Castletown surfForecast / Isle of Man / UK

information circle48hr Weather and Surf, issued 5 am Saturday 21 Mar 2026 GMT
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
8.6° C
(Which is 1.3°C warmer than normal for this time of year)

How big are the waves at Castletown today?

The current surf forecast for Castletown at 12PM is: 0.1m 10s primary swell from a South direction (forecast issued at 05:00am March 21). An open ocean swell of 0.1m 15s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (GMT) & DateWave HeightWave Period
Morning (21 Mar)0.5ft (0.1m)10s
Afternoon (21 Mar)0.5ft (0.2m)9s
Evening (21 Mar)0.5ft (0.2m)9s

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


Updates in  hr  min  s Forecast update imminent
Saturday
21
Sunday
22
Monday
23
Tue
24
3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM
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 (?)
0.1
S
0.1
S
0.1
S
0.1
S
0.2
SSW
0.2
SSW
0.2
SSW
0.2
SSW
0.2
SSW
0.2
SSW
0.5
W
0.5
WSW
0.5
WSW
0.2
SSW
0.2
SSW
0.2
SSW
0.2
SSW
0.2
SSW
0.2
SSW
0.2
SSW
0.6
SSW
1.1
SSW
1.3
SSW
1.7
SSW
Period(s) (?)881010999988444899888103456
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1122888777777777777964392163
Wind
(km/h)
5
SW
5
SSE
5
W
5
SW
10
WSW
10
SW
15
SW
15
SSW
15
WSW
20
W
15
W
15
W
20
NW
25
NNW
20
NNW
15
NW
10
NW
5
WNW
10
SSW
25
SSW
30
SSW
40
SSW
40
SSW
40
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
glassglassglasscross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrosscross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
ononcross-
on
cross-
on
High Tide
/ height (m)
12:17AM
5.21
12:33PM
5.48
12:54AM
5.21
1:14PM
5.40
1:36AM
5.12
1:59PM
5.19
Low Tide
/ height (m)
6:22AM
0.27
6:46PM
0.19
7:01AM
0.29
7:27PM
0.34
7:45AM
0.41
8:11PM
0.59
Saturday
21
Sunday
22
Monday
23
Tue
24
Sunrise--6:18-------6:16-------6:13-----
Sunset-----6:31-------6:34-------6:36--
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
cloud
Rain (mm)
------------------------
Temp. °C10101010101010109788987766677889
Feels °C (?)8998777652445112232100-10
  • 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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