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 11AM is: 1.5m 12s primary swell from a West-northwest direction and 1.2m 13s secondary swell from a North direction (forecast issued at 06:00am 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 Mon afternoon, min 7°C on Sun night). Winds increasing (calm on Sun afternoon, fresh winds from the SSE by Mon night). | |||||||||||||||||||||||
Saturday 17 | Sunday 18 | Monday 19 | |||||||||||||||||||||
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 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 12 | W 12 | W 11 | NW 16 | WNW 15 | NW 15 | NW 15 | NW 14 | NW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 532 | 522 | 565 | 459 | 386 | 379 | 291 | 242 | 196 | 166 | 154 | 218 | 389 | 724 | 537 | 411 | 311 | 371 | 1178 | 1434 | 1446 | 1626 | 1761 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross | cross-off | off | off | off | off | off | off | off | glassy | off | off | off | off | off | off | off | off | off | off |
High Tide | 10:34AM2.50m | 10:57PM2.18m | 11:44AM2.31m | 00:26AM2.01m | 1:31PM2.25m | ||||||||||||||||||
Low Tide | 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 | 9 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 10 | 10 | 9 | 9 | 8 | 7 | 7 | 9 | 12 | 11 | 9 |
Feels °C | 6 | 6 | 8 | 7 | 8 | 8 | 6 | 6 | 4 | 4 | 5 | 6 | 9 | 8 | 6 | 5 | 3 | 2 | 2 | 5 | 7 | 6 | 3 |
Swell 1 Height (m) Direction Period (s) | 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 14 | WNW 13 | WNW 12 | W 12 | W 11 | W 11 | WNW 15 | NW 15 | NW 15 | NW 14 | NW 14 |
| kJ | 532 | 522 | 565 | 459 | 386 | 379 | 291 | 242 | 196 | 166 | 154 | 218 | 389 | 724 | 537 | 411 | 311 | 195 | 1178 | 1434 | 1446 | 1626 | 1761 |
Swell 2 Height (m) Direction Period (s) | NNW 9 | NNW 13 | NNW 13 | N 13 | N 12 | NNW 12 | N 12 | N 12 | N 12 | N 12 | N 11 | NNW 11 | WNW 9 | N 11 | N 10 | NW 18 | NW 16 | NW 16 | N 12 | — | — | — | — |
| kJ | 186 | 437 | 507 | 395 | 309 | 244 | 184 | 141 | 139 | 101 | 66 | 39 | 144 | 20 | 18 | 80 | 214 | 371 | 3 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | N 13 | NNW 7 | — | NW 8 | — | — | — | — | — | — | WNW 16 | WNW 15 | NNW 11 | — | NW 19 | N 10 | N 10 | NW 20 | — | — | — | — | — |
| kJ | 355 | 79 | — | 3 | — | — | — | — | — | — | 27 | 93 | 38 | — | 15 | 8 | 7 | 61 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 83 | 59 | 10 | 13 | 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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