Ballyhiernan Bay surfForecast / Donegal / Ireland

information circle48hr Weather and Surf, issued 12 pm Friday 15 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
11.2° C
(Which is slightly warmer than usual)

How big are the waves at Ballyhiernan Bay today?

The current surf forecast for Ballyhiernan Bay at 5PM is: 0.8m 8s primary swell from a West-northwest direction and 0.8m 7s secondary swell from a North direction (forecast issued at 12:00pm May 15). The wind direction is predicted to be onshore.

Time (IST) & DateWave HeightWave Period
Morning (15 May)4ft (1.2m)7s
Afternoon (15 May)2.5ft (0.8m)8s
Evening (15 May)2ft (0.6m)7s

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 12mm), heaviest on Sat morning. Very mild (max 10°C on Sat afternoon, min 7°C on Fri night). Winds increasing (calm on Fri night, fresh winds from the W by Sat night).

Fri
15
Saturday
16
Sunday
17
Mon
18
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
4 AM
7 AM
Rating
(10 max)
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
1
2
4
3
3
2
3
3
2
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
N
7
0.8
WNW
8
0.8
WNW
8
0.8
WNW
7
0.6
N
7
0.5
NW
7
0.6
WNW
7
0.6
WNW
8
0.6
WNW
8
0.4
WNW
14
0.6
WNW
13
1.2
WNW
7
0.7
NW
14
0.9
WNW
14
2.2
WNW
13
2.5
WNW
13
2.4
WNW
13
2.2
WNW
13
2
WNW
13
1.9
WNW
12
1.8
WNW
12
1.7
WNW
12
1.6
WNW
11
1.4
WNW
11
Wave Graph
Metric surfscale
Energy kJ
114
76
72
70
32
27
43
44
45
71
116
152
214
347
1699
1990
1847
1606
1261
1080
889
735
624
478
Wind (km/h)
25
NNW
20
NNW
15
NNW
15
NNW
5
NW
5
S
10
SE
15
SE
15
SSE
15
SSW
30
W
30
W
35
W
35
W
35
W
25
WSW
20
WSW
10
S
10
W
10
NW
5
NNW
5
NNW
5
SW
10
S
on
on
on
on
on
glassy
off
off
off
cross-off
cross-on
cross
cross
cross
cross
cross
cross
cross-off
cross
cross-on
on
glassy
glassy
cross-off
High Tide
5:54PM3.20m
6:11AM3.43m
6:36PM3.37m
6:56AM3.48m
7:20PM3.48m
Low Tide
11:37AM0.12m
11:53PM0.17m
12:19PM0.01m
00:39AM0.03m
1:02PM-0.01m
1:26AM-0.02m
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
rain showers
cloud
rain showers
rain showers
rain showers
light rain
light rain
light rain
light rain
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:22
5:20
5:18
5:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:31
9:34
9:36
9:37
2
2
1
1
1
1
1
1
1
1
Temp °C
8
8
8
8
8
8
7
7
7
9
10
10
9
9
9
9
9
8
10
10
10
9
9
7
2
2
3
4
5
6
4
3
3
5
3
3
1
1
1
2
4
5
7
7
8
7
7
4
Swell 1
Height (m)
Direction
Period (s)
0.9
WNW
8
0.8
WNW
8
0.8
N
7
0.8
WNW
7
0.6
N
7
0.5
N
6
0.6
WNW
7
0.6
WNW
8
0.6
WNW
8
0.6
WNW
8
0.6
WNW
13
0.7
NW
12
0.7
WNW
12
0.9
WNW
14
0.1
N
9
2.5
WNW
13
2.4
WNW
13
2.2
WNW
13
2
WNW
13
1.9
WNW
12
1.8
WNW
12
1.7
WNW
12
1.6
WNW
11
1.4
WNW
11
Energy kJ
112
76
57
70
32
19
43
44
45
45
116
152
121
347
2
1990
1847
1606
1261
1080
889
735
624
478
Swell 2
Height (m)
Direction
Period (s)
0.1
W
15
0.1
W
15
0.8
WNW
8
0.7
N
7
0.5
NW
7
0.5
NW
7
0.5
N
6
0.4
N
6
0.4
NNW
6
0.4
WNW
14
0.2
N
6
0.3
NW
15
0.7
NW
14
0.7
WNW
11
0.1
N
9
0.1
N
9
0.1
N
9
Energy kJ
4
4
72
43
27
27
18
11
12
71
3
34
214
99
2
2
2
Swell 3
Height (m)
Direction
Period (s)
0.1
W
14
0.4
W
7
0.4
WNW
7
0.1
NW
16
0.1
NW
15
0.3
NW
15
0.3
N
6
0.1
N
10
0.2
N
6
0.1
N
6
0.1
N
9
Energy kJ
4
15
16
10
9
33
6
2
3
1
2
Wind waves
Height (m)
Direction
Period (s)
1.1
N
7
0.9
N
7
1.2
W
5
1.2
WNW
7
1.3
WNW
7
1.6
W
7
2.2
WNW
13
Energy kJ
114
74
75
139
157
226
1699
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
4
4
4
2
3
3
3
2
Distance (km)
394
361
361
75
7
0
0
0
0
21
112
172
67
67
67
36
28
0
26
60
21
0
0
0
Best forecast wave conditions in Donegal
Rating
(10 max)
1
1
1
1
1
1
1
1
4
4
4
4
3
4
3
Best forecast wave conditions in Ireland
Rating
(10 max)
2
2
1
1
1
1
1
1
1
1
1
1
2
3
4
4
4
2
4
4
4
3
Header Global
Rating
(10 max)
5
5
6
5
5
5
5
5
4
6
6
5
5
4
5
5
5
9
9
7
4
4
5
8
  • 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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