Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (11 Aug):
- Morning surf: Morning surf (11 Aug, local time) - 2ft (0.6m), 8s period with N swell.
- 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 1AM is: 0.8m 9s primary swell from a North-northwest direction and 0.5m 7s secondary swell from a West direction (forecast issued at 06:00pm August 10). The wind direction is predicted to be offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | 2ft (0.6m) | 8s |
| 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 13°C on Mon afternoon). Wind will be generally light. | |||||||||||||||||||
Mon 10 | Tuesday 11 | Wednesday 12 | |||||||||||||||||
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 10 | N 10 | NNW 10 | NNW 9 | N 9 | N 9 | N 8 | N 8 | NNW 8 | WNW 12 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 255 | 196 | 157 | 110 | 78 | 56 | 36 | 34 | 22 | 29 | 66 | 116 | 102 | 96 | 68 | 68 | 65 | 62 | 93 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | on | glassy | glassy |
High Tide | 5:16PM3.06m | 5:45AM2.96m | 6:08PM3.37m | 6:33AM3.13m | 6:53PM3.61m | ||||||||||||||
Low Tide | 11:29PM0.42m | 11:43AM0.35m | 00:20AM0.16m | 12:29PM0.12m | |||||||||||||||
 |  |  |  | | | | | | | | | | | | | |  |  | |
 | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | 9:16 | — | — | — | — | — | — | — | 9:15 | — | — | — | — | — | — | — | 9:12 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 |
Temp °C | 13 | 13 | 14 | 14 | 13 | 13 | 15 | 19 | 22 | 22 | 21 | 20 | 18 | 17 | 18 | 23 | 22 | 21 | 19 |
Feels °C | 11 | 12 | 13 | 12 | 9 | 8 | 10 | 15 | 18 | 19 | 18 | 17 | 15 | 13 | 15 | 22 | 22 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | NNW 10 | N 10 | NNW 10 | NNW 9 | N 9 | N 9 | N 8 | N 8 | NNW 8 | NNW 8 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 12 |
| kJ | 255 | 196 | 157 | 110 | 78 | 56 | 36 | 34 | 22 | 21 | 66 | 116 | 102 | 96 | 68 | 68 | 65 | 62 | 93 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | W 7 | W 7 | W 7 | W 7 | NW 7 | NW 7 | W 7 | N 8 | N 8 | N 8 | N 8 | N 7 | N 7 | N 7 | N 7 | N 7 |
| kJ | 66 | 58 | 44 | 25 | 25 | 15 | 15 | 8 | 8 | 8 | 11 | 10 | 5 | 4 | 4 | 1 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | W 10 | NW 8 | NW 8 | NW 8 | NW 8 | W 7 | W 7 | WNW 12 | WNW 7 | NW 7 | NW 7 | NW 6 | NW 6 | — | — | — | — |
| kJ | — | — | 2 | 14 | 15 | 20 | 9 | 8 | 8 | 29 | 5 | 2 | 2 | 2 | 2 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | S 2 | S 2 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 6 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
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