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Lackan Bay Surf Forecast
/ Mayo and Achill Island (14 surf breaks) /
Surf Forecasts:
Lackan Bay surfForecast / Mayo and Achill Island / Ireland
48hr Weather and Surf, issued 6 am Tuesday 12 May 2026 ISTForecast update in hr min s Forecast update imminent
Lackan Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Lackan Bay sea temperature is
11.9° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Lackan Bay today?
The current surf forecast for Lackan Bay at 10AM is: 2.5m 8s primary swell from a Northwest direction and 0.4m 9s secondary swell from a North direction, 0.2m 14s secondary swell from a West-northwest direction (forecast issued at 06:00am May 12). The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 8ft (2.5m) | 8s |
| Afternoon (12 May) | 10ft (3.0m) | 9s |
| Evening (12 May) | 13ft (4.0m) | 10s |
Table - waves today at Lackan Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 9mm), mostly falling on Wed night. Very mild (max 11°C on Tue afternoon, min 8°C on Tue night). Winds decreasing (strong winds from the WNW on Tue night, light winds from the N by Thu night). | ||||||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WNW 8 | NW 8 | NW 8 | NW 9 | WNW 10 | WNW 10 | WNW 10 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NNW 10 | WNW 10 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | |
616 | 708 | 964 | 1299 | 1744 | 2538 | 3847 | 6267 | 8066 | 8688 | 8434 | 7400 | 6469 | 4878 | 4081 | 3130 | 2450 | 1922 | 1659 | 725 | 1109 | 919 | 766 | 630 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 3:14PM2.53m | 3:17AM3.00m | 4:03PM2.80m | 4:06AM3.20m | 4:47PM3.07m | |||||||||||||||||||
Low Tide | 9:03AM0.77m | 9:03PM1.00m | 9:48AM0.50m | 9:55PM0.77m | 10:30AM0.26m | 10:42PM0.52m | ||||||||||||||||||
 |  |  | | | | |  | |  |  | | | |  | | |  | | | | | |  | |
 | 5:39 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | 5:33 |
 | — | — | — | — | — | 9:28 | — | — | — | — | — | — | — | 9:30 | — | — | — | — | — | — | — | 9:31 | — | 9:32 |
— | — | — | — | — | — | — | 1 | 1 | — | 1 | 1 | 1 | — | — | — | — | 2 | 1 | 1 | — | — | — | — | |
Temp °C | 10 | 9 | 10 | 10 | 11 | 10 | 9 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 9 | 8 | 9 | 9 | 10 | 10 | 10 | 9 |
4 | 2 | 2 | 2 | 3 | 2 | -1 | -2 | -1 | -1 | -1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 2 | 3 | 2 | 2 | 3 | 3 | |
Swell 1 Height (m) Direction Period (s) | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | W 18 | — | — | — | — | — | — | W 16 | W 16 | W 16 | W 16 | W 16 | WNW 10 | W 15 | W 15 | W 15 | W 9 |
 kJ | 57 | 24 | 24 | 15 | 15 | 15 | 6 | 6 | — | — | — | — | — | — | 5 | 5 | 5 | 5 | 5 | 703 | 4 | 4 | 4 | 26 |
Swell 2 Height (m) Direction Period (s) | W 20 | W 19 | WNW 14 | W 19 | W 18 | W 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | W 16 | — | — | — | W 15 |
| kJ | 7 | 7 | 19 | 7 | 6 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | — | — | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | W 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 8 | NW 8 | NW 8 | NW 9 | WNW 10 | WNW 10 | WNW 10 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NNW 10 | N 10 | NNW 9 | NNW 9 | NNW 8 | NNW 8 |
| kJ | 616 | 708 | 964 | 1299 | 1744 | 2538 | 3847 | 6267 | 8066 | 8688 | 8434 | 7400 | 6469 | 4878 | 4081 | 3130 | 2450 | 1922 | 1659 | 725 | 1109 | 919 | 766 | 630 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 270 | 272 | 555 | 632 | 510 | 508 | 510 | 510 | 532 | 574 | 612 | 612 | 1074 | 1065 | 576 | 612 | 585 | 585 | 296 | 296 | 762 | 510 | 386 | 377 |
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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