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Surf Forecasts:

Port Isaac surfForecast / Cornwall (North) / UK

information circle12 Day Weather and Surf, issued 11 pm Tuesday 13 Jan 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Port Isaac surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Port Isaac sea temperature is
9.5° C
 (Which is slightly cooler than normal)

Best Forecast Surf Conditions for Port Isaac this week:

The surf forecast for Port Isaac over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jan 14) at 6AM. The primary swell is predicted to be 1.1m and 11s period with a secondary swell of 0.7m and 15s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Port Isaac in the next 12 days are 3.0m 16s and forecast to arrive on Friday (Jan 16) at 9PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Wednesday (Jan 14) at 9PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Wed 14th Jan)3.5ft (1.1m) 11s
Best Surf 6PM (Thu 15th Jan)8ft (2.5m) 17s
Most Powerful 9PM (Fri 16th Jan)10ft (3.0m) 16s

Table - best surf conditions forecast for Port Isaac over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Moderate rain (total 11mm), heaviest on Thu morning. Mild temperatures (max 9°C on Wed night, min 4°C on Wed morning). Winds increasing (calm on Tue night, fresh winds from the SSW by Wed night).

Days 3-6 Weather Summary Light rain (total 8mm), mostly falling on Fri night. Mild temperatures (max 9°C on Sat morning, min 5°C on Sun night). Wind will be generally light.

Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tue
20
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
2
1
0
4
3
3
2
2
5
3
2
2
2
0
0
0
2
2
2
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.4
W
1
W
1.2
W
1.5
W
1.8
W
2.5
W
2.4
W
2.3
W
2.5
W
3
W
2.3
W
1.9
W
1.5
W
1.1
W
0.9
W
0.8
W
0.7
W
0.5
WNW
1.4
WNW
1.2
W
1.7
W
Period(s) (?)111113121118161616151413121111101018151414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4752244926617434203304625763498433720971228647295188130891748695611229
Wind
(km/h)
15
N
10
SSE
20
SSW
25
WSW
10
SSE
10
NNW
20
SW
30
SSW
30
SSW
20
SSE
25
SE
20
SE
15
E
15
E
10
ENE
15
NE
10
NE
5
NE
15
ESE
15
E
15
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		offcross-
off		crossoffoncross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		crosscrosscrossglasscross-
off		cross-
off		cross-
off
High Tide
/ height (m)
1:50AM
4.86
2:23PM
4.90
2:55AM
5.06
3:23PM
5.13
3:48AM
5.38
4:12PM
5.44
4:33AM
5.74
4:53PM
5.77
5:12AM
6.09
5:31PM
6.07
5:49AM
6.41
6:06PM
6.31
6:24AM
6.66
Low Tide
/ height (m)
8:13AM
2.29
8:44PM
2.19
9:17AM
2.07
9:41PM
1.93
10:09AM
1.75
10:28PM
1.60
10:52AM
1.41
11:08PM
1.27
11:31AM
1.10
11:44PM
0.98
12:07PM
0.83
12:19AM
0.75
12:41PM
0.64
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tue
20
Sunrise-8:15--8:14--8:12--8:12--8:11--8:11--8:10-
Sunset--4:40--4:42--4:44--4:45--4:46--4:49--4:50
clear
part cloud
light rain
rain showers
light rain
rain showers
rain showers
part cloud
light rain
mod rain
rain showers
clear
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
Rain (mm)
--11413-171----------
Temp. °C767987799899889788745
Feels °C (?)2112542223445564564-11
  • 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

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Quick surf report for Port Isaac:

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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 Port Isaac 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 Port Isaac at:
surf-forecast.com

Information about the Port Isaac Surf forecast

The above surf forecast table for Port Isaac provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Port Isaac can be found by selecting the local surf guide option on the grey menu. Our Port Isaac 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 (Port Isaac) 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 Port Isaac 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 Port Isaac, camping, hotels and holiday cottages in North Cornwall, consider staying in Padstow which is 8 km (5 miles) away. Other places in and around North Cornwall where you can find information about places to rent, and car hire include Bodmin which is 15 km (9 miles) away, Newquay, Par and Saint Austell.

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