Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (17 Oct):
- Morning surf: Morning surf (17 Oct, local time) - 5ft (1.5m), 12s period with WNW swell.
- Afternoon surf: Afternoon surf (17 Oct, local time) - 4.5ft (1.3m), 11s period with WNW swell.
- Evening surf: Evening surf (17 Oct, local time) - 4ft (1.2m), 11s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 9AM is: 1.5m 12s primary swell from a West-northwest direction and 1.2m 13s secondary swell from a North-northwest direction (forecast issued at 12:00am October 17). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | 5ft (1.5m) | 12s |
| Afternoon (17 Oct) | 4.5ft (1.3m) | 11s |
| Evening (17 Oct) | 4ft (1.2m) | 11s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 12°C on Fri night, min 7°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 17 | Sunday 18 | Monday 19 | ||||||||||||||||||||||
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 | 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 12 | WNW 12 | WNW 11 | WNW 12 | N 13 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 14 | WNW 13 | WNW 13 | W 12 | W 12 | NW 16 | WNW 15 | NW 15 | NW 15 | NW 14 | NW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 612 | 532 | 522 | 565 | 459 | 386 | 379 | 291 | 242 | 196 | 166 | 186 | 223 | 389 | 724 | 563 | 411 | 330 | 653 | 1423 | 1641 | 1672 | 1785 | 1785 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | glassy | glassy | glassy | off | off | off | off | off | off | off | glassy | glassy | off | off | off | off | off | off | off | cross-off | off |
High Tide | 10:06PM2.42m | 10:34AM2.50m | 10:57PM2.18m | 11:44AM2.31m | 00:26AM2.01m | 1:31PM2.25m | ||||||||||||||||||
Low Tide | 4:09AM1.02m | 4:53PM1.19m | 5:04AM1.23m | 6:19PM1.36m | 6:37AM1.33m | 8:14PM1.33m | ||||||||||||||||||
 | | |  | | | | | | | | | | | | | | | | | | | | | |
 | — | — | 8:03 | — | — | — | — | — | — | — | 8:04 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — |
 | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 9 | 10 | 10 | 10 | 9 | 8 | 7 | 7 | 9 | 12 | 11 | 10 |
Feels °C | 5 | 6 | 7 | 8 | 8 | 8 | 8 | 6 | 6 | 5 | 4 | 5 | 7 | 9 | 9 | 7 | 5 | 3 | 2 | 2 | 4 | 7 | 8 | 4 |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 11 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 13 | WNW 13 | W 12 | W 12 | NW 16 | WNW 15 | NW 15 | NW 15 | NW 14 | NW 14 |
| kJ | 612 | 532 | 522 | 565 | 459 | 386 | 379 | 291 | 242 | 196 | 166 | 186 | 223 | 197 | 724 | 563 | 411 | 330 | 653 | 1423 | 1641 | 1672 | 1785 | 1785 |
Swell 2 Height (m) Direction Period (s) | NNW 8 | NNW 9 | NNW 13 | NNW 13 | N 13 | N 12 | NNW 12 | N 12 | N 12 | N 12 | N 12 | N 11 | WNW 15 | WNW 14 | N 11 | N 10 | NW 18 | NW 16 | W 11 | — | — | — | — | — |
| kJ | 183 | 186 | 437 | 507 | 395 | 309 | 244 | 184 | 141 | 139 | 101 | 66 | 93 | 389 | 20 | 18 | 154 | 274 | 184 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | N 13 | N 13 | NNW 7 | — | NW 8 | — | — | — | — | — | — | WNW 17 | NNW 11 | NNW 11 | — | WNW 19 | N 10 | N 10 | N 12 | — | — | — | — | — |
| kJ | 361 | 355 | 79 | — | 3 | — | — | — | — | — | — | 27 | 39 | 38 | — | 37 | 8 | 7 | 11 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 83 | 83 | 59 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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