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Ballyhiernan Bay surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 6 pm Thursday 30 Apr 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 10PM is: 1.4m 13s primary swell from a Northwest direction (forecast issued at 06:00pm April 30). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | - | - |
| Afternoon (30 Apr) | 5ft (1.6m) | 14s |
| Evening (30 Apr) | 4.5ft (1.4m) | 13s |
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 Fri night. Very mild (max 16°C on Thu afternoon, min 9°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NW 13 | NW 13 | NW 13 | 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 | NW 10 | NNW 7 | |
859 | 680 | 604 | 527 | 423 | 414 | 355 | 309 | 278 | 233 | 229 | 220 | 208 | 204 | 281 | 265 | 260 | 260 | 251 | 246 | 245 | 137 | 150 | 167 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | cross-off | off | off | off | cross-off | on | glassy | glassy | off | off | glassy | glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 6:29PM3.10m | 6:42AM3.21m | 6:59PM3.17m | 7:13AM3.18m | 7:29PM3.19m | 7:44AM3.10m | ||||||||||||||||||
Low Tide | 00:27AM0.30m | 12:45PM0.24m | 1:00AM0.29m | 1:15PM0.28m | 1:33AM0.32m | |||||||||||||||||||
 |  |  | |  | | | | |  |  | | | | | | | |  | | | | | | |
 | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:46 | — | — | — |
 | — | 9:04 | — | — | — | — | — | — | — | 9:06 | — | — | — | — | — | — | — | 9:07 | — | — | — | — | — | 9:09 |
— | — | — | — | 1 | — | — | — | — | 1 | — | — | 1 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 15 | 15 | 11 | 11 | 13 | 15 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 10 | 10 | 9 | 10 | 10 | 9 |
11 | 13 | 13 | 12 | 8 | 9 | 10 | 14 | 9 | 10 | 11 | 10 | 10 | 9 | 10 | 8 | 7 | 8 | 6 | 7 | 5 | 8 | 6 | 4 | |
Swell 1 Height (m) Direction Period (s) | NW 13 | NW 13 | NW 13 | 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 | NW 10 | NW 9 |
 kJ | 859 | 680 | 604 | 527 | 423 | 414 | 355 | 309 | 278 | 233 | 229 | 220 | 208 | 204 | 281 | 265 | 260 | 260 | 251 | 246 | 245 | 137 | 150 | 128 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 10 | W 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 7 | — | — |
| kJ | — | — | — | 17 | 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 82 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 7 | NNW 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 117 | 167 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 24 | 24 | 21 | 21 | 62 | 36 | 92 | 129 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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