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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 Sunday 31 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
13.7° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at Carrownisky today (31 May):
- Morning surf: Morning surf (31 May, local time) - 2.5ft (0.7m), 11s period with WSW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 2ft (0.6m), 11s period with WSW swell.
- Evening surf: Evening surf (31 May, local time) - 2ft (0.6m), 11s period with WSW swell.
The current surf forecast for Carrownisky at 8AM is: 0.7m 11s primary swell from a West-southwest direction and 0.1m 10s secondary swell from a North direction, 0.3m 3s secondary swell from a Southwest direction (forecast issued at 12:00am May 31). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 2.5ft (0.7m) | 11s |
| Afternoon (31 May) | 2ft (0.6m) | 11s |
| Evening (31 May) | 2ft (0.6m) | 11s |
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 Sun night. Very mild (max 14°C on Sun afternoon, min 12°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 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 |    |    |    | |||||||||||||||||||||
WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | W 10 | W 10 | SW 10 | W 10 | W 10 | WSW 9 | W 9 | WSW 9 | W 9 | W 9 | W 9 | W 10 | WSW 10 | |
193 | 133 | 135 | 135 | 150 | 100 | 97 | 69 | 66 | 65 | 64 | 52 | 50 | 98 | 48 | 47 | 50 | 43 | 28 | 43 | 61 | 113 | 122 | 102 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-off | cross | cross-on | cross-on | cross | cross-on | on | cross-on | on | on | on | on | cross-on | |
High Tide | 6:10AM3.37m | 6:22PM3.61m | 6:47AM3.36m | 6:57PM3.61m | 7:24AM3.31m | 7:33PM3.57m | ||||||||||||||||||
Low Tide | 11:57PM0.60m | 12:05PM0.71m | 00:32AM0.56m | 12:39PM0.74m | 1:08AM0.58m | 1:14PM0.80m | ||||||||||||||||||
 |  |  | |  | | |  | | | |  | | | | | | |  | | | | | | |
 | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:57 | — | — | — | — | — | — | — | 9:58 | — | — | — | — | — | — | — | — | 10:00 |
— | — | — | — | — | — | — | 2 | 1 | 1 | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 12 | 13 | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 12 | 12 |
7 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 13 | 11 | 9 | 9 | 11 | 11 | 10 | 10 | 9 | 8 | 8 | 7 | 8 | |
Swell 1 Height (m) Direction Period (s) | N 11 | WSW 11 | WSW 11 | WSW 11 | N 10 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | W 10 | W 10 | — | W 10 | W 10 | WSW 9 | W 9 | WSW 9 | W 9 | — | — | — | WSW 10 |
 kJ | 2 | 133 | 135 | 135 | 2 | 100 | 97 | 69 | 66 | 65 | 64 | 52 | 50 | — | 48 | 47 | 50 | 43 | 28 | 43 | — | — | — | 102 |
Swell 2 Height (m) Direction Period (s) | — | NW 11 | N 10 | N 10 | — | N 10 | N 10 | N 10 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | — | SW 14 | SW 14 | SW 14 | W 14 | — | — | — | — | — | W 15 |
| kJ | — | 4 | 2 | 2 | — | 2 | 2 | 2 | 7 | 8 | 8 | 8 | 8 | — | 8 | 8 | 8 | 4 | — | — | — | — | — | 17 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | N 10 | N 10 | N 10 | N 10 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 2 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 11 | SW 3 | SW 3 | SW 3 | WSW 12 | SW 3 | SSW 3 | SSW 3 | SSW 3 | SW 3 | — | SSW 2 | SSW 3 | SW 10 | SW 3 | SSW 3 | — | — | — | — | W 9 | W 9 | W 10 | — |
| kJ | 193 | 2 | 1 | 1 | 150 | 5 | 4 | 3 | 2 | 2 | — | 1 | 3 | 98 | 3 | 1 | — | — | — | — | 61 | 113 | 122 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 74 | 74 | 74 | 74 | 74 | 74 | 6 | 70 | 70 | 70 | 4 | 0 | 70 | 74 | 74 | 4 | 70 | 70 | 70 | 244 | 197 | 246 | 246 | 74 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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