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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 Tuesday 19 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 9AM is: 0.8m 9s primary swell from a Southwest direction and 0.1m 13s secondary swell from a West direction, 0.1m 14s secondary swell from a West direction (forecast issued at 12:00am May 19). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 2.5ft (0.8m) | 9s |
| Afternoon (19 May) | 1.5ft (0.5m) | 9s |
| Evening (19 May) | 3.5ft (1.1m) | 16s |
Table - waves today at Carrownisky. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 36mm), heaviest during Thu afternoon. Very mild (max 14°C on Thu morning, min 11°C on Mon night). Winds decreasing (fresh winds from the SW on Tue night, light winds from the SSE by Thu afternoon). | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SW 7 | SW 8 | WSW 9 | SW 9 | WSW 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 | WSW 10 | SW 9 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | |
9 | 17 | 25 | 91 | 44 | 46 | 540 | 597 | 789 | 721 | 627 | 437 | 440 | 192 | 137 | 140 | 63 | 86 | 147 | 69 | 71 | 51 | 52 | 56 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross | cross | cross | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross | cross | cross | cross-off | cross | cross-off | cross-off | |
High Tide | 7:53AM3.81m | 8:09PM3.98m | 8:47AM3.61m | 9:01PM3.81m | 9:45AM3.36m | 9:57PM3.60m | ||||||||||||||||||
Low Tide | 1:32AM0.04m | 1:48PM0.38m | 2:23AM0.15m | 2:38PM0.62m | 3:19AM0.33m | 3:32PM0.87m | ||||||||||||||||||
 | |  | | | | |  | | | | |  | |  | | | | | | |  | |  | |
 | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:39 | — | — | — | — | — | — | — | 9:42 | — | — | — | — | — | — | — | 9:43 | — |
2 | 1 | 4 | 2 | 1 | 2 | 1 | — | 1 | 1 | 1 | 1 | — | — | — | 1 | 3 | 1 | — | — | 1 | 6 | 5 | 1 | |
Temp °C | 12 | 12 | 12 | 12 | 12 | 11 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 14 |
9 | 10 | 8 | 7 | 7 | 7 | 7 | 5 | 4 | 4 | 4 | 4 | 6 | 8 | 10 | 10 | 8 | 7 | 9 | 9 | 12 | 10 | 11 | 10 | |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 8 | WSW 9 | W 13 | WSW 9 | WSW 9 | — | — | — | — | — | — | — | WSW 12 | W 12 | WSW 12 | W 11 | WSW 10 | NW 10 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 10 |
 kJ | 9 | 17 | 25 | 4 | 44 | 46 | — | — | — | — | — | — | — | 192 | 137 | 140 | 63 | 86 | 4 | 69 | 71 | 51 | 52 | 56 |
Swell 2 Height (m) Direction Period (s) | WNW 10 | WNW 9 | W 14 | — | W 13 | W 16 | — | — | — | — | — | — | — | — | — | — | NW 6 | NW 6 | — | NW 10 | NW 9 | NW 8 | NW 8 | W 15 |
| kJ | 9 | 9 | 4 | — | 3 | 21 | — | — | — | — | — | — | — | — | — | — | 2 | 2 | — | 4 | 3 | 3 | 2 | 4 |
Swell 3 Height (m) Direction Period (s) | W 9 | W 15 | — | — | W 17 | W 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 8 |
| kJ | 2 | 4 | — | — | 6 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 |
Wind waves Height (m) Direction Period (s) | S 3 | S 3 | S 3 | SW 9 | SSW 3 | SSW 3 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | SW 4 | SSW 3 | — | S 3 | SSW 4 | SW 9 | SSW 4 | SSW 4 | S 3 | S 3 | SSE 3 |
| kJ | 3 | 3 | 3 | 91 | 6 | 4 | 540 | 597 | 789 | 721 | 627 | 437 | 440 | 11 | 4 | — | 4 | 19 | 147 | 13 | 10 | 6 | 3 | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 101 | 70 | 70 | 70 | 70 | 70 | 74 | 74 | 246 | 266 | 70 | 70 | 74 | 74 | 6 | 0 | 74 | 70 | 70 | 70 | 70 | 70 | 0 | 70 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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