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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 pm Friday 15 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 slightly warmer than usual)How big are the waves at Lackan Bay today?
The current surf forecast for Lackan Bay at 5PM is: 0.9m 7s primary swell from a North direction and 0.7m 8s secondary swell from a Northwest direction (forecast issued at 12:00pm May 15). The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 5.5ft (1.7m) | 8s |
| Afternoon (15 May) | 3.5ft (1.0m) | 7s |
| Evening (15 May) | 2.5ft (0.8m) | 7s |
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 17mm), heaviest on Sun morning. Very mild (max 12°C on Sat morning, min 7°C on Sun night). Winds increasing (calm on Fri afternoon, fresh winds from the W by Sat afternoon). | ||||||||||||||||||||||||
Fri 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
N 7 | WNW 8 | N 7 | N 7 | N 7 | WNW 8 | W 8 | W 8 | W 8 | WNW 7 | WNW 12 | W 12 | W 11 | W 13 | WNW 13 | WNW 13 | W 13 | W 13 | W 12 | W 12 | W 12 | WNW 12 | WNW 11 | W 11 | |
156 | 120 | 86 | 68 | 51 | 94 | 115 | 118 | 118 | 236 | 323 | 1312 | 1223 | 3458 | 3713 | 3599 | 3104 | 2960 | 2361 | 2094 | 1882 | 1558 | 1208 | 1045 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | glassy | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | glassy | off | cross-off | |
High Tide | 5:29PM3.31m | 5:41AM3.50m | 6:12PM3.49m | 6:29AM3.53m | 6:56PM3.61m | |||||||||||||||||||
Low Tide | 11:11AM0.08m | 11:28PM0.29m | 11:53AM-0.02m | 00:14AM0.11m | 12:35PM-0.03m | 1:01AM0.03m | ||||||||||||||||||
 |  | | |  | | | |  | | |  |  | | | |  |  | | |  | | | | |
 | 5:33 | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:28 | — |
 | — | — | — | 9:32 | — | — | — | — | — | — | — | 9:35 | — | — | — | — | — | — | — | 9:37 | — | — | — | 9:38 |
— | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | 6 | 2 | 2 | 4 | 1 | — | — | — | |
Temp °C | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 12 | 11 | 10 | 8 | 8 | 8 | 8 | 8 | 9 | 8 | 8 | 9 | 8 | 7 | 7 |
5 | 6 | 6 | 8 | 7 | 6 | 8 | 8 | 4 | 5 | 4 | 3 | 2 | 2 | 2 | 3 | 5 | 4 | 4 | 5 | 6 | 6 | 5 | 4 | |
Swell 1 Height (m) Direction Period (s) | N 7 | N 7 | N 7 | N 7 | N 7 | WNW 8 | W 8 | W 8 | N 10 | WNW 13 | WNW 12 | WNW 15 | WNW 14 | NNE 10 | NNE 10 | WNW 13 | W 13 | W 13 | W 12 | W 12 | W 12 | WNW 12 | WNW 11 | W 11 |
 kJ | 156 | 108 | 86 | 68 | 51 | 94 | 115 | 118 | 54 | 236 | 323 | 172 | 704 | 33 | 18 | 3599 | 3104 | 2960 | 2361 | 2094 | 1882 | 1558 | 1208 | 1045 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 8 | NW 8 | NW 7 | W 7 | N 7 | N 7 | N 7 | WNW 14 | N 10 | N 10 | NNE 10 | NNE 10 | — | — | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 |
| kJ | 130 | 120 | 57 | 44 | 36 | 48 | 35 | 36 | 111 | 54 | 53 | 34 | 33 | — | — | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 |
Swell 3 Height (m) Direction Period (s) | W 9 | W 9 | W 7 | W 7 | NW 7 | W 16 | WNW 16 | WNW 15 | N 7 | — | N 10 | N 10 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 15 | 15 | 25 | 24 | 34 | 5 | 24 | 42 | 14 | — | 19 | 18 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 8 | WNW 7 | WNW 7 | W 12 | W 11 | W 13 | WNW 13 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 118 | 187 | 232 | 1312 | 1223 | 3458 | 3713 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 255 | 226 | 226 | 0 | 0 | 0 | 0 | 0 | 32 | 165 | 258 | 313 | 196 | 196 | 196 | 40 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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