Porthmeor surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 6 am 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 3PM is: 3.0m 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 06:00am May 13). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (13 May)10ft (3.0m)8s
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 8mm), mostly falling on Wed night. Very mild (max 11°C on Wed morning, min 9°C on Wed night). Winds decreasing (strong winds from the NW on Wed morning, light winds from the WNW by Fri night).

Wednesday
13
Thursday
14
Friday
15
Sat
16
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
4 PM
7 PM
10 PM
1 AM
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)
2.3
WNW
7
3
WNW
8
3
WNW
8
3
WNW
8
2.5
WNW
8
2.5
WNW
8
2.5
WNW
8
3
NW
8
3
NW
8
2.5
NW
7
2.5
NW
7
2.4
NW
7
2.3
NW
7
2.1
NW
7
1.5
N
6
1.2
WNW
8
1.5
N
6
1.6
N
6
1.4
N
6
1.3
N
6
1.5
NNW
6
1.5
NNW
6
0.9
WNW
8
0.9
WNW
8
Wave Graph
Metric surfscale
Energy kJ
469
951
1150
1082
1006
881
791
926
839
775
740
612
494
382
176
192
170
194
153
132
187
170
85
99
Wind (km/h)
45
WNW
45
WNW
45
NW
45
NW
40
NW
40
NW
40
NW
45
NNW
45
NNW
40
NNW
40
NNW
40
NNW
35
NNW
30
NNW
30
N
35
N
30
N
30
N
30
N
25
NNW
25
NNW
20
NNW
20
NW
15
WNW
cross
cross-on
cross-on
cross-on
cross-on
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
cross-on
cross-on
cross
High Tide
2:40AM4.93m
3:11PM4.98m
3:31AM5.34m
3:59PM5.42m
4:18AM5.72m
4:43PM5.82m
Low Tide
9:07AM1.10m
9:28PM1.09m
9:56AM0.73m
10:18PM0.70m
10:43AM0.40m
11:05PM0.36m
cloud
clear
part cloud
clear
clear
cloud
rain showers
part cloud
cloud
part cloud
light rain
light rain
light rain
light rain
rain showers
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:39
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
1
1
Temp °C
10
10
10
11
11
11
10
10
9
10
10
10
9
9
9
10
10
10
10
10
10
10
9
10
1
0
0
1
2
3
1
0
-1
1
1
2
1
2
2
2
3
3
3
4
3
4
4
6
Swell 1
Height (m)
Direction
Period (s)
0.2
SSW
8
0.3
SW
16
0.3
SW
16
0.3
SW
16
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
0.2
SSW
15
0.2
SSW
15
0.2
SSW
15
1.2
WNW
7
1.2
WNW
8
1.1
WNW
8
1
WNW
7
1
WNW
7
0.9
WNW
8
0.1
SW
14
0.1
SW
13
0.9
WNW
8
0.8
N
6
Energy kJ
6
42
41
40
40
40
40
40
38
34
33
21
21
21
135
192
143
114
105
113
7
7
85
47
Swell 2
Height (m)
Direction
Period (s)
0.2
SSW
17
0.2
SSW
8
0.2
SSW
8
0.1
SW
8
0.1
SW
7
0.1
SW
7
0.1
SW
7
0.1
S
7
0.1
S
7
0.1
S
7
0.1
S
7
0.5
WNW
9
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
0.1
SW
13
0.1
SW
13
Energy kJ
29
6
6
2
2
2
2
1
1
1
1
47
21
20
20
20
19
7
7
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
14
Energy kJ
21
Wind waves
Height (m)
Direction
Period (s)
2.3
WNW
7
3
WNW
8
3
WNW
8
3
WNW
8
2.5
WNW
8
2.5
WNW
8
2.5
WNW
8
3
NW
8
3
NW
8
2.5
NW
7
2.5
NW
7
2.4
NW
7
2.3
NW
7
2.1
NW
7
1.5
N
6
1.5
N
6
1.5
N
6
1.6
N
6
1.4
N
6
1.3
N
6
1.5
NNW
6
1.5
NNW
6
1
N
6
0.9
WNW
8
Energy kJ
469
951
1150
1082
1006
881
791
926
839
775
740
612
494
382
176
170
170
194
153
132
187
170
78
99
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
2
1
1
2
1
1
2
1
1
1
1
1
1
1
1
2
1
1
1
1
Distance (km)
544
527
735
945
1178
735
318
318
121
121
731
1083
307
288
100
188
270
270
270
14
270
14
14
236
Best forecast wave conditions in North Cornwall
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
1
2
2
4
1
2
1
1
1
1
1
1
2
4
4
4
4
Header Global
Rating
(10 max)
9
9
8
8
7
8
9
9
9
9
5
5
5
5
5
5
5
5
5
5
6
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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