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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:
Ballyhiernan Bay surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 5 am Wednesday 24 Dec 2025 ISTForecast update in hr min s Forecast update imminent
Ballyhiernan Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ballyhiernan Bay sea temperature is
9.3° C
(Which is slightly cooler than normal)How big are the waves at Ballyhiernan Bay today?
The current surf forecast for Ballyhiernan Bay at 11AM is: 1.6m 13s primary swell from a Northwest direction (forecast issued at 05:00am December 24). The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Dec) | 5.5ft (1.7m) | 13s |
| Afternoon (24 Dec) | 4.5ft (1.4m) | 12s |
| Evening (24 Dec) | 4.5ft (1.4m) | 12s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 24 | Thursday 25 | Friday 26 | Sat 27 | |||||||||||||||||||||
| 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) (?) | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1604 | 1236 | 996 | 816 | 607 | 597 | 607 | 540 | 522 | 472 | 472 | 436 | 378 | 341 | 260 | 252 | 233 | 196 | 203 | 152 | 150 | 147 | 145 | 135 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross- off |
High Tide / height (m) | 8:30AM 3.06 | 8:43PM 2.67 | 9:09AM 2.98 | 9:25PM 2.56 | 9:51AM 2.90 | 10:15PM 2.47 | ||||||||||||||||||
Low Tide / height (m) | 2:40PM 0.62 | 2:42AM 0.54 | 3:22PM 0.67 | 3:23AM 0.64 | 4:09PM 0.72 | |||||||||||||||||||
Wednesday 24 | Thursday 25 | Friday 26 | Sat 27 | |||||||||||||||||||||
| Sunrise | - | - | 8:56 | - | - | - | - | - | - | - | 8:56 | - | - | - | - | - | - | - | 8:56 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:02 | - | - | - | - | - | - | - | 4:04 | - | - | - | - | - | - | - | 4:05 | - | - | - |
 |  |  | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 7 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 3 | 3 | 4 | 5 | 5 | 5 | 6 | 5 |
| Feels °C (?) | 1 | -1 | 2 | -1 | 0 | 0 | 0 | -1 | -1 | -1 | -1 | -1 | -1 | 0 | -1 | 0 | -1 | -1 | 1 | 1 | 1 | 1 | 2 | 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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