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Ballyhiernan Bay surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 5 pm Thursday 04 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
10.7° C
(Which is normal for this time of year)How big are the waves at Ballyhiernan Bay today?
The current surf forecast for Ballyhiernan Bay at 1AM is: 3.5m 17s primary swell from a West-northwest direction (forecast issued at 05:00pm December 04). The wind direction is predicted to be offshore and the swell rating is 11.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Dec) | 10ft (3.0m) | 16s |
| Afternoon (05 Dec) | 6.5ft (2.0m) | 15s |
| Evening (05 Dec) | 5ft (1.5m) | 14s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 04 | Friday 05 | Saturday 06 | Sunday 07 | |||||||||||||||||||||
| 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 | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 16 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | 13 | 17 | 19 | 17 | 17 | 16 | 15 | 15 | 14 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4904 | 5991 | 7315 | 7230 | 6069 | 4883 | 4019 | 2530 | 1626 | 1126 | 895 | 649 | 587 | 772 | 4572 | 5135 | 4902 | 4117 | 3204 | 2612 | 2027 | 1496 | 1229 | 958 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off |
High Tide / height (m) | 5:19PM 3.41 | 5:44AM 3.47 | 6:08PM 3.41 | 6:31AM 3.56 | 6:57PM 3.31 | 7:19AM 3.55 | ||||||||||||||||||
Low Tide / height (m) | 11:25PM 0.04 | 11:51AM -0.01 | 12:10AM 0.04 | 12:40PM -0.02 | 12:56AM 0.09 | |||||||||||||||||||
Thursday 04 | Friday 05 | Saturday 06 | Sunday 07 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:37 | - | - | - | - | - | - | - | 8:38 | - | - | - | - | - | - | - | 8:41 | - |
| Sunset | 4:04 | - | - | - | - | - | - | - | 4:02 | - | - | - | - | - | - | - | 4:02 | - | - | - | - | - | - | - |
 |  | | |  |  |  |  | |  | | | | | | |  | |  | | | | |  | |
Rain (mm) | - | - | - | - | 2 | - | - | 1 | 5 | 3 | 2 | - | 1 | 2 | 1 | 1 | - | - | - | - | - | - | - | 9 |
| Temp. °C | 7 | 6 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 8 |
| Feels °C (?) | 3 | 1 | -2 | -1 | 1 | 0 | -2 | -5 | -6 | 2 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 6 | 5 | 5 | 3 | 2 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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