Porth Beach surfForecast / Cornwall (North) / UK

information circle12 Day Weather and Surf, issued 11 pm Saturday 20 Dec 2025 GMT
Forecast update in hr  min  s Forecast update imminent
Porth Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Beach sea temperature is
11.8° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Porth Beach this week:

The surf forecast for Porth Beach over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Dec 21) at 6AM. The primary swell is predicted to be 3.5m and 16s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Porth Beach in the next 12 days are 3.5m 16s and forecast to arrive on Sunday (Dec 21) at 6AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 6s period and expected on Thursday (Dec 25) at 3AM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Sun 21st Dec)11ft (3.5m) 16s
Best Surf 6AM (Sun 21st Dec)11ft (3.5m) 16s
Most Powerful 6AM (Sun 21st Dec)11ft (3.5m) 16s

Table - best surf conditions forecast for Porth Beach over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 7mm), mostly falling on Sat night. Very mild (max 11°C on Sun night, min 9°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Mild temperatures (max 8°C on Tue night, min 1°C on Wed night). Mainly fresh winds.

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Sat
27
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
4
!
3
1
2
2
2
1
0
1
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.5
W
3.5
W
3
W
2.2
W
1.7
W
1.4
W
1.2
W
1.1
W
0.9
W
1.2
WNW
1.1
WNW
1
WNW
0.8
WNW
0.6
W
0.6
W
0.7
WNW
0.8
WNW
0.8
W
0.7
W
0.9
WNW
0.9
WNW
Period(s) (?)121515141312121111131313131212121212111212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)19545664431020321001603396289188515418372212103106147179180123236228
Wind
(km/h)
15
SSW
20
E
25
ENE
25
NE
15
E
15
SE
10
E
15
NNE
25
NNE
25
NE
30
ENE
30
ENE
25
E
20
ENE
30
NE
30
NE
25
ENE
25
NE
30
NE
35
NE
35
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
crosscross-
off
offcross-
off
crosscross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross-
off
crosscrosscrosscross-
off
High Tide
/ height (m)
5:45AM
5.98
6:03PM
5.81
6:21AM
6.04
6:39PM
5.81
6:57AM
6.04
7:16PM
5.76
7:34AM
5.99
7:54PM
5.66
8:14AM
5.90
8:36PM
5.54
8:57AM
5.77
9:23PM
5.40
9:46AM
5.61
Low Tide
/ height (m)
11:43PM
0.98
12:05PM
0.92
12:18AM
0.93
12:42PM
0.91
12:54AM
0.94
1:19PM
0.95
1:30AM
1.00
1:57PM
1.02
2:08AM
1.10
2:37PM
1.12
2:49AM
1.24
3:21PM
1.24
3:37AM
1.39
4:13PM
1.36
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Sat
27
Sunrise-8:17--8:18--8:18--8:18--8:18--8:18--8:19-
Sunset--4:17--4:17--4:19--4:19--4:20--4:21--4:21
rain showers
part cloud
cloud
light rain
part cloud
cloud
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
3--4-----------------
Temp. °C10101011111110109865324324445
Feels °C (?)5448889742-1-3-4-5-5-6-5-3-3-5-4
  • 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

submit an eyeball surf report

Quick surf report for Porth Beach:

join our community of surf reporters

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 Porth Beach 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.


false

Information about the Porth Beach Surf forecast

The above surf forecast table for Porth Beach provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Porth Beach can be found by selecting the local surf guide option on the grey menu. Our Porth Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Porth Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Porth Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in North Cornwall? If you are looking for accommodation near Porth Beach, camping, hotels and holiday cottages in North Cornwall, consider staying in Newquay which is 3 km (2 miles) away. Other places in and around North Cornwall where you can find information about places to rent, and car hire include Padstow which is 16 km (10 miles) away, Truro, Saint Austell and Bodmin.

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest