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Surf Forecasts:

Port Isaac surfForecast / Cornwall (North) / UK

information circle12 Day Weather and Surf, issued 5 am Wednesday 21 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 21) at 3PM. The primary swell is predicted to be 1.5m and 13s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Port Isaac in the next 12 days are 6.0m 19s and forecast to arrive on Tuesday (Jan 27) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Saturday (Jan 24) at 12AM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Wed 21st Jan)5ft (1.5m) 13s
Best Surf 9AM (Thu 22nd Jan)11ft (3.5m) 16s
Most Powerful 3AM (Tue 27th Jan)20ft (6.0m) 19s

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 Heavy rain (total 25mm), heaviest during Fri night. Very mild (max 12°C on Wed morning, min 6°C on Thu night). Winds increasing (light winds from the WSW on Thu morning, near gales from the SE by Fri night).

Days 3-6 Weather Summary Heavy rain (total 39mm), heaviest during Mon night. Very mild (max 10°C on Mon morning, min 6°C on Mon night). Winds decreasing (near gales from the SE on Sat morning, calm by Mon afternoon).

Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
3
2
!
!
1
2
!
0
!
!
!
2
1
4
2
2
!
!
!
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.8
W
1.5
W
1.4
W
3.5
W
3.5
W
2.4
W
1.7
W
4.5
W
3.5
W
3.5
W
3.5
W
4.5
W
3
W
2.5
W
3
W
2.5
W
2.4
W
3.5
W
5
W
5
W
5
W
Period(s) (?)131312161514181716161715141313151520181818
Wave
Graph
(?)Metric surfscale
Energy kJ (?)10947465475748560522291800113335969585067119058359424563247321624418066157031490314413
Wind
(km/h)
30
S
25
SSE
25
SSE
5
WSW
25
W
45
SE
35
S
40
SSE
55
ESE
55
SE
45
SSE
45
SW
20
WSW
20
WNW
10
SSW
45
SSE
30
SW
25
WSW
10
E
20
WNW
25
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offoffcrosscrossoffcross-
off		offcross-
off		offoffcross-
off		crosscross-
on		cross-
off		offcross-
off		crosscross-
off		cross-
on		cross-
on
High Tide
/ height (m)
7:16PM
6.56
7:33AM
6.87
7:51PM
6.55
8:09AM
6.81
8:29PM
6.44
8:48AM
6.63
9:11PM
6.24
9:32AM
6.33
9:58PM
5.95
10:23AM
5.96
10:55PM
5.63
11:27AM
5.59
12:06AM
5.38
Low Tide
/ height (m)
1:15PM
0.54
1:25AM
0.55
1:49PM
0.52
2:00AM
0.60
2:24PM
0.61
2:37AM
0.75
3:03PM
0.80
3:18AM
0.99
3:47PM
1.09
4:07AM
1.30
4:40PM
1.43
5:08AM
1.63
5:48PM
1.74
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Sunrise8:08--8:07--8:07--8:04--8:03--8:03--8:02--
Sunset-4:52--4:52--4:54--4:57--4:58--5:00--5:01-
rain showers
light rain
part cloud
rain showers
rain showers
light rain
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
light rain
rain showers
part cloud
light rain
mod rain
rain showers
cloud
cloud
rain showers
Rain (mm)
44-21512652321-4814--1
Temp. °C1211989777899878810107777
Feels °C (?)46363-3-3-3-4-20-223523022-1
  • 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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