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Ballyhiernan Bay surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 pm Saturday 18 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 3PM is: 2.3m 10s primary swell from a West-northwest direction (forecast issued at 12:00pm April 18). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 7.5ft (2.3m) | 9s |
| Afternoon (18 Apr) | 7.5ft (2.3m) | 10s |
| Evening (18 Apr) | 5.5ft (1.7m) | 9s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 14 | 13 | 12 | 12 | 12 | 12 | 11 | 13 | 13 | 12 | 13 | 13 | 13 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 878 | 941 | 951 | 566 | 427 | 370 | 293 | 288 | 217 | 169 | 195 | 250 | 456 | 421 | 319 | 303 | 242 | 514 | 491 | 313 | 440 | 402 | 430 | 711 |
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 | on | on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 7:16AM 3.63 | 7:38PM 3.47 | 7:57AM 3.57 | 8:18PM 3.46 | 8:40AM 3.40 | 9:01PM 3.35 | ||||||||||||||||||
Low Tide / height (m) | 1:24PM -0.14 | 1:40AM -0.09 | 2:03PM -0.05 | 2:23AM -0.01 | 2:44PM 0.12 | 3:10AM 0.17 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:13 |
| Sunset | - | - | - | 8:39 | - | - | - | - | - | - | - | 8:42 | - | - | - | - | - | - | - | 8:44 | - | - | - | - |
 |  |  | |  |  |  | | | | | | | | | | | |  | | | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 9 | 9 | 8 | 9 | 8 | 8 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 8 | 11 | 12 | 11 | 8 | 7 | 7 | 6 |
| Feels °C (?) | 2 | 3 | 3 | 3 | 5 | 4 | 4 | 3 | 5 | 4 | 5 | 4 | 5 | 5 | 4 | 4 | 5 | 6 | 6 | 6 | 2 | 2 | 2 | -1 |
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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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