Castletown Surf Break

Lat Long: 54.07° N 4.65° W

Castletown 48 hour detailed Surf Forecast

Issued: 6 pm 23 Aug 2026 (local time)

Forecast update in  hr  min

Today's Castletown sea temperature is
16.2°C
0.9° 

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 (23 Aug):

  • Afternoon surf: Afternoon surf (23 Aug, local time) - 0.5ft (0.1m), 14s period with S swell.
  • Evening surf: Evening surf (23 Aug, local time) - 0.5ft (0.1m), 13s period with S swell.

The current surf forecast for Castletown at 10PM is: 0.1m 13s primary swell from a South direction (forecast issued at 06:00pm August 23). The wind direction is predicted to be offshore.

Time (BST) & DateWave HeightWave Period
Morning (23 Aug)--
Afternoon (23 Aug)0.5ft (0.1m)14s
Evening (23 Aug)0.5ft (0.1m)13s

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


Short Range Forecast

Mostly dry. Warm (max 20°C on Tue afternoon, min 14°C on Sun afternoon). Winds increasing (calm on Sun afternoon, strong winds from the E by Tue night).

Sun
23
Monday
24
Tuesday
25
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.1
S
13
0.1
S
13
0.1
S
13
0.1
S
13
0.1
S
13
0.1
S
14
0.7
ESE
4
0.8
ESE
4
0.7
ESE
4
0.6
E
4
0.1
S
13
1
ESE
4
1
ESE
5
1.2
ESE
5
1.3
ESE
5
1.2
E
5
1
E
5
0.1
S
13
1.2
E
5
Wave Graph
Metric surfscale
Energy kJ
4
4
4
3
4
4
12
22
16
10
3
43
53
75
91
75
47
3
60
Wind (km/h)
5
N
5
NNE
5
NNE
10
ENE
15
E
20
ESE
25
ESE
25
ESE
20
E
15
ENE
25
ENE
30
ESE
25
E
30
E
35
E
30
E
25
ENE
30
ENE
40
E
Wind State
off
glassy
off
cross-off
cross
cross
cross-on
cross-on
cross
cross-off
cross-off
cross
cross
cross
cross
cross
cross-off
cross-off
cross
High Tide
9:21PM4.08m
9:58AM4.01m
10:15PM4.38m
10:44AM4.28m
Low Tide
3:01PM1.86m
3:43AM1.60m
4:00PM1.63m
4:33AM1.29m
4:44PM1.35m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:31
8:29
8:27
 mm
Temp °C
15
14
14
14
14
15
15
16
18
19
18
16
15
15
15
17
19
20
18
Feels °C
14
13
13
13
12
12
11
11
14
15
13
10
10
10
9
12
15
15
11
  • 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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