- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Ballyhiernan Bay surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 6 pm Wednesday 20 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 normal for this time of year)How big are the waves at Ballyhiernan Bay today?
The current surf forecast for Ballyhiernan Bay at 11PM is: 1.3m 12s primary swell from a West-northwest direction (forecast issued at 06:00pm May 20). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | - | - |
| Afternoon (20 May) | 5ft (1.6m) | 13s |
| Evening (20 May) | 4.5ft (1.4m) | 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 9mm), mostly falling on Thu afternoon. Very mild (max 18°C on Thu morning, min 11°C on Wed night). Winds decreasing (fresh winds from the SSE on Thu night, calm by Fri afternoon). | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 13 | W 12 | WNW 12 | W 12 | W 11 | WNW 11 | W 11 | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 11 | W 12 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 9 | |
878 | 683 | 569 | 336 | 265 | 198 | 185 | 171 | 137 | 146 | 156 | 159 | 174 | 195 | 191 | 151 | 210 | 206 | 185 | 178 | 128 | 125 | 116 | 42 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | off | off | off | off | cross-off | off | off | off | off | off | off | off | cross-off | cross-off | glassy | cross-off | cross-off | off | off | cross-off | cross | |
High Tide | 9:49PM3.29m | 10:20AM2.79m | 10:49PM3.11m | 11:24AM2.55m | 11:57PM2.95m | 12:38PM2.39m | ||||||||||||||||||
Low Tide | 3:22PM0.34m | 4:06AM0.38m | 4:16PM0.53m | 5:11AM0.59m | 5:19PM0.71m | 6:25AM0.74m | ||||||||||||||||||
 |  |  | |  |  |  | | |  | | |  | | | | | | |  | | | | | |
 | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:09 | — | — | — |
 | — | 9:40 | — | — | — | — | — | — | — | 9:43 | — | — | — | — | — | — | — | 9:44 | — | — | — | — | — | 9:45 |
— | — | — | — | 1 | 1 | — | — | — | 4 | 1 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | |
Temp °C | 13 | 13 | 13 | 11 | 11 | 12 | 15 | 18 | 17 | 15 | 15 | 14 | 12 | 12 | 15 | 18 | 18 | 14 | 14 | 13 | 12 | 12 | 13 | 17 |
7 | 8 | 11 | 8 | 6 | 8 | 13 | 16 | 17 | 12 | 11 | 8 | 6 | 8 | 11 | 15 | 15 | 14 | 13 | 11 | 9 | 9 | 10 | 14 | |
Swell 1 Height (m) Direction Period (s) | W 13 | W 12 | WNW 12 | W 12 | W 11 | WNW 11 | W 11 | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 11 | W 12 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 9 |
 kJ | 878 | 683 | 569 | 336 | 265 | 198 | 185 | 171 | 137 | 146 | 156 | 159 | 174 | 195 | 191 | 151 | 210 | 206 | 185 | 178 | 128 | 125 | 116 | 42 |
Swell 2 Height (m) Direction Period (s) | — | — | — | NW 7 | NW 7 | NW 8 | NW 8 | WNW 11 | WNW 11 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NW 6 | N 6 | N 6 | N 6 | — | N 6 | W 16 | W 16 |
| kJ | — | — | — | 36 | 52 | 63 | 46 | 69 | 40 | 7 | 7 | 7 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | — | 1 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | NW 7 | NW 7 | NW 9 | NW 9 | N 8 | N 8 | N 8 | — | — | N 8 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 27 | 17 | 3 | 3 | 1 | 1 | 1 | — | — | 1 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | S 2 | — | — | — | — | — | S 3 | S 3 | SSE 2 | S 2 | SSW 2 | — | — | — | — | — | — | — | W 6 |
| kJ | — | — | — | — | — | 1 | — | — | — | — | — | 2 | 3 | 1 | 1 | 1 | — | — | — | — | — | — | — | 29 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 128 | 60 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Ballyhiernan Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest