Port Isaac Surf Break

Lat Long: 50.59° N 4.84° W

Port Isaac Surf Forecast and Surf Report

Issued: 12 am 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Port Isaac sea temperature is
18.0°C
2.0° 

Port Isaac surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Port Isaac surf forecast from 13 Sep 2026:

  • Best quality surf: Sunday 13 Sep, 10PM (local time) - 3.5ft (1.1m), 10s period, W swell with cross-offshore winds.
  • Most powerful swell: Sunday 20 Sep, 7AM (local time) - 5ft (1.5m), 14s period, W swell with 868 kJ wave energy.
  • Next surfable swell (1★+): Sunday 13 Sep, 10PM (local time) - 3.5ft (1.1m), 10s period with W swell.

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 Sunday (Sep 13) at 10PM. The primary swell is predicted to be 1.1m and 10s 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 1.5m 14s and forecast to arrive on Sunday (Sep 20) at 7AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Sun 13th Sep)3.5ft (1.1m) 10s
Best Surf10PM (Sun 13th Sep)3.5ft (1.1m) 10s
Most Powerful 7AM (Sun 20th Sep)5ft (1.5m) 14s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Sat night. Warm (max 21°C on Mon afternoon, min 16°C on Tue morning). Mainly fresh winds.

Days 4-6 Weather Summary

Light rain (total 3mm), mostly falling on Wed night. Very mild (max 16°C on Tue night, min 14°C on Tue night). Mainly fresh winds.

Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
W
10
1.3
W
10
1.1
W
10
1
W
9
1
W
9
0.8
WSW
6
1.5
W
8
1.7
WNW
7
1.8
WNW
8
1.6
W
10
1.4
W
10
1.2
W
10
1.4
W
6
1.6
WNW
7
1.6
W
9
1.2
WNW
7
1.2
W
9
1.8
W
7
2
W
8
1.7
W
8
1.6
W
11
Wave Graph
Metric surfscale
Energy kJ
377
325
223
160
154
53
253
310
414
490
416
296
156
284
402
143
210
329
566
412
617
Wind (km/h)
20
WSW
20
WSW
15
SW
15
WSW
20
WSW
20
SSW
30
WNW
30
WNW
30
NW
30
NW
25
WNW
20
W
30
NW
30
WNW
25
WNW
20
W
30
SW
40
SW
25
WNW
35
W
25
WNW
Wind State
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
on
on
cross-on
cross
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-on
cross-on
cross-on
High Tide
7:28AM7.14m
7:45PM7.26m
8:02AM7.00m
8:19PM6.96m
8:36AM6.71m
8:53PM6.53m
9:09AM6.30m
9:28PM6.02m
9:44AM5.81m
10:05PM5.47m
10:25AM5.30m
10:51PM4.94m
11:19AM4.82m
11:59PM4.51m
Low Tide
1:40PM0.07m
1:59AM0.15m
2:13PM0.27m
2:30AM0.46m
2:45PM0.61m
3:01AM0.87m
3:18PM1.04m
3:33AM1.35m
3:53PM1.54m
4:10AM1.86m
4:36PM2.05m
4:58AM2.34m
5:40PM2.50m
cloud
cloud
rain showers
part cloud
clear
rain showers
clear
clear
part cloud
part cloud
part cloud
light rain
rain showers
part cloud
clear
part cloud
part cloud
light rain
rain showers
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:52
6:52
6:54
6:56
6:58
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:38
7:36
7:34
7:31
7:30
7:27
7:24
 mm
2
1
2
1
5
3
Temp °C
18
18
18
19
21
18
16
16
16
15
15
16
16
15
15
16
16
18
16
16
15
Feels °C
17
17
18
18
19
17
11
10
12
10
10
12
11
9
10
11
10
12
10
9
9
  • 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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