Surf Break

Lat Long: 50.59° N 4.84° W

Port Isaac Surf Forecast and Surf Report

Issued: 6 pm 21 Oct 2026 (local time)

Forecast update in  hr  min

Today's Port Isaac sea temperature is
16.8°C
2.9° 

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 21 Oct 2026:

  • Best quality surf: Tuesday 27 Oct, 6AM (local time) - 11ft (3.5m), 12s period, W swell with cross-offshore winds.
  • Most powerful swell: Friday 23 Oct, 10AM (local time) - 20ft (6.0m), 12s period, WNW swell with 10,714 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 27 Oct, 6AM (local time) - 11ft (3.5m), 12s 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 Tuesday (Oct 27) at 6AM. 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 6.0m 12s and forecast to arrive on Friday (Oct 23) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Friday (Oct 23) at 1AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Tue 27th Oct)11ft (3.5m) 12s
Best Surf 6AM (Tue 27th Oct)11ft (3.5m) 12s
Most Powerful10AM (Fri 23rd Oct)20ft (6.0m) 12s

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


Short Range Forecast

Heavy rain (total 39mm), heaviest during Sat morning. Very mild (max 14°C on Thu morning, min 10°C on Thu night). Winds increasing (light winds from the SSW on Thu morning, gales from the NW by Thu night).

Days 5-7 Weather Summary

Heavy rain (total 27mm), heaviest during Sat afternoon. Very mild (max 17°C on Mon afternoon, min 11°C on Sun night). Winds decreasing (near gales from the SW on Sat afternoon, light winds from the WSW by Sun night).

Wed
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
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
0
2
0
0
0
0
1
0
0
0
0
3
0
1
1
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)
3.5
WNW
12
3.5
W
10
2.5
W
10
1.9
W
11
1.3
WSW
10
6
WNW
12
4.5
WNW
11
3
WNW
11
2.2
W
10
4
W
10
4.5
W
12
4.5
WNW
12
3.5
WNW
12
2.3
W
12
2
WSW
12
3
WSW
10
3
W
11
3.5
W
13
4
W
13
4
W
14
Wave Graph
Metric surfscale
Energy kJ
3460
2344
1412
850
312
10714
5242
2427
989
2670
5819
5321
3560
1544
1082
1654
1954
4637
5497
6551
Wind (km/h)
45
W
45
W
20
W
30
SSE
45
SE
70
NW
60
WNW
35
WNW
30
SSW
55
SW
50
WNW
45
WNW
30
WNW
20
SSW
45
SSW
35
SW
45
SSW
40
WSW
40
W
35
W
Wind State
cross-on
cross
cross-on
off
off
cross-on
cross-on
cross-on
cross-off
cross-off
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross
High Tide
3:21AM5.12m
3:41PM5.54m
4:06AM5.64m
4:23PM6.06m
4:45AM6.17m
5:01PM6.54m
5:22AM6.64m
5:39PM6.94m
6:00AM7.01m
6:18PM7.20m
6:38AM7.23m
6:57PM7.28m
Low Tide
9:16PM1.98m
9:35AM1.88m
10:02PM1.49m
10:18AM1.39m
10:41PM0.99m
10:57AM0.90m
11:18PM0.55m
11:34AM0.48m
11:54PM0.22m
12:11PM0.17m
00:31AM0.03m
12:50PM0.01m
1:09AM0.03m
rain showers
rain showers
part cloud
light rain
rain showers
rain showers
rain showers
rain showers
heavy rain
heavy rain
rain showers
clear
clear
light rain
cloud
cloud
light rain
rain showers
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
7:52
—
—
7:54
—
—
7:54
—
—
6:56
—
—
7:58
—
—
8:00
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
—
—
6:14
—
—
6:12
—
—
6:09
—
—
5:07
—
—
6:06
—
—
6:04
—
 mm
2
9
—
3
9
1
2
1
12
11
3
—
—
4
—
—
3
6
—
—
Temp °C
13
13
14
13
14
11
12
12
13
16
16
13
13
12
16
17
17
13
13
13
Feels °C
5
3
10
6
6
-3
1
2
5
7
7
4
6
7
9
11
9
6
4
5
  • 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
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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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