Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Lackan Bay surfForecast / Mayo and Achill Island / Ireland
48hr Weather and Surf, issued 11 am Tuesday 30 Dec 2025 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
9.8° 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 3PM is: 0.7m 14s primary swell from a West direction and 0.5m 13s secondary swell from a North direction, 0.4m 3s secondary swell from a East-southeast direction (forecast issued at 11:00am December 30). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Dec) | 1.5ft (0.5m) | 16s |
| Afternoon (30 Dec) | 2.5ft (0.7m) | 14s |
| Evening (30 Dec) | 3ft (0.9m) | 13s |
Table - waves today at Lackan Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 30 | Wednesday 31 | Thursday 01 | Friday 02 | |||||||||||||||||||||
| 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 11 | 9 | 11 | 11 | 10 | 14 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 124 | 210 | 202 | 196 | 285 | 277 | 224 | 216 | 213 | 209 | 160 | 163 | 125 | 101 | 184 | 885 | 1661 | 1661 | 1510 | 4220 | 4336 | 3974 | 3476 | 3203 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | off | cross- off | off | off | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross |
High Tide / height (m) | 1:33PM 2.89 | 2:25AM 2.81 | 2:44PM 2.97 | 3:26AM 3.06 | 3:48PM 3.09 | 4:20AM 3.32 | ||||||||||||||||||
Low Tide / height (m) | 7:15AM 0.98 | 8:01PM 0.61 | 8:29AM 0.80 | 9:02PM 0.49 | 9:34AM 0.55 | 9:57PM 0.36 | ||||||||||||||||||
Tuesday 30 | Wednesday 31 | Thursday 01 | Friday 02 | |||||||||||||||||||||
| Sunrise | 8:56 | - | - | - | - | - | - | - | 8:56 | - | - | - | - | - | - | - | 8:56 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:20 | - | - | - | - | - | - | - | 4:21 | - | - | - | - | - | - | - | 4:22 | - | - | - | - | - |
 | | |  |  | | | |  | | | | | | |  |  | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | 1 |
| Temp. °C | 6 | 6 | 6 | 6 | 6 | 5 | 4 | 4 | 3 | 3 | 4 | 4 | 5 | 6 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Feels °C (?) | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | -1 | -1 | 0 | -1 | 0 | 0 | 2 | 1 | 2 | 0 | 0 | -1 | 0 | 1 | -1 | -1 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Lackan Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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