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Ballyhiernan Bay surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 5 am Monday 01 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
11.1° C
(Which is slightly warmer than usual)How big are the waves at Ballyhiernan Bay today?
The current surf forecast for Ballyhiernan Bay at 10AM is: 1.8m 11s primary swell from a West-northwest direction and 0.3m 10s secondary swell from a North direction (forecast issued at 05:00am December 01). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Dec) | 6ft (1.8m) | 11s |
| Afternoon (01 Dec) | 8ft (2.4m) | 16s |
| Evening (01 Dec) | 10ft (3.0m) | 15s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 01 | Tuesday 02 | Wednesday 03 | Thu 04 | |||||||||||||||||||||
| 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) (?) | 10 | 11 | 11 | 11 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 580 | 669 | 705 | 704 | 2900 | 3460 | 3800 | 3526 | 3879 | 5334 | 6506 | 6110 | 5232 | 4455 | 3601 | 3288 | 3228 | 4070 | 5289 | 3813 | 2454 | 1756 | 1208 | 876 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | off | off | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- off | cross | cross- off | off | off | off | off |
High Tide / height (m) | 2:44PM 2.96 | 3:22AM 2.83 | 3:38PM 3.16 | 4:11AM 3.09 | 4:30PM 3.32 | |||||||||||||||||||
Low Tide / height (m) | 8:21AM 0.74 | 9:03PM 0.43 | 9:18AM 0.51 | 9:52PM 0.24 | 10:11AM 0.29 | 10:39PM 0.11 | ||||||||||||||||||
Monday 01 | Tuesday 02 | Wednesday 03 | Thu 04 | |||||||||||||||||||||
| Sunrise | - | - | 8:32 | - | - | - | - | - | - | - | 8:33 | - | - | - | - | - | - | - | 8:34 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:06 | - | - | - | - | - | - | - | 4:05 | - | - | - | - | - | - | - | 4:05 | - | - | - |
 | |  | |  | |  |  | | | |  | |  | | | | | |  | | | | | |
Rain (mm) | 3 | 1 | - | - | 1 | 3 | - | 1 | 1 | 1 | - | 9 | 1 | - | - | 2 | 2 | 1 | 1 | 1 | - | - | - | 1 |
| Temp. °C | 11 | 10 | 8 | 8 | 8 | 7 | 8 | 8 | 8 | 8 | 7 | 7 | 9 | 7 | 6 | 6 | 9 | 9 | 9 | 10 | 8 | 8 | 7 | 7 |
| Feels °C (?) | 5 | 6 | 4 | 4 | 6 | 2 | 1 | 0 | -1 | 0 | -3 | -4 | 2 | 0 | -3 | -1 | 1 | -2 | 2 | 3 | 3 | 3 | 0 | 0 |
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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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