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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 am Friday 15 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
11.5° C
(Which is normal for this time of year)How big are the waves at Carrownisky today?
The current surf forecast for Carrownisky at 5AM is: 0.4m 8s primary swell from a Northwest direction and 0.1m 14s secondary swell from a West direction, 0.3m 3s secondary swell from a North-northwest direction (forecast issued at 12:00am May 15). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 1ft (0.3m) | 8s |
| Afternoon (15 May) | 1ft (0.3m) | 8s |
| Evening (15 May) | 1ft (0.3m) | 7s |
Table - waves today at Carrownisky. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 18mm), heaviest on Sun morning. Very mild (max 11°C on Fri night, min 8°C on Sat night). Winds increasing (light winds from the WSW on Fri afternoon, fresh winds from the SW by Sat night). | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | ||||||||||||||||||||||
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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
WNW 8 | NW 8 | NW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | W 13 | WNW 12 | W 14 | W 14 | W 13 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | |
28 | 17 | 17 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 36 | 171 | 252 | 423 | 482 | 417 | 470 | 547 | 459 | 383 | 356 | 280 | 220 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | on | on | on | on | |
High Tide | 4:37AM3.65m | 5:08PM3.87m | 5:25AM3.83m | 5:51PM4.03m | 6:13AM3.93m | 6:35PM4.10m | ||||||||||||||||||
Low Tide | 10:30PM0.56m | 10:48AM0.20m | 11:14PM0.31m | 11:32AM0.11m | 11:58PM0.12m | 12:16PM0.11m | ||||||||||||||||||
 | |  |  | | | | |  | |  |  | | |  | | | | | | | | |  | |
 | — | 5:39 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:32 | — | — | — | — | — | — | — | 9:35 | — | — | — | — | — | — | — | 9:37 | — |
— | — | — | — | — | — | — | — | 1 | — | 1 | 2 | — | — | — | — | — | 1 | 2 | 5 | 4 | 1 | 1 | — | |
Temp °C | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 10 | 11 | 10 | 10 | 11 | 10 | 10 | 10 | 10 | 9 | 8 | 9 | 9 | 10 | 10 | 9 |
4 | 4 | 4 | 6 | 6 | 6 | 8 | 6 | 7 | 8 | 6 | 4 | 4 | 2 | 2 | 3 | 3 | 2 | 0 | 2 | 3 | 2 | 4 | 3 | |
Swell 1 Height (m) Direction Period (s) | WNW 8 | NW 8 | NW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | W 14 | — | — | — | — | — | — | — | — | — | — | W 12 | W 12 |
 kJ | 28 | 17 | 17 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 15 | — | — | — | — | — | — | — | — | — | — | 280 | 220 |
Swell 2 Height (m) Direction Period (s) | W 15 | W 14 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | — | W 16 | W 15 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | — | 5 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | W 14 | W 14 | W 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 4 | 4 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 4 | NNW 3 | NNW 3 | NNW 3 | — | — | — | — | — | — | — | WNW 7 | W 13 | WNW 12 | W 14 | W 14 | W 13 | W 13 | W 13 | W 13 | W 13 | W 12 | — | — |
| kJ | 6 | 3 | 2 | 1 | — | — | — | — | — | — | — | 36 | 171 | 252 | 423 | 482 | 417 | 470 | 547 | 459 | 383 | 356 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 410 | 96 | 96 | 29 | 160 | 160 | 160 | 70 | 70 | 70 | 70 | 132 | 246 | 519 | 523 | 535 | 160 | 101 | 246 | 74 | 96 | 250 | 160 | 74 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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