Port Isaac surfForecast / Cornwall (North) / UK

information circle16 Day Weather and Surf, issued 12 pm Monday 30 Mar 2026 BST
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
10.4° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Port Isaac this week:

The surf forecast for Port Isaac over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Apr 04) at 7PM. The primary swell is predicted to be 3.5m and 12s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Port Isaac in the next 16 days are 3.0m 14s and forecast to arrive on Monday (Apr 06) at 7PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Monday (Apr 06) at 4PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Sat 4th Apr)11ft (3.5m) 12s
Best Surf 7PM (Sat 4th Apr)11ft (3.5m) 12s
Most Powerful 7PM (Mon 6th Apr)10ft (3.0m) 14s

Table - best surf conditions forecast for Port Isaac over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 13°C on Tue morning, min 8°C on Tue night). Winds decreasing (fresh winds from the NW on Mon morning, light winds from the WNW by Tue morning).

Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Sat night. Very mild (max 13°C on Sat morning, min 7°C on Thu morning). Winds increasing (light winds from the WNW on Thu morning, strong winds from the SSW by Sat morning).

Monday
30
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
1
2
0
0
0
0
0
0
1
1
0
1
0
1
0
1
1
3
1
Swell
Height Map
Wave Height (m) & direction (?)
2.3
WNW
1.9
W
1.6
W
1.4
W
1.2
W
1
W
1
W
1
W
1.3
W
1.4
WNW
1.3
W
1.2
W
1.8
WSW
2.4
W
2.3
WSW
3
W
3.5
W
2.5
W
3
W
2.5
W
1.6
W
Period(s) (?)1616141313121212121110107911111212111110
Wave
Graph
(?)Metric surfscale
Energy kJ (?)267517881077683498294284279456469367277317958127419443366170619261386524
Wind
(km/h)
30
NW
30
NW
15
WNW
10
WNW
20
NW
20
W
15
NW
15
W
20
W
10
NW
15
W
20
SW
30
SW
35
SW
35
SSW
45
SSW
50
SSW
30
WSW
20
WNW
15
WSW
25
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crossoncrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
on
crossoff
High Tide
/ height (m)
5:00PM
6.03
5:18AM
6.47
5:40PM
6.43
5:56AM
6.79
6:15PM
6.72
6:30AM
6.97
6:48PM
6.88
7:03AM
7.01
7:20PM
6.91
7:35AM
6.90
7:51PM
6.79
8:07AM
6.67
8:21PM
6.56
Low Tide
/ height (m)
11:01AM
1.03
11:17PM
0.99
11:41AM
0.66
11:55PM
0.64
12:16PM
0.40
12:29AM
0.41
12:47PM
0.28
1:00AM
0.31
1:17PM
0.29
1:30AM
0.34
1:46PM
0.43
2:00AM
0.49
2:14PM
0.67
2:30AM
0.76
Monday
30
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Sunrise7:01--6:58--6:56--6:54--6:52--6:50--6:48--
Sunset-7:46--7:49--7:50--7:52--7:53--7:54--7:57-
clear
part cloud
part cloud
cloud
clear
part cloud
part cloud
cloud
part cloud
part cloud
clear
cloud
cloud
light rain
part cloud
part cloud
light rain
light rain
clear
part cloud
cloud
Rain (mm)
-------------1--12---
Temp. °C991113139111111891011111113139999
Feels °C (?)3281195777555554442340
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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 16 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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