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Ballyhiernan Bay surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 6 pm Monday 04 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 1.1°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 12AM is: 0.8m 8s primary swell from a West-northwest direction and 0.6m 7s secondary swell from a North-northwest direction (forecast issued at 06:00pm May 04). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | 3.5ft (1.1m) | 7s |
| Afternoon (05 May) | 4.5ft (1.4m) | 7s |
| Evening (05 May) | 4.5ft (1.3m) | 7s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 12°C on Thu morning, min 6°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 4 | Tuesday 5 | Wednesday 6 | Thu 7 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WNW 9 | NW 8 | NW 7 | WNW 8 | WNW 8 | NNW 7 | NW 7 | NW 7 | NW 7 | NW 9 | N 7 | NW 9 | NW 9 | WNW 8 | N 10 | NNW 10 | NNW 10 | N 10 | N 10 | NNW 9 | N 9 | N 9 | N 9 | W 7 | |
52 | 69 | 65 | 84 | 82 | 88 | 134 | 115 | 188 | 159 | 176 | 119 | 107 | 90 | 206 | 167 | 128 | 120 | 90 | 88 | 81 | 59 | 59 | 61 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | off | glassy | cross | cross-on | cross-off | off | off | off | cross-off | cross-off | |
High Tide | 8:32PM3.06m | 8:49AM2.81m | 9:07PM2.92m | 9:23AM2.63m | 9:46PM2.76m | 10:02AM2.44m | ||||||||||||||||||
Low Tide | 2:16PM0.48m | 2:41AM0.56m | 2:49PM0.63m | 3:17AM0.74m | 3:24PM0.78m | 3:58AM0.93m | ||||||||||||||||||
 | |  | | |  | | | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:37 | — | — | — |
 | — | 9:10 | — | — | — | — | — | — | — | 9:13 | — | — | — | — | — | — | — | 9:15 | — | — | — | — | — | 9:16 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 11 | 10 | 9 | 9 | 9 | 8 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 10 | 9 | 8 | 8 | 7 | 6 | 6 | 9 | 12 |
5 | 5 | 6 | 6 | 4 | 3 | 4 | 2 | -1 | -1 | 0 | 2 | 5 | 5 | 5 | 8 | 3 | 2 | 4 | 3 | 2 | 1 | 3 | 7 | |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | NW 7 | WNW 8 | WNW 8 | NNW 7 | NW 7 | NW 7 | N 12 | NW 9 | WNW 9 | NW 9 | N 6 | N 6 | N 10 | NNW 10 | NNW 10 | N 10 | N 10 | NNW 9 | N 9 | N 9 | W 6 | W 7 |
 kJ | 52 | 50 | 65 | 84 | 82 | 88 | 134 | 115 | 3 | 155 | 135 | 110 | 81 | 64 | 206 | 167 | 128 | 120 | 90 | 88 | 81 | 59 | 31 | 61 |
Swell 2 Height (m) Direction Period (s) | N 8 | — | WNW 8 | NNW 7 | — | WNW 8 | NW 11 | NW 10 | — | N 13 | N 13 | NNW 11 | NW 9 | WNW 8 | NW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 7 | N 9 | N 9 |
| kJ | 1 | — | 46 | 43 | — | 35 | 19 | 27 | — | 3 | 12 | 24 | 107 | 90 | 69 | 56 | 56 | 42 | 42 | 23 | 21 | 18 | 59 | 41 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | NW 11 | — | — | — | — | — | — | N 11 | N 10 | — | NE 4 | — | — | — | — | — | — | — | NW 9 |
| kJ | — | — | — | — | — | 5 | — | — | — | — | — | — | 59 | 80 | — | 1 | — | — | — | — | — | — | — | 22 |
Wind waves Height (m) Direction Period (s) | NNW 8 | NW 8 | — | — | NNW 7 | — | — | — | NW 7 | N 7 | N 7 | N 6 | — | — | — | — | — | WNW 3 | — | — | — | — | — | — |
| kJ | 46 | 69 | — | — | 57 | — | — | — | 188 | 159 | 176 | 119 | — | — | — | — | — | 5 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 590 | 393 | 36 | 6 | 90 | 161 | 279 | 279 | 393 | 834 | 83 | 36 | 6 | 0 | 0 | 0 | 6 | 329 | 0 | 0 | 0 | 0 | 17 | 6 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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