Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 10ft (3.0m), 11s period with WNW swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 11ft (3.5m), 11s period with WNW swell.
- Evening surf: Evening surf (19 Sep, local time) - 11ft (3.5m), 12s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 9PM is: 3.5m 12s primary swell from a West-northwest direction (forecast issued at 12:00pm September 19). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 10ft (3.0m) | 11s |
| Afternoon (19 Sep) | 11ft (3.5m) | 11s |
| Evening (19 Sep) | 11ft (3.5m) | 12s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sun night. Warm (max 21°C on Mon afternoon, min 12°C on Sun morning). Winds decreasing (strong winds from the WSW on Sat night, light winds from the SW by Sun afternoon). | |||||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | |||||||||||||||||||
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 11 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | NW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 10 | WNW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2339 | 2475 | 2771 | 3082 | 3313 | 3388 | 3071 | 2561 | 2077 | 1673 | 1375 | 1213 | 1117 | 871 | 658 | 569 | 612 | 534 | 467 | 348 | 341 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 12:21PM2.22m | 1:21AM2.01m | 2:32PM2.20m | 3:23AM2.09m | 3:56PM2.40m | ||||||||||||||||
Low Tide | 7:01PM1.41m | 7:38AM1.40m | 9:09PM1.35m | 9:23AM1.26m | |||||||||||||||||
 |  | | |  | | |  | |  | | |  | |  | | | | | | | |
 | 7:09 | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — |
 | — | — | — | 7:38 | — | — | — | — | — | — | — | 7:36 | — | — | — | — | — | — | — | 7:32 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — |
Temp °C | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 13 | 13 | 14 | 17 | 18 | 20 | 21 | 20 | 18 |
Feels °C | 5 | 4 | 4 | 3 | 3 | 3 | 4 | 5 | 7 | 6 | 7 | 10 | 9 | 7 | 10 | 15 | 15 | 17 | 19 | 19 | 17 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | WNW 11 | WNW 11 | NW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 10 | WNW 10 |
| kJ | — | — | — | — | — | — | — | — | — | 1673 | 1375 | 1213 | 1117 | 871 | 658 | 569 | 612 | 534 | 467 | 348 | 341 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NNW 8 | NNW 8 | NNW 8 | NNW 8 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 67 | 64 | 49 | 35 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 11 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | — | — | — | — | — | SSW 2 | — | — | — | — | — | — |
| kJ | 2339 | 2475 | 2771 | 3082 | 3313 | 3388 | 3071 | 2561 | 2077 | — | — | — | — | — | 1 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 780 | 803 | 580 | 380 | 366 | 366 | 366 | 348 | 128 | 128 | 128 | 0 | 0 | 26 | 0 | 28 | 28 | 28 | 28 | 0 | 0 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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