Castletown surfForecast / Isle of Man / UK

information circle48hr Weather and Surf, issued 12 pm Saturday 18 Apr 2026 BST
Forecast update in hr  min  s Forecast update imminent
Castletown surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castletown sea temperature is
9.0° C
(Which is slightly warmer than usual)

How big are the waves at Castletown today?

The current surf forecast for Castletown at 8PM is: 0.4m 6s primary swell from a South-southwest direction (forecast issued at 12:00pm April 18). An open ocean swell of 0.3m 4s is not directed at the surf break, a second open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (BST) & DateWave HeightWave Period
Morning (18 Apr)2.5ft (0.8m)6s
Afternoon (18 Apr)2.5ft (0.7m)5s
Evening (18 Apr)1.5ft (0.4m)6s

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


Updates in  hr  min  s Forecast update imminent
Saturday
18
Sunday
19
Monday
20
Tuesday
21
10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM
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
Wave Height (m) & direction (?)
0.8
SSW
0.7
SSW
0.5
SSW
0.4
SSW
0.4
SSW
0.3
SSW
0.3
SSW
0.2
SSW
0.2
SSW
0.2
SSW
0.2
SSW
0.1
SW
0.1
SW
0.1
S
0.1
S
0.1
S
0.1
NW
0.4
ESE
0.4
ESE
0.1
S
0.6
E
0.8
ESE
1
ESE
1.2
ESE
Period(s) (?)6556666666655555833154445
Wave
Graph
(?)Metric surfscale
Energy kJ (?)40261515137733331111103349193566
Wind
(km/h)
25
W
20
WNW
15
NW
15
N
15
NNW
10
NW
10
NW
10
NW
10
NW
10
WNW
10
WNW
5
NW
10
NNE
10
N
10
NE
15
E
20
E
20
E
20
E
20
ENE
30
E
30
ESE
30
ESE
30
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
cross-
off
offoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffcross-
off
crosscrosscrosscrosscross-
off
crosscrosscrosscross
High Tide
/ height (m)
12:29PM
5.42
12:51AM
5.29
1:12PM
5.43
1:34AM
5.29
1:59PM
5.31
2:20AM
5.19
Low Tide
/ height (m)
6:42PM
0.16
7:00AM
0.20
7:24PM
0.24
7:45AM
0.22
8:09PM
0.42
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Sunrise-------6:09-------6:07-------6:05
Sunset---8:24-------8:27-------8:29----
clear
clear
part cloud
part cloud
clear
clear
clear
cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
Rain (mm)
------------------------
Temp. °C9101099877889999888810109876
Feels °C (?)35555444545666543354210-1
  • 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

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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