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Surf Forecasts:

Porthtowan surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 5 am Monday 16 Mar 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
10.4° C
 (Which is slightly warmer than usual)

How big are the waves at Porthtowan today?

The current surf forecast for Porthtowan at 1PM is: 3.5m 17s primary swell from a West direction (forecast issued at 05:00am March 16). The wind direction is predicted to be cross-shore and the swell rating is 11.

Time (GMT) & DateWave HeightWave Period
Morning (16 Mar)11ft (3.5m)18s
Afternoon (16 Mar)11ft (3.5m)17s
Evening (16 Mar)10ft (3.0m)16s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Monday
16
Tuesday
17
Wednesday
18
Thu
19
3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM
Rating
(10 max)
0
!
!
!
0
2
3
3
2
2
2
1
2
3
3
4
4
3
!
!
2
1
1
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
3.5
WNW
4.5
W
3.5
WNW
3.5
WNW
3.5
W
3
W
3
W
3
W
2.4
W
2.2
WNW
2.1
WNW
2.5
W
2.3
W
2.5
W
2.4
W
2.4
W
2.2
W
1.9
W
3.5
W
3.5
W
3
W
2.5
W
2.3
W
2
W
Period(s) (?)201918181716161615141413131313131218171616151414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)11169146648651774067715225478440132543189515412348186221491922182514392423652458834371293222471527
Wind
(km/h)
30
W
30
WSW
25
WSW
35
SW
35
SW
35
SW
30
SSW
30
SSW
35
SSW
30
S
35
S
35
S
35
S
25
S
15
SSE
15
SE
20
ESE
30
ESE
35
ESE
40
ESE
35
ESE
40
ESE
35
E
35
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		crosscrosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
3:45PM
5.28
4:01AM
5.73
4:21PM
5.79
4:37AM
6.23
4:56PM
6.23
Low Tide
/ height (m)
9:48AM
1.28
10:02PM
1.11
10:25AM
0.76
10:38PM
0.64
10:59AM
0.32
11:12PM
0.25
Monday
16
Tuesday
17
Wednesday
18
Thu
19
Sunrise--6:33-------6:31-------6:28-----
Sunset-----6:25-------6:28-------6:29--
cloud
cloud
cloud
cloud
part cloud
clear
part cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C991010101091099101212111091010111212111010
Feels °C (?)234323342235567564445322
  • 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

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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.

View detailed surf forecast for Porthtowan at:
surf-forecast.com

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