Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (09 Oct):
- Morning surf: Morning surf (09 Oct, local time) - 8ft (2.5m), 10s period with WNW swell.
- Afternoon surf: Afternoon surf (09 Oct, local time) - 10ft (3.0m), 9s period with WNW swell.
- Evening surf: Evening surf (09 Oct, local time) - 13ft (4.0m), 11s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 7PM is: 3.5m 10s primary swell from a West-northwest direction (forecast issued at 12:00pm October 09). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Oct) | 8ft (2.5m) | 10s |
| Afternoon (09 Oct) | 10ft (3.0m) | 9s |
| Evening (09 Oct) | 13ft (4.0m) | 11s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Fri morning. Very mild (max 14°C on Sun night, min 9°C on Sat night). Winds decreasing (near gales from the WNW on Fri night, light winds from the W by Sat night). | |||||||||||||||||||||
Fri 9 | Saturday 10 | Sunday 11 | |||||||||||||||||||
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) | WNW 10 | WNW 9 | WNW 9 | WNW 10 | WNW 11 | WNW 12 | WNW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NNW 10 | NNW 10 | NNW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1218 | 1294 | 1942 | 2761 | 3934 | 4942 | 5584 | 5792 | 5435 | 4699 | 3760 | 3145 | 2598 | 2257 | 1655 | 1270 | 928 | 626 | 296 | 192 | 101 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | off | off | off | off | cross-off | off |
High Tide | 6:12PM3.50m | 6:33AM3.24m | 6:47PM3.53m | 7:05AM3.31m | 7:20PM3.47m | ||||||||||||||||
Low Tide | 11:52AM0.15m | 00:21AM0.02m | 12:29PM0.05m | 00:53AM-0.00m | 1:03PM0.04m | ||||||||||||||||
 |  | |  | | |  | |  |  | | |  | |  | |  | | |  | | |
 | 7:47 | — | — | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:50 | — | — | — | — | — |
 | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:42 | — | — |
mm | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 12 | 12 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 9 | 9 | 11 | 13 | 12 | 13 |
Feels °C | 3 | 2 | 1 | 1 | -1 | -1 | -2 | -1 | 0 | 0 | 3 | 3 | 6 | 6 | 9 | 6 | 5 | 5 | 7 | 5 | 6 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NNW 10 | NNW 10 | NNW 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 2598 | 2257 | 1655 | 1270 | 928 | 626 | 296 | 192 | 101 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 10 | WNW 10 | WNW 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 143 | 103 | 71 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 10 | WNW 9 | WNW 9 | WNW 10 | WNW 11 | WNW 12 | WNW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | — | — | — | — | — | — | SE 2 | SE 3 | SE 3 |
| kJ | 1218 | 1294 | 1942 | 2761 | 3934 | 4942 | 5584 | 5792 | 5435 | 4699 | 3760 | 3145 | — | — | — | — | — | — | 1 | 3 | 4 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1021 | 1064 | 1143 | 1121 | 1064 | 863 | 859 | 794 | 794 | 794 | 366 | 366 | 145 | 14 | 5 | 0 | 0 | 0 | 56 | 91 | 91 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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