Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 5ft (1.5m), 7s period with W swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 5.5ft (1.7m), 8s period with W swell.
- Evening surf: Evening surf (18 Aug, local time) - 7ft (2.1m), 11s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 7PM is: 2.0m 10s primary swell from a West-northwest direction (forecast issued at 12:00pm August 18). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 5ft (1.5m) | 7s |
| Afternoon (18 Aug) | 5.5ft (1.7m) | 8s |
| Evening (18 Aug) | 7ft (2.1m) | 11s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Tue night. Very mild (max 15°C on Tue morning, min 13°C on Tue night). Winds increasing (light winds from the NW on Wed afternoon, fresh winds from the N by Thu afternoon). | |||||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||
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) | W 8 | W 8 | WNW 9 | WNW 10 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | NNW 8 | NNW 8 | N 8 | N 7 | N 7 | N 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 253 | 333 | 493 | 748 | 954 | 837 | 778 | 603 | 579 | 518 | 518 | 408 | 351 | 289 | 230 | 356 | 416 | 387 | 303 | 286 | 240 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:25AM2.80m | 10:45PM2.81m | 11:05AM2.59m | 11:28PM2.50m | 11:56AM2.38m | ||||||||||||||||
Low Tide | 4:27PM0.60m | 4:54AM0.78m | 5:12PM0.90m | 5:39AM1.05m | 6:12PM1.18m | ||||||||||||||||
 | | | |  |  | |  | |  |  | | |  |  | | |  | | | | |
 | 6:07 | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | 8:59 | — | — | — | — | — | — | — | 8:55 | — | — | — | — | — | — | — | 8:53 | — |
mm | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — |
Temp °C | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 15 | 15 | 15 | 15 | 14 | 15 | 14 | 14 | 13 | 13 | 13 | 13 |
Feels °C | 10 | 9 | 9 | 10 | 9 | 10 | 8 | 9 | 10 | 12 | 13 | 13 | 13 | 10 | 12 | 8 | 8 | 6 | 5 | 5 | 6 |
Swell 1 Height (m) Direction Period (s) | N 7 | N 6 | N 6 | — | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 |
| kJ | 1 | 1 | 1 | — | 954 | 837 | 778 | 603 | 579 | 518 | 518 | 408 | 351 | 289 | 230 | 197 | 129 | 90 | 66 | 64 | 45 |
Swell 2 Height (m) Direction Period (s) | W 16 | W 16 | W 17 | — | — | — | — | W 18 | W 17 | W 17 | W 17 | — | — | N 10 | N 10 | W 16 | W 16 | — | W 16 | W 16 | W 15 |
| kJ | 5 | 5 | 6 | — | — | — | — | 6 | 6 | 6 | 6 | — | — | 7 | 17 | 5 | 5 | — | 5 | 5 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 16 | W 16 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 8 | W 8 | WNW 9 | WNW 10 | — | — | — | — | — | — | — | — | — | N 4 | NNW 5 | NNW 8 | NNW 8 | N 8 | N 7 | N 7 | N 7 |
| kJ | 253 | 333 | 493 | 748 | — | — | — | — | — | — | — | — | — | 7 | 62 | 356 | 416 | 387 | 303 | 286 | 240 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 341 | 341 | 366 | 146 | 28 | 28 | 28 | 28 | 60 | 28 | 60 | 92 | 72 | 98 | 103 | 74 | 62 | 401 | 445 | 347 | 401 |
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