Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (11 Aug):
- Afternoon surf: Afternoon surf (11 Aug, local time) - 1.5ft (0.4m), 8s period with NNW swell.
- Evening surf: Evening surf (11 Aug, local time) - 1.5ft (0.5m), 11s period with W swell.
The current surf forecast for Ballyhiernan Bay at 10PM is: 0.5m 11s primary swell from a West direction and 0.3m 8s secondary swell from a North direction (forecast issued at 06:00pm August 11). The wind direction is predicted to be offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | - | - |
| Afternoon (11 Aug) | 1.5ft (0.4m) | 8s |
| Evening (11 Aug) | 1.5ft (0.5m) | 11s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Thu morning. Warm (max 23°C on Wed morning, min 14°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Tue 11 | Wednesday 12 | Thursday 13 | |||||||||||||||||
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) | NNW 8 | WNW 12 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 22 | 29 | 66 | 116 | 104 | 96 | 69 | 68 | 66 | 64 | 65 | 121 | 149 | 174 | 133 | 127 | 125 | 118 | 116 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | cross-off | cross-off | glassy | glassy | off | off | off | off | cross-on | cross | cross |
High Tide | 6:08PM3.37m | 6:33AM3.13m | 6:53PM3.61m | 7:16AM3.24m | 7:35PM3.75m | ||||||||||||||
Low Tide | 00:20AM0.16m | 12:29PM0.12m | 1:05AM-0.03m | 1:11PM-0.04m | |||||||||||||||
 | |  | |  |  |  | |  | | | | | | | | |  | | |
 | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | 9:15 | — | — | — | — | — | — | — | 9:12 | — | — | — | — | — | — | — | 9:09 | — |
mm | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | 2 | 2 | 1 | — |
Temp °C | 22 | 22 | 21 | 19 | 18 | 17 | 18 | 23 | 23 | 23 | 19 | 18 | 18 | 19 | 19 | 19 | 18 | 17 | 16 |
Feels °C | 18 | 20 | 18 | 16 | 15 | 13 | 15 | 21 | 23 | 24 | 21 | 20 | 19 | 19 | 19 | 19 | 19 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | NNW 8 | NNW 8 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 |
| kJ | 22 | 21 | 66 | 116 | 104 | 96 | 69 | 68 | 66 | 64 | 65 | 121 | 149 | 174 | 133 | 127 | 125 | 118 | 116 |
Swell 2 Height (m) Direction Period (s) | NW 7 | WNW 12 | N 8 | N 8 | N 8 | N 8 | N 7 | N 7 | N 7 | N 7 | WNW 12 | N 7 | N 7 | N 7 | — | — | — | — | — |
| kJ | 8 | 29 | 11 | 10 | 4 | 4 | 4 | 1 | 1 | 1 | 28 | 1 | 1 | 1 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 7 | W 7 | WNW 7 | NW 7 | NW 6 | NW 6 | NW 6 | — | — | — | N 7 | — | — | — | — | — | — | — | — |
| kJ | 8 | 3 | 5 | 2 | 2 | 2 | 2 | — | — | — | 1 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 26 | 26 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
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