Portballintrae surf break

Portballintrae surfForecast / Antrim / Ireland

information circle48hr Weather and Surf, issued 6 am Monday 04 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 10AM is: 0.5m 9s primary swell from a Northwest direction and 0.1m 7s secondary swell from a North direction, 0.5m 5s secondary swell from a North-northwest direction (forecast issued at 06:00am May 04). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (04 May)1.5ft (0.5m)9s
Afternoon (04 May)2ft (0.6m)9s
Evening (04 May)2ft (0.6m)8s

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 Wed morning. Very mild (max 11°C on Mon afternoon, min 5°C on Wed night). Winds decreasing (fresh winds from the NNW on Tue afternoon, light winds from the SSE by Wed night).

Monday
4
Tuesday
5
Wednesday
6
Thu
7
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
Swell
Height Map
<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>
<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)
0.6
WNW
9
0.5
NW
9
0.5
NW
9
0.5
NW
9
0.6
NW
9
0.4
WNW
9
0.6
NW
8
0.6
NNW
8
0.8
NW
8
0.9
NW
8
1
NW
8
0.9
NW
7
0.9
NW
7
0.9
NW
7
1.1
NW
8
1.2
NNW
7
1
NNW
8
0.8
NNW
7
0.8
NW
8
0.7
NW
8
0.6
NW
8
0.4
WNW
8
0.4
NW
8
0.4
NW
8
Wave Graph
Metric surfscale
Energy kJ
55
40
40
40
64
31
53
42
79
94
110
91
91
71
163
146
120
59
75
64
41
25
18
16
Wind (km/h)
15
NW
15
NW
15
NW
15
NW
15
WNW
20
WNW
15
WNW
15
WNW
15
NNW
20
NNW
25
NNW
25
NNW
30
NNW
25
NNW
15
N
20
E
20
ESE
20
E
20
E
25
SE
20
SE
15
SE
10
W
10
SSE
on
on
on
on
on
cross-on
cross-on
cross-on
on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-on
cross-off
High Tide
8:47AM1.70m
9:15PM1.90m
9:23AM1.62m
9:55PM1.83m
10:03AM1.52m
10:41PM1.74m
Low Tide
2:32AM0.61m
3:00PM0.60m
3:14AM0.74m
3:34PM0.71m
4:01AM0.87m
4:11PM0.81m
part cloud
part cloud
clear
clear
part cloud
cloud
part cloud
cloud
cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
part cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:39
5:37
5:35
5:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:07
9:08
9:10
9:12
1
Temp °C
8
8
9
9
11
10
10
10
9
8
8
9
7
7
8
7
7
6
6
7
10
11
9
7
4
4
5
4
7
5
6
6
5
3
2
3
-1
0
4
3
2
1
1
1
5
7
6
4
Swell 1
Height (m)
Direction
Period (s)
0.7
NNW
6
0.6
NNW
5
0.5
NW
9
0.5
NW
9
0.6
NW
9
0.4
WNW
9
0.6
NW
8
0.6
NNW
8
0.8
NW
8
0.9
NW
8
0.1
NW
11
0.2
WNW
11
0.3
NW
11
0.5
NW
10
1.1
NW
8
1.2
NNW
7
1
NNW
8
0.8
NNW
7
0.8
NW
8
0.7
NW
8
0.6
NW
8
0.4
WNW
8
0.4
ESE
4
0.4
ESE
5
Energy kJ
27
18
40
40
64
31
53
42
79
94
5
12
18
44
163
146
120
59
75
64
41
25
5
9
Swell 2
Height (m)
Direction
Period (s)
0.6
WNW
9
0.5
NW
9
0.1
N
7
0.2
NNW
9
0.4
NW
8
0.4
WNW
9
0.5
WNW
8
0.2
WNW
8
0.2
WNW
8
0.1
NW
11
0.5
NW
9
0.5
NW
9
0.5
NW
9
0.6
NW
9
0.2
NNW
10
0.2
NNW
10
0.2
NNW
10
0.3
NNW
10
0.4
NW
8
0.4
NW
8
Energy kJ
55
40
1
7
17
30
36
7
7
5
43
40
41
59
10
9
9
18
16
16
Swell 3
Height (m)
Direction
Period (s)
0.1
N
8
0.1
N
8
0.3
NNW
10
0.2
WNW
4
Energy kJ
1
1
18
1
Wind waves
Height (m)
Direction
Period (s)
0.5
NNW
5
0.4
NNW
4
0.4
NW
4
0.5
NW
4
1
NW
8
0.9
NW
7
0.9
NW
7
0.9
NW
7
0.3
ENE
3
0.3
E
3
0.4
ESE
3
0.4
ESE
3
0.4
SE
4
0.2
W
3
Energy kJ
13
8
5
9
110
91
91
71
2
2
3
4
4
1
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
388
123
137
39
147
314
329
343
7
7
268
151
140
314
813
314
54
0
0
0
0
0
0
0
Best forecast wave conditions in Antrim
Rating
(10 max)
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in Ireland
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
4
4
4
4
5
5
5
4
5
4
5
5
5
5
5
5
5
5
6
5
9
9
9
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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