Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (12 Sep):
- Afternoon surf: Afternoon surf (12 Sep, local time) - 5ft (1.6m), 9s period with WNW swell.
- Evening surf: Evening surf (12 Sep, local time) - 5.5ft (1.7m), 10s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 12AM is: 1.7m 11s primary swell from a West-northwest direction and 0.8m 14s secondary swell from a Northwest direction (forecast issued at 06:00pm September 11). The wind direction is predicted to be offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | - | - |
| Afternoon (12 Sep) | 5ft (1.6m) | 9s |
| Evening (12 Sep) | 5.5ft (1.7m) | 10s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Fri night. Very mild (max 18°C on Mon morning, min 11°C on Sun morning). Winds decreasing (strong winds from the SW on Fri night, calm by Sun afternoon). | |||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | |||||||||||||||||
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 9 | WNW 9 | WNW 11 | WNW 11 | WNW 13 | WNW 12 | WNW 12 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | NW 12 | WNW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 426 | 368 | 726 | 575 | 1442 | 1499 | 1678 | 1818 | 1622 | 1177 | 988 | 872 | 634 | 551 | 458 | 355 | 273 | 208 | 177 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | off | off | cross-off | cross-off | cross | cross | on | on | cross-on | cross-on | cross | cross-off | off | glassy | glassy | cross-on | off |
High Tide | 7:13PM3.72m | 7:32AM3.32m | 7:48PM3.68m | 8:05AM3.31m | 8:22PM3.53m | ||||||||||||||
Low Tide | 1:22AM-0.12m | 1:27PM-0.10m | 1:56AM-0.07m | 2:03PM-0.03m | |||||||||||||||
 | |  |  | |  |  | | | |  | | |  | | | | | | |
 | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — |
 | — | 7:59 | — | — | — | — | — | — | — | 7:57 | — | — | — | — | — | — | — | 7:53 | — |
mm | — | — | — | 5 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 14 | 12 | 14 | 17 | 16 | 16 | 14 | 13 | 13 | 13 | 13 | 12 | 11 | 14 | 16 | 15 | 17 |
Feels °C | 11 | 13 | 9 | 5 | 8 | 10 | 11 | 12 | 11 | 11 | 11 | 11 | 12 | 11 | 9 | 13 | 15 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | WNW 11 | WNW 11 | WNW 13 | N 10 | N 10 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | NW 12 | WNW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 |
| kJ | 426 | 368 | 726 | 575 | 1442 | 2 | 2 | 1818 | 1622 | 1177 | 988 | 872 | 634 | 551 | 458 | 355 | 273 | 208 | 177 |
Swell 2 Height (m) Direction Period (s) | — | NW 12 | NW 15 | NW 13 | — | — | — | N 10 | — | — | — | — | — | — | — | W 9 | W 9 | W 9 | W 9 |
| kJ | — | 137 | 77 | 398 | — | — | — | 2 | — | — | — | — | — | — | — | 62 | 62 | 42 | 41 |
Swell 3 Height (m) Direction Period (s) | — | NW 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 16 | NNW 15 | NNW 14 |
| kJ | — | 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 20 | 21 | 38 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | WNW 12 | WNW 12 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 1499 | 1678 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 28 | 0 | 5 | 50 | 366 | 36 | 67 | 366 | 90 | 128 | 28 | 28 | 26 | 0 | 0 | 0 | 0 | 5 | 0 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
Header Global | |||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Ballyhiernan Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest