
Surf Forecasts:
Lackan Bay surf forecast from 18 Jul 2026:
- Best quality surf: Saturday 25 Jul, 10AM (local time) - 8ft (2.4m), 9s period, NW swell with cross-offshore winds.
- Most powerful swell: Saturday 25 Jul, 7AM (local time) - 8ft (2.5m), 9s period, WNW swell with 1,129 kJ wave energy.
- Next surfable swell (1★+): Friday 24 Jul, 4AM (local time) - 4.5ft (1.3m), 6s period with WNW swell.
Best Forecast Surf Conditions for Lackan Bay this week:
The surf forecast for Lackan Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 24) at 4AM. The primary swell is predicted to be 1.3m and 6s period with a secondary swell of 0.4m and 11s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Lackan Bay in the next 16 days are 2.5m 9s and forecast to arrive on Saturday (Jul 25) at 7AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 6s period and expected on Friday (Jul 24) at 1AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Fri 24th Jul) | 4.5ft (1.3m) 6s |
| Best Surf | 10AM (Sat 25th Jul) | 8ft (2.4m) 9s |
| Most Powerful | 7AM (Sat 25th Jul) | 8ft (2.5m) 9s |
Table - best surf conditions forecast for Lackan Bay over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 14°C on Sun night, min 12°C on Sat afternoon). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 15°C on Thu afternoon, min 12°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map | |||||||||||||||||||||
Wave Height (m) Direction Period (s) | N 6 | N 6 | NNW 7 | NNW 7 | NNW 7 | W 11 | W 11 | W 10 | N 7 | W 10 | W 9 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NW 6 | NW 12 | WNW 9 | WNW 8 | WNW 9 |
Wave Graph | |||||||||||||||||||||
80 | 77 | 163 | 102 | 57 | 61 | 82 | 78 | 94 | 53 | 42 | 48 | 48 | 59 | 66 | 49 | 35 | 6 | 573 | 703 | 1014 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross-on | cross-on | cross-off | cross-off | cross-off | cross |
High Tide | 9:39PM3.65m | 10:07AM2.88m | 10:24PM3.39m | 10:54AM2.73m | 11:10PM3.07m | 11:44AM2.59m | 00:01AM2.76m | 12:41PM2.49m | 1:02AM2.51m | 1:49PM2.44m | 2:15AM2.38m | 3:03PM2.48m | 3:30AM2.37m | ||||||||
Low Tide | 3:07PM0.29m | 3:57AM0.29m | 3:52PM0.48m | 4:42AM0.50m | 4:40PM0.72m | 5:28AM0.73m | 5:34PM0.95m | 6:21AM0.94m | 6:41PM1.14m | 7:23AM1.08m | 8:03PM1.23m | 8:34AM1.13m | 9:22PM1.18m | ||||||||
5:24 | — | — | 5:26 | — | — | 5:28 | — | — | 5:30 | — | — | 5:31 | — | — | 5:33 | — | — | 5:33 | — | — | |
— | — | 9:59 | — | — | 9:58 | — | — | 9:55 | — | — | 9:54 | — | — | 9:53 | — | — | 9:52 | — | — | 9:50 | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 12 | 13 | 13 | 14 | 13 | 12 | 12 | 13 | 13 | 12 | 14 | 13 | 13 | 13 | 15 | 15 | 17 | 17 | 13 |
Feels °C | 9 | 9 | 8 | 10 | 10 | 13 | 10 | 8 | 9 | 10 | 10 | 10 | 11 | 9 | 12 | 11 | 13 | 14 | 12 | 11 | 9 |
Swell 1 Height (m) Direction Period (s) | NW 8 | NW 7 | WNW 9 | W 9 | NNW 7 | W 11 | W 11 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | NW 12 | — | — | — |
28 | 25 | 8 | 13 | 57 | 61 | 82 | 78 | 69 | 47 | 42 | 27 | 26 | 25 | 23 | 21 | 12 | 6 | — | — | — | |
Swell 2 Height (m) Direction Period (s) | W 8 | W 7 | W 8 | WNW 12 | WNW 12 | W 19 | — | NNW 8 | W 18 | — | — | N 9 | N 8 | — | W 9 | — | W 8 | — | — | — | — |
10 | 4 | 4 | 29 | 47 | 7 | — | 7 | 6 | — | — | 1 | 1 | — | 24 | — | 12 | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | W 10 | W 13 | — | W 8 | — | — | W 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | 2 | 4 | — | 13 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | N 6 | N 6 | NNW 7 | NNW 7 | NE 5 | NNW 6 | NNW 6 | NNW 6 | N 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NW 6 | WNW 6 | WNW 9 | WNW 8 | WNW 9 |
80 | 77 | 163 | 102 | 7 | 41 | 37 | 50 | 94 | 53 | 39 | 48 | 48 | 59 | 66 | 49 | 35 | 65 | 573 | 703 | 1014 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 255 | 452 | 87 | 57 | 149 | 57 | 200 | 150 | 65 | 255 | 525 | 200 | 200 | 452 | 200 | 200 | 459 | 9 | 255 | 1201 | 232 |
Best forecast wave conditions in Mayo and Achill Island | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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Information about the Lackan Bay Surf forecast
The above surf forecast table for Lackan Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Lackan Bay can be found by selecting the local surf guide option on the grey menu. Our Lackan Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Lackan Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Lackan Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in Mayo and Achill Island? If you are looking for accommodation near Lackan Bay, camping, hotels and holiday cottages in Mayo and Achill Island, consider staying in Ballina which is 18 km (11 miles) away. Other places in and around Mayo and Achill Island where you can find information about places to rent, and car hire include Belmullet which is 50 km (31 miles) away, Sligo, Westport and Claremorris.










