Castletown Surf Break

Lat Long: 54.07° N 4.65° W

Castletown 48 hour detailed Surf Forecast

Issued: 12 am 05 Aug 2026 (local time)

Forecast update in  hr  min

Today's Castletown sea temperature is
15.4° C
0.4° 

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 (05 Aug):

  • Morning surf: Morning surf (05 Aug, local time) - 5ft (1.5m), 5s period with WSW swell.
  • Afternoon surf: Afternoon surf (05 Aug, local time) - 2ft (0.6m), 6s period with SSW swell.
  • Evening surf: Evening surf (05 Aug, local time) - 1ft (0.3m), 6s period with SSW swell.

The current surf forecast for Castletown at 7AM is: 1.2m 5s primary swell from a West-southwest direction (forecast issued at 12:00am August 05). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (05 Aug)5ft (1.5m)5s
Afternoon (05 Aug)2ft (0.6m)6s
Evening (05 Aug)1ft (0.3m)6s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Wed afternoon. Very mild (max 16°C on Tue night, min 12°C on Wed night). Winds decreasing (strong winds from the WSW on Wed morning, light winds from the WSW by Thu afternoon).

Wednesday
5
Thursday
6
Friday
7
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
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
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
6
0.7
SSW
5
1.2
WSW
5
1.6
WSW
5
1.5
W
6
0.6
SSW
6
0.4
SSW
6
0.3
SSW
6
0.2
SSW
6
0.2
SSW
6
0.2
SSW
6
0.2
SSW
6
0.5
W
4
0.4
WSW
4
0.5
SW
3
0.7
SW
4
0.6
SSW
4
0.4
SSW
3
0.1
S
12
0.6
SW
4
0.6
WSW
4
0.5
SW
3
0.7
SSW
4
0.9
SSW
4
Wave Graph
Metric surfscale
Energy kJ
55
29
63
143
133
24
15
8
4
4
4
4
9
5
5
15
10
5
4
11
9
5
12
33
Wind (km/h)
25
WNW
30
W
35
W
40
WSW
35
W
35
W
35
WNW
35
WNW
40
WNW
35
WNW
30
WNW
30
WNW
25
W
20
W
15
WSW
20
SW
20
SW
15
SW
20
WSW
20
WSW
20
SW
20
SSW
20
SSW
25
S
Wind State
cross-off
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-on
on
on
High Tide
3:59AM4.88m
4:30PM4.52m
4:49AM4.68m
5:26PM4.37m
5:52AM4.43m
6:36PM4.23m
Low Tide
10:18AM0.76m
10:35PM1.07m
11:10AM0.98m
11:35PM1.27m
12:15PM1.22m
clear
clear
cloud
cloud
part cloud
light rain
rain showers
cloud
cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:37
5:39
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:09
9:07
9:06
 mm
1
1
Temp °C
15
14
14
14
15
15
15
14
13
13
12
13
14
15
16
16
16
15
14
14
14
15
16
16
Feels °C
12
9
8
6
8
9
8
7
5
6
6
7
9
11
12
11
12
12
11
10
10
12
12
12
  • 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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