Portballintrae surf break

Portballintrae surfForecast / Antrim / Ireland

information circle48hr Weather and Surf, issued 6 am Wednesday 29 Apr 2026 BST
Forecast update in hr  min  s Forecast update imminent
Portballintrae surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Portballintrae sea temperature is
9.5° C
(Which is normal for this time of year)

How big are the waves at Portballintrae today?

The current surf forecast for Portballintrae at 1PM is: 0.8m 18s primary swell from a Northwest direction and 0.5m 12s secondary swell from a West-northwest direction (forecast issued at 06:00am April 29). The wind direction is predicted to be offshore and the swell rating is 2.

Time (BST) & DateWave HeightWave Period
Morning (29 Apr)1.5ft (0.4m)19s
Afternoon (29 Apr)3ft (0.9m)17s
Evening (29 Apr)4.5ft (1.4m)16s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 16°C on Fri afternoon, min 8°C on Wed night). Winds decreasing (fresh winds from the SE on Thu morning, calm by Fri afternoon).

Wednesday
29
Thursday
30
Friday
1
Sat
2
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
2
2
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
0
1
Swell
Height Map
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<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.5
WNW
13
0.5
WNW
13
0.4
NW
18
0.8
NW
18
1.1
NW
16
1.3
NW
16
1.4
NW
16
1.4
NW
15
1.4
NW
15
1.3
NW
14
1.3
NW
14
1.2
NW
14
1.2
NW
14
1.1
NW
13
1.1
NW
13
1.1
NW
13
1.1
NW
12
1
NW
12
0.9
NW
12
0.9
NW
12
0.9
NW
11
0.9
NW
11
0.9
NW
11
0.9
NW
11
Wave Graph
Metric surfscale
Energy kJ
95
92
121
366
596
793
954
918
859
746
650
565
518
380
374
369
341
282
232
228
217
205
198
194
Wind (km/h)
5
SSE
10
SE
15
ESE
20
ESE
20
ESE
15
ESE
10
ESE
15
ESE
15
ESE
20
ESE
30
ESE
35
SE
25
SE
20
SE
15
SE
15
SE
15
SE
10
SE
15
SSE
10
SSE
5
SE
0
SW
5
NW
0
WNW
cross-off
off
cross-off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
glassy
on
glassy
High Tide
6:18AM1.88m
6:26PM1.74m
6:43AM1.87m
6:56PM1.83m
7:10AM1.86m
7:29PM1.91m
Low Tide
12:40PM0.55m
11:57PM0.52m
12:58PM0.51m
00:35AM0.45m
1:25PM0.48m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:48
5:46
5:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:57
8:59
9:00
9:02
Temp °C
9
8
9
12
13
12
12
10
8
8
10
12
14
14
14
13
11
11
12
14
16
15
12
11
7
6
5
7
8
8
9
6
4
3
3
5
8
10
11
10
8
9
8
11
15
15
11
10
Swell 1
Height (m)
Direction
Period (s)
0.5
WNW
13
0.5
WNW
13
0.5
WNW
12
0.8
NW
18
1.1
NW
16
1.3
NW
16
1.4
NW
16
1.4
NW
15
1.4
NW
15
1.3
NW
14
1.3
NW
14
1.2
NW
14
1.2
NW
14
1.1
NW
13
1.1
NW
13
1.1
NW
13
1.1
NW
12
1
NW
12
0.9
NW
12
0.9
NW
12
0.9
NW
11
0.9
NW
11
0.9
NW
11
0.9
NW
11
Energy kJ
95
92
86
366
596
793
954
918
859
746
650
565
518
380
374
369
341
282
232
228
217
205
198
194
Swell 2
Height (m)
Direction
Period (s)
0.1
NW
20
0.4
NW
18
0.5
WNW
12
0.4
WNW
12
Energy kJ
16
121
82
47
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.4
SE
3
0.4
ESE
3
0.4
ESE
3
0.7
ESE
4
1
ESE
4
0.9
SE
4
0.6
SE
4
0.4
ESE
4
0.4
SE
4
0.4
ESE
4
0.4
ESE
5
0.3
ESE
5
0.2
ESE
3
0.2
ESE
4
Energy kJ
2
3
3
13
37
26
14
7
5
6
7
5
1
2
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
2
3
3
3
3
3
3
3
4
2
2
2
2
2
2
2
2
2
2
1
1
Distance (km)
0
0
0
0
0
0
0
0
0
0
54
106
20
0
0
0
0
0
0
0
0
0
8
0
Best forecast wave conditions in Antrim
Rating
(10 max)
1
1
2
2
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
1
1
Best forecast wave conditions in Ireland
Rating
(10 max)
3
3
4
4
3
4
3
3
3
4
4
4
4
4
3
3
3
3
3
3
2
2
2
2
Header Global
Rating
(10 max)
9
9
8
8
8
7
6
5
5
5
5
5
5
6
6
6
6
7
5
5
5
5
5
4
  • 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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