Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 11ft (3.5m), 13s period with NW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 10ft (3.0m), 12s period with WNW swell.
- Evening surf: Evening surf (18 Sep, local time) - 10ft (3.0m), 11s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 1PM is: 3.0m 12s primary swell from a Northwest direction (forecast issued at 06:00am September 18). The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 11ft (3.5m) | 13s |
| Afternoon (18 Sep) | 10ft (3.0m) | 12s |
| Evening (18 Sep) | 10ft (3.0m) | 11s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Sun night. Very mild (max 17°C on Sun night, min 11°C on Sun night). Winds decreasing (strong winds from the WSW on Fri night, calm by Sun afternoon). | |||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||||||||
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) | NW 14 | NW 13 | NW 13 | NW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | NW 12 | NW 11 | WNW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 5574 | 4398 | 3436 | 2329 | 2671 | 2243 | 1887 | 1615 | 1485 | 1773 | 2258 | 2721 | 3262 | 3435 | 3388 | 3527 | 3124 | 2605 | 2150 | 1825 | 1572 | 1256 | 1062 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | glassy | off |
High Tide | 11:03AM2.43m | 11:32PM2.17m | 12:21PM2.22m | 1:21AM2.01m | 2:32PM2.20m | ||||||||||||||||||
Low Tide | 5:23PM1.22m | 5:44AM1.31m | 7:01PM1.41m | 7:38AM1.40m | 9:09PM1.35m | ||||||||||||||||||
 |  |  | | |  |  | | | |  | | | |  | | | | | | | | | |
 | — | 7:07 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — |
 | — | — | — | — | — | 7:40 | — | — | — | — | — | — | — | 7:38 | — | — | — | — | — | — | — | 7:36 | — |
mm | — | — | 1 | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 |
Temp °C | 13 | 13 | 12 | 14 | 16 | 16 | 16 | 14 | 15 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 11 |
Feels °C | 6 | 7 | 7 | 8 | 9 | 9 | 9 | 7 | 7 | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 4 | 5 | 6 | 8 | 9 | 13 | 6 |
Swell 1 Height (m) Direction Period (s) | NW 14 | NW 13 | NW 13 | NW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 12 | NW 12 | NW 11 | WNW 12 |
| kJ | 5574 | 4398 | 3436 | 2329 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1825 | 1572 | 1256 | 1062 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 9 | NNW 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 27 | 101 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | — | — | — | — |
| kJ | — | — | — | — | 2671 | 2243 | 1887 | 1615 | 1485 | 1773 | 2258 | 2721 | 3262 | 3435 | 3388 | 3527 | 3124 | 2605 | 2150 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 779 | 36 | 794 | 366 | 366 | 67 | 366 | 779 | 779 | 772 | 779 | 380 | 803 | 341 | 341 | 366 | 347 | 134 | 128 | 128 | 17 | 0 | 0 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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