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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 Sunday 31 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
13.3° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Lackan Bay today (31 May):
- Morning surf: Morning surf (31 May, local time) - 5.5ft (1.7m), 12s period with WSW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 5ft (1.6m), 12s period with W swell.
- Evening surf: Evening surf (31 May, local time) - 4.5ft (1.4m), 11s period with WSW swell.
The current surf forecast for Lackan Bay at 1PM is: 1.7m 12s primary swell from a West-southwest direction and 0.4m 10s secondary swell from a North direction (forecast issued at 06:00am May 31). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 5.5ft (1.7m) | 12s |
| Afternoon (31 May) | 5ft (1.6m) | 12s |
| Evening (31 May) | 4.5ft (1.4m) | 11s |
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 5mm), mostly falling on Mon morning. Very mild (max 15°C on Sun morning, min 11°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WSW 12 | WSW 12 | WSW 12 | WSW 12 | W 12 | W 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | W 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | W 9 | W 9 | W 9 | W 9 | W 9 | WSW 10 | WSW 10 | WSW 10 | |
718 | 819 | 833 | 819 | 699 | 586 | 504 | 447 | 373 | 350 | 337 | 296 | 342 | 399 | 435 | 355 | 256 | 212 | 173 | 173 | 207 | 129 | 342 | 377 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | off | off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | off | cross-off | |
High Tide | 6:25AM2.95m | 6:45PM3.19m | 7:01AM2.91m | 7:20PM3.21m | 7:37AM2.85m | 7:57PM3.18m | ||||||||||||||||||
Low Tide | 12:22PM0.47m | 00:52AM0.52m | 12:56PM0.49m | 1:28AM0.54m | 1:30PM0.52m | |||||||||||||||||||
 |  | | |  | |  | | | |  | | | |  | | | | |  | | | | | |
 | 5:11 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | 5:07 |
 | — | — | — | — | — | 9:58 | — | — | — | — | — | — | — | 9:59 | — | — | — | — | — | — | — | — | 10:00 | 10:00 |
— | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | 1 | — | — | — | — | |
Temp °C | 12 | 12 | 14 | 15 | 15 | 15 | 13 | 13 | 13 | 13 | 14 | 15 | 14 | 14 | 12 | 11 | 11 | 12 | 14 | 14 | 14 | 13 | 13 | 12 |
8 | 9 | 10 | 11 | 12 | 12 | 10 | 10 | 11 | 12 | 12 | 13 | 12 | 10 | 9 | 9 | 9 | 10 | 11 | 10 | 9 | 8 | 9 | 8 | |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 12 | WSW 12 | W 12 | W 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | W 10 | WSW 10 | N 9 | N 9 | WSW 9 | W 9 | W 9 | W 9 | N 8 | N 8 | WSW 10 | W 15 | WSW 10 |
 kJ | 718 | 819 | 833 | 819 | 699 | 586 | 504 | 447 | 373 | 350 | 337 | 296 | 342 | 14 | 14 | 355 | 256 | 212 | 173 | 5 | 5 | 129 | 112 | 377 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | NNW 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 9 | — | — | N 9 | N 9 | N 8 | N 8 | W 18 | W 17 | W 16 | N 7 | W 14 |
| kJ | 34 | 33 | 31 | 32 | 33 | 51 | 50 | 49 | 48 | 47 | 30 | 29 | 27 | — | — | 14 | 13 | 12 | 5 | 6 | 6 | 20 | 4 | 264 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | W 15 | W 15 | — | — | W 15 | — | — | W 18 | — | — | N 8 | — | N 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | — | — | 4 | — | — | 6 | — | — | 5 | — | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SSE 2 | — | WSW 10 | WSW 10 | — | — | — | — | W 9 | W 9 | W 5 | WSW 10 | SSW 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 399 | 435 | — | — | — | — | 173 | 207 | 40 | 342 | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 173 | 283 | 291 | 258 | 0 | 2 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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