Porthmeor surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 6 pm Wednesday 13 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Porthmeor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porthmeor sea temperature is
12.4° C
(Which is slightly warmer than usual)

How big are the waves at Porthmeor today?

The current surf forecast for Porthmeor at 10PM is: 2.5m 8s primary swell from a West-northwest direction and 0.3m 16s secondary swell from a Southwest direction, 0.1m 7s secondary swell from a Southwest direction (forecast issued at 06:00pm May 13). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (13 May)--
Afternoon (13 May)10ft (3.0m)8s
Evening (13 May)8ft (2.5m)8s

Table - waves today at Porthmeor. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Thu morning. Very mild (max 11°C on Wed afternoon, min 9°C on Wed night). Winds decreasing (strong winds from the NNW on Wed night, light winds from the W by Fri night).

Wed
13
Thursday
14
Friday
15
Sat
16
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
2.5
WNW
8
2.5
WNW
8
2.5
WNW
8
3
NW
8
3
NW
8
3
NW
8
2.5
NW
8
2.5
NW
7
2.5
NW
7
2.2
NW
7
1.9
NW
7
1.2
WNW
8
1.9
N
7
1.7
N
7
1.8
NNW
7
1.6
NNW
7
1.5
NNW
6
1.3
NNW
6
0.8
N
6
0.7
WNW
8
0.7
WNW
7
0.9
W
8
1
W
5
0.8
W
5
Wave Graph
Metric surfscale
Energy kJ
949
837
791
951
908
839
799
748
635
437
305
207
318
263
306
209
164
123
47
58
57
90
52
34
Wind (km/h)
40
WNW
40
NW
40
NW
45
NNW
45
NNW
45
NNW
40
NNW
40
NNW
40
NNW
35
NNW
30
NNW
35
N
30
N
30
N
25
NNW
25
NNW
25
NNW
25
NNW
20
NW
20
WNW
15
W
20
W
20
W
20
WSW
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross
cross
cross
cross-off
High Tide
3:11PM4.98m
3:31AM5.34m
3:59PM5.42m
4:18AM5.72m
4:43PM5.82m
5:04AM6.03m
Low Tide
9:28PM1.09m
9:56AM0.73m
10:18PM0.70m
10:43AM0.40m
11:05PM0.36m
11:29AM0.17m
clear
cloud
part cloud
clear
cloud
cloud
light rain
light rain
rain showers
rain showers
clear
clear
clear
cloud
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:37
5:35
5:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:58
9:00
9:00
9:01
1
1
1
1
Temp °C
11
11
10
10
9
9
10
9
10
10
10
10
10
10
10
10
10
10
9
9
10
10
11
11
2
2
1
0
-1
-1
1
0
1
2
3
2
3
3
4
4
3
4
4
4
6
5
6
6
Swell 1
Height (m)
Direction
Period (s)
0.3
SW
16
0.3
SW
16
0.3
SW
16
0.3
SW
16
0.3
SW
16
0.3
SW
15
0.3
SW
15
0.3
SW
15
0.2
SSW
15
0.2
SSW
15
0.2
SSW
14
1.2
WNW
8
1
WNW
8
1
WNW
8
0.2
SSW
14
0.2
SSW
14
0.1
SW
14
0.4
WNW
8
0.8
N
6
0.7
N
6
0.6
N
6
0.4
N
6
0.4
WNW
8
0.4
WNW
7
Energy kJ
40
40
40
40
38
34
33
33
21
21
21
207
140
140
20
19
7
20
47
35
25
10
19
18
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
7
0.1
SW
7
0.1
SW
7
0.1
SW
7
0.1
S
7
0.1
S
7
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
0.1
SW
13
0.4
WNW
8
0.1
SW
13
0.2
W
9
0.2
W
9
0.3
N
5
0.3
N
5
Energy kJ
2
2
2
2
1
1
21
20
20
19
7
20
7
6
6
5
5
Swell 3
Height (m)
Direction
Period (s)
0.1
W
9
0.1
SW
13
0.1
W
9
0.1
SW
13
0.1
SW
13
0.2
W
9
0.2
W
9
Energy kJ
2
7
2
7
7
6
6
Wind waves
Height (m)
Direction
Period (s)
2.5
WNW
8
2.5
WNW
8
2.5
WNW
8
3
NW
8
3
NW
8
3
NW
8
2.5
NW
8
2.5
NW
7
2.5
NW
7
2.2
NW
7
1.9
NW
7
1.5
N
6
1.9
N
7
1.7
N
7
1.8
NNW
7
1.6
NNW
7
1.5
NNW
6
1.3
NNW
6
0.8
WNW
6
0.7
WNW
8
0.7
WNW
7
0.9
W
8
1
W
5
0.8
W
5
Energy kJ
949
837
791
951
908
839
799
748
635
437
305
170
318
263
306
209
164
123
38
58
57
90
52
34
Nearest Offshore or Glassy
Rating
(10 max)
2
1
2
2
1
1
1
1
1
2
1
1
1
1
1
1
2
1
1
1
1
1
1
1
Distance (km)
1349
735
318
318
731
286
307
288
1146
281
182
191
270
270
270
223
319
319
14
240
2
100
248
278
Best forecast wave conditions in North Cornwall
Rating
(10 max)
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
4
4
1
1
1
1
1
1
1
2
1
1
4
4
4
4
3
3
3
2
Header Global
Rating
(10 max)
7
9
9
9
9
9
4
5
5
4
5
4
5
5
5
5
5
5
5
5
5
5
5
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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