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), 11s period with W swell.
- Afternoon surf: Afternoon surf (30 Sep, local time) - 2.5ft (0.7m), 10s period with W swell.
- Evening surf: Evening surf (30 Sep, local time) - 8ft (2.4m), 14s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 8AM is: 0.5m 12s primary swell from a West direction and 0.2m 10s secondary swell from a North direction (forecast issued at 12:00am September 30). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | 1.5ft (0.5m) | 11s |
| Afternoon (30 Sep) | 2.5ft (0.7m) | 10s |
| Evening (30 Sep) | 8ft (2.4m) | 14s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Fri afternoon. Very mild (max 19°C on Tue night, min 10°C on Wed night). Winds decreasing (near gales from the SSE on Tue night, light winds from the WSW by Fri afternoon). | ||||||||||||||||||||||||
Wednesday 30 | Thursday 1 | Friday 2 | ||||||||||||||||||||||
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 | 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 10 | W 12 | W 12 | W 11 | W 10 | W 9 | W 13 | WNW 14 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 34 | 75 | 69 | 89 | 94 | 85 | 800 | 2253 | 4188 | 4716 | 4771 | 4455 | 3709 | 3155 | 2334 | 2036 | 1674 | 1278 | 1217 | 936 | 789 | 805 | 737 | 638 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | cross-off | cross-off | off | cross-off | cross-off | off | off | cross-off | off | cross-off | off | off | off | off | cross-off | off | cross | cross | cross |
High Tide | 8:48AM3.24m | 9:08PM3.21m | 9:29AM3.08m | 9:54PM2.93m | 10:19AM2.86m | |||||||||||||||||||
Low Tide | 2:36AM0.12m | 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 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | 2 | 5 | 1 | — |
Temp °C | 17 | 15 | 14 | 13 | 15 | 15 | 14 | 13 | 11 | 11 | 10 | 10 | 14 | 15 | 14 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 12 |
Feels °C | 12 | 9 | 7 | 4 | 7 | 8 | 7 | 8 | 6 | 6 | 6 | 5 | 7 | 8 | 7 | 9 | 10 | 10 | 8 | 9 | 9 | 12 | 9 | 8 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 12 | W 12 | W 11 | W 10 | W 9 | W 13 | WNW 14 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 |
| kJ | 34 | 75 | 69 | 89 | 94 | 85 | 800 | 2253 | 4188 | 4716 | 4771 | 4455 | 3709 | 3155 | 2334 | 2036 | 1674 | 1278 | 1217 | 936 | 789 | 805 | 737 | 638 |
Swell 2 Height (m) Direction Period (s) | ENE 5 | N 10 | N 10 | N 10 | N 10 | WNW 12 | N 10 | N 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 8 | 8 | 8 | 7 | 50 | 7 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | N 10 | ENE 5 | NE 5 | — | — | N 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 8 | 3 | 1 | — | — | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 4 | S 3 | S 3 | S 4 | SSW 4 | SSW 4 | — | — | — | — | — | — | — | — | S 3 | — | — | — | — | — | — | — | — | — |
| kJ | 12 | 5 | 8 | 23 | 29 | 26 | — | — | — | — | — | — | — | — | 6 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1064 | 587 | 402 | 331 | 340 | 325 | 325 | 0 | 50 | 50 | 50 | 8 | 50 | 50 | 145 | 0 | 0 | 0 | 0 | 50 | 0 | 5 | 128 | 36 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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