Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (16 Sep):
- Afternoon surf: Afternoon surf (16 Sep, local time) - 6ft (1.8m), 10s period with WNW swell.
- Evening surf: Evening surf (16 Sep, local time) - 7ft (2.1m), 9s period with W swell.
The current surf forecast for Ballyhiernan Bay at 11PM is: 2.2m 9s primary swell from a West direction and 0.3m 9s secondary swell from a North-northwest direction (forecast issued at 06:00pm September 16). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | - | - |
| Afternoon (16 Sep) | 6ft (1.8m) | 10s |
| Evening (16 Sep) | 7ft (2.1m) | 9s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Wed night. Very mild (max 16°C on Fri afternoon, min 12°C on Wed night). Winds decreasing (strong winds from the WSW on Wed night, moderate winds from the SSW by Fri morning). | |||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | |||||||||||||||||
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 | WNW 9 | WNW 9 | WNW 10 | WNW 11 | WNW 13 | NW 14 | NW 15 | NW 15 | NW 14 | NW 14 | NW 13 | NW 13 | NW 12 | WNW 12 | WNW 12 | WNW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 574 | 561 | 720 | 773 | 1119 | 1885 | 3458 | 5906 | 9828 | 11096 | 8932 | 7835 | 6308 | 4956 | 3741 | 2466 | 2386 | 2187 | 1675 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross |
High Tide | 10:00PM2.73m | 10:18AM2.67m | 10:38PM2.44m | 11:03AM2.43m | |||||||||||||||
Low Tide | 3:49PM0.63m | 4:04AM0.80m | 4:29PM0.93m | 4:44AM1.07m | 5:23PM1.22m | ||||||||||||||
 |  |  |  |  | | |  | | |  | | | | |  | | |  | |
 | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — |
 | — | 7:45 | — | — | — | — | — | — | — | 7:44 | — | — | — | — | — | — | — | 7:40 | — |
mm | — | — | 3 | — | — | 1 | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 1 |
Temp °C | 14 | 15 | 15 | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 14 | 16 | 16 | 16 |
Feels °C | 8 | 8 | 8 | 5 | 4 | 2 | 3 | 3 | 3 | 4 | 5 | 5 | 7 | 7 | 8 | 9 | 9 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | N 9 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | N 8 | — | — | — | — | — | — | NW 13 | NW 13 | NW 12 | — | — | — |
| kJ | 574 | 6 | 15 | 25 | 24 | 14 | 5 | — | — | — | — | — | — | 4956 | 3741 | 2466 | — | — | — |
Swell 2 Height (m) Direction Period (s) | N 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | W 9 | W 9 | WNW 9 | WNW 9 | WNW 10 | WNW 11 | WNW 13 | NW 14 | NW 15 | NW 15 | NW 14 | NW 14 | — | — | — | WNW 12 | WNW 12 | WNW 11 |
| kJ | — | 561 | 720 | 773 | 1119 | 1885 | 3458 | 5906 | 9828 | 11096 | 8932 | 7835 | 6308 | — | — | — | 2386 | 2187 | 1675 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 67 | 380 | 336 | 391 | 380 | 398 | 1021 | 794 | 794 | 794 | 794 | 366 | 779 | 366 | 36 | 60 | 83 | 67 | 67 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
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