Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 8ft (2.5m), 12s period with WNW swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 8ft (2.4m), 13s period with WNW swell.
- Evening surf: Evening surf (12 Sep, local time) - 6.5ft (2.0m), 12s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 12PM is: 2.5m 12s primary swell from a West-northwest direction and 0.1m 10s secondary swell from a North direction (forecast issued at 06:00am September 12). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 8ft (2.5m) | 12s |
| Afternoon (12 Sep) | 8ft (2.4m) | 13s |
| Evening (12 Sep) | 6.5ft (2.0m) | 12s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Sat morning. Warm (max 20°C on Mon afternoon, min 12°C on Sat night). Winds decreasing (fresh winds from the WSW on Sat morning, light winds from the SSE by Sun morning). | |||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | |||||||||||||||||||||
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 13 | WNW 12 | WNW 12 | WNW 12 | WNW 13 | NW 12 | WNW 12 | WNW 12 | WNW 11 | NW 11 | WNW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | N 13 | NNW 13 | NNW 13 | NNW 13 | W 8 | W 9 | W 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1321 | 1621 | 1778 | 1928 | 1720 | 1344 | 1119 | 956 | 634 | 551 | 513 | 308 | 240 | 208 | 177 | 118 | 82 | 133 | 135 | 133 | 165 | 258 | 343 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | off | off | on | cross-off | off | off | cross-off | off | off | cross-off | cross-off | cross-off | cross |
High Tide | 7:32AM3.32m | 7:48PM3.68m | 8:05AM3.31m | 8:22PM3.53m | 8:38AM3.23m | 8:54PM3.31m | |||||||||||||||||
Low Tide | 1:27PM-0.10m | 1:56AM-0.07m | 2:03PM-0.03m | 2:28AM0.06m | 2:38PM0.12m | ||||||||||||||||||
 |  |  | | |  |  | |  | |  | | | | | | | | | | | |  | |
 | 6:56 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:57 | — | — | — | — | — | — | — | 7:53 | — | — | — | — | — | — | — | 7:52 | — |
mm | 5 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 17 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 15 | 16 | 17 | 17 | 16 | 16 | 16 | 16 | 19 | 20 | 18 | 14 |
Feels °C | 10 | 10 | 10 | 12 | 10 | 12 | 12 | 12 | 12 | 11 | 10 | 14 | 15 | 16 | 15 | 14 | 14 | 15 | 13 | 16 | 17 | 13 | 11 |
Swell 1 Height (m) Direction Period (s) | WNW 13 | N 10 | N 10 | WNW 12 | WNW 13 | NW 12 | WNW 12 | WNW 12 | WNW 11 | NW 11 | WNW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | W 8 | W 8 | W 8 | W 8 | N 12 | W 9 |
| kJ | 1321 | 2 | 2 | 1928 | 1720 | 1344 | 1119 | 956 | 634 | 551 | 513 | 308 | 240 | 208 | 177 | 118 | 79 | 68 | 116 | 107 | 165 | 108 | 343 |
Swell 2 Height (m) Direction Period (s) | — | — | — | N 10 | — | — | — | — | — | — | — | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | NW 9 | NNW 13 | NNW 13 | NNW 13 | WNW 11 | N 12 |
| kJ | — | — | — | 2 | — | — | — | — | — | — | — | 62 | 62 | 42 | 41 | 25 | 56 | 64 | 135 | 133 | 125 | 48 | 104 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | N 16 | NNW 15 | NNW 14 | NNW 13 | N 13 | NNW 13 | W 13 | WNW 12 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 19 | 21 | 38 | 58 | 82 | 133 | 4 | 13 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | WNW 12 | WNW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 9 | — |
| kJ | — | 1621 | 1778 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 258 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 366 | 36 | 67 | 366 | 146 | 28 | 21 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 6 | 0 | 0 | 17 | 10 | 10 | 6 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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