Ballycastle surfForecast / Antrim / Ireland

information circle12 Day Weather and Surf, issued 6 pm Thursday 10 Jul 2025 BST
Forecast update in hr  min  s Forecast update imminent
Ballycastle surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ballycastle sea temperature is
13.5° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Ballycastle this week:

The surf forecast for Ballycastle over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 11) at 1AM. The primary swell is predicted to be 0.8m and 9s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Ballycastle in the next 12 days are 0.8m 9s and forecast to arrive on Friday (Jul 11) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Sunday (Jul 13) at 4PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Fri 11th Jul)2.5ft (0.8m) 9s
Best Surf 1AM (Fri 11th Jul)2.5ft (0.8m) 9s
Most Powerful 1AM (Fri 11th Jul)2.5ft (0.8m) 9s

Table - best surf conditions forecast for Ballycastle over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Thu
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tue
22
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
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
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
WNW
0.8
WNW
0.6
WNW
0.7
WNW
0.5
WNW
0.4
NW
0.4
WNW
0.3
WNW
0.3
WNW
0.3
WNW
0.3
WNW
0.4
WNW
0.3
WNW
0.3
WNW
0.3
WNW
0.4
WNW
0.6
WNW
0.5
WNW
0.5
WNW
0.4
WNW
0.4
WNW
0.6
WNW
0.7
WNW
0.7
WNW
0.6
WNW
0.4
WNW
0.3
WNW
0.2
WNW
0.3
WNW
0.5
WNW
0.4
WNW
0.6
WNW
0.7
WNW
0.6
WNW
0.6
WNW
0.7
W
Period(s) (?)891010910109991099881199891110988766109999998
Wave
Graph
(?)Metric surfscale
Energy (?)8294748148484016151525332025164869423925618073594119851947398390655966
Wind
(km/h)
10
S
5
S
15
SSE
15
SSE
10
SSE
15
SE
20
SE
15
SE
20
SE
25
SE
15
ESE
10
SW
15
NW
5
SSW
20
W
15
NW
10
SE
15
SSE
15
SE
15
SE
15
SSE
10
WNW
5
WNW
10
WNW
10
N
5
ESE
10
SE
20
SE
15
SE
30
ESE
20
ESE
20
ESE
15
ESE
15
SE
10
SW
5
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
offcross-
off
offoffoffoffoffoffoffcrossoncross-
off
cross-
on
onoffoffoffoffcross-
off
onglasscross-
on
cross-
on
offoffoffoffoffoffoffoffoffcrosscross
High Tide
/ height (m)
7:08PM
0.54
6:02AM
0.42
7:44PM
0.58
6:12AM
0.42
8:21PM
0.61
5:23AM
0.42
8:57PM
0.63
5:25AM
0.43
9:33PM
0.64
5:48AM
0.43
10:06PM
0.63
6:19AM
0.43
10:33PM
0.60
6:55AM
0.42
10:44PM
0.55
7:34AM
0.40
10:35PM
0.49
8:21AM
0.39
10:45PM
0.44
4:03AM 9:32AM
0.42 0.36
5:33PM
0.31
11:09PM
0.38
5:18AM 11:13AM
0.41 0.34
5:50PM
0.41
11:43PM
0.33
6:03AM
0.39
Low Tide
/ height (m)
12:04AM
0.30
11:51AM
0.06
12:33AM
0.31
12:21PM
0.01
1:06AM
0.32
12:53PM
-0.03
1:43AM
0.33
1:24PM
-0.05
2:25AM
0.34
1:56PM
-0.05
3:10AM
0.36
2:28PM
-0.02
3:59AM
0.37
2:57PM
0.04
4:58AM
0.38
3:18PM
0.11
6:23AM
0.38
2:21PM
0.19
1:40AM
0.40
8:00AM
0.36
2:01PM
0.25
7:17PM 1:57AM
0.30 0.34
8:59AM
0.32
2:07PM
0.30
9:31PM 2:31AM
0.31 0.29
9:44AM
0.27
Thu
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tue
22
Sunrise--4:58--5:00--5:01--5:01--5:03--5:05--5:05--5:07--5:09--5:11--5:11--5:13
Sunset10:01--10:00--10:00--9:59--9:57--9:55--9:54--9:53--9:52--9:51--9:50--9:47--
cloudclearclearclearclearclearclearclearclearpart cloudpart cloudrain showersrain showersclearpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudcloudcloudpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudcloudpart cloudrain showersrain showersrain showers
Rain (mm)
-----------13--------------------332
Temp. °C201921232021232119211917151415151517191820171415151518191619191717181516
Feels °C (?)202019231919221915171717141411121315171617161314131515161414161415161416

Short Range Forecast: Mostly dry. Warm (max 23°C on Fri afternoon, min 16°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Mon afternoon. Warm (max 21°C on Sun afternoon, min 11°C on Mon night). Wind will be generally light.

Days 6-9 Weather Summary Mostly dry. Warm (max 20°C on Thu morning, min 13°C on Thu night). Wind will be generally light.

Long Range Forecast: Moderate rain (total 11mm), heaviest on Tue afternoon. Very mild (max 19°C on Sat afternoon, min 14°C on Mon night). Winds decreasing (fresh winds from the SE on Sun morning, calm by Tue morning).

  • 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 12 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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