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Ballyhiernan Bay surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 12 am Friday 01 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 1.3°C warmer than normal for this time of year)How big are the waves at Ballyhiernan Bay today?
The current surf forecast for Ballyhiernan Bay at 5AM is: 1.1m 12s primary swell from a Northwest direction and 0.3m 9s secondary swell from a West direction (forecast issued at 12:00am May 01). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 May) | 3.5ft (1.1m) | 12s |
| Afternoon (01 May) | 3.5ft (1.1m) | 11s |
| Evening (01 May) | 3.5ft (1.0m) | 11s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Fri night. Very mild (max 15°C on Thu night, min 8°C on Sun afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Friday 1 | Saturday 2 | Sunday 3 | ||||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 6 | |
527 | 423 | 414 | 355 | 309 | 278 | 233 | 229 | 220 | 208 | 204 | 281 | 270 | 290 | 330 | 322 | 315 | 348 | 177 | 181 | 204 | 228 | 171 | 127 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | off | off | off | cross-on | on | cross-on | glassy | cross-off | cross | cross | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | |
High Tide | 6:42AM3.21m | 6:59PM3.17m | 7:13AM3.18m | 7:29PM3.19m | 7:44AM3.10m | 8:00PM3.15m | ||||||||||||||||||
Low Tide | 00:27AM0.30m | 12:45PM0.24m | 1:00AM0.29m | 1:15PM0.28m | 1:33AM0.32m | 1:45PM0.37m | ||||||||||||||||||
 |  |  |  | | | | |  | |  | | | | | | | | | | | | |  | |
 | — | 5:50 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:06 | — | — | — | — | — | — | — | 9:07 | — | — | — | — | — | — | — | 9:09 | — |
— | — | — | — | — | — | — | — | 1 | 1 | 2 | 1 | — | 1 | 2 | 2 | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 13 | 13 | 15 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 7 |
12 | 12 | 11 | 10 | 13 | 10 | 11 | 11 | 10 | 9 | 8 | 9 | 8 | 8 | 6 | 6 | 5 | 5 | 4 | 3 | 3 | 3 | 3 | 2 | |
Swell 1 Height (m) Direction Period (s) | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NNW 7 | NNW 8 | NW 9 | NW 9 | NW 9 | NNW 6 |
 kJ | 527 | 423 | 414 | 355 | 309 | 278 | 233 | 229 | 220 | 208 | 204 | 281 | 270 | 290 | 330 | 322 | 315 | 348 | 136 | 181 | 128 | 90 | 88 | 127 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 9 | — | — | — | — | — | W 10 | — | — | — | — | — | — | — | — | — | — | NW 10 | NW 9 | — | — | — | NW 9 |
| kJ | 17 | 15 | — | — | — | — | — | 7 | — | — | — | — | — | — | — | — | — | — | 177 | 128 | — | — | — | 86 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 8 | NNW 7 | NNW 7 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 204 | 228 | 171 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 21 | 0 | 0 | 0 | 21 | 26 | 13 | 0 | 0 | 21 | 26 | 0 | 21 | 39 | 21 | 125 | 100 | 92 | 59 | 56 | 103 | 393 | 411 | 59 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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