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Ballyhiernan Bay surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 6 pm Friday 29 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
12.2° C
(Which is slightly warmer than usual)How big are the waves at Ballyhiernan Bay today (30 May):
- Morning surf: Morning surf (30 May, local time) - 2.5ft (0.7m), 8s period with W swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 3ft (0.9m), 10s period with W swell.
- Evening surf: Evening surf (30 May, local time) - 3.5ft (1.1m), 12s period with W swell.
The current surf forecast for Ballyhiernan Bay at 3AM is: 0.9m 8s primary swell from a West-northwest direction and 0.4m 10s secondary swell from a West direction (forecast issued at 06:00pm May 29). The wind direction is predicted to be offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 2.5ft (0.7m) | 8s |
| Afternoon (30 May) | 3ft (0.9m) | 10s |
| Evening (30 May) | 3.5ft (1.1m) | 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 4mm), mostly falling on Sat morning. Very mild (max 15°C on Sat afternoon, min 12°C on Fri night). Winds decreasing (fresh winds from the WSW on Fri afternoon, calm by Mon morning). | ||||||||||||||||||||||||
Fri 29 | Saturday 30 | Sunday 31 | Mon 1 | |||||||||||||||||||||
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 |  |    |    |    | ||||||||||||||||||||
W 8 | W 7 | W 8 | WNW 8 | WNW 8 | W 9 | W 8 | W 10 | W 10 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | |
291 | 135 | 177 | 130 | 99 | 56 | 58 | 116 | 190 | 396 | 327 | 266 | 325 | 393 | 469 | 488 | 464 | 389 | 316 | 253 | 248 | 195 | 149 | 114 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | off | off | off | off | glassy | |
High Tide | 6:03PM2.96m | 6:17AM2.93m | 6:37PM3.04m | 6:52AM2.94m | 7:11PM3.08m | 7:27AM2.92m | ||||||||||||||||||
Low Tide | 00:04AM0.55m | 12:18PM0.49m | 00:41AM0.51m | 12:52PM0.48m | 1:17AM0.50m | |||||||||||||||||||
 | |  |  |  |  |  | |  | |  | | | |  | | | | | | | | | | |
 | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — |
 | — | 9:54 | — | — | — | — | — | — | — | 9:55 | — | — | — | — | — | — | — | 9:58 | — | — | — | — | — | 9:59 |
— | — | — | — | — | — | 1 | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 14 | 14 | 13 | 12 | 12 | 12 | 13 | 15 | 15 | 12 | 12 | 12 | 13 | 13 | 14 | 13 | 12 | 12 | 12 | 12 | 13 | 15 |
6 | 9 | 12 | 11 | 9 | 8 | 7 | 7 | 9 | 13 | 13 | 9 | 8 | 8 | 8 | 8 | 10 | 9 | 10 | 10 | 10 | 9 | 10 | 15 | |
Swell 1 Height (m) Direction Period (s) | W 18 | WNW 8 | W 8 | WNW 8 | WNW 8 | NW 7 | W 8 | W 10 | W 10 | W 12 | W 12 | W 12 | W 12 | W 12 | NNW 10 | N 9 | N 9 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 |
 kJ | 6 | 58 | 177 | 130 | 99 | 56 | 58 | 116 | 190 | 396 | 327 | 266 | 325 | 393 | 18 | 7 | 6 | 389 | 316 | 253 | 248 | 195 | 149 | 114 |
Swell 2 Height (m) Direction Period (s) | — | W 11 | W 11 | W 10 | W 9 | W 9 | NW 7 | NW 7 | WNW 12 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | — | — | — | N 8 | N 8 | N 8 | N 7 | N 7 | N 9 | N 9 |
| kJ | — | 22 | 21 | 33 | 28 | 56 | 24 | 19 | 123 | 10 | 19 | 18 | 19 | 19 | — | — | — | 5 | 5 | 4 | 4 | 4 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | — | W 17 | W 16 | W 16 | W 16 | W 16 | W 15 | WNW 13 | NNW 11 | — | — | — | — | — | — | — | — | — | — | N 10 | N 10 | N 10 | — | — |
| kJ | — | 6 | 5 | 5 | 5 | 5 | 18 | 35 | 11 | — | — | — | — | — | — | — | — | — | — | 2 | 8 | 2 | — | — |
Wind waves Height (m) Direction Period (s) | W 8 | W 7 | — | — | — | — | — | — | — | — | — | — | — | — | W 12 | W 12 | W 12 | — | — | — | — | — | — | — |
| kJ | 291 | 135 | — | — | — | — | — | — | — | — | — | — | — | — | 469 | 488 | 464 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 146 | 67 | 0 | 0 | 0 | 0 | 5 | 26 | 0 | 0 | 0 | 0 | 28 | 28 | 128 | 341 | 367 | 146 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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