Ballycastle Surf Break

Lat Long: 55.22° N 6.23° W

Ballycastle Surf Forecast and Surf Report

Issued: 6 am 30 Jul 2026 (local time)

Forecast update in  hr  min

Today's Ballycastle sea temperature is
13.8° C
0.5° 

Ballycastle surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Ballycastle surf forecast from 30 Jul 2026:

  • Best quality surf: Sunday 2 Aug, 10AM (local time) - 2.5ft (0.8m), 8s period, NW swell with glassy winds.
  • Most powerful swell: Thursday 30 Jul, 1PM (local time) - 4.5ft (1.3m), 8s period, WNW swell with 213 kJ wave energy.
  • Next surfable swell (1★+): Sunday 2 Aug, 10AM (local time) - 2.5ft (0.8m), 8s period with NW swell.

Best Forecast Surf Conditions for Ballycastle this week:

The surf forecast for Ballycastle over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 02) at 10AM. The primary swell is predicted to be 0.8m and 8s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Ballycastle in the next 16 days are 1.3m 8s and forecast to arrive on Thursday (Jul 30) at 1PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Tuesday (Aug 04) at 4PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)10AM (Sun 2nd Aug)2.5ft (0.8m) 8s
Best Surf10AM (Sun 2nd Aug)2.5ft (0.8m) 8s
Most Powerful 1PM (Thu 30th Jul)4.5ft (1.3m) 8s

Table - best surf conditions forecast for Ballycastle over the next 16 days.


Short Range Forecast

Light rain (total 3mm), mostly falling on Thu afternoon. Very mild (max 15°C on Thu afternoon, min 10°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Mon night. Very mild (max 15°C on Sun afternoon, min 12°C on Sun night). Wind will be generally light.

Thursday
30
Friday
31
Saturday
1
Sunday
2
Monday
3
Tuesday
4
Wednesday
5
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
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)
1.2
WNW
8
1.3
NW
8
0.8
NW
7
0.4
NW
6
0.7
WNW
7
0.7
WNW
7
0.7
WNW
6
0.9
WNW
6
0.9
NW
7
0.8
NW
8
0.8
NW
8
0.7
NW
8
0.6
NW
7
0.4
NW
7
0.3
NW
6
0.3
NW
6
0.4
NW
6
0.4
NW
7
0.2
NNW
6
0.4
NW
6
0.4
NW
6
Wave Graph
Metric surfscale
Energy kJ
158
191
54
9
44
40
35
74
69
71
75
57
33
16
6
5
9
11
3
11
10
Wind (km/h)
20
W
20
WNW
15
SW
20
WSW
20
WNW
15
WSW
25
W
25
WNW
15
W
5
WNW
10
NE
5
NNE
5
NE
5
NE
5
SSE
5
ENE
10
E
5
ENE
15
E
15
ESE
10
E
Wind State
cross-on
on
cross
cross
on
cross-on
cross-on
on
cross-on
glassy
cross
cross
cross
cross
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
7:47PM0.63m
6:04AM0.44m
8:13PM0.64m
6:12AM0.45m
8:39PM0.65m
6:16AM0.46m
9:02PM0.63m
6:33AM0.46m
9:20PM0.60m
6:59AM0.45m
9:25PM0.56m
7:29AM0.44m
9:21PM0.52m
Low Tide
12:03PM0.01m
00:52AM0.32m
12:26PM-0.04m
1:11AM0.31m
12:53PM-0.06m
1:36AM0.30m
1:21PM-0.06m
2:07AM0.28m
1:50PM-0.03m
2:40AM0.27m
2:20PM0.02m
3:15AM0.28m
2:48PM0.09m
3:50AM0.30m
part cloud
rain showers
part cloud
light rain
rain showers
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
light rain
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:28
5:31
5:33
5:35
5:37
5:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:32
9:30
9:29
9:27
9:24
9:22
9:21
 mm
1
1
1
1
1
Temp °C
14
15
12
15
14
13
15
15
13
14
15
13
14
15
14
14
14
14
14
14
14
Feels °C
8
11
10
11
10
10
10
11
11
13
14
11
13
13
13
13
12
13
12
12
13
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Ballycastle Surf forecast

The above surf forecast table for Ballycastle provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ballycastle can be found by selecting the local surf guide option on the grey menu. Our Ballycastle surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Ballycastle) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Ballycastle may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Antrim? If you are looking for accommodation near Ballycastle, camping, hotels and holiday cottages in Antrim, consider staying in Ballycastle which is 2 km (1 miles) away. Other places in and around Antrim where you can find information about places to rent, and car hire include Ballypatrick which is 6 km (4 miles) away, Coleraine, Ballymena and Campbeltown.

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