Ballyhiernan Bay Surf Break

Lat Long: 55.25° N 7.71° W

Ballyhiernan Bay 48 hour detailed Surf Forecast

Issued: 12 pm 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Ballyhiernan Bay sea temperature is
16.4° C
1.9° 

Ballyhiernan Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Ballyhiernan Bay today (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 6.5ft (2.0m), 8s period with N swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 6ft (1.8m), 7s period with N swell.
  • Evening surf: Evening surf (20 Aug, local time) - 5ft (1.6m), 7s period with N swell.

The current surf forecast for Ballyhiernan Bay at 6PM is: 1.7m 7s primary swell from a North direction and 0.6m 9s secondary swell from a West-northwest direction, 0.1m 16s secondary swell from a West direction (forecast issued at 12:00pm August 20). The wind direction is predicted to be onshore.

Time (IST) & DateWave HeightWave Period
Morning (20 Aug)6.5ft (2.0m)8s
Afternoon (20 Aug)6ft (1.8m)7s
Evening (20 Aug)5ft (1.6m)7s

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


Short Range Forecast

Some drizzle, heaviest during Thu night. Very mild (max 14°C on Fri night, min 12°C on Sat night). Winds decreasing (strong winds from the N on Thu morning, light winds from the NNW by Fri night).

Thu
20
Friday
21
Saturday
22
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
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.1
N
8
1.9
N
8
1.8
N
7
1.6
N
7
1.6
N
7
1.5
N
7
1.4
NNW
6
1.3
NNW
6
1.2
NNW
6
1.1
NNW
6
1.1
NNW
6
1
NNW
6
1
NNW
6
0.9
NNW
5
0.7
NNW
5
0.6
N
5
0.7
NW
5
0.6
NNW
5
0.6
NW
5
0.6
NW
5
0.6
NNW
5
Wave Graph
Metric surfscale
Energy kJ
573
419
348
247
240
200
165
134
112
92
82
72
65
51
28
19
27
17
19
20
17
Wind (km/h)
40
N
40
N
35
N
35
N
35
N
35
N
30
N
30
N
25
N
30
N
25
N
25
N
25
N
25
N
20
NNW
10
NNW
20
NNW
15
NW
20
WNW
15
WNW
15
W
Wind State
cross-on
cross-on
on
on
on
on
on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross
High Tide
11:56AM2.38m
00:29AM2.24m
1:17PM2.23m
2:11AM2.11m
3:09PM2.25m
Low Tide
6:12PM1.18m
6:45AM1.26m
7:45PM1.34m
8:25AM1.33m
9:33PM1.30m
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
clear
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:13
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:53
8:52
8:49
 mm
1
Temp °C
13
13
13
13
13
13
13
13
13
13
13
13
13
14
13
14
14
13
13
14
14
Feels °C
5
5
6
5
5
6
7
7
7
7
7
7
8
9
8
11
11
10
10
11
12
  • 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
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Ballyhiernan Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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