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Surf Forecasts:
Ballyhiernan Bay surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 6 pm Monday 06 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
8.4° C
(Which is slightly cooler than normal)How big are the waves at Ballyhiernan Bay today?
The current surf forecast for Ballyhiernan Bay at 12AM is: 2.3m 18s primary swell from a West-northwest direction and 0.3m 8s secondary swell from a North-northwest direction (forecast issued at 06:00pm April 06). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Apr) | 10ft (3.0m) | 16s |
| Afternoon (07 Apr) | 8ft (2.4m) | 15s |
| Evening (07 Apr) | 7.5ft (2.3m) | 15s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 06 | Tuesday 07 | Wednesday 08 | Thursday 09 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 19 | 18 | 18 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 414 | 341 | 1301 | 4531 | 5895 | 5123 | 3685 | 3079 | 2705 | 2178 | 2148 | 1987 | 1933 | 1638 | 1216 | 998 | 715 | 644 | 689 | 771 | 1008 | 969 | 1456 | 3732 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | off | off | off | off | off | cross | cross | cross- on | cross- on | cross | cross | cross- off | cross- off | off | cross- off | cross- off | cross | cross | cross- on |
High Tide / height (m) | 9:25PM 2.91 | 9:41AM 2.68 | 9:59PM 2.70 | 10:16AM 2.43 | 10:43PM 2.47 | 11:04AM 2.19 | ||||||||||||||||||
Low Tide / height (m) | 3:12PM 0.59 | 3:33AM 0.70 | 3:43PM 0.81 | 4:11AM 0.95 | 4:20PM 1.04 | 5:00AM 1.20 | ||||||||||||||||||
Monday 06 | Tuesday 07 | Wednesday 08 | Thursday 09 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:43 | - | - |
| Sunset | - | 8:15 | - | - | - | - | - | - | - | 8:17 | - | - | - | - | - | - | - | 8:20 | - | - | - | - | - | - |
 | |  | | |  | | |  | |  |  | | | | |  | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | 1 | 1 | - | - | - | - | - | - | - | - | 1 | 3 | 1 | 1 | 1 |
| Temp. °C | 13 | 11 | 10 | 9 | 9 | 9 | 11 | 14 | 16 | 14 | 11 | 11 | 9 | 8 | 8 | 10 | 11 | 12 | 10 | 8 | 7 | 7 | 7 | 7 |
| Feels °C (?) | 6 | 4 | 3 | 2 | 4 | 2 | 4 | 8 | 11 | 12 | 8 | 9 | 6 | 6 | 6 | 6 | 7 | 8 | 5 | 4 | 1 | -2 | -3 | -4 |
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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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