Castletown Surf Break

Lat Long: 54.07° N 4.65° W

Castletown 48 hour detailed Surf Forecast

Issued: 12 pm 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's Castletown sea temperature is
15.3°C
0.3° 

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 (09 Sep):

  • Morning surf: Morning surf (09 Sep, local time) - 0.5ft (0.1m), 10s period with S swell.
  • Afternoon surf: Afternoon surf (09 Sep, local time) - 0.5ft (0.2m), 7s period with SSW swell.
  • Evening surf: Evening surf (09 Sep, local time) - 3ft (0.9m), 4s period with SW swell.

The current surf forecast for Castletown at 7PM is: 0.4m 3s primary swell from a Southwest direction (forecast issued at 12:00pm September 09). An open ocean swell of 0.3m 4s is not directed at the surf break, a second open ocean swell of 0.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (09 Sep)0.5ft (0.1m)10s
Afternoon (09 Sep)0.5ft (0.2m)7s
Evening (09 Sep)3ft (0.9m)4s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Thu morning. Very mild (max 17°C on Thu afternoon, min 13°C on Wed morning). Winds increasing (light winds from the WSW on Wed afternoon, strong winds from the SSW by Thu morning).

Wed
9
Thursday
10
Friday
11
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)
0.1
SW
9
0.2
SSW
8
0.2
SSW
7
0.4
SW
3
0.9
SW
4
0.9
SSW
4
1.1
SSW
5
1.3
SSW
5
1.9
SSW
6
2.3
SSW
7
2.2
SSW
7
1.6
SSW
7
1.3
SSW
7
0.9
SSW
6
0.8
SSW
6
0.6
SSW
6
0.5
SSW
6
0.4
SSW
6
0.4
SSW
6
0.5
SW
6
0.9
SSW
4
Wave Graph
Metric surfscale
Energy kJ
3
6
5
3
21
34
54
86
255
476
436
230
154
72
44
30
23
15
13
18
21
Wind (km/h)
25
NW
20
NW
10
WSW
20
SW
25
SSW
25
SSW
35
SSW
30
SSW
40
S
45
SSW
40
SW
30
SW
30
WSW
25
W
20
WNW
20
WNW
20
WNW
20
W
15
WSW
20
S
25
S
Wind State
cross-off
cross-off
cross
cross-on
cross-on
on
on
on
on
on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
cross
cross-on
on
on
High Tide
10:50AM4.80m
11:03PM5.17m
11:34AM5.00m
11:44PM5.38m
12:12PM5.10m
Low Tide
4:52PM0.89m
5:20AM0.37m
5:34PM0.66m
6:00AM0.21m
6:12PM0.50m
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:41
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:51
7:47
7:45
 mm
1
1
Temp °C
13
14
14
15
14
15
15
15
15
15
16
17
16
14
14
14
13
13
14
14
14
Feels °C
8
9
11
11
9
10
9
10
8
7
10
13
11
10
11
10
8
9
11
10
9
  • 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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