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Ballyhiernan Bay surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 6 pm Thursday 14 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
11.3° C
(Which is slightly warmer than usual)How big are the waves at Ballyhiernan Bay today?
The current surf forecast for Ballyhiernan Bay at 3AM is: 1.8m 8s primary swell from a North-northwest direction and 0.1m 15s secondary swell from a West direction (forecast issued at 06:00pm May 14). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 4ft (1.2m) | 7s |
| Afternoon (15 May) | 2.5ft (0.8m) | 8s |
| Evening (15 May) | 2.5ft (0.7m) | 7s |
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 Sat morning. Very mild (max 10°C on Sat afternoon, min 7°C on Fri night). Winds decreasing (strong winds from the N on Thu afternoon, light winds from the WNW by Fri night). | ||||||||||||||||||||||||
Thu 14 | Friday 15 | Saturday 16 | Sun 17 | |||||||||||||||||||||
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 | |
Swell Height Map |  |    |    |    | ||||||||||||||||||||
NNW 9 | N 8 | N 8 | NNW 8 | NNW 8 | N 7 | N 7 | N 7 | WNW 8 | WNW 7 | WNW 7 | NW 7 | WNW 7 | WNW 8 | WNW 8 | WNW 14 | WNW 13 | NW 12 | WNW 7 | WNW 11 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | |
887 | 450 | 365 | 410 | 336 | 176 | 124 | 92 | 72 | 68 | 47 | 26 | 57 | 58 | 60 | 71 | 116 | 152 | 171 | 541 | 1561 | 1569 | 1622 | 1491 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | on | on | on | cross-on | cross-off | off | off | off | cross | cross | cross | cross | cross | cross-off | off | cross-off | cross-off | |
High Tide | 5:11PM2.96m | 5:26AM3.29m | 5:54PM3.20m | 6:11AM3.43m | 6:36PM3.37m | 6:56AM3.48m | ||||||||||||||||||
Low Tide | 11:08PM0.37m | 11:37AM0.12m | 11:53PM0.17m | 12:19PM0.01m | 00:39AM0.03m | |||||||||||||||||||
 | |  | | |  | | |  | | | | |  | | | | |  |  | | | | | |
 | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — |
 | — | 9:30 | — | — | — | — | — | — | — | 9:31 | — | — | — | — | — | — | — | 9:34 | — | — | — | — | — | 9:36 |
— | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 2 | — | — | — | 1 | — | 1 | 2 | 1 | |
Temp °C | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 8 | 7 | 7 | 8 | 9 | 10 | 10 | 10 | 9 | 8 | 7 | 8 | 9 |
0 | 0 | 0 | 1 | -1 | 1 | 2 | 3 | 4 | 5 | 6 | 5 | 3 | 2 | 4 | 3 | 3 | 3 | 3 | 2 | 3 | 1 | 3 | 3 | |
Swell 1 Height (m) Direction Period (s) | W 16 | NW 9 | WNW 9 | W 15 | W 15 | WNW 8 | WNW 8 | N 7 | N 7 | WNW 7 | WNW 7 | N 6 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | NW 12 | NW 12 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 |
 kJ | 5 | 237 | 211 | 4 | 4 | 117 | 114 | 92 | 57 | 68 | 47 | 20 | 57 | 58 | 60 | 60 | 38 | 152 | 142 | 347 | 1561 | 1569 | 1622 | 1491 |
Swell 2 Height (m) Direction Period (s) | — | W 15 | W 15 | — | — | W 15 | W 15 | WNW 8 | WNW 8 | N 7 | N 7 | NW 7 | N 6 | N 6 | NNW 6 | WNW 14 | WNW 13 | NW 15 | NW 15 | N 9 | N 9 | — | — | — |
| kJ | — | 5 | 4 | — | — | 4 | 4 | 76 | 72 | 43 | 32 | 26 | 11 | 11 | 7 | 71 | 116 | 34 | 171 | 2 | 2 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 15 | W 14 | WNW 9 | WNW 9 | W 7 | NW 16 | NW 15 | NW 15 | N 6 | N 6 | N 10 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 4 | 4 | 8 | 16 | 16 | 10 | 9 | 33 | 6 | 3 | 2 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 9 | N 8 | N 8 | NNW 8 | NNW 8 | N 7 | N 7 | — | — | — | — | — | — | — | — | — | W 5 | WNW 6 | WNW 7 | WNW 11 | — | — | — | — |
| kJ | 887 | 450 | 365 | 410 | 336 | 176 | 124 | — | — | — | — | — | — | — | — | — | 59 | 143 | 168 | 541 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1811 | 928 | 600 | 336 | 279 | 279 | 406 | 361 | 361 | 6 | 26 | 0 | 0 | 0 | 0 | 28 | 112 | 325 | 336 | 36 | 28 | 0 | 50 | 50 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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