Ballyhiernan Bay Surf Break

Lat Long: 55.25° N 7.71° W

Ballyhiernan Bay 48 hour detailed Surf Forecast

Issued: 6 pm 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Ballyhiernan Bay sea temperature is
15.4°C
1.8° 

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 (17 Sep):

  • Afternoon surf: Afternoon surf (17 Sep, local time) - 15ft (4.5m), 14s period with WNW swell.
  • Evening surf: Evening surf (17 Sep, local time) - 15ft (4.5m), 15s period with NW swell.

The current surf forecast for Ballyhiernan Bay at 9PM is: 4.5m 15s primary swell from a Northwest direction (forecast issued at 06:00pm September 17). The wind direction is predicted to be cross-shore.

Time (IST) & DateWave HeightWave Period
Morning (17 Sep)--
Afternoon (17 Sep)15ft (4.5m)14s
Evening (17 Sep)15ft (4.5m)15s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Fri morning. Very mild (max 16°C on Fri afternoon, min 12°C on Fri morning). Winds increasing (moderate winds from the SSW on Fri morning, strong winds from the W by Sat night).

Thu
17
Friday
18
Saturday
19
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
!
3
1
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
Wave
Height (m)
Direction
Period (s)
5
NW
14
5
NW
15
4.5
NW
15
4.5
NW
14
4
NW
14
3.5
NW
13
3
NW
13
3
WNW
12
3.5
WNW
12
3
WNW
11
3
WNW
11
3
WNW
11
2.5
WNW
11
3
WNW
10
3
WNW
10
3.5
WNW
11
3.5
WNW
11
3.5
WNW
12
3.5
WNW
12
Wave Graph
Metric surfscale
Energy kJ
9338
10539
8694
7346
5574
4596
3489
2376
2946
2398
1887
1731
1628
1773
2210
2667
2918
3366
3445
Wind (km/h)
50
W
45
W
45
W
40
W
40
WSW
35
SW
25
SSW
35
SSW
45
WSW
40
WSW
35
WSW
40
WSW
45
WSW
50
WSW
45
WSW
50
WSW
45
WSW
45
WSW
45
W
Wind State
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
10:38PM2.44m
11:03AM2.43m
11:32PM2.17m
12:21PM2.22m
Low Tide
4:29PM0.93m
4:44AM1.07m
5:23PM1.22m
5:44AM1.31m
7:01PM1.41m
cloud
clear
part cloud
part cloud
part cloud
cloud
light rain
light rain
light rain
cloud
light rain
part cloud
cloud
part cloud
clear
cloud
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:07
7:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:44
7:40
7:38
 mm
2
2
2
1
Temp °C
13
13
13
13
13
13
12
14
16
16
16
15
14
13
13
13
13
13
13
Feels °C
3
4
4
5
6
6
7
7
9
10
10
8
6
3
4
3
3
4
3
  • 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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