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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 12 am Tuesday 19 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
11.8° C
(Which is normal for this time of year)How big are the waves at Lackan Bay today?
The current surf forecast for Lackan Bay at 8AM is: 0.6m 9s primary swell from a West-southwest direction and 0.5m 9s secondary swell from a West-northwest direction (forecast issued at 12:00am May 19). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 2.5ft (0.7m) | 9s |
| Afternoon (19 May) | 3.5ft (1.0m) | 9s |
| Evening (19 May) | 5ft (1.5m) | 16s |
Table - waves today at Lackan Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 15mm), heaviest on Mon night. Very mild (max 15°C on Wed afternoon, min 10°C on Mon night). Winds decreasing (fresh winds from the SE on Mon night, light winds from the WSW by Wed morning). | ||||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
WNW 10 | WNW 9 | WSW 9 | WSW 9 | W 9 | W 9 | W 16 | W 16 | W 15 | W 14 | W 14 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | |
205 | 147 | 69 | 103 | 162 | 203 | 496 | 1078 | 2508 | 2157 | 2659 | 1999 | 1617 | 1198 | 925 | 800 | 594 | 403 | 531 | 458 | 469 | 356 | 294 | 255 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 8:08AM3.30m | 8:30PM3.60m | 9:01AM3.06m | 9:23PM3.49m | 9:58AM2.80m | |||||||||||||||||||
Low Tide | 1:51AM0.05m | 2:03PM0.18m | 2:43AM0.17m | 2:50PM0.38m | 3:42AM0.36m | 3:42PM0.59m | ||||||||||||||||||
 |  |  | |  | | |  |  | | |  |  | | | | | | | | | | |  | |
 | — | 5:26 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:39 | — | — | — | — | — | — | — | 9:42 | — | — | — | — | — | — | — | 9:43 | — |
1 | — | 2 | 1 | 1 | 1 | 1 | — | — | — | 1 | — | — | — | — | — | 1 | 1 | 1 | — | — | 1 | 2 | 1 | |
Temp °C | 11 | 12 | 11 | 12 | 13 | 12 | 13 | 11 | 11 | 11 | 11 | 12 | 13 | 15 | 14 | 13 | 12 | 14 | 14 | 14 | 15 | 15 | 14 | 13 |
7 | 9 | 6 | 8 | 9 | 8 | 10 | 6 | 6 | 5 | 8 | 9 | 10 | 10 | 11 | 10 | 7 | 11 | 10 | 11 | 12 | 13 | 12 | 8 | |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 9 | WSW 9 | WSW 9 | W 9 | W 9 | W 10 | W 16 | W 15 | W 14 | W 14 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 |
 kJ | 205 | 147 | 61 | 103 | 162 | 203 | 231 | 1078 | 2508 | 2157 | 2659 | 1999 | 1617 | 1198 | 925 | 800 | 594 | 403 | 531 | 458 | 469 | 356 | 294 | 255 |
Swell 2 Height (m) Direction Period (s) | N 9 | N 9 | WNW 9 | WNW 9 | W 13 | W 16 | W 16 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | NW 6 | NW 6 | NW 6 | NW 6 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 |
| kJ | 6 | 6 | 69 | 33 | 55 | 82 | 496 | 6 | 5 | 5 | 5 | 5 | 1 | 1 | 22 | 23 | 24 | 24 | 68 | 55 | 53 | 29 | 28 | 14 |
Swell 3 Height (m) Direction Period (s) | W 15 | W 15 | N 8 | W 13 | NW 9 | W 13 | N 8 | — | — | — | — | — | — | — | — | — | NW 11 | NNW 10 | N 8 | — | — | — | W 16 | W 15 |
| kJ | 4 | 17 | 6 | 32 | 21 | 55 | 6 | — | — | — | — | — | — | — | — | — | 4 | 10 | 1 | — | — | — | 5 | 4 |
Wind waves Height (m) Direction Period (s) | SE 4 | SE 4 | SE 4 | SSE 4 | SSE 3 | S 3 | — | WSW 10 | WSW 5 | WSW 6 | — | — | — | — | — | — | SSE 3 | S 3 | SE 3 | SSE 3 | — | S 3 | SSE 3 | SSE 3 |
| kJ | 38 | 12 | 10 | 10 | 2 | 1 | — | 378 | 51 | 107 | — | — | — | — | — | — | 3 | 5 | 3 | 4 | — | 1 | 3 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 40 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 173 | 196 | 9 | 0 | 0 | 0 | 0 | 9 | 11 | 2 | 2 | 2 | 2 | 2 | 2 | 9 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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