Ballyhiernan Bay surfForecast / Donegal / Ireland

information circle48hr Weather and Surf, issued 6 am Saturday 30 May 2026 IST
Forecast update in hr  min  s Forecast update imminent
Ballyhiernan Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ballyhiernan Bay sea temperature is
12.8° C
(Which is 1.3°C warmer than normal for this time of year)

How big are the waves at Ballyhiernan Bay today (30 May):

  • Morning surf: Morning surf (30 May, local time) - 2.5ft (0.7m), 9s period with W swell.
  • Afternoon surf: Afternoon surf (30 May, local time) - 3ft (0.9m), 10s period with W swell.
  • Evening surf: Evening surf (30 May, local time) - 3.5ft (1.1m), 12s period with W swell.

The current surf forecast for Ballyhiernan Bay at 3PM is: 0.9m 10s primary swell from a West direction and 0.6m 12s secondary swell from a West-northwest direction (forecast issued at 06:00am May 30). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (IST) & DateWave HeightWave Period
Morning (30 May)2.5ft (0.7m)9s
Afternoon (30 May)3ft (0.9m)10s
Evening (30 May)3.5ft (1.1m)12s

Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 16mm), heaviest on Sat morning. Very mild (max 16°C on Sat afternoon, min 11°C on Sat night). Wind will be generally light.

Saturday
30
Sunday
31
Monday
1
Tue
2
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
1 AM
Rating
(10 max)
1
1
1
1
2
2
2
2
1
1
0
0
0
0
2
2
2
2
1
1
0
1
1
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.9
WNW
8
0.6
W
9
0.7
W
9
0.9
W
10
1
W
10
1.2
W
12
1.1
W
12
1
W
12
1.1
W
12
1.2
W
12
1.2
W
12
1.3
W
12
1.3
W
12
1.2
W
12
1.1
W
12
1
W
11
1
W
11
0.9
W
11
0.8
W
11
0.7
W
11
0.7
W
10
0.6
W
10
0.6
W
10
0.6
W
10
Wave Graph
Metric surfscale
Energy kJ
99
56
74
146
190
396
327
266
325
387
400
480
472
396
316
253
248
195
151
114
106
71
69
68
Wind (km/h)
15
SE
20
SSE
25
SSE
20
SSE
15
S
15
SSE
10
SSW
15
SSW
20
SSW
20
SW
25
WSW
25
WSW
25
W
20
W
10
SW
10
SSE
15
SE
15
SSE
15
SSE
5
SSE
10
NNE
10
E
5
SE
5
ENE
off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross-off
off
off
off
off
glassy
cross-on
cross-off
cross-off
cross
High Tide
6:17AM2.93m
6:37PM3.04m
6:52AM2.94m
7:11PM3.08m
7:27AM2.92m
7:45PM3.09m
Low Tide
12:18PM0.49m
00:41AM0.51m
12:52PM0.48m
1:17AM0.50m
1:26PM0.50m
cloud
light rain
light rain
rain showers
cloud
clear
rain showers
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
cloud
light rain
light rain
cloud
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:00
4:58
4:58
4:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:55
9:58
9:59
10:00
1
2
1
1
2
1
1
1
2
2
Temp °C
13
12
13
13
16
16
15
13
11
12
13
13
14
13
13
12
11
11
12
15
14
15
14
14
9
8
9
9
14
14
13
11
7
8
9
8
9
9
11
10
8
8
10
15
13
14
14
14
Swell 1
Height (m)
Direction
Period (s)
0.9
WNW
8
0.7
NW
7
0.7
W
9
0.9
W
10
1
W
10
1.2
W
12
1.1
W
12
1
W
12
1.1
W
12
1.2
W
12
1.2
W
12
1.3
W
12
0.2
N
9
1.2
W
12
1.1
W
12
1
W
11
1
W
11
0.9
W
11
0.8
W
11
0.7
W
11
0.7
W
10
0.6
W
10
0.6
W
10
0.6
W
10
Energy kJ
99
56
74
146
190
396
327
266
325
387
400
480
6
396
316
253
248
195
151
114
106
71
69
68
Swell 2
Height (m)
Direction
Period (s)
0.4
W
9
0.6
W
9
0.5
NW
7
0.4
NW
7
0.6
WNW
12
0.2
NNW
10
0.3
NNW
10
0.3
NNW
10
0.3
NNW
10
0.3
NNW
10
0.3
NNW
10
0.2
N
9
0.2
N
8
0.2
N
8
0.2
N
8
0.2
N
7
0.2
N
7
0.2
N
9
0.2
N
9
0.2
N
9
0.2
N
8
0.2
N
8
0.2
N
8
Energy kJ
28
56
27
14
123
10
19
18
18
19
18
7
5
5
4
4
4
6
6
6
5
5
5
Swell 3
Height (m)
Direction
Period (s)
0.1
W
16
0.1
W
16
0.2
WNW
15
0.3
WNW
13
0.2
NNW
11
0.1
N
10
0.2
N
10
0.1
N
10
0.1
W
15
0.1
W
14
0.1
W
14
Energy kJ
5
5
22
35
11
2
8
2
4
4
4
Wind waves
Height (m)
Direction
Period (s)
0.2
SSW
2
1.3
W
12
Energy kJ
1
472
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
2
2
2
2
2
2
3
3
3
1
2
2
2
2
1
1
1
1
1
1
Distance (km)
0
0
0
0
0
0
0
0
28
28
28
329
367
128
0
0
0
0
0
0
21
0
0
7
Best forecast wave conditions in Donegal
Rating
(10 max)
2
1
1
1
2
2
2
2
2
2
3
2
3
2
2
2
1
2
1
1
1
Best forecast wave conditions in Ireland
Rating
(10 max)
2
1
3
2
3
2
2
2
3
2
3
4
3
1
2
3
2
2
2
2
2
1
1
1
Header Global
Rating
(10 max)
5
5
5
5
6
8
7
7
7
7
7
6
6
5
5
5
5
5
5
4
4
5
5
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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