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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 Sunday 17 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
11.4° C
(Which is normal for this time of year)How big are the waves at Carrownisky today?
The current surf forecast for Carrownisky at 11AM is: 1.3m 13s primary swell from a West direction (forecast issued at 06:00am May 17). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 4.5ft (1.3m) | 13s |
| Afternoon (17 May) | 4.5ft (1.3m) | 12s |
| Evening (17 May) | 3ft (0.9m) | 12s |
Table - waves today at Carrownisky. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 25mm), heaviest during Mon night. Very mild (max 12°C on Mon morning, min 8°C on Sun night). Winds increasing (calm on Sun night, strong winds from the SW by Tue night). | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | WNW 10 | W 9 | WSW 8 | SW 3 | WSW 4 | WSW 4 | SW 16 | WSW 15 | WSW 14 | |
466 | 538 | 534 | 610 | 407 | 224 | 216 | 163 | 116 | 112 | 82 | 52 | 51 | 31 | 30 | 18 | 16 | 13 | 11 | 17 | 27 | 580 | 308 | 443 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | cross-on | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-on | cross | cross-on | cross-on | cross-on | cross | cross-on | cross-on | |
High Tide | 6:13AM3.93m | 6:35PM4.10m | 7:02AM3.92m | 7:21PM4.08m | 7:53AM3.81m | 8:09PM3.98m | ||||||||||||||||||
Low Tide | 12:16PM0.11m | 00:44AM0.02m | 1:01PM0.20m | 1:32AM0.04m | 1:48PM0.38m | |||||||||||||||||||
 |  | |  | |  |  |  | |  | | | | |  | | | | | | | | | | |
 | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | 5:31 |
 | — | — | — | — | — | 9:37 | — | — | — | — | — | — | — | 9:37 | — | — | — | — | — | — | — | 9:39 | — | 9:42 |
— | 1 | 1 | 2 | 1 | 2 | 1 | — | — | — | — | — | — | 2 | 3 | 4 | 1 | — | 2 | 1 | 1 | 1 | 1 | 1 | |
Temp °C | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 9 | 12 | 12 | 10 | 10 | 10 | 11 | 12 | 11 | 12 | 12 | 11 | 12 | 12 |
1 | 3 | 1 | 2 | 3 | 5 | 5 | 6 | 8 | 5 | 5 | 7 | 7 | 6 | 5 | 6 | 9 | 8 | 6 | 6 | 5 | 5 | 6 | 5 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | WNW 10 | W 9 | WSW 8 | — | — | — | — | WSW 15 | — |
 kJ | — | — | — | — | — | 224 | 216 | 163 | 116 | 112 | 82 | 52 | 51 | 31 | 30 | 18 | 16 | 13 | — | — | — | — | 308 | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 6 | W 15 | WNW 9 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 4 | 8 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 15 | — | W 14 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | 4 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 13 | W 13 | W 13 | W 13 | W 12 | W 4 | — | — | — | — | — | — | — | — | SE 2 | SE 2 | SSW 7 | SSW 2 | SW 3 | WSW 4 | WSW 4 | SW 16 | SW 4 | WSW 14 |
| kJ | 466 | 538 | 534 | 610 | 407 | 6 | — | — | — | — | — | — | — | — | 1 | 1 | 10 | 1 | 11 | 17 | 27 | 580 | 7 | 443 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 248 | 248 | 248 | 246 | 193 | 238 | 130 | 6 | 0 | 0 | 0 | 74 | 74 | 74 | 115 | 238 | 74 | 70 | 74 | 225 | 220 | 167 | 74 | 270 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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