Ballyhiernan Bay surfForecast / Donegal / Ireland

information circle48hr Weather and Surf, issued 6 pm Sunday 31 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
12.7° C
(Which is 1.3°C warmer than normal for this time of year)

How big are the waves at Ballyhiernan Bay today (31 May):

  • Afternoon surf: Afternoon surf (31 May, local time) - 4.5ft (1.3m), 12s period with W swell.
  • Evening surf: Evening surf (31 May, local time) - 3.5ft (1.1m), 12s period with W swell.

The current surf forecast for Ballyhiernan Bay at 9PM is: 1.1m 12s primary swell from a West direction and 0.2m 8s secondary swell from a North direction (forecast issued at 06:00pm May 31). The wind direction is predicted to be offshore and the swell rating is 2.

Time (IST) & DateWave HeightWave Period
Morning (31 May)--
Afternoon (31 May)4.5ft (1.3m)12s
Evening (31 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 10mm), heaviest on Mon afternoon. Very mild (max 14°C on Sun afternoon, min 11°C on Tue night). Wind will be generally light.

Sun
31
Monday
1
Tuesday
2
Wed
3
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
4 AM
7 AM
10 AM
1 PM
Rating
(10 max)
0
0
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
1
0
2
1
1
1
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)
1.3
W
12
1.2
W
12
1.1
W
12
1
W
11
0.9
W
11
0.9
W
11
0.9
W
11
0.9
W
11
0.8
W
10
0.8
W
10
0.8
W
10
0.8
W
10
0.8
W
10
0.7
W
10
0.7
W
9
0.7
W
9
0.6
W
9
0.6
W
9
0.6
W
9
0.4
WNW
15
0.6
WNW
14
1
W
13
1
W
13
1.1
W
13
Wave Graph
Metric surfscale
Energy kJ
472
389
316
253
202
195
185
182
138
125
121
121
116
87
85
83
60
60
62
75
160
356
350
392
Wind (km/h)
25
W
15
W
10
SE
20
SSE
15
SSE
10
S
10
WSW
5
NW
10
NE
5
NNE
10
WSW
10
W
5
WNW
10
NW
10
WNW
10
NW
15
WNW
20
W
15
SW
15
SSW
15
SSE
25
SSE
30
SSE
15
S
cross
cross
cross-off
off
off
off
cross
on
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
off
off
off
cross-off
High Tide
7:11PM3.08m
7:27AM2.92m
7:45PM3.09m
8:02AM2.86m
8:21PM3.05m
8:37AM2.77m
Low Tide
1:17AM0.50m
1:26PM0.50m
1:53AM0.54m
2:01PM0.53m
2:30AM0.61m
cloud
cloud
cloud
cloud
light rain
cloud
light rain
part cloud
light rain
light rain
cloud
cloud
cloud
light rain
cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
light rain
rain showers
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:58
4:56
4:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:58
9:59
10:00
10:01
1
1
1
2
1
2
1
1
Temp °C
14
13
14
13
13
13
14
14
13
13
12
13
12
12
12
12
12
13
13
12
12
11
12
13
9
10
12
10
10
11
13
13
11
13
11
12
11
11
11
10
10
10
11
9
9
6
7
10
Swell 1
Height (m)
Direction
Period (s)
1.3
W
12
1.2
W
12
1.1
W
12
1
W
11
0.9
W
11
0.9
W
11
0.9
W
11
0.9
W
11
0.8
W
10
0.8
W
10
0.8
W
10
0.8
W
10
0.8
W
10
0.7
W
10
0.7
W
9
0.7
W
9
0.6
W
9
0.6
W
9
0.6
W
9
0.6
W
10
0.6
WNW
14
1
W
13
1
W
13
1.1
W
13
Energy kJ
472
389
316
253
202
195
185
182
138
125
121
121
116
87
85
83
60
60
62
75
160
356
350
392
Swell 2
Height (m)
Direction
Period (s)
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
0.2
N
7
0.1
N
7
0.1
N
7
0.1
N
7
0.1
N
7
0.1
W
17
0.2
WNW
16
0.4
WNW
15
0.6
W
5
0.1
N
6
0.1
N
6
Energy kJ
6
5
5
4
4
4
6
6
6
5
5
5
4
1
1
1
1
6
25
73
16
1
1
Swell 3
Height (m)
Direction
Period (s)
0.1
N
10
0.2
N
10
0.1
N
10
0.1
W
15
0.1
W
15
0.1
W
18
0.1
W
18
0.1
N
7
0.1
N
7
0.1
N
7
0.6
W
10
Energy kJ
2
8
2
4
4
6
6
1
1
1
68
Wind waves
Height (m)
Direction
Period (s)
0.4
W
3
0.5
W
4
0.5
W
4
0.3
S
2
0.4
S
3
Energy kJ
3
7
10
1
2
Nearest Offshore or Glassy
Rating
(10 max)
2
3
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
1
Distance (km)
128
26
0
0
0
0
5
5
21
5
26
26
98
47
28
28
28
161
0
28
0
5
26
72
Best forecast wave conditions in Donegal
Rating
(10 max)
3
3
2
2
2
1
1
2
2
2
1
1
1
1
1
1
1
2
2
2
Best forecast wave conditions in Ireland
Rating
(10 max)
3
3
3
2
2
3
2
2
2
2
2
2
2
1
2
1
1
2
1
2
3
2
3
1
Header Global
Rating
(10 max)
6
5
5
5
5
5
5
4
5
5
5
8
5
4
6
4
5
4
5
5
5
4
4
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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