Ballyhiernan Bay surfForecast / Donegal / Ireland

information circle48hr Weather and Surf, issued 6 am 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):

  • Morning surf: Morning surf (31 May, local time) - 4.5ft (1.3m), 12s period with W swell.
  • 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) - 4ft (1.2m), 12s period with W swell.

The current surf forecast for Ballyhiernan Bay at 10AM is: 1.3m 12s primary swell from a West direction and 0.2m 10s secondary swell from a North-northwest direction (forecast issued at 06:00am May 31). The wind direction is predicted to be cross-shore.

Time (IST) & DateWave HeightWave Period
Morning (31 May)4.5ft (1.3m)12s
Afternoon (31 May)4.5ft (1.3m)12s
Evening (31 May)4ft (1.2m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 6mm), mostly falling on Mon afternoon. Very mild (max 15°C on Mon morning, min 11°C on Tue night). Winds increasing (light winds from the SE on Sun night, fresh winds from the SSE by Tue night).

Sunday
31
Monday
1
Tuesday
2
Wed
3
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
0
0
0
0
2
2
2
2
1
1
1
0
0
1
1
1
0
0
0
0
0
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)
1.1
W
12
1.2
W
12
1.3
W
12
1.4
W
12
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
0.8
W
11
0.8
W
10
0.8
W
10
1
W
10
1.1
W
10
1.1
W
9
1
W
9
0.9
W
9
0.8
W
9
0.6
W
9
0.9
W
9
0.6
W
9
0.9
W
10
Wave Graph
Metric surfscale
Energy kJ
325
387
461
553
472
389
316
253
202
195
185
144
138
123
188
220
207
173
137
109
60
134
61
162
Wind (km/h)
20
SW
25
SW
25
WSW
25
WSW
25
W
15
WSW
5
SE
20
SSE
15
SSE
15
S
10
SSW
10
SSE
15
SSE
25
WSW
15
SW
15
SW
15
WSW
10
SSW
15
W
15
W
20
W
25
WSW
25
WSW
20
SW
cross-off
cross-off
cross
cross
cross
cross
cross-off
off
off
off
cross-off
off
off
cross
cross-off
cross-off
cross
cross-off
cross
cross-on
cross-on
cross
cross
cross-off
High Tide
6:52AM2.94m
7:11PM3.08m
7:27AM2.92m
7:45PM3.09m
8:02AM2.86m
8:21PM3.05m
Low Tide
12:52PM0.48m
1:17AM0.50m
1:26PM0.50m
1:53AM0.54m
2:01PM0.53m
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
rain showers
rain showers
part cloud
cloud
cloud
cloud
cloud
rain showers
clear
clear
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:58
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
2
1
1
Temp °C
12
12
13
14
14
13
14
13
13
13
15
15
15
14
13
12
12
12
13
12
13
13
12
12
8
7
8
9
9
10
13
10
10
11
14
14
14
10
10
9
9
10
10
9
9
8
8
8
Swell 1
Height (m)
Direction
Period (s)
1.1
W
12
1.2
W
12
0.2
NNW
10
0.2
N
9
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
0.8
W
11
0.8
W
10
0.8
W
10
1
W
10
1.1
W
10
1.1
W
9
1
W
9
0.9
W
9
0.8
W
9
0.6
W
9
0.1
W
17
0.6
W
9
0.9
W
10
Energy kJ
325
387
9
7
472
389
316
253
202
195
185
144
138
123
188
220
207
173
137
109
60
6
61
162
Swell 2
Height (m)
Direction
Period (s)
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
0.1
N
8
0.1
N
8
0.1
N
7
0.1
N
7
0.1
N
7
0.1
N
7
0.1
N
7
0.2
WNW
16
0.3
WNW
15
Energy kJ
19
19
6
5
5
4
4
4
6
6
6
5
5
1
1
1
1
1
1
1
25
43
Swell 3
Height (m)
Direction
Period (s)
0.1
N
10
0.2
N
10
0.1
N
10
0.1
W
14
0.1
W
18
0.1
W
18
0.1
N
7
0.1
N
7
Energy kJ
2
8
2
4
6
6
1
1
Wind waves
Height (m)
Direction
Period (s)
1.3
W
12
1.4
W
12
0.6
W
4
0.5
W
4
0.9
W
9
0.7
W
4
Energy kJ
461
553
11
6
134
18
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
3
3
3
1
2
2
2
1
1
1
1
2
2
1
1
1
2
1
1
1
Distance (km)
0
0
28
28
28
146
146
74
0
0
0
0
0
0
0
24
28
0
28
26
329
26
380
380
Best forecast wave conditions in Donegal
Rating
(10 max)
2
2
2
2
3
2
3
2
1
1
2
2
2
2
1
1
1
1
Best forecast wave conditions in Ireland
Rating
(10 max)
2
2
3
3
4
4
3
2
2
3
2
2
2
2
2
2
2
2
1
1
1
1
1
1
Header Global
Rating
(10 max)
7
7
7
7
7
6
5
5
5
5
5
5
5
4
5
9
5
5
5
8
5
6
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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