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Surf Forecasts:

Ballycastle surfForecast / Antrim / Ireland

information circle12 Day Weather and Surf, issued 11 am Friday 09 Jan 2026 GMT
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
10.1° C
 (Which is 1.4°C warmer than 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 (Jan 09) at 6PM. The primary swell is predicted to be 1.3m and 12s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Ballycastle in the next 12 days are 2.5m 12s and forecast to arrive on Wednesday (Jan 14) at 12AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Sunday (Jan 11) at 6AM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Fri 9th Jan)4.5ft (1.3m) 12s
Best Surf 3AM (Fri 16th Jan)6ft (1.8m) 16s
Most Powerful12AM (Wed 14th Jan)8ft (2.5m) 12s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 20mm), heaviest during Sat night. Very mild (max 11°C on Sun afternoon, min 2°C on Fri night). Winds increasing (calm on Fri afternoon, near gales from the SSW by Sun night).

Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Wed night. Mild temperatures (max 9°C on Mon morning, min 2°C on Tue night). Winds decreasing (strong winds from the SW on Mon morning, light winds from the SW by Mon night).

Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
1
3
2
2
0
0
0
0
0
0
1
0
0
2
2
2
0
0
2
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
WNW
1.3
WNW
1.5
WNW
1.6
WNW
1.5
WNW
1
WNW
0.9
WNW
0.7
WNW
0.9
WNW
1.8
WNW
1.9
NW
1.4
NW
1.6
NW
2.1
NW
2.5
NW
2.1
NW
1.6
NW
1
NW
0.5
NW
1.7
WNW
1.8
WNW
Period(s) (?)13121413121012121212121171112111110211816
Wave
Graph
(?)Metric surfscale
Energy kJ (?)538443862775575220203137206947104244522710842044107354318521618371713
Wind
(km/h)
5
NW
10
WNW
10
SE
15
S
15
S
40
SSE
40
S
35
SSE
50
SSW
40
SW
25
W
5
SW
20
NNW
20
NW
15
WSW
15
SW
15
S
20
S
20
SW
20
SW
15
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
on		crossononcrosscrosscross-
off		cross-
off		crosscrosscross-
off
High Tide
/ height (m)
5:54PM
0.48
8:51AM
0.52
6:42PM
0.46
9:13AM
0.48
7:36PM
0.42
9:39AM
0.44
5:14PM
0.38
8:53PM
0.38
10:12AM
0.40
5:19PM
0.36
10:36PM
0.34
5:51AM 10:57AM
0.39 0.36
5:22PM
0.35
5:44AM
0.43
12:24PM 5:05PM
0.34 0.35
Low Tide
/ height (m)
2:25PM
0.44
1:13AM
0.02
1:32PM
0.41
1:20AM
0.09
1:22PM
0.36
1:31AM
0.17
1:42PM
0.33
7:23PM 1:45AM
0.37 0.23
2:08PM
0.31
8:25PM 1:50AM
0.33 0.29
8:49AM
0.35
2:31PM
0.31
9:08PM
0.28
10:05AM
0.33
2:34PM
0.33
9:41PM
0.23
Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Sunrise8:47--8:45--8:45--8:45--8:44--8:42--8:41--
Sunset-4:15--4:17--4:19--4:21--4:22--4:23--4:25-
light rain
rain showers
clear
part cloud
cloud
mod rain
light rain
light rain
rain showers
part cloud
rain showers
part cloud
light rain
part cloud
part cloud
cloud
cloud
light rain
light rain
part cloud
clear
Rain (mm)
21---8243-1-1----21--
Temp. °C553348101110987554444553
Feels °C (?)21-1-2-1-14420240-1-1-10-2-1-1-2
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Ballycastle surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Ballycastle at:
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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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