Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (26 Jul):
- Afternoon surf: Afternoon surf (26 Jul, local time) - 8ft (2.5m), 10s period with WNW swell.
- Evening surf: Evening surf (26 Jul, local time) - 7ft (2.1m), 10s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 10PM is: 2.1m 10s primary swell from a West-northwest direction and 0.7m 9s secondary swell from a North direction (forecast issued at 06:00pm July 26). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Jul) | - | - |
| Afternoon (26 Jul) | 8ft (2.5m) | 10s |
| Evening (26 Jul) | 7ft (2.1m) | 10s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 15mm), heaviest on Wed morning. Very mild (max 18°C on Mon night, min 13°C on Wed morning). Winds decreasing (fresh winds from the WNW on Sun afternoon, light winds from the WNW by Wed morning). | |||||||||||||||||||
Sun 26 | Monday 27 | Tuesday 28 | |||||||||||||||||
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 |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 1207 | 1067 | 904 | 725 | 692 | 586 | 471 | 386 | 332 | 258 | 227 | 222 | 275 | 314 | 516 | 401 | 270 | 234 | 200 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross | cross-off | cross | cross-off | cross | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 5:31PM2.70m | 5:50AM2.61m | 6:11PM2.88m | 6:26AM2.74m | 6:46PM3.05m | ||||||||||||||
Low Tide | 11:39PM0.87m | 11:48AM0.76m | 00:18AM0.71m | 12:25PM0.58m | |||||||||||||||
 |  |  |  | |  | | | |  |  | | | | | |  | | | |
 | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — |
 | — | 9:45 | — | — | — | — | — | — | — | 9:44 | — | — | — | — | — | — | — | 9:43 | — |
mm | 1 | — | — | — | — | — | — | — | — | 1 | 2 | 2 | 1 | 1 | 1 | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 17 | 15 | 16 | 17 | 18 | 18 | 17 | 18 | 17 | 18 | 16 |
Feels °C | 8 | 9 | 9 | 10 | 9 | 11 | 12 | 14 | 15 | 14 | 15 | 16 | 16 | 15 | 12 | 13 | 15 | 16 | 14 |
Swell 1 Height (m) Direction Period (s) | NNW 9 | N 9 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | W 9 | N 9 | N 9 | W 8 | W 8 | W 8 | W 8 |
| kJ | 25 | 56 | 904 | 725 | 692 | 586 | 471 | 386 | 332 | 258 | 227 | 222 | 275 | 60 | 41 | 401 | 270 | 234 | 200 |
Swell 2 Height (m) Direction Period (s) | — | — | N 9 | N 9 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 9 | — | — | N 9 | NNW 9 | NNW 9 | NNW 9 |
| kJ | — | — | 78 | 81 | 90 | 96 | 96 | 96 | 96 | 96 | 94 | 90 | 61 | — | — | 41 | 27 | 27 | 26 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 10 | WNW 10 | — | — | — | — | — | — | — | — | — | — | — | W 8 | W 8 | — | — | — | — |
| kJ | 1207 | 1067 | — | — | — | — | — | — | — | — | — | — | — | 314 | 516 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 994 | 445 | 366 | 6 | 128 | 6 | 6 | 0 | 6 | 0 | 0 | 17 | 17 | 17 | 329 | 67 | 17 | 28 | 0 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
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