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Ballyhiernan Bay surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 11 pm Thursday 27 Nov 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
11.3° C
(Which is slightly warmer than usual)How big are the waves at Ballyhiernan Bay today?
The current surf forecast for Ballyhiernan Bay at 4AM is: 6.5m 18s primary swell from a West-northwest direction (forecast issued at 11:00pm November 27). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Nov) | 20ft (6.0m) | 16s |
| Afternoon (28 Nov) | 16ft (5.0m) | 15s |
| Evening (28 Nov) | 11ft (3.5m) | 14s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 28 | Saturday 29 | Sunday 30 | ||||||||||||||||||||||
| 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 | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 18 | 18 | 17 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 12121 | 27766 | 28092 | 24794 | 18399 | 16027 | 11389 | 7089 | 4668 | 2801 | 2470 | 1946 | 1493 | 1211 | 953 | 693 | 512 | 422 | 297 | 245 | 240 | 240 | 218 | 167 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | on | on | on | on | cross- on | cross- on | on | cross- on | cross- on | on | on | glass | off | off | off | off |
High Tide / height (m) | 10:51PM 2.23 | 11:28AM 2.56 | 12:09AM 2.23 | 12:38PM 2.63 | 1:24AM 2.35 | 1:44PM 2.77 | ||||||||||||||||||
Low Tide / height (m) | 4:49AM 1.01 | 5:58PM 1.00 | 6:04AM 1.02 | 7:09PM 0.85 | 7:17AM 0.92 | |||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:26 | - | - | - | - | - | - | - | 8:29 | - | - | - | - | - | - | - | 8:30 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:08 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - |
 | | | |  |  | |  | |  | | | | | |  | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | 1 | 1 | 4 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 9 | 8 | 8 | 8 | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 4 | 4 | 5 | 5 |
| Feels °C (?) | -4 | -5 | -7 | -6 | -6 | -4 | -2 | 1 | 2 | 2 | 2 | 1 | 0 | 1 | 2 | 2 | 0 | 1 | 2 | 5 | -1 | -2 | -3 | -5 |
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Surf Rating (10 Max)
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