Portballintrae surf break

Portballintrae surfForecast / Antrim / Ireland

information circle48hr Weather and Surf, issued 12 pm Saturday 09 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
9.8° C
(Which is normal for this time of year)

How big are the waves at Portballintrae today?

The current surf forecast for Portballintrae at 5PM is: 1.5m 6s primary swell from a North-northwest direction and 0.2m 11s secondary swell from a West-northwest direction (forecast issued at 12:00pm May 09). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (09 May)3ft (0.9m)10s
Afternoon (09 May)5ft (1.5m)5s
Evening (09 May)5ft (1.5m)6s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Mon night. Very mild (max 10°C on Mon night, min 7°C on Sat morning). Winds decreasing (fresh winds from the N on Sat morning, light winds from the WNW by Mon afternoon).

Sat
9
Sunday
10
Monday
11
Tue
12
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
0
0
0
0
0
0
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)
0.9
NNW
10
1.5
NNW
5
1.5
NNW
5
1.6
NNW
6
1.4
NNW
6
1.3
NNW
6
1.2
NNW
6
1
NNW
5
0.7
NNW
5
0.7
NW
7
0.8
NW
7
1
NW
8
1.1
NW
7
1.1
NW
7
1.1
NW
8
1.2
NNW
8
1.3
NNW
8
1.1
NW
8
1.1
NW
8
1
NW
9
1.1
NW
9
1.1
NW
9
1.2
NW
9
1.5
NW
8
Wave Graph
Metric surfscale
Energy kJ
145
117
126
154
118
102
84
55
26
56
65
108
118
140
159
171
197
167
153
142
172
202
216
275
Wind (km/h)
30
N
35
N
35
N
35
N
30
N
25
N
25
N
15
N
15
NNW
20
NW
25
NW
25
WNW
20
NW
25
NW
20
NNW
20
N
20
N
20
NNW
15
NW
10
WNW
20
W
25
WSW
30
W
35
WNW
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
2:45PM1.28m
2:39AM1.64m
3:48PM1.32m
3:29AM1.70m
4:34PM1.39m
4:11AM1.79m
Low Tide
8:40AM0.96m
8:00PM1.01m
9:35AM0.88m
9:13PM0.95m
10:19AM0.79m
9:58PM0.85m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
light rain
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:26
5:24
5:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:15
9:17
9:20
9:22
1
Temp °C
7
7
8
7
7
7
7
7
8
8
9
9
9
9
8
7
7
7
8
8
10
9
10
9
-1
-1
0
-1
0
0
1
2
3
3
3
3
4
4
3
2
1
1
3
5
6
4
4
1
Swell 1
Height (m)
Direction
Period (s)
0.9
NNW
10
0.2
WNW
12
0.2
WNW
12
0.2
WNW
11
0.4
NNW
9
0.2
WNW
11
0.2
WNW
11
1
NNW
5
0.3
NNW
8
0.2
WNW
10
0.2
W
10
0.2
W
10
0.1
W
10
1.1
NW
7
1.1
NW
8
1.1
NW
8
1.1
NW
8
1
NW
9
1.1
NW
9
1.1
NW
9
1.2
NW
9
Energy kJ
145
13
13
12
28
11
11
55
13
9
7
7
2
140
159
167
153
142
172
202
216
Swell 2
Height (m)
Direction
Period (s)
0.2
WNW
12
0.2
WNW
11
0.2
WNW
11
0.2
WNW
11
0.2
WNW
11
0.3
NW
8
0.1
W
10
0.1
NW
15
0.1
NW
14
Energy kJ
14
11
11
11
11
9
2
8
7
Swell 3
Height (m)
Direction
Period (s)
0.1
NW
8
0.2
WNW
10
Energy kJ
3
10
Wind waves
Height (m)
Direction
Period (s)
1.2
NNW
5
1.5
NNW
5
1.5
NNW
5
1.6
NNW
6
1.4
NNW
6
1.3
NNW
6
1.2
NNW
6
0.7
NNW
5
0.7
NW
7
0.8
NW
7
1
NW
8
1.1
NW
7
1.2
NNW
8
1.3
NNW
8
1.5
NW
8
Energy kJ
73
117
126
154
118
102
84
26
56
65
108
118
171
197
275
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
4
3
1
1
1
3
1
3
3
1
1
1
2
1
2
1
1
1
1
1
Distance (km)
430
430
775
345
388
388
58
140
140
421
363
329
329
140
326
55
112
140
53
7
267
287
324
324
Best forecast wave conditions in Antrim
Rating
(10 max)
1
Best forecast wave conditions in Ireland
Rating
(10 max)
2
2
2
1
1
1
1
1
Header Global
Rating
(10 max)
5
5
9
5
4
5
4
4
4
9
9
7
5
5
5
5
5
5
5
5
9
6
6
6
  • 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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