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Ballyhiernan Bay surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 6 am Wednesday 20 May 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
11.1° 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 2PM is: 1.6m 13s primary swell from a West direction (forecast issued at 06:00am May 20). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 5ft (1.6m) | 14s |
| Afternoon (20 May) | 5ft (1.6m) | 13s |
| Evening (20 May) | 4.5ft (1.4m) | 12s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Thu afternoon. Very mild (max 18°C on Thu morning, min 11°C on Wed morning). Winds decreasing (fresh winds from the SSE on Thu night, light winds from the WSW by Fri night). | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 15 | WNW 14 | WNW 14 | W 13 | W 13 | W 12 | WNW 12 | WNW 12 | W 11 | WNW 11 | W 11 | W 11 | W 9 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 11 | W 12 | W 12 | W 11 | W 11 | |
1137 | 1127 | 1122 | 905 | 878 | 683 | 569 | 497 | 265 | 198 | 188 | 223 | 137 | 156 | 121 | 102 | 175 | 191 | 188 | 191 | 172 | 214 | 189 | 185 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross | cross | cross | off | off | off | off | cross-off | cross-off | cross-off | off | off | off | off | off | off | cross-off | cross | cross | cross-off | off | |
High Tide | 9:24AM3.04m | 9:49PM3.29m | 10:20AM2.79m | 10:49PM3.11m | 11:24AM2.55m | 11:57PM2.95m | ||||||||||||||||||
Low Tide | 3:08AM0.18m | 3:22PM0.34m | 4:06AM0.38m | 4:16PM0.53m | 5:11AM0.59m | 5:19PM0.71m | ||||||||||||||||||
 |  | |  | |  | | | |  | | | | |  | | | | | | | |  | | |
 | 5:13 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — | 5:09 |
 | — | — | — | — | — | 9:40 | — | — | — | — | — | — | — | 9:43 | — | — | — | — | — | — | — | 9:44 | — | 9:45 |
— | — | — | — | — | — | — | — | — | 1 | — | — | — | 5 | — | — | — | — | — | — | 1 | 1 | — | — | |
Temp °C | 10 | 11 | 11 | 12 | 13 | 13 | 13 | 12 | 12 | 13 | 15 | 18 | 18 | 15 | 14 | 14 | 12 | 12 | 15 | 18 | 18 | 16 | 15 | 14 |
6 | 8 | 7 | 5 | 6 | 8 | 11 | 9 | 7 | 9 | 12 | 15 | 17 | 12 | 9 | 9 | 7 | 8 | 11 | 16 | 15 | 15 | 14 | 12 | |
Swell 1 Height (m) Direction Period (s) | WNW 15 | WNW 14 | WNW 14 | W 13 | W 13 | W 12 | WNW 12 | WNW 12 | W 11 | WNW 11 | W 11 | W 11 | W 9 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 11 | W 12 | W 12 | W 11 | W 11 |
 kJ | 1137 | 1127 | 1122 | 905 | 878 | 683 | 569 | 497 | 265 | 198 | 188 | 223 | 137 | 156 | 121 | 102 | 175 | 191 | 188 | 191 | 172 | 214 | 189 | 185 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NW 7 | NW 8 | NW 8 | NW 7 | WNW 11 | NW 7 | NW 7 | W 6 | NNW 7 | NW 6 | NNW 6 | NW 6 | NW 6 | NW 6 | N 6 | N 6 |
| kJ | — | — | — | — | — | — | — | — | 64 | 77 | 46 | 34 | 40 | 7 | 7 | 17 | 4 | 2 | 4 | 2 | 2 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NW 7 | NW 9 | NW 9 | NW 7 | N 8 | N 8 | — | — | N 8 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 17 | 3 | 3 | 7 | 1 | 1 | — | — | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | WSW 5 | — | — | — | — | — | — | — | — | — | — | — | — | S 2 | S 3 | — | SSE 2 | SSE 2 | — | SW 3 | — | — | — |
| kJ | — | 20 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — | 1 | 1 | — | 2 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 28 | 60 | 346 | 146 | 128 | 28 | 0 | 0 | 0 | 0 | 60 | 0 | 0 | 0 | 123 | 26 | 8 | 0 | 0 | 0 | 28 | 28 | 0 | 0 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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