Porthtowan surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 5 pm Friday 23 Jan 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Porthtowan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porthtowan sea temperature is
10.2° C
(Which is normal for this time of year)


How big are the waves at Porthtowan today?

The current surf forecast for Porthtowan at 2AM is: 4.5m 16s primary swell from a West direction and 4.0m 10s secondary swell from a South-southwest direction (forecast issued at 05:00pm January 23). The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (24 Jan)18ft (5.5m)16s
Afternoon (24 Jan)20ft (6.0m)18s
Evening (24 Jan)20ft (6.0m)16s

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

Updates in  hr  min  s Forecast update imminent
Friday
23
Saturday
24
Sunday
25
Monday
26
3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM
Rating
(10 max)
!
!
0
0
0
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
4
3
Swell
Height Map
Wave Height (m) & direction (?)
7
SSW
5
WSW
4.5
WSW
4.5
WSW
4.5
W
4.5
W
5.5
WSW
5.5
W
6
W
6
W
6
W
5
W
4.5
W
4
W
3.5
W
3.5
W
5
W
5
W
4.5
W
4.5
W
4
W
3.5
W
3
W
3
WSW
Period(s) (?)171616161616161518161615151414141716161514131312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2725712945103949240854110938149731254020585205311815812616849759904907453916034143421093585366362421631492511
Wind
(km/h)
55
SE
50
SE
50
SSE
50
S
50
S
35
S
35
SSW
35
SSW
35
WSW
35
WSW
35
WSW
25
S
20
W
10
SW
10
W
10
NW
15
NW
15
NNW
20
NW
5
NW
5
E
10
SSE
20
SE
20
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscrosscross-
off
cross-
on
crosscross-
on
ononononglassglasscross-
off
offcross-
off
High Tide
/ height (m)
8:08PM
5.92
8:27AM
6.10
8:50PM
5.74
9:11AM
5.84
9:37PM
5.48
10:03AM
5.49
Low Tide
/ height (m)
2:10PM
0.56
2:22AM
0.70
2:49PM
0.74
3:04AM
0.92
3:33PM
1.00
3:53AM
1.20
Friday
23
Saturday
24
Sunday
25
Monday
26
Sunrise------8:06-------8:04-------8:03-
Sunset4:58-------4:59-------5:00-------
light rain
light rain
rain showers
light rain
light rain
rain showers
light rain
light rain
part cloud
rain showers
clear
cloud
light rain
cloud
cloud
cloud
cloud
cloud
clear
part cloud
clear
cloud
cloud
light rain
Rain (mm)
21312531-1--4----------1
Temp. °C899989899888777887777679
Feels °C (?)-3-2-1-2-22021002234442254224
  • 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

Latest Updates

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 Porthtowan 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest