Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (09 Oct):
- Morning surf: Morning surf (09 Oct, local time) - 8ft (2.5m), 9s period with WNW swell.
- Afternoon surf: Afternoon surf (09 Oct, local time) - 10ft (3.0m), 9s period with WNW swell.
- Evening surf: Evening surf (09 Oct, local time) - 13ft (4.0m), 11s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 3AM is: 2.3m 9s primary swell from a West direction and 0.2m 8s secondary swell from a North direction (forecast issued at 06:00pm October 08). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Oct) | 8ft (2.5m) | 9s |
| Afternoon (09 Oct) | 10ft (3.0m) | 9s |
| Evening (09 Oct) | 13ft (4.0m) | 11s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 31mm), heaviest during Thu night. Very mild (max 15°C on Thu night, min 9°C on Sun morning). Winds decreasing (near gales from the WNW on Fri night, light winds from the WSW by Sat night). | |||||||||||||||||||
Thu 8 | Friday 9 | Saturday 10 | |||||||||||||||||
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 11 | W 8 | W 9 | W 9 | W 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 346 | 443 | 632 | 690 | 1005 | 1256 | 1282 | 1317 | 1874 | 2620 | 3829 | 5026 | 5664 | 6839 | 7100 | 6415 | 5432 | 4261 | 3563 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 5:34PM3.39m | 5:58AM3.11m | 6:12PM3.50m | 6:33AM3.24m | 6:47PM3.53m | ||||||||||||||
Low Tide | 11:47PM0.13m | 11:52AM0.15m | 00:21AM0.02m | 12:29PM0.05m | |||||||||||||||
 |  |  | | |  | |  | | | | | | |  |  | |  | | |
 | — | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:48 | — | — | — | — | — |
 | 6:50 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | 5 | 7 | 1 | 8 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — |
Temp °C | 10 | 14 | 14 | 15 | 15 | 13 | 12 | 12 | 11 | 12 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 11 | 11 |
Feels °C | 3 | 8 | 9 | 10 | 8 | 4 | 3 | 2 | -1 | 1 | -1 | -1 | -2 | -1 | -1 | 1 | 2 | 3 | 3 |
Swell 1 Height (m) Direction Period (s) | WNW 11 | N 8 | N 8 | N 8 | N 8 | N 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 346 | 5 | 5 | 5 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | NNW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | N 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 3 | W 8 | W 9 | W 9 | W 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 |
| kJ | 5 | 443 | 632 | 690 | 1005 | 1256 | 1282 | 1317 | 1874 | 2620 | 3829 | 5026 | 5664 | 6839 | 7100 | 6415 | 5432 | 4261 | 3563 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 334 | 380 | 150 | 67 | 380 | 398 | 419 | 1063 | 1203 | 785 | 785 | 785 | 859 | 794 | 794 | 794 | 794 | 366 | 361 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
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