Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

Porthtowan surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 11 am Friday 21 Nov 2025 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
13.4° C
 (Which is 1.3°C warmer than normal for this time of year)

How big are the waves at Porthtowan today?

The current surf forecast for Porthtowan at 5PM is: 0.8m 14s primary swell from a West direction and 0.6m 10s secondary swell from a West direction, 0.5m 5s secondary swell from a West direction (forecast issued at 11:00am November 21). The wind direction is predicted to be cross-shore.

Time (GMT) & DateWave HeightWave Period
Morning (21 Nov)2ft (0.6m)10s
Afternoon (21 Nov)2.5ft (0.8m)14s
Evening (21 Nov)3.5ft (1.0m)14s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Friday
21
Saturday
22
Sunday
23
Monday
24
9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM
Rating
(10 max)
1
2
1
1
1
0
0
0
0
0
0
2
1
3
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
W
0.7
W
0.8
W
0.9
W
1
W
1.1
W
1.1
W
2.3
SW
1
W
1.1
W
1.1
W
1
W
1
W
2
WSW
2.5
W
3
W
3.5
W
4
W
4
W
4
WNW
4
WNW
3.5
WNW
3.5
WNW
3
WNW
Period(s) (?)101414141413137131313131312789101010101099
Wave
Graph
(?)Metric surfscale
Energy kJ (?)752062573153614234234953404114043303141132551125721843078363037772980245419421586
Wind
(km/h)
5
NE
5
S
10
SW
15
SW
20
SSW
30
SSW
40
SSW
40
SW
20
WNW
15
WNW
15
WNW
10
SW
15
SSW
15
SE
35
W
40
WNW
40
WNW
40
WNW
40
WNW
40
WNW
40
WNW
40
WNW
40
WNW
35
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		crosscrosscross-
off		cross-
off		cross-
off		cross-
off		ononcross-
on		cross-
off		cross-
off		offcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
5:36PM
5.81
5:52AM
5.91
6:10PM
5.71
6:26AM
5.80
6:44PM
5.54
Low Tide
/ height (m)
11:36AM
0.76
11:50PM
0.83
12:10PM
0.83
12:23AM
0.94
12:45PM
0.97
12:58AM
1.10
Friday
21
Saturday
22
Sunday
23
Monday
24
Sunrise7:43-------7:45-------7:46-------
Sunset--4:29-------4:28-------4:27-----
clear
clear
cloud
cloud
cloud
light rain
light rain
light rain
cloud
cloud
cloud
part cloud
light rain
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
rain showers
Rain (mm)
-----121----11---------1
Temp. °C7788889111110109910121010101010101099
Feels °C (?)444321037666575111000100
  • 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

Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Ben Mondy

Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.

Feel that? If you are in the northern hemisphere, you will have had that first bite of winter. The lick of a frost, the chill of a cold offshore breeze and the sound of winter swells pounding the shores. If you are near the mountains, your favourite jackets, gloves, and footwear might get dusted off and prepped for battle. And in that beautiful Venn diagram, you will find PrimaLoft. They have spent over 40 years developing innovative insulations that have powered your warmest winter gear. In t

Read more

Read more

Discover more articles and updates in the Greenroom.

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

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest