Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (14 Aug):
- Morning surf: Morning surf (14 Aug, local time) - 2.5ft (0.7m), 9s period with W swell.
- Afternoon surf: Afternoon surf (14 Aug, local time) - 2.5ft (0.8m), 8s period with W swell.
- Evening surf: Evening surf (14 Aug, local time) - 1.5ft (0.5m), 8s period with W swell.
The current surf forecast for Ballyhiernan Bay at 12AM is: 0.7m 10s primary swell from a West direction and 0.1m 11s secondary swell from a North direction (forecast issued at 06:00pm August 13). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Aug) | 2.5ft (0.7m) | 9s |
| Afternoon (14 Aug) | 2.5ft (0.8m) | 8s |
| Evening (14 Aug) | 1.5ft (0.5m) | 8s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Sun morning. Warm (max 20°C on Thu afternoon, min 12°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Thu 13 | Friday 14 | Saturday 15 | |||||||||||||||||
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 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | WNW 8 | W 8 | WNW 8 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 125 | 121 | 116 | 85 | 81 | 79 | 78 | 76 | 90 | 90 | 32 | 128 | 168 | 153 | 157 | 149 | 154 | 158 | 163 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 7:35PM3.75m | 7:56AM3.27m | 8:15PM3.76m | 8:34AM3.24m | 8:53PM3.64m | ||||||||||||||
Low Tide | 1:11PM-0.04m | 1:47AM-0.11m | 1:51PM-0.10m | 2:26AM-0.08m | 2:30PM-0.06m | ||||||||||||||
 |  |  |  |  |  |  |  | | |  | | | | | | | | | |
 | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | 9:09 | — | — | — | — | — | — | — | 9:07 | — | — | — | — | — | — | — | 9:06 | — |
mm | 1 | 1 | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 19 | 18 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 14 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 |
Feels °C | 21 | 21 | 20 | 13 | 13 | 12 | 11 | 11 | 12 | 13 | 11 | 9 | 9 | 8 | 10 | 10 | 10 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | N 10 | N 10 | N 9 | W 8 | N 9 | N 9 | WNW 8 | N 9 | N 9 | WNW 8 | WNW 8 | NW 8 |
| kJ | 125 | 121 | 116 | 85 | 81 | 79 | 78 | 2 | 2 | 2 | 32 | 2 | 2 | 153 | 2 | 2 | 154 | 158 | 163 |
Swell 2 Height (m) Direction Period (s) | — | — | — | N 11 | N 11 | N 10 | N 10 | — | — | — | N 9 | — | — | N 9 | — | — | N 9 | N 9 | — |
| kJ | — | — | — | 2 | 2 | 2 | 2 | — | — | — | 2 | — | — | 2 | — | — | 1 | 2 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 9 | W 8 | WNW 8 | NW 5 | WNW 8 | WNW 9 | — | WNW 8 | WNW 8 | — | — | — |
| kJ | — | — | — | — | — | — | — | 76 | 90 | 90 | 29 | 128 | 168 | — | 157 | 149 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 26 | 21 | 0 | 28 | 28 | 28 | 394 | 377 | 794 | 377 | 146 | 528 | 146 | 146 | 834 | 593 | 1069 | 146 | 28 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
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