41 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | 5:37 |
 | — | — | — | — | — | 9:30 | — | — | — | — | — | — | — | 9:31 | — | — | — | — | — | — | — | 9:32 | — | 9:35 |
1 | 1 | — | — | — | — | — | — | — | — | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 9 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 9 | 10 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 9 |
-1 | -2 | -1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 2 | 1 | 3 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 6 | 6 | |
Swell 1 Height (m) Direction Period (s) | W 18 | W 17 | W 17 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 15 | W 15 | W 15 | W 15 | W 15 | WNW 8 | WNW 8 | WNW 8 | NW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 |
 kJ | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 27 | 26 | 24 | 16 | 12 | 11 | 11 | 11 | 11 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 9 | W 9 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 14 | W 14 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 11 | WNW 11 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NNW 9 | NNW 9 | N 4 | N 3 | N 3 | NNW 3 | NNW 2 | NW 2 | — | — | — |
| kJ | 745 | 780 | 878 | 822 | 644 | 534 | 457 | 357 | 266 | 163 | 160 | 173 | 162 | 138 | 121 | 7 | 3 | 1 | 1 | 1 | 1 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 588 | 623 | 676 | 686 | 1139 | 1165 | 697 | 686 | 573 | 573 | 1151 | 1328 | 567 | 567 | 406 | 473 | 249 | 96 | 96 | 160 | 249 | 160 | 74 | 36 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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