Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 5.5ft (1.7m), 13s period with NW swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 5ft (1.6m), 13s period with NW swell.
- Evening surf: Evening surf (20 Oct, local time) - 5ft (1.5m), 13s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 1PM is: 1.7m 13s primary swell from a West-northwest direction (forecast issued at 06:00am October 20). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 5.5ft (1.7m) | 13s |
| Afternoon (20 Oct) | 5ft (1.6m) | 13s |
| Evening (20 Oct) | 5ft (1.5m) | 13s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Thu night. Very mild (max 13°C on Tue morning, min 7°C on Wed night). Winds decreasing (near gales from the NW on Wed morning, light winds from the ESE by Thu night). | |||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | |||||||||||||||||||||
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) | WNW 14 | NW 13 | WNW 13 | WNW 13 | NW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | NW 11 | NW 10 | NW 12 | NW 13 | NW 13 | NW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1487 | 1144 | 946 | 918 | 841 | 784 | 760 | 953 | 1580 | 3344 | 2481 | 3021 | 2783 | 2274 | 1789 | 1317 | 1126 | 878 | 710 | 735 | 653 | 619 | 650 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | cross-off | off | off | cross-off | on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off |
High Tide | 2:58PM2.38m | 3:33AM2.21m | 3:51PM2.60m | 4:18AM2.44m | 4:31PM2.83m | ||||||||||||||||||
Low Tide | 8:21AM1.26m | 9:27PM1.13m | 9:27AM1.06m | 10:11PM0.87m | 10:12AM0.83m | ||||||||||||||||||
 |  |  |  |  | | |  |  | |  | | | | |  | | | | | | | | |
 | — | 8:08 | — | — | — | — | — | — | — | 8:11 | — | — | — | — | — | — | — | 8:12 | — | — | — | — | — |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | — | — | — | — | — | — | — | — | 3 | 3 | 4 | 1 | — | — | — | 1 | — | — | — | — | — | — | — |
Temp °C | 9 | 9 | 10 | 13 | 13 | 11 | 10 | 10 | 10 | 10 | 8 | 10 | 10 | 10 | 10 | 8 | 7 | 8 | 9 | 11 | 12 | 10 | 10 |
Feels °C | 3 | 2 | 2 | 6 | 8 | 5 | 5 | 6 | 8 | 8 | -3 | 0 | 1 | 2 | 5 | 4 | 2 | 4 | 5 | 7 | 8 | 6 | 8 |
Swell 1 Height (m) Direction Period (s) | WNW 14 | NW 13 | WNW 13 | WNW 13 | NW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | — | — | — | — | NW 13 | NW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 |
| kJ | 1487 | 1144 | 946 | 918 | 841 | 784 | 760 | 953 | 1580 | — | — | — | — | 2274 | 1789 | 1317 | 1126 | 878 | 710 | 735 | 653 | 619 | 650 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SW 4 | — | — | — | — | — | — | — | — | — | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 6 | NNW 7 | NNW 7 |
| kJ | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | 25 | 96 | 64 | 44 | 30 | 31 | 14 | 15 | 9 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | S 3 | SSE 4 | S 4 | SSE 3 | — | — | — | — | NW 11 | NW 10 | NW 12 | NW 13 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 5 | 10 | 9 | 4 | — | — | — | — | 3344 | 2481 | 3021 | 2783 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 13 | 56 | 56 | 56 | 0 | 13 | 0 | 0 | 0 | 28 | 128 | 331 | 325 | 128 | 14 | 5 | 6 | 6 | 0 | 36 | 0 | 0 | 0 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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