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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 Thursday 30 Apr 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
11.2° C
(Which is slightly warmer than usual)How big are the waves at Carrownisky today?
The current surf forecast for Carrownisky at 6AM is: 0.6m 15s primary swell from a West-northwest direction and 0.3m 11s secondary swell from a West-southwest direction, 0.4m 11s secondary swell from a Southwest direction (forecast issued at 12:00am April 30). The wind direction is predicted to be offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | 2ft (0.6m) | 14s |
| Afternoon (30 Apr) | 1.5ft (0.5m) | 14s |
| Evening (30 Apr) | 1.5ft (0.5m) | 13s |
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 Sat afternoon. Very mild (max 15°C on Fri morning, min 8°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 30 | Friday 1 | Saturday 2 | ||||||||||||||||||||||
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 15 | WNW 15 | WNW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | NW 10 | WNW 10 | WNW 10 | NW 10 | |
179 | 169 | 165 | 116 | 113 | 102 | 98 | 96 | 55 | 49 | 46 | 45 | 25 | 22 | 23 | 22 | 37 | 35 | 20 | 35 | 26 | 40 | 39 | 25 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | off | off | off | off | cross-off | off | cross-on | cross-on | glassy | glassy | cross | cross | cross-off | cross-off | cross-off | cross | cross-off | cross | |
High Tide | 5:21AM3.59m | 5:43PM3.69m | 5:56AM3.62m | 6:14PM3.75m | 6:30AM3.61m | 6:44PM3.74m | ||||||||||||||||||
Low Tide | 11:12PM0.58m | 11:26AM0.37m | 11:46PM0.46m | 11:57AM0.39m | 00:18AM0.41m | 12:28PM0.45m | ||||||||||||||||||
 |  |  | |  | | | |  | | |  |  | | | |  |  | | | |  | | | |
 | — | 6:07 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:07 | — | — | — | — | — | — | — | 9:08 | — | — | — | — | — | — | — | 9:10 | — |
— | — | — | — | 1 | 1 | — | — | 1 | — | — | — | — | — | — | 1 | 1 | — | — | — | — | 2 | 1 | 1 | |
Temp °C | 10 | 9 | 8 | 9 | 10 | 10 | 10 | 10 | 11 | 11 | 12 | 13 | 15 | 14 | 13 | 13 | 12 | 11 | 10 | 12 | 13 | 13 | 12 | 11 |
5 | 4 | 1 | 3 | 6 | 6 | 7 | 7 | 9 | 9 | 10 | 11 | 12 | 11 | 12 | 12 | 9 | 8 | 7 | 9 | 11 | 9 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | WNW 15 | WNW 15 | WNW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | NW 10 | WNW 10 | WNW 10 | NW 10 |
 kJ | 179 | 169 | 165 | 116 | 113 | 102 | 98 | 96 | 55 | 49 | 46 | 45 | 25 | 22 | 23 | 22 | 37 | 35 | 20 | 35 | 26 | 40 | 39 | 25 |
Swell 2 Height (m) Direction Period (s) | WSW 11 | WSW 11 | — | WSW 10 | WSW 10 | W 10 | WSW 10 | WSW 10 | WSW 10 | W 10 | — | — | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | — | S 6 | S 5 | S 5 | — |
| kJ | 23 | 23 | — | 21 | 20 | 8 | 10 | 10 | 10 | 8 | — | — | 8 | 2 | 2 | 2 | 2 | 2 | 2 | — | 1 | 1 | 1 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SW 11 | ESE 2 | ESE 2 | ESE 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 29 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 70 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 22 | 32 | 32 | 22 | 22 | 32 | 32 | 32 | 32 | 22 | 29 | 22 | 80 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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