Castletown Surf Break

Lat Long: 54.07° N 4.65° W

Castletown 48 hour detailed Surf Forecast

Issued: 12 pm 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Castletown sea temperature is
15.6°C
0.7° 

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


How big are the waves at Castletown today (15 Sep):

  • Morning surf: Morning surf (15 Sep, local time) - 5ft (1.6m), 6s period with WSW swell.
  • Afternoon surf: Afternoon surf (15 Sep, local time) - 4.5ft (1.4m), 5s period with WSW swell.
  • Evening surf: Evening surf (15 Sep, local time) - 1.5ft (0.4m), 5s period with SSW swell.

The current surf forecast for Castletown at 3AM is: 1.6m 6s primary swell from a Southwest direction (forecast issued at 12:00pm September 14). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (15 Sep)5ft (1.6m)6s
Afternoon (15 Sep)4.5ft (1.4m)5s
Evening (15 Sep)1.5ft (0.4m)5s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Mon night. Very mild (max 17°C on Mon night, min 13°C on Tue night). Mainly strong winds.

Mon
14
Tuesday
15
Wednesday
16
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
Rating
(10 max)
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 Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
S
4
0.5
S
5
1
SSW
5
1.8
SSW
6
2.1
SSW
7
1.8
SSW
7
1.6
SW
6
1.6
SW
6
1.7
WSW
6
1.6
WSW
5
1.4
WSW
5
0.6
SSW
6
0.4
SW
5
0.2
SSW
6
0.2
SSW
5
0.2
SSW
6
0.1
S
11
0.1
SW
6
0.6
W
4
0.7
WSW
4
0.9
WSW
4
Wave Graph
Metric surfscale
Energy kJ
10
12
45
224
383
298
223
171
163
143
91
20
7
3
3
3
2
1
12
15
26
Wind (km/h)
15
SSW
20
SSW
25
S
40
SSW
30
SW
30
SW
30
W
35
W
35
WSW
35
W
20
WNW
30
NW
35
WNW
35
NW
35
NW
30
WNW
30
WNW
25
WNW
30
WSW
20
WSW
30
SW
Wind State
cross-on
on
on
on
cross-on
cross-on
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-on
High Tide
1:59PM4.99m
2:15AM5.17m
2:35PM4.85m
2:53AM4.91m
3:12PM4.65m
Low Tide
7:50AM0.35m
8:02PM0.55m
8:26AM0.57m
8:40PM0.74m
9:02AM0.87m
9:19PM1.00m
clear
clear
part cloud
part cloud
light rain
light rain
rain showers
cloud
clear
cloud
clear
rain showers
clear
part cloud
cloud
clear
part cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:50
6:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:37
7:36
7:32
 mm
2
2
1
2
Temp °C
16
16
16
16
17
16
15
14
14
14
16
15
14
13
13
13
13
14
15
15
14
Feels °C
15
14
12
10
14
12
10
8
7
8
12
10
8
7
7
7
7
9
9
10
8
  • 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
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Castletown 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.


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