Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 2.5ft (0.8m), 8s period with W swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 3ft (0.9m), 11s period with WNW swell.
- Evening surf: Evening surf (10 Sep, local time) - 3.5ft (1.0m), 10s period with W swell.
The current surf forecast for Ballyhiernan Bay at 1AM is: 0.9m 8s primary swell from a West-northwest direction and 0.6m 7s secondary swell from a North direction (forecast issued at 06:00pm September 09). The wind direction is predicted to be offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 2.5ft (0.8m) | 8s |
| Afternoon (10 Sep) | 3ft (0.9m) | 11s |
| Evening (10 Sep) | 3.5ft (1.0m) | 10s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Fri night. Very mild (max 17°C on Fri night, min 12°C on Wed night). Mainly strong winds. | |||||||||||||||||||
Wed 9 | Thursday 10 | Friday 11 | |||||||||||||||||
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) | NNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | W 7 | W 8 | W 8 | WNW 11 | W 11 | W 10 | W 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 12 | WNW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 151 | 113 | 105 | 94 | 71 | 68 | 74 | 324 | 187 | 716 | 212 | 530 | 163 | 417 | 371 | 396 | 368 | 972 | 1598 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | off | off | off | off | off | cross | cross-off | cross | cross | cross-on | cross-on | cross | cross | cross | cross | off | cross-off |
High Tide | 5:55PM3.44m | 6:19AM3.13m | 6:35PM3.63m | 6:56AM3.26m | 7:13PM3.72m | ||||||||||||||
Low Tide | 00:08AM0.10m | 12:13PM0.09m | 00:47AM-0.06m | 12:51PM-0.06m | |||||||||||||||
 | |  | | | | |  | |  |  | | |  | | | | |  | |
 | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — |
 | — | 8:04 | — | — | — | — | — | — | — | 8:01 | — | — | — | — | — | — | — | 7:59 | — |
mm | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 14 | 15 | 14 | 12 | 12 | 13 | 14 | 15 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 15 |
Feels °C | 10 | 12 | 11 | 7 | 6 | 5 | 7 | 10 | 10 | 9 | 8 | 8 | 7 | 8 | 9 | 11 | 11 | 13 | 9 |
Swell 1 Height (m) Direction Period (s) | NNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | W 7 | W 8 | WNW 11 | WNW 11 | N 7 | W 10 | — | WNW 10 | — | — | WNW 9 | WNW 9 | WNW 12 | WNW 14 |
| kJ | 151 | 113 | 105 | 94 | 71 | 68 | 74 | 25 | 187 | 1 | 212 | — | 163 | — | — | 396 | 368 | 972 | 1598 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | NNW 8 | NNW 8 | N 7 | N 7 | NNW 7 | N 7 | N 7 | N 7 | — | N 8 | — | — | — | — | — | NW 12 | — | — |
| kJ | 140 | 107 | 62 | 40 | 27 | 16 | 8 | 4 | 1 | — | 1 | — | — | — | — | — | 137 | — | — |
Swell 3 Height (m) Direction Period (s) | — | W 13 | W 13 | W 12 | WNW 12 | W 12 | WNW 11 | — | — | — | — | — | — | — | — | — | W 18 | — | — |
| kJ | — | 3 | 3 | 3 | 14 | 3 | 12 | — | — | — | — | — | — | — | — | — | 6 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | S 2 | S 3 | S 4 | W 8 | WSW 6 | W 11 | W 6 | W 10 | WNW 6 | WNW 9 | WNW 9 | — | — | — | — |
| kJ | — | — | — | — | 1 | 11 | 10 | 324 | 110 | 716 | 116 | 530 | 143 | 417 | 371 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 6 | 0 | 0 | 0 | 26 | 421 | 368 | 146 | 411 | 432 | 67 | 341 | 341 | 128 | 128 | 67 | 14 | 0 | 50 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
Header Global | |||||||||||||||||||
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