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 Wednesday 31 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 10PM is: 0.7m 12s primary swell from a North direction and 0.6m 12s secondary swell from a West direction (forecast issued at 11:00am December 31). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Dec) | 3ft (0.9m) | 12s |
| Afternoon (31 Dec) | 2.5ft (0.8m) | 11s |
| Evening (31 Dec) | 2.5ft (0.7m) | 11s |
Table - waves today at Lackan Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 31 | Thursday 01 | Friday 02 | Saturday 03 | |||||||||||||||||||||
| 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) (?) | 12 | 11 | 11 | 11 | 11 | 6 | 7 | 10 | 11 | 11 | 11 | 13 | 13 | 12 | 12 | 12 | 12 | 10 | 9 | 9 | 11 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 213 | 209 | 163 | 163 | 127 | 138 | 469 | 1420 | 1981 | 1981 | 2077 | 3423 | 3447 | 2991 | 2864 | 2839 | 2947 | 1828 | 1693 | 1693 | 2152 | 2032 | 1916 | 1832 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | cross- off | cross- off | cross | cross | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 2:44PM 2.97 | 3:26AM 3.06 | 3:48PM 3.09 | 4:20AM 3.32 | 4:46PM 3.19 | 5:11AM 3.55 | ||||||||||||||||||
Low Tide / height (m) | 8:29AM 0.80 | 9:02PM 0.49 | 9:34AM 0.55 | 9:57PM 0.36 | 10:31AM 0.32 | 10:47PM 0.24 | ||||||||||||||||||
Wednesday 31 | Thursday 01 | Friday 02 | Saturday 03 | |||||||||||||||||||||
| Sunrise | 8:56 | - | - | - | - | - | - | - | 8:56 | - | - | - | - | - | - | - | 8:56 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:21 | - | - | - | - | - | - | - | 4:22 | - | - | - | - | - | - | - | 4:23 | - | - | - | - | - |
 | | |  | | | |  |  |  | |  | | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 3 | 3 | 4 | 5 | 6 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 |
| Feels °C (?) | -1 | -1 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | -1 | -2 | -5 | -4 | -5 | -4 | -4 | -4 | -4 | -5 |
- 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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