Castletown surfForecast / Isle of Man / UK

information circle48hr Weather and Surf, issued 11 pm Friday 20 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
8.4° C
(Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Castletown today?

The current surf forecast for Castletown at 8AM is: 0.1m 10s primary swell from a South direction (forecast issued at 11:00pm March 20). 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
9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM
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
0.1
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
0.4
SSW
1
SSW
Period(s) (?)888810109999884448998881034
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1111228887777777777779335
Wind
(km/h)
10
SW
5
SSW
5
W
0
SE
5
NNW
0
SW
5
SW
10
SW
10
SW
15
SSW
15
WSW
20
WSW
15
W
15
W
15
NW
30
NNW
20
NNW
20
NW
15
NW
10
NW
10
SW
20
SSW
30
SSW
40
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
onglassglassglassglasscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
cross-
on
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)
6:09PM
0.14
6:22AM
0.27
6:46PM
0.19
7:01AM
0.29
7:27PM
0.34
7:45AM
0.41
Saturday
21
Sunday
22
Monday
23
Sunrise----6:18-------6:16-------6:13---
Sunset-------6:31-------6:34-------6:36
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C1010101010101010101097788877666777
Feels °C (?)77898987775234411212310-1
  • 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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