Castletown Surf Break

Lat Long: 54.07° N 4.65° W

Castletown 48 hour detailed Surf Forecast

Issued: 12 pm 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Castletown sea temperature is
15.3°C
0.2° 

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 (08 Sep):

  • Morning surf: Morning surf (08 Sep, local time) - 5ft (1.6m), 5s period with WSW swell.
  • Afternoon surf: Afternoon surf (08 Sep, local time) - 1ft (0.3m), 6s period with SSW swell.
  • Evening surf: Evening surf (08 Sep, local time) - 0.5ft (0.2m), 6s period with SSW swell.

The current surf forecast for Castletown at 7PM is: 0.3m 6s primary swell from a South-southwest direction and 0.1m 11s secondary swell from a South direction (forecast issued at 12:00pm September 08). An open ocean swell of 1.3m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (08 Sep)5ft (1.6m)5s
Afternoon (08 Sep)1ft (0.3m)6s
Evening (08 Sep)0.5ft (0.2m)6s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Thu afternoon. Very mild (max 16°C on Tue afternoon, min 12°C on Wed morning). Winds decreasing (strong winds from the NW on Tue night, light winds from the WSW by Wed afternoon).

Tue
8
Wednesday
9
Thursday
10
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)
1.6
WSW
5
1.5
W
5
0.3
SSW
6
0.3
SSW
6
0.2
SSW
6
0.2
SSW
6
0.1
SW
6
0.1
S
10
0.1
SW
8
0.1
SW
8
0.3
WSW
3
0.5
SW
3
0.7
SW
4
0.6
SSW
4
0.6
SSW
4
0.9
SSW
4
1.5
SSW
5
2.2
SSW
6
2.5
SSW
7
1.8
SSW
7
1.4
SSW
7
Wave Graph
Metric surfscale
Energy kJ
138
126
6
6
4
4
1
2
3
2
2
4
14
10
11
36
112
393
622
316
168
Wind (km/h)
35
W
40
W
35
WNW
40
WNW
45
NW
45
NW
40
NW
30
NW
25
NW
20
NW
15
WSW
20
SW
25
SSW
25
SSW
30
SSW
30
SSW
35
S
45
SSW
45
SSW
30
SW
25
W
Wind State
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
on
on
cross-on
on
on
on
cross-on
cross-on
cross
High Tide
9:58AM4.52m
10:15PM4.86m
10:50AM4.80m
11:03PM5.17m
11:34AM5.00m
Low Tide
4:03PM1.18m
4:35AM0.65m
4:52PM0.89m
5:20AM0.37m
5:34PM0.66m
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:39
6:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:52
7:51
7:47
 mm
1
2
1
1
Temp °C
13
14
16
15
13
13
13
13
12
13
14
14
14
15
15
15
15
15
15
16
16
Feels °C
6
7
9
7
4
5
5
7
6
9
10
10
9
10
9
10
9
7
8
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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