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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 Monday 18 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
11.3° C
(Which is normal for this time of year)How big are the waves at Carrownisky today?
The current surf forecast for Carrownisky at 1PM is: 0.5m 10s primary swell from a West direction (forecast issued at 06:00am May 18). The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 2ft (0.6m) | 11s |
| Afternoon (18 May) | 1.5ft (0.5m) | 10s |
| Evening (18 May) | 1.5ft (0.4m) | 10s |
Table - waves today at Carrownisky. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 22mm), heaviest during Mon night. Very mild (max 14°C on Wed night, min 10°C on Mon morning). Winds increasing (light winds from the SSE on Mon morning, strong winds from the SW by Tue night). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | SW 8 | SW 8 | WSW 9 | WSW 9 | SW 9 | WSW 9 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | W 12 | WSW 12 | W 11 | |
114 | 112 | 79 | 52 | 49 | 31 | 30 | 15 | 17 | 25 | 26 | 109 | 70 | 357 | 637 | 789 | 756 | 817 | 538 | 350 | 274 | 137 | 153 | 88 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | |
High Tide | 7:02AM3.92m | 7:21PM4.08m | 7:53AM3.81m | 8:09PM3.98m | 8:47AM3.61m | 9:01PM3.81m | ||||||||||||||||||
Low Tide | 1:01PM0.20m | 1:32AM0.04m | 1:48PM0.38m | 2:23AM0.15m | 2:38PM0.62m | |||||||||||||||||||
 |  | | | |  |  |  | | | | |  |  | | | | | | | | | | | |
 | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | 5:28 |
 | — | — | — | — | — | 9:37 | — | — | — | — | — | — | — | 9:39 | — | — | — | — | — | — | — | 9:42 | — | 9:43 |
— | — | — | — | — | 2 | 3 | 2 | 1 | 3 | 3 | 1 | 1 | — | 1 | 1 | 1 | 1 | — | — | — | — | — | 1 | |
Temp °C | 9 | 9 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 11 | 12 | 12 | 12 | 11 | 12 | 13 | 13 | 13 |
7 | 6 | 6 | 5 | 5 | 5 | 6 | 8 | 8 | 7 | 6 | 6 | 7 | 7 | 7 | 4 | 4 | 5 | 6 | 4 | 7 | 10 | 10 | 10 | |
Swell 1 Height (m) Direction Period (s) | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | SW 8 | SW 8 | WSW 9 | WSW 9 | W 13 | W 16 | — | — | — | — | — | — | — | — | W 12 | WSW 12 | W 11 |
 kJ | 114 | 112 | 79 | 52 | 49 | 31 | 30 | 15 | 17 | 25 | 26 | 3 | 21 | — | — | — | — | — | — | — | — | 137 | 153 | 88 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | WNW 10 | WNW 9 | W 14 | W 13 | W 17 | W 13 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 9 | 9 | 4 | 4 | 6 | 3 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 15 | W 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 4 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SE 2 | SE 2 | SE 3 | SSE 2 | S 3 | S 3 | S 3 | SW 9 | WSW 9 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | SSW 4 | — | S 3 |
| kJ | — | — | — | — | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 109 | 70 | 357 | 637 | 789 | 756 | 817 | 538 | 350 | 274 | 8 | — | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 80 | 74 | 115 | 99 | 166 | 70 | 70 | 70 | 74 | 74 | 213 | 74 | 74 | 96 | 197 | 165 | 176 | 166 | 6 | 0 | 74 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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