Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (25 Sep):
- Afternoon surf: Afternoon surf (25 Sep, local time) - 10ft (3.0m), 14s period with WNW swell.
- Evening surf: Evening surf (25 Sep, local time) - 8ft (2.5m), 13s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 9PM is: 2.5m 13s primary swell from a West-northwest direction (forecast issued at 06:00pm September 25). The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Sep) | - | - |
| Afternoon (25 Sep) | 10ft (3.0m) | 14s |
| Evening (25 Sep) | 8ft (2.5m) | 13s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Sun morning. Very mild (max 17°C on Sat afternoon, min 9°C on Sun night). Winds decreasing (strong winds from the S on Sat night, light winds from the S by Mon morning). | |||||||||||||||||||
Fri 25 | Saturday 26 | Sunday 27 | |||||||||||||||||
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 14 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | WNW 11 | W 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 3662 | 2801 | 2329 | 2277 | 2102 | 1609 | 1220 | 1046 | 891 | 726 | 787 | 726 | 783 | 862 | 918 | 705 | 1027 | 1216 | 1045 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-on | cross-off | cross | cross | cross |
High Tide | 6:18PM3.34m | 6:35AM3.13m | 6:48PM3.48m | 7:06AM3.26m | 7:20PM3.55m | ||||||||||||||
Low Tide | 00:27AM0.16m | 12:31PM0.14m | 00:57AM0.02m | 1:03PM0.03m | |||||||||||||||
 |  |  | | | |  | | | | | |  |  |  |  | | | | |
 | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — |
 | — | 7:22 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:17 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 5 | — | — | — |
Temp °C | 15 | 14 | 13 | 13 | 13 | 13 | 14 | 16 | 17 | 16 | 14 | 14 | 13 | 14 | 10 | 12 | 13 | 13 | 12 |
Feels °C | 9 | 8 | 7 | 5 | 6 | 7 | 8 | 10 | 12 | 11 | 7 | 8 | 5 | 6 | 6 | 8 | 6 | 7 | 7 |
Swell 1 Height (m) Direction Period (s) | WNW 14 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | WNW 11 | W 11 | WNW 11 | N 13 | WNW 11 | WNW 11 |
| kJ | 3662 | 2801 | 2329 | 2277 | 2102 | 1609 | 1220 | 1046 | 891 | 726 | 787 | 726 | 783 | 862 | 918 | 705 | 3 | 1216 | 1045 |
Swell 2 Height (m) Direction Period (s) | N 10 | — | — | — | N 10 | N 10 | N 10 | N 10 | — | — | — | — | — | — | — | N 14 | — | N 12 | NNW 12 |
| kJ | 2 | — | — | — | 2 | 2 | 2 | 2 | — | — | — | — | — | — | — | 4 | — | 12 | 14 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | S 3 | S 3 | S 4 | — | — | WNW 11 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 5 | 8 | 19 | — | — | 1027 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 36 | 36 | 36 | 36 | 72 | 366 | 146 | 67 | 366 | 467 | 432 | 0 | 60 | 60 | 421 | 366 | 146 | 17 | 60 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
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