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Ballyhiernan Bay surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 5 am Tuesday 02 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
10.9° 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 9AM is: 3.5m 16s primary swell from a West-northwest direction and 0.2m 12s secondary swell from a North direction (forecast issued at 05:00am December 02). The wind direction is predicted to be offshore and the swell rating is 11.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Dec) | 11ft (3.5m) | 16s |
| Afternoon (02 Dec) | 11ft (3.5m) | 15s |
| Evening (02 Dec) | 10ft (3.0m) | 14s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 02 | Wednesday 03 | Thursday 04 | Fri 05 | |||||||||||||||||||||
| 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) (?) | 15 | 15 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 15 | 14 | 15 | 15 | 16 | 17 | 17 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3532 | 5104 | 5884 | 5658 | 5163 | 4581 | 3821 | 2955 | 2955 | 3106 | 2913 | 2705 | 2026 | 1594 | 1064 | 887 | 797 | 3118 | 3731 | 4117 | 5302 | 6840 | 7282 | 6602 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | cross- off | cross- off | off | off | off | off | off | off | cross- off | off | off | off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | off | off |
High Tide / height (m) | 3:38PM 3.16 | 4:11AM 3.09 | 4:30PM 3.32 | 4:58AM 3.31 | 5:19PM 3.41 | |||||||||||||||||||
Low Tide / height (m) | 9:18AM 0.51 | 9:52PM 0.24 | 10:11AM 0.29 | 10:39PM 0.11 | 11:01AM 0.10 | 11:25PM 0.04 | ||||||||||||||||||
Tuesday 02 | Wednesday 03 | Thursday 04 | Fri 05 | |||||||||||||||||||||
| Sunrise | - | - | 8:33 | - | - | - | - | - | - | - | 8:34 | - | - | - | - | - | - | - | 8:37 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:05 | - | - | - | - | - | - | - | 4:05 | - | - | - | - | - | - | - | 4:04 | - | - | - |
 |  |  |  | | | |  | | | | | | |  | | | | | |  | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | - | - | 1 | 1 | - | - |
| Temp. °C | 8 | 8 | 7 | 8 | 9 | 7 | 6 | 6 | 6 | 6 | 6 | 9 | 8 | 8 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 5 | 5 |
| Feels °C (?) | 0 | 1 | 0 | 2 | 3 | 1 | -1 | -1 | -1 | 0 | 0 | 3 | 2 | 1 | -2 | -1 | -1 | 1 | 1 | 1 | 1 | 1 | 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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