Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (25 Aug):
- Morning surf: Morning surf (25 Aug, local time) - 3ft (0.9m), 10s period with WNW swell.
- Afternoon surf: Afternoon surf (25 Aug, local time) - 2.5ft (0.7m), 9s period with W swell.
- Evening surf: Evening surf (25 Aug, local time) - 2ft (0.6m), 9s period with W swell.
The current surf forecast for Ballyhiernan Bay at 8PM is: 0.6m 9s primary swell from a West direction and 0.1m 8s secondary swell from a Northwest direction (forecast issued at 12:00pm August 25). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Aug) | 3ft (0.9m) | 10s |
| Afternoon (25 Aug) | 2.5ft (0.7m) | 9s |
| Evening (25 Aug) | 2ft (0.6m) | 9s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Wed night. Very mild (max 19°C on Thu afternoon, min 14°C on Tue night). Wind will be generally light. | |||||||||||||||||||||
Tue 25 | Wednesday 26 | Thursday 27 | |||||||||||||||||||
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) | WNW 10 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 7 | W 7 | NW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 157 | 113 | 79 | 56 | 55 | 35 | 33 | 21 | 20 | 18 | 17 | 17 | 25 | 54 | 68 | 66 | 64 | 62 | 44 | 42 | 27 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | off | cross-off | cross-off | cross | cross | cross |
High Tide | 5:51PM2.90m | 6:05AM2.75m | 6:22PM3.12m | 6:36AM2.91m | 6:52PM3.30m | ||||||||||||||||
Low Tide | 11:29AM0.75m | 00:00AM0.67m | 12:02PM0.52m | 00:31AM0.46m | 12:33PM0.33m | ||||||||||||||||
 |  | | |  |  | |  | | | | | |  |  |  | | | | | | |
 | 6:22 | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | — | 8:42 | — | — | — | — | — | — | — | 8:39 | — | — | — | — | — | — | — | 8:37 | — |
mm | — | — | — | — | — | 1 | 3 | 2 | 2 | — | 1 | 1 | 4 | — | — | — | — | — | — | — | — |
Temp °C | 15 | 17 | 18 | 18 | 17 | 14 | 14 | 14 | 15 | 16 | 16 | 16 | 15 | 16 | 15 | 15 | 16 | 18 | 19 | 18 | 17 |
Feels °C | 11 | 12 | 14 | 15 | 14 | 12 | 9 | 10 | 12 | 13 | 14 | 15 | 14 | 16 | 14 | 14 | 16 | 18 | 19 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 7 | W 7 | NW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 |
| kJ | 157 | 113 | 79 | 56 | 55 | 35 | 33 | 21 | 20 | 18 | 17 | 17 | 25 | 54 | 68 | 66 | 64 | 62 | 44 | 42 | 27 |
Swell 2 Height (m) Direction Period (s) | — | — | — | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NE 5 | NW 7 | WNW 11 | W 7 | NNE 4 | NNE 4 | ENE 4 | NE 4 | N 4 | N 8 | N 8 | N 4 |
| kJ | — | — | — | 3 | 3 | 2 | 2 | 2 | 2 | 4 | 2 | 11 | 9 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NW 8 | NW 11 | — | NW 7 | N 7 | — | — | N 4 | NE 4 | — | NW 6 | N 8 |
| kJ | — | — | — | — | — | — | — | — | — | 2 | 5 | — | 2 | 1 | — | — | 1 | 1 | — | 1 | 1 |
Wind waves Height (m) Direction Period (s) | — | E 2 | E 3 | ENE 2 | ENE 2 | ENE 2 | ENE 5 | ENE 5 | E 6 | E 2 | ENE 4 | ENE 2 | NE 4 | — | — | — | — | — | NNE 4 | NNE 4 | NNE 3 |
| kJ | — | 1 | 1 | 1 | 1 | 1 | 7 | 15 | 16 | 1 | 7 | 1 | 2 | — | — | — | — | — | 1 | 1 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 7 | 7 | 21 | 21 | 21 | 21 | 94 | 39 | 39 | 211 | 39 | 24 | 21 | 0 | 0 | 0 | 0 | 0 | 5 | 21 | 21 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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