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Ballyhiernan Bay surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 pm Sunday 17 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 8PM is: 1.9m 12s primary swell from a West-northwest direction (forecast issued at 12:00pm May 17). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 8ft (2.4m) | 13s |
| Afternoon (17 May) | 7ft (2.1m) | 13s |
| Evening (17 May) | 6ft (1.9m) | 12s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 20mm), heaviest during Mon night. Very mild (max 13°C on Mon afternoon, min 7°C on Sun night). Winds increasing (calm on Sun night, strong winds from the SE by Mon night). | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | NW 9 | WNW 16 | WNW 16 | WNW 16 | W 14 | W 14 | |
1759 | 1545 | 1376 | 1030 | 889 | 819 | 698 | 540 | 469 | 404 | 304 | 245 | 186 | 151 | 107 | 78 | 48 | 46 | 21 | 52 | 198 | 424 | 1229 | 1463 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | on | cross-on | on | glassy | cross-off | cross-off | off | cross | cross-off | cross-off | off | cross-off | off | off | off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | |
High Tide | 7:20PM3.48m | 7:43AM3.42m | 8:06PM3.49m | 8:32AM3.27m | 8:55PM3.42m | |||||||||||||||||||
Low Tide | 1:02PM-0.01m | 1:26AM-0.02m | 1:46PM0.05m | 2:15AM0.03m | 2:33PM0.17m | 3:08AM0.18m | ||||||||||||||||||
 |  | | |  | | |  |  | | | |  |  | | | | | | | | | | | |
 | 5:18 | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:13 | — |
 | — | — | — | 9:36 | — | — | — | — | — | — | — | 9:37 | — | — | — | — | — | — | — | 9:38 | — | — | — | 9:40 |
1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | 2 | 4 | — | — | 3 | 2 | 2 | 2 | 1 | — | — | |
Temp °C | 9 | 9 | 9 | 10 | 9 | 9 | 8 | 7 | 9 | 11 | 12 | 13 | 11 | 9 | 10 | 11 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 |
3 | 5 | 6 | 7 | 6 | 7 | 5 | 4 | 6 | 8 | 7 | 8 | 4 | 1 | 2 | 5 | 8 | 9 | 9 | 9 | 8 | 6 | 5 | 6 | |
Swell 1 Height (m) Direction Period (s) | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | NW 9 | W 9 | W 9 | WNW 16 | W 14 | W 14 |
 kJ | 1759 | 1545 | 1376 | 1030 | 889 | 819 | 698 | 540 | 469 | 404 | 304 | 245 | 186 | 151 | 107 | 78 | 48 | 46 | 21 | 40 | 102 | 424 | 1229 | 1463 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | N 9 | NE 9 | N 9 | N 9 | E 5 | ENE 6 | ENE 7 | WNW 13 | W 9 | WNW 16 | WNW 16 | W 9 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 2 | 1 | 2 | 4 | 4 | 18 | 13 | 52 | 198 | 129 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 16 | N 6 | W 15 | NW 15 | NW 14 | NE 4 | WNW 13 | WNW 13 | N 8 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 1 | 4 | 8 | 8 | 1 | 17 | 17 | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SE 2 | SE 3 | SSE 3 | SSE 3 | SSE 3 | — | SW 6 | WSW 5 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 6 | 7 | 2 | — | 8 | 15 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 358 | 26 | 21 | 50 | 21 | 0 | 0 | 0 | 0 | 7 | 7 | 7 | 21 | 91 | 72 | 21 | 0 | 146 | 0 | 0 | 0 | 36 | 146 | 28 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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