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Ballyhiernan Bay surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 6 am Sunday 31 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
12.7° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Ballyhiernan Bay today (31 May):
- Morning surf: Morning surf (31 May, local time) - 4.5ft (1.3m), 12s period with W swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 4.5ft (1.3m), 12s period with W swell.
- Evening surf: Evening surf (31 May, local time) - 4ft (1.2m), 12s period with W swell.
The current surf forecast for Ballyhiernan Bay at 10AM is: 1.3m 12s primary swell from a West direction and 0.2m 10s secondary swell from a North-northwest direction (forecast issued at 06:00am May 31). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 4.5ft (1.3m) | 12s |
| Afternoon (31 May) | 4.5ft (1.3m) | 12s |
| Evening (31 May) | 4ft (1.2m) | 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 6mm), mostly falling on Mon afternoon. Very mild (max 15°C on Mon morning, min 11°C on Tue night). Winds increasing (light winds from the SE on Sun night, fresh winds from the SSE by Tue night). | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 10 | |
325 | 387 | 461 | 553 | 472 | 389 | 316 | 253 | 202 | 195 | 185 | 144 | 138 | 123 | 188 | 220 | 207 | 173 | 137 | 109 | 60 | 134 | 61 | 162 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross | cross | cross | cross-off | off | off | off | cross-off | off | off | cross | cross-off | cross-off | cross | cross-off | cross | cross-on | cross-on | cross | cross | cross-off | |
High Tide | 6:52AM2.94m | 7:11PM3.08m | 7:27AM2.92m | 7:45PM3.09m | 8:02AM2.86m | 8:21PM3.05m | ||||||||||||||||||
Low Tide | 12:52PM0.48m | 1:17AM0.50m | 1:26PM0.50m | 1:53AM0.54m | 2:01PM0.53m | |||||||||||||||||||
 |  | |  | | |  | | | | |  |  | |  | | | | | |  | | | | |
 | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — | 4:56 |
 | — | — | — | — | — | 9:58 | — | — | — | — | — | — | — | 9:59 | — | — | — | — | — | — | — | — | 10:00 | 10:01 |
— | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 | — | — | — | — | — | 1 | — | — | — | — | |
Temp °C | 12 | 12 | 13 | 14 | 14 | 13 | 14 | 13 | 13 | 13 | 15 | 15 | 15 | 14 | 13 | 12 | 12 | 12 | 13 | 12 | 13 | 13 | 12 | 12 |
8 | 7 | 8 | 9 | 9 | 10 | 13 | 10 | 10 | 11 | 14 | 14 | 14 | 10 | 10 | 9 | 9 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | W 12 | W 12 | NNW 10 | N 9 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 17 | W 9 | W 10 |
 kJ | 325 | 387 | 9 | 7 | 472 | 389 | 316 | 253 | 202 | 195 | 185 | 144 | 138 | 123 | 188 | 220 | 207 | 173 | 137 | 109 | 60 | 6 | 61 | 162 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | NNW 10 | — | — | N 9 | N 8 | N 8 | N 8 | N 7 | N 7 | N 9 | N 9 | N 9 | N 8 | N 8 | N 8 | N 8 | N 7 | N 7 | N 7 | N 7 | N 7 | WNW 16 | WNW 15 |
| kJ | 19 | 19 | — | — | 6 | 5 | 5 | 4 | 4 | 4 | 6 | 6 | 6 | 5 | 5 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 25 | 43 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | N 10 | N 10 | N 10 | — | — | — | W 14 | — | — | — | — | — | W 18 | W 18 | — | N 7 | N 7 |
| kJ | — | — | — | — | — | — | — | 2 | 8 | 2 | — | — | — | 4 | — | — | — | — | — | 6 | 6 | — | 1 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | W 12 | W 12 | — | — | — | — | — | — | — | — | — | W 4 | — | — | — | — | — | — | W 4 | W 9 | W 4 | — |
| kJ | — | — | 461 | 553 | — | — | — | — | — | — | — | — | — | 11 | — | — | — | — | — | — | 6 | 134 | 18 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 28 | 28 | 28 | 146 | 146 | 74 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 28 | 0 | 28 | 26 | 329 | 26 | 380 | 380 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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