Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 3ft (0.9m), 10s period with WNW swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 4.5ft (1.4m), 14s period with WNW swell.
- Evening surf: Evening surf (18 Oct, local time) - 4.5ft (1.4m), 12s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 10AM is: 1.0m 10s primary swell from a West-northwest direction and 0.5m 11s secondary swell from a North direction (forecast issued at 06:00am October 18). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 3ft (0.9m) | 10s |
| Afternoon (18 Oct) | 4.5ft (1.4m) | 14s |
| Evening (18 Oct) | 4.5ft (1.4m) | 12s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Tue night. Very mild (max 12°C on Mon afternoon, min 8°C on Sun morning). Wind will be generally light. | |||||||||||||||||||||||
Sunday 18 | Monday 19 | Tuesday 20 | |||||||||||||||||||||
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) | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 14 | WNW 13 | WNW 12 | W 12 | W 11 | NW 16 | WNW 15 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 14 | NW 13 | WNW 13 | WNW 13 | WNW 13 | NW 13 | WNW 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 196 | 166 | 186 | 218 | 778 | 713 | 519 | 404 | 305 | 371 | 1178 | 1415 | 1576 | 1626 | 1604 | 1428 | 1347 | 1144 | 1045 | 918 | 904 | 828 | 749 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | off | off | off | off | off | off | off | off | off | cross-off | off | off | off | off | off | off | off | cross-off | off |
High Tide | 11:44AM2.31m | 00:26AM2.01m | 1:31PM2.25m | 2:21AM2.04m | 2:58PM2.38m | ||||||||||||||||||
Low Tide | 6:19PM1.36m | 6:37AM1.33m | 8:14PM1.33m | 8:21AM1.26m | 9:27PM1.13m | ||||||||||||||||||
 | |  | | | | | | | | | | |  | | | | |  |  | | | | |
 | — | 8:04 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:08 | — | — | — | — | — |
 | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:20 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 8 | 8 | 8 | 8 | 10 | 10 | 9 | 8 | 8 | 8 | 8 | 9 | 12 | 12 | 11 | 10 | 9 | 9 | 10 | 12 | 12 | 11 | 10 |
Feels °C | 4 | 4 | 4 | 6 | 8 | 7 | 5 | 4 | 3 | 3 | 3 | 4 | 8 | 9 | 7 | 6 | 5 | 4 | 5 | 7 | 7 | 7 | 6 |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 14 | WNW 13 | WNW 12 | W 12 | W 11 | W 11 | WNW 15 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 14 | NW 13 | WNW 13 | WNW 13 | WNW 13 | NW 13 | WNW 13 |
| kJ | 196 | 166 | 186 | 218 | 778 | 713 | 519 | 404 | 305 | 198 | 1178 | 1415 | 1576 | 1626 | 1604 | 1428 | 1347 | 1144 | 1045 | 918 | 904 | 828 | 749 |
Swell 2 Height (m) Direction Period (s) | N 12 | N 12 | N 11 | WNW 16 | NNW 11 | N 11 | N 10 | NW 18 | NW 16 | NW 16 | N 12 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 139 | 101 | 66 | 94 | 38 | 20 | 18 | 80 | 214 | 371 | 3 | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | WNW 17 | NNW 11 | — | — | NW 19 | N 10 | N 10 | NW 20 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 27 | 39 | — | — | 15 | 8 | 8 | 61 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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