Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (30 Sep):
- Morning surf: Morning surf (30 Sep, local time) - 1.5ft (0.5m), 12s period with W swell.
- Afternoon surf: Afternoon surf (30 Sep, local time) - 2ft (0.6m), 10s period with W swell.
- Evening surf: Evening surf (30 Sep, local time) - 7ft (2.1m), 13s period with W swell.
The current surf forecast for Ballyhiernan Bay at 8PM is: 1.3m 12s primary swell from a West direction and 0.2m 10s secondary swell from a North direction (forecast issued at 12:00pm September 30). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | 1.5ft (0.5m) | 12s |
| Afternoon (30 Sep) | 2ft (0.6m) | 10s |
| Evening (30 Sep) | 7ft (2.1m) | 13s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Fri morning. Very mild (max 16°C on Wed morning, min 11°C on Wed night). Winds decreasing (strong winds from the SSE on Wed morning, moderate winds from the SW by Fri night). | |||||||||||||||||||||
Wed 30 | Thursday 1 | Friday 2 | |||||||||||||||||||
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 11 | W 10 | W 9 | W 12 | W 13 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 61 | 73 | 87 | 461 | 1538 | 3987 | 5404 | 5104 | 4334 | 3709 | 2965 | 2369 | 1862 | 1532 | 1237 | 1045 | 835 | 892 | 901 | 861 | 536 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | cross | cross | cross | cross |
High Tide | 8:48AM3.24m | 9:08PM3.21m | 9:29AM3.08m | 9:54PM2.93m | 10:19AM2.86m | ||||||||||||||||
Low Tide | 2:52PM0.19m | 3:14AM0.33m | 3:37PM0.42m | 3:59AM0.59m | 4:32PM0.70m | ||||||||||||||||
 |  | | |  |  |  | | | | |  |  | | | | |  |  | | | |
 | 7:30 | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — |
 | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:05 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 3 | 1 | — | — |
Temp °C | 14 | 16 | 16 | 14 | 13 | 12 | 11 | 11 | 11 | 14 | 15 | 15 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 12 |
Feels °C | 6 | 8 | 9 | 6 | 7 | 7 | 6 | 6 | 6 | 8 | 8 | 8 | 7 | 8 | 9 | 9 | 8 | 7 | 8 | 8 | 7 |
Swell 1 Height (m) Direction Period (s) | W 11 | W 10 | W 9 | W 12 | W 13 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 |
| kJ | 61 | 73 | 87 | 461 | 1538 | 3987 | 5404 | 5104 | 4334 | 3709 | 2965 | 2369 | 1862 | 1532 | 1237 | 1045 | 835 | 892 | 901 | 861 | 536 |
Swell 2 Height (m) Direction Period (s) | N 10 | WNW 12 | WNW 12 | N 10 | N 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 8 | 15 | 49 | 7 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | N 10 | N 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 7 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 4 | S 4 | SSW 4 | S 4 | — | — | — | — | — | — | — | — | — | — | — | — | SSE 3 | — | — | — | W 5 |
| kJ | 17 | 18 | 26 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | 57 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 318 | 325 | 325 | 325 | 60 | 0 | 50 | 50 | 50 | 50 | 50 | 325 | 50 | 8 | 26 | 50 | 50 | 36 | 28 | 36 | 36 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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