Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (01 Sep):
- Morning surf: Morning surf (01 Sep, local time) - 5.5ft (1.7m), 8s period with W swell.
- Afternoon surf: Afternoon surf (01 Sep, local time) - 6ft (1.8m), 8s period with W swell.
- Evening surf: Evening surf (01 Sep, local time) - 4ft (1.2m), 8s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 12PM is: 1.8m 8s primary swell from a West direction and 0.2m 6s secondary swell from a North direction (forecast issued at 06:00am September 01). The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Sep) | 5.5ft (1.7m) | 8s |
| Afternoon (01 Sep) | 6ft (1.8m) | 8s |
| Evening (01 Sep) | 4ft (1.2m) | 8s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Tue afternoon. Very mild (max 17°C on Wed afternoon, min 13°C on Tue night). Winds increasing (calm on Tue night, strong winds from the WSW by Thu night). | |||||||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | |||||||||||||||||||||
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) | W 7 | W 7 | W 8 | W 8 | W 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NNW 9 | NNW 8 | NNW 8 | W 7 | W 7 | W 7 | W 7 | W 8 | W 9 | W 9 | W 9 | W 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 107 | 187 | 388 | 464 | 377 | 264 | 192 | 168 | 142 | 99 | 77 | 79 | 92 | 92 | 127 | 166 | 200 | 150 | 138 | 215 | 481 | 601 | 766 |
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 | on | glassy | glassy | off | off | off | off | off | cross-off | cross-off | cross-off | cross | cross-off | cross | cross-off | cross-off | cross-off | cross-off |
High Tide | 9:12AM3.08m | 9:29PM3.23m | 9:49AM2.95m | 10:09PM3.00m | 10:33AM2.77m | ||||||||||||||||||
Low Tide | 3:11PM0.26m | 3:38AM0.34m | 3:51PM0.45m | 4:20AM0.57m | 4:40PM0.69m | ||||||||||||||||||
 |  | | |  | |  |  | |  | | | |  | | |  | | | | | | | |
 | 6:35 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:24 | — | — | — | — | — | — | — | 8:22 | — | — | — | — | — | — | — | 8:20 | — |
mm | — | 1 | 1 | 2 | 8 | 4 | 1 | — | — | — | — | 1 | 1 | — | 1 | — | — | — | — | — | 1 | 2 | 2 |
Temp °C | 15 | 15 | 16 | 16 | 14 | 14 | 14 | 14 | 13 | 14 | 15 | 14 | 15 | 17 | 17 | 16 | 16 | 16 | 16 | 17 | 15 | 14 | 14 |
Feels °C | 11 | 9 | 10 | 10 | 9 | 13 | 14 | 14 | 12 | 12 | 13 | 10 | 13 | 15 | 14 | 11 | 12 | 13 | 12 | 11 | 7 | 9 | 7 |
Swell 1 Height (m) Direction Period (s) | NNW 6 | NNW 6 | NNW 6 | N 6 | N 6 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NNW 8 | W 7 | NNW 8 | NNW 10 | N 10 | W 7 | W 8 | N 10 | N 10 | NNW 10 | NNW 10 |
| kJ | 13 | 8 | 4 | 3 | 3 | 264 | 192 | 168 | 142 | 99 | 77 | 58 | 92 | 86 | 75 | 147 | 100 | 150 | 138 | 74 | 49 | 31 | 31 |
Swell 2 Height (m) Direction Period (s) | WNW 9 | — | — | — | — | N 6 | N 6 | N 6 | N 8 | NNW 6 | NNW 7 | NNW 9 | WNW 7 | NNW 8 | NNW 11 | W 16 | W 16 | N 10 | N 10 | W 15 | — | W 17 | — |
| kJ | 27 | — | — | — | — | 3 | 3 | 3 | 5 | 17 | 18 | 79 | 43 | 92 | 42 | 5 | 5 | 102 | 75 | 4 | — | 6 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | N 8 | W 18 | W 18 | W 17 | N 8 | NNW 9 | N 13 | N 12 | W 16 | W 16 | — | — | W 17 | W 17 | W 18 | — | — | — |
| kJ | — | — | — | — | — | 1 | 6 | 6 | 6 | 5 | 16 | 3 | 11 | 5 | 5 | — | — | 6 | 6 | 6 | — | — | — |
Wind waves Height (m) Direction Period (s) | W 7 | W 7 | W 8 | W 8 | W 8 | — | — | — | — | — | — | — | — | — | W 7 | W 7 | W 7 | — | — | W 9 | W 9 | W 9 | W 9 |
| kJ | 107 | 187 | 388 | 464 | 377 | — | — | — | — | — | — | — | — | — | 127 | 166 | 200 | — | — | 215 | 481 | 601 | 766 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 146 | 146 | 146 | 384 | 146 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 10 | 10 | 10 | 6 | 400 | 366 | 366 | 67 | 67 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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