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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 pm Sunday 17 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 11PM is: 2.5m 12s primary swell from a West direction and 0.3m 9s secondary swell from a North-northeast direction (forecast issued at 06:00pm May 17). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | - | - |
| Afternoon (17 May) | 10ft (3.0m) | 12s |
| Evening (17 May) | 8ft (2.5m) | 12s |
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 13mm), heaviest on Tue morning. Very mild (max 14°C on Wed morning, min 6°C on Sun night). Winds increasing (calm on Sun night, fresh winds from the SE by Mon night). | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | 4 AM | 7 AM | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 12 | W 12 | W 12 | WNW 12 | W 11 | W 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WSW 9 | WSW 9 | W 9 | W 16 | W 16 | W 15 | W 14 | W 14 | W 13 | W 13 | |
2527 | 2246 | 1882 | 1558 | 1186 | 951 | 846 | 659 | 544 | 416 | 294 | 205 | 150 | 78 | 80 | 132 | 165 | 496 | 1078 | 2792 | 3753 | 2094 | 2504 | 1922 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | off | off | cross-off | off | off | off | off | off | off | off | |
High Tide | 6:56PM3.61m | 7:17AM3.46m | 7:41PM3.64m | 8:08AM3.30m | 8:30PM3.60m | 9:01AM3.06m | ||||||||||||||||||
Low Tide | 1:01AM0.03m | 1:18PM0.04m | 1:51AM0.05m | 2:03PM0.18m | 2:43AM0.17m | |||||||||||||||||||
 |  |  | |  |  | | | | |  | |  | | |  | | | | | | | | | |
 | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:24 | — | — | — |
 | — | 9:37 | — | — | — | — | — | — | — | 9:38 | — | — | — | — | — | — | — | 9:39 | — | — | — | — | — | 9:42 |
1 | 1 | — | — | — | — | — | — | — | 1 | 1 | 2 | — | — | 4 | — | 2 | 1 | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 7 | 7 | 6 | 6 | 9 | 12 | 12 | 9 | 10 | 10 | 11 | 11 | 11 | 13 | 11 | 12 | 10 | 11 | 11 | 11 | 12 | 14 |
5 | 6 | 3 | 5 | 3 | 3 | 5 | 7 | 7 | 3 | 3 | 4 | 8 | 8 | 7 | 8 | 8 | 8 | 6 | 6 | 6 | 5 | 6 | 8 | |
Swell 1 Height (m) Direction Period (s) | W 12 | W 12 | W 12 | WNW 12 | W 11 | W 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WSW 9 | WSW 9 | W 9 | WSW 9 | W 16 | N 8 | N 8 | W 14 | W 13 | W 13 |
 kJ | 2527 | 2246 | 1882 | 1558 | 1186 | 951 | 846 | 659 | 544 | 416 | 294 | 205 | 150 | 78 | 80 | 132 | 165 | 277 | 1078 | 5 | 5 | 2094 | 2504 | 1922 |
Swell 2 Height (m) Direction Period (s) | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | N 9 | N 9 | WSW 9 | WNW 9 | W 13 | W 16 | W 16 | N 8 | N 8 | — | N 8 | N 8 | N 8 |
| kJ | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 13 | 43 | 33 | 55 | 83 | 496 | 6 | 5 | — | 5 | 5 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 16 | W 16 | W 15 | W 15 | N 8 | W 13 | NW 9 | W 13 | N 8 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 5 | 5 | 4 | 17 | 13 | 32 | 21 | 55 | 6 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SSE 3 | SE 4 | SE 4 | SSE 4 | SE 4 | S 3 | SSE 3 | S 3 | — | WSW 10 | W 15 | W 14 | W 8 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 6 | 24 | 39 | 21 | 6 | 6 | 3 | 5 | — | 341 | 2792 | 3753 | 454 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 173 | 189 | 57 | 0 | 0 | 0 | 11 | 11 | 11 | 40 | 67 | 165 | 9 | 2 | 0 | 0 | 2 | 0 | 0 | 173 | 196 | 196 | 232 | 232 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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