Portballintrae surf break

Portballintrae surfForecast / Antrim / Ireland

information circle48hr Weather and Surf, issued 6 pm Tuesday 19 May 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
10.2° C
(Which is normal for this time of year)

How big are the waves at Portballintrae today?

The current surf forecast for Portballintrae at 12AM is: 0.4m 16s primary swell from a West-northwest direction and 0.3m 10s secondary swell from a West-northwest direction (forecast issued at 06:00pm May 19). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (20 May)2.5ft (0.8m)14s
Afternoon (20 May)2ft (0.6m)13s
Evening (20 May)1.5ft (0.5m)13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 12mm), heaviest on Tue afternoon. Very mild (max 19°C on Thu afternoon, min 8°C on Tue night). Wind will be generally light.

Tue
19
Wednesday
20
Thursday
21
Fri
22
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
10 AM
1 PM
Rating
(10 max)
0
0
1
0
2
1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
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)
0.3
WNW
9
0.3
WNW
9
0.2
WNW
16
0.4
WNW
16
0.7
WNW
15
0.8
WNW
15
0.8
WNW
14
0.6
WNW
14
0.6
WNW
13
0.5
WNW
13
0.5
W
12
0.4
WNW
12
0.4
WNW
12
0.6
NW
9
0.6
NW
8
0.6
NW
8
0.4
WNW
11
0.3
WNW
11
0.3
WNW
11
0.4
NW
7
0.2
W
11
0.2
WNW
11
0.3
WNW
12
0.2
W
11
Wave Graph
Metric surfscale
Energy kJ
16
17
26
98
209
242
233
149
137
96
78
48
47
61
55
53
39
23
23
11
9
12
26
9
Wind (km/h)
20
S
20
SSW
10
S
10
SW
15
S
20
S
25
W
25
W
20
W
5
W
10
SSE
15
SSE
25
SSE
25
S
20
S
20
SSW
20
SSW
20
SSE
20
S
20
S
20
SSE
25
S
20
S
25
S
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-on
cross-on
cross-on
cross-on
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
9:22PM2.08m
10:04AM1.82m
10:18PM1.98m
11:09AM1.64m
11:35PM1.87m
12:31PM1.49m
Low Tide
2:53PM0.40m
3:48AM0.50m
3:40PM0.52m
5:11AM0.63m
4:31PM0.66m
7:12AM0.69m
thunderstorm
light rain
light rain
light rain
part cloud
part cloud
rain showers
clear
clear
part cloud
cloud
cloud
cloud
light rain
part cloud
cloud
cloud
light rain
light rain
cloud
part cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
5:07
5:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:34
9:36
9:37
9:38
1
3
2
1
1
1
2
1
Temp °C
14
12
11
10
8
9
11
13
15
14
13
12
12
12
15
16
19
15
15
14
14
13
14
16
11
9
9
8
4
5
6
7
10
12
11
9
8
8
12
13
16
13
12
10
9
8
10
12
Swell 1
Height (m)
Direction
Period (s)
0.3
ESE
6
0.3
WNW
9
0.2
ESE
4
0.4
WNW
16
0.7
WNW
15
0.8
WNW
15
0.8
WNW
14
0.6
WNW
14
0.6
WNW
13
0.6
WNW
6
0.5
WNW
6
0.5
WNW
6
0.4
WNW
12
0.6
NW
9
0.6
NW
8
0.6
NW
8
0.5
NW
8
0.4
NW
7
0.4
NW
7
0.4
NW
7
0.3
NW
7
0.2
WNW
6
0.3
WNW
12
0.2
ESE
4
Energy kJ
6
16
1
98
209
242
233
149
137
29
22
23
47
61
55
53
29
19
13
11
7
4
26
2
Swell 2
Height (m)
Direction
Period (s)
0.3
WNW
9
0.3
ESE
6
0.2
WNW
16
0.3
WNW
10
0.3
WNW
10
0.5
WNW
13
0.5
W
12
0.4
WNW
12
0.4
NW
6
0.4
WNW
12
0.3
WNW
11
0.3
WNW
11
0.4
WNW
11
0.3
WNW
11
0.3
WNW
11
0.2
W
11
0.2
W
11
0.2
WNW
11
0.2
WNW
6
0.2
WNW
6
Energy kJ
16
6
26
18
20
96
78
48
9
46
25
23
39
23
23
9
9
12
4
4
Swell 3
Height (m)
Direction
Period (s)
0.1
NW
13
0.2
WNW
13
0.2
WNW
13
0.1
W
12
0.1
SE
7
0.3
WNW
7
0.1
SE
5
0.2
W
11
Energy kJ
7
17
17
3
2
10
1
9
Wind waves
Height (m)
Direction
Period (s)
0.2
SSE
4
0.3
S
2
0.4
WSW
2
0.6
W
6
0.6
WNW
6
0.2
SSE
2
0.3
SSE
2
0.3
SSE
2
0.2
SSE
3
0.3
SE
3
0.4
SE
3
0.4
ESE
4
0.4
SE
4
0.2
SSE
2
Energy kJ
1
1
2
24
30
1
1
1
1
1
2
5
5
1
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
2
2
1
4
1
1
1
1
1
1
1
1
1
2
1
1
2
2
1
1
Distance (km)
53
52
0
3
0
3
265
203
55
7
0
8
3
3
3
74
3
52
99
70
99
70
70
70
Best forecast wave conditions in Antrim
Rating
(10 max)
1
1
2
2
1
1
1
1
1
1
1
Best forecast wave conditions in Ireland
Rating
(10 max)
2
3
4
4
3
2
4
4
4
3
3
3
2
2
2
2
2
2
2
1
2
3
2
2
Header Global
Rating
(10 max)
4
4
4
5
5
5
4
4
4
5
5
4
4
5
5
4
4
4
4
5
5
5
7
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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