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:
Bunatrahir Bay surfForecast / Mayo and Achill Island / Ireland
48hr Weather and Surf, issued 5 am Friday 02 Jan 2026 ISTForecast update in hr min s Forecast update imminent
Bunatrahir Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Bunatrahir Bay sea temperature is
9.9° C
(Which is normal for this time of year)How big are the waves at Bunatrahir Bay today?
The current surf forecast for Bunatrahir Bay at 8AM is: 4.0m 12s primary swell from a North direction and 0.3m 12s secondary swell from a West-southwest direction (forecast issued at 05:00am January 02). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Jan) | 13ft (4.0m) | 12s |
| Afternoon (02 Jan) | 13ft (4.0m) | 12s |
| Evening (02 Jan) | 13ft (4.0m) | 12s |
Table - waves today at Bunatrahir Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 02 | Saturday 03 | Sunday 04 | Mon 05 | |||||||||||||||||||||
| 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 | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3078 | 4103 | 4454 | 4164 | 3953 | 4177 | 3900 | 3573 | 2985 | 2864 | 2759 | 2653 | 2500 | 2241 | 1962 | 1829 | 1670 | 1432 | 1295 | 1295 | 1423 | 1565 | 1233 | 1107 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on |
High Tide / height (m) | 4:45PM 3.14 | 5:10AM 3.51 | 5:37PM 3.19 | 5:58AM 3.68 | 6:25PM 3.18 | |||||||||||||||||||
Low Tide / height (m) | 10:31AM 0.32 | 10:46PM 0.25 | 11:23AM 0.14 | 11:32PM 0.17 | 12:13PM 0.04 | |||||||||||||||||||
Friday 02 | Saturday 03 | Sunday 04 | Mon 05 | |||||||||||||||||||||
| Sunrise | - | - | 8:56 | - | - | - | - | - | - | - | 8:56 | - | - | - | - | - | - | - | 8:56 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:23 | - | - | - | - | - | - | - | 4:25 | - | - | - | - | - | - | - | 4:27 | - | - | - |
 | |  | | | | | | |  | | |  | |  | | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Temp. °C | 7 | 6 | 5 | 5 | 5 | 5 | 4 | 5 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 5 | 5 | 5 |
| Feels °C (?) | -1 | -3 | -4 | -4 | -4 | -4 | -5 | -5 | -5 | -5 | -4 | -3 | -3 | -2 | -2 | -2 | -1 | 0 | 0 | -1 | 0 | -1 | -2 | 0 |
- 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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