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 12PM is: 0.5m 8s primary swell from a North direction and 0.3m 7s secondary swell from a Northwest direction (forecast issued at 06:00am August 11). An open ocean swell of 0.3m 2s is not directed at the surf break. 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 ForecastModerate rain (total 19mm), heaviest on Thu afternoon. Warm (max 23°C on Tue afternoon, min 14°C on Thu night). Wind will be generally light. | |||||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | |||||||||||||||||||||
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 | 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) | 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 10 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 78 | 56 | 36 | 34 | 22 | 29 | 66 | 116 | 104 | 96 | 94 | 66 | 66 | 62 | 65 | 121 | 149 | 138 | 133 | 127 | 123 | 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 | off | off | off | off | cross-off | glassy | glassy | glassy | off | off | off | glassy | cross | cross | cross |
High Tide | 5:45AM2.96m | 6:08PM3.37m | 6:33AM3.13m | 6:53PM3.61m | 7:16AM3.24m | 7:35PM3.75m | |||||||||||||||||
Low Tide | 11:43AM0.35m | 00:20AM0.16m | 12:29PM0.12m | 1:05AM-0.03m | 1:11PM-0.04m | ||||||||||||||||||
 |  |  | | | |  | | | |  | | |  | | | | | |  |  | | | |
 | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | — | 9:15 | — | — | — | — | — | — | — | 9:12 | — | — | — | — | — | — | — | 9:09 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 2 | 7 | 8 | — |
Temp °C | 14 | 13 | 15 | 19 | 22 | 23 | 21 | 19 | 18 | 17 | 18 | 23 | 23 | 22 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 |
Feels °C | 11 | 9 | 10 | 15 | 18 | 21 | 18 | 16 | 15 | 14 | 15 | 21 | 23 | 24 | 22 | 21 | 19 | 19 | 19 | 21 | 20 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | 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 10 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 |
| kJ | 78 | 56 | 36 | 34 | 22 | 21 | 66 | 116 | 104 | 96 | 94 | 66 | 66 | 62 | 65 | 121 | 149 | 138 | 133 | 127 | 123 | 118 | 116 |
Swell 2 Height (m) Direction Period (s) | W 7 | WNW 7 | W 7 | NW 7 | 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 | N 7 | — | — | — | — |
| kJ | 25 | 16 | 15 | 8 | 8 | 29 | 11 | 10 | 4 | 4 | 4 | 1 | 1 | 1 | 28 | 1 | 1 | 1 | 1 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | NW 8 | NW 8 | NW 8 | W 7 | W 7 | W 7 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | — | — | — | N 7 | — | — | — | — | — | — | — | — |
| kJ | 15 | 9 | 9 | 8 | 8 | 3 | 2 | 2 | 2 | 2 | 2 | — | — | — | 1 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | S 2 | SSE 2 | SSE 2 | — | ESE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 1 | 1 | 1 | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 5 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 26 | 21 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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