Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (28 Jul):
- Afternoon surf: Afternoon surf (28 Jul, local time) - 5ft (1.5m), 8s period with W swell.
- Evening surf: Evening surf (28 Jul, local time) - 4.5ft (1.4m), 8s period with W swell.
The current surf forecast for Ballyhiernan Bay at 10PM is: 1.4m 8s primary swell from a West direction and 0.4m 9s secondary swell from a North-northwest direction (forecast issued at 06:00pm July 28). The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Jul) | - | - |
| Afternoon (28 Jul) | 5ft (1.5m) | 8s |
| Evening (28 Jul) | 4.5ft (1.4m) | 8s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Tue afternoon. Very mild (max 17°C on Tue afternoon, min 11°C on Thu night). Winds increasing (light winds from the SW on Tue night, strong winds from the W by Wed night). | |||||||||||||||||||
Tue 28 | Wednesday 29 | Thursday 30 | |||||||||||||||||
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) | W 8 | W 8 | W 8 | W 8 | W 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | W 8 | NNW 9 | NNW 9 | NNW 9 | N 9 | NNW 7 | W 7 | WNW 7 | W 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 212 | 252 | 279 | 234 | 165 | 171 | 181 | 140 | 133 | 123 | 115 | 110 | 108 | 82 | 151 | 132 | 117 | 77 | 58 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross | cross-off |
High Tide | 6:46PM3.05m | 7:00AM2.85m | 7:19PM3.19m | 7:32AM2.93m | 7:51PM3.28m | ||||||||||||||
Low Tide | 00:54AM0.56m | 12:58PM0.43m | 1:27AM0.44m | 1:30PM0.31m | |||||||||||||||
 |  |  |  | |  | | |  | |  | | | | | | | | | |
 | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | 9:43 | — | — | — | — | — | — | — | 9:40 | — | — | — | — | — | — | — | 9:38 | — |
mm | 5 | — | — | 1 | — | 1 | — | 1 | — | — | — | — | — | 1 | — | — | — | — | — |
Temp °C | 16 | 17 | 16 | 14 | 13 | 13 | 14 | 14 | 15 | 15 | 14 | 12 | 12 | 13 | 12 | 13 | 13 | 14 | 13 |
Feels °C | 11 | 13 | 13 | 12 | 11 | 11 | 13 | 11 | 11 | 11 | 11 | 9 | 8 | 5 | 5 | 5 | 7 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | W 8 | N 9 | W 8 | W 8 | W 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | W 8 | WNW 7 | W 7 | NNW 9 | N 9 | NNW 7 | N 6 | NNW 6 | W 7 |
| kJ | 212 | 41 | 279 | 234 | 165 | 171 | 181 | 140 | 133 | 123 | 115 | 91 | 88 | 82 | 151 | 118 | 84 | 62 | 56 |
Swell 2 Height (m) Direction Period (s) | N 9 | — | NNW 9 | NNW 9 | NNW 9 | NNW 9 | N 9 | N 9 | NNW 11 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | — | — | — | — | — | NNW 8 |
| kJ | 41 | — | 27 | 26 | 26 | 26 | 14 | 13 | 22 | 54 | 88 | 110 | 108 | — | — | — | — | — | 58 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | N 8 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 5 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | W 8 | — | — | — | — | — | — | — | — | — | — | — | W 5 | WNW 6 | WNW 7 | W 7 | WNW 7 | — |
| kJ | — | 252 | — | — | — | — | — | — | — | — | — | — | — | 82 | 113 | 132 | 117 | 77 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 67 | 28 | 14 | 28 | 0 | 0 | 0 | 28 | 36 | 6 | 6 | 6 | 10 | 327 | 345 | 393 | 432 | 6 | 6 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
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