Perranuthnoe surfForecast / Cornwall (South) / UK

information circle16 Day Weather and Surf, issued 6 pm Saturday 16 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Perranuthnoe surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Perranuthnoe sea temperature is
12.3° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Perranuthnoe this week:

The surf forecast for Perranuthnoe over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (May 22) at 7PM. The primary swell is predicted to be 1.7m and 11s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Perranuthnoe in the next 16 days are 3.5m 14s and forecast to arrive on Wednesday (May 20) at 7AM. Winds are predicted to be 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 (May 22) at 1AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Fri 22nd May)5.5ft (1.7m) 11s
Best Surf 7PM (Fri 22nd May)5.5ft (1.7m) 11s
Most Powerful 7AM (Wed 20th May)11ft (3.5m) 14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 15mm), heaviest on Mon afternoon. Very mild (max 13°C on Mon night, min 10°C on Sat night). Mainly strong winds.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 17°C on Thu afternoon, min 13°C on Tue night). Winds decreasing (fresh winds from the SW on Tue afternoon, light winds from the SSW by Fri morning).

Sat
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
0
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
2
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
W
7
1.8
WNW
7
1.5
W
14
2.3
W
13
2.3
W
12
2.3
W
12
1.8
W
11
1.9
SSW
6
2.5
WSW
8
2.5
WSW
8
3
WSW
9
3.5
W
14
3
WSW
13
2.5
WSW
12
1.8
WSW
11
1.6
WSW
11
1.4
WSW
11
1.6
WSW
10
1.7
WSW
10
1.6
WSW
11
1.6
WSW
10
Wave Graph
Metric surfscale
Energy kJ
152
285
831
1751
1565
1398
750
297
709
909
1651
4140
3397
1669
836
622
452
510
619
551
482
Wind (km/h)
25
W
30
WNW
20
WNW
25
W
35
W
25
SW
30
SSW
35
SW
35
WSW
35
SW
30
SW
30
SW
25
SW
20
SSW
20
SSW
15
SSE
25
SE
15
S
5
S
10
NW
10
NNW
cross-on
cross
cross-on
cross-on
cross-on
on
cross-on
on
on
on
on
on
on
on
cross-on
cross-on
cross-off
cross-on
cross-on
cross
cross-off
High Tide
5:05PM5.48m
5:28AM5.54m
5:51PM5.59m
6:15AM5.54m
6:38PM5.60m
7:04AM5.43m
7:26PM5.51m
7:54AM5.23m
8:18PM5.33m
8:48AM4.98m
9:13PM5.11m
9:47AM4.71m
10:14PM4.88m
10:53AM4.50m
Low Tide
11:53PM0.77m
12:15PM0.73m
00:42AM0.69m
1:02PM0.75m
1:30AM0.72m
1:50PM0.86m
2:20AM0.84m
2:38PM1.06m
3:11AM1.04m
3:30PM1.30m
4:07AM1.28m
4:26PM1.55m
5:10AM1.49m
rain showers
cloud
cloud
light rain
light rain
light rain
light rain
rain showers
part cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:33
5:31
5:30
5:28
5:28
5:26
5:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:01
9:02
9:05
9:06
9:07
9:08
9:09
9:10
1
2
1
2
3
6
Temp °C
11
11
11
11
11
11
11
13
13
14
14
14
14
15
16
17
17
15
16
15
16
6
5
6
5
3
6
5
7
6
8
8
10
10
13
14
15
13
14
16
16
15
Swell 1
Height (m)
Direction
Period (s)
0.2
W
15
0.6
W
13
1.5
W
14
2.3
W
13
0.1
S
12
2.3
W
12
1.8
W
11
1
WNW
10
0.2
W
15
0.2
W
14
1
WSW
16
3.5
W
14
3
WSW
13
2.5
WSW
12
1.8
WSW
11
1.6
WSW
11
1.4
WSW
11
1.6
WSW
10
1.7
WSW
10
1.6
WSW
11
1.6
WSW
10
Energy kJ
17
126
831
1751
3
1398
750
218
17
16
547
4140
3397
1669
836
622
452
510
619
551
482
Swell 2
Height (m)
Direction
Period (s)
0.2
N
5
0.1
W
16
0.1
S
12
0.1
S
12
0.1
S
14
0.1
S
20
0.1
S
19
0.1
S
18
0.1
SE
5
0.1
SW
17
0.1
SW
16
0.1
SW
15
0.2
SSW
15
0.2
SSW
15
0.8
SSE
5
0.5
S
6
0.4
ESE
4
0.3
ESE
5
Energy kJ
2
5
3
3
4
7
7
6
1
11
10
9
21
21
26
15
6
4
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
13
0.1
SW
13
0.9
W
11
0.1
W
16
0.1
S
13
0.1
SW
18
0.2
SSW
14
0.5
S
6
0.2
S
5
0.2
SSW
14
Energy kJ
7
6
196
5
3
12
19
15
2
19
Wind waves
Height (m)
Direction
Period (s)
1.2
W
7
1.8
WNW
7
1.5
WNW
8
2.3
W
12
0.7
S
4
1.9
SSW
6
2.5
WSW
8
2.5
WSW
8
3
WSW
9
1.1
S
7
0.9
SE
4
0.4
ESE
4
Energy kJ
152
285
259
1565
18
297
709
909
1651
117
28
6
Nearest Offshore or Glassy
Rating
(10 max)
1
3
1
4
3
2
2
1
1
4
4
4
4
3
2
2
2
2
2
2
3
Distance (km)
204
204
533
237
204
43
57
403
530
237
204
204
181
9
9
9
20
9
9
3
0
Best forecast wave conditions in South Cornwall
Rating
(10 max)
1
1
2
3
Best forecast wave conditions in United Kingdom
Rating
(10 max)
3
3
3
4
4
3
2
2
2
2
1
4
4
3
2
2
2
3
2
3
Header Global
Rating
(10 max)
4
4
6
7
4
5
4
5
4
4
4
9
7
4
8
5
4
5
4
4
4
  • 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 Perranuthnoe Surf forecast

The above surf forecast table for Perranuthnoe provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Perranuthnoe can be found by selecting the local surf guide option on the grey menu. Our Perranuthnoe 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 (Perranuthnoe) 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 Perranuthnoe 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 South Cornwall? If you are looking for accommodation near Perranuthnoe, camping, hotels and holiday cottages in South Cornwall, consider staying in Penzance which is 7 km (4 miles) away. Other places in and around South Cornwall where you can find information about places to rent, and car hire include Camborne which is 15 km (9 miles) away, Penryn, The Lizard and Falmouth.

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