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Ballyhiernan Bay surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 am Sunday 19 Apr 2026 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
8.8° C
(Which is slightly cooler than normal)How big are the waves at Ballyhiernan Bay today?
The current surf forecast for Ballyhiernan Bay at 3AM is: 1.4m 9s primary swell from a North-northwest direction and 1.0m 9s secondary swell from a West direction (forecast issued at 12:00am April 19). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Apr) | 4.5ft (1.3m) | 8s |
| Afternoon (19 Apr) | 3.5ft (1.1m) | 8s |
| Evening (19 Apr) | 4ft (1.2m) | 13s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 19 | Monday 20 | Tuesday 21 | ||||||||||||||||||||||
| 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 8 | 8 | 8 | 14 | 13 | 12 | 12 | 12 | 12 | 11 | 14 | 13 | 13 | 13 | 12 | 12 | 16 | 15 | 14 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 397 | 362 | 293 | 288 | 235 | 169 | 195 | 465 | 456 | 421 | 319 | 309 | 242 | 243 | 491 | 361 | 396 | 292 | 314 | 291 | 584 | 589 | 424 | 342 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross- off | cross- off | cross | cross- on | on | cross- on | cross- off | cross- off | cross- off | cross | cross | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 7:38PM 3.47 | 7:57AM 3.57 | 8:18PM 3.46 | 8:40AM 3.40 | 9:01PM 3.35 | 9:27AM 3.13 | ||||||||||||||||||
Low Tide / height (m) | 1:40AM -0.09 | 2:03PM -0.05 | 2:23AM -0.01 | 2:44PM 0.12 | 3:10AM 0.17 | 3:29PM 0.37 | ||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:13 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:42 | - | - | - | - | - | - | - | 8:44 | - | - | - | - | - | - | - | 8:45 |
 | |  |  |  | | | | | | | | | |  | | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 8 | 8 | 9 | 10 | 9 | 7 | 7 | 6 | 7 | 9 | 11 | 12 |
| Feels °C (?) | 4 | 5 | 4 | 5 | 5 | 5 | 4 | 4 | 5 | 5 | 4 | 4 | 5 | 3 | 3 | 6 | 4 | 1 | 2 | 1 | 1 | 2 | 3 | 5 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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