Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (13 Sep):
- Afternoon surf: Afternoon surf (13 Sep, local time) - 8ft (2.4m), 13s period with WNW swell.
- Evening surf: Evening surf (13 Sep, local time) - 6.5ft (2.0m), 12s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 12AM is: 1.9m 12s primary swell from a West-northwest direction (forecast issued at 06:00pm September 12). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | - | - |
| Afternoon (13 Sep) | 8ft (2.4m) | 13s |
| Evening (13 Sep) | 6.5ft (2.0m) | 12s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Mon afternoon. Very mild (max 19°C on Mon morning, min 12°C on Sat night). Winds increasing (calm on Sun morning, strong winds from the SW by Mon night). | |||||||||||||||||||
Sat 12 | Sunday 13 | Monday 14 | |||||||||||||||||
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 11 | NW 11 | WNW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | N 13 | NNW 13 | NNW 13 | N 12 | W 11 | W 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 1720 | 1277 | 1119 | 956 | 634 | 551 | 513 | 348 | 268 | 208 | 177 | 118 | 95 | 119 | 133 | 131 | 113 | 274 | 251 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | glassy | cross-on | cross | off | off | off | off | off | off | off | cross-off | off |
High Tide | 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 | ||||||||||||||
 |  |  | | |  | | | | | |  | | | | |  | | | |
 | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — |
 | — | 7:57 | — | — | — | — | — | — | — | 7:53 | — | — | — | — | — | — | — | 7:52 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — |
Temp °C | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 14 | 15 | 15 | 17 | 16 | 15 | 15 | 17 | 19 | 17 | 18 | 17 |
Feels °C | 10 | 12 | 12 | 12 | 12 | 11 | 11 | 14 | 14 | 14 | 15 | 14 | 13 | 12 | 15 | 18 | 15 | 18 | 15 |
Swell 1 Height (m) Direction Period (s) | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | NW 11 | WNW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | W 8 | W 8 | W 8 | W 11 | W 9 |
| kJ | 1720 | 1277 | 1119 | 956 | 634 | 551 | 513 | 348 | 268 | 208 | 177 | 118 | 95 | 64 | 50 | 86 | 88 | 274 | 251 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 9 | W 9 | W 9 | W 9 | W 9 | N 12 | W 8 | NNW 13 | NNW 13 | N 12 | N 12 | N 12 |
| kJ | — | — | — | — | — | — | — | 62 | 62 | 42 | 41 | 40 | 78 | 51 | 133 | 131 | 113 | 106 | 72 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | N 16 | NNW 15 | NNW 14 | NNW 13 | W 9 | N 13 | WNW 9 | — | WNW 11 | — | — |
| kJ | — | — | — | — | — | — | — | — | 19 | 21 | 37 | 55 | 39 | 119 | 50 | — | 47 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 2 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 146 | 28 | 28 | 13 | 0 | 0 | 0 | 0 | 5 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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