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Surf Forecasts:

Mounts Bay (Penzance) surf break

Mounts Bay (Penzance) surfForecast / Cornwall (South) / UK

information circle48hr Weather and Surf, issued 11 am Saturday 20 Dec 2025 GMT
Forecast update in hr  min  s Forecast update imminent
Mounts Bay (Penzance) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mounts Bay (Penzance) sea temperature is
12.0° C
 (Which is slightly warmer than usual)

How big are the waves at Mounts Bay (Penzance) today?

The current surf forecast for Mounts Bay (Penzance) at 7PM is: 3.0m 10s primary swell from a South-southwest direction and 2.4m 12s secondary swell from a West direction (forecast issued at 11:00am December 20). The wind direction is predicted to be onshore.

Time (GMT) & DateWave HeightWave Period
Morning (20 Dec)7ft (2.2m)13s
Afternoon (20 Dec)11ft (3.5m)12s
Evening (20 Dec)8ft (2.5m)12s

Table - waves today at Mounts Bay (Penzance). (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
20
Sunday
21
Monday
22
Tuesday
23
9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM
Rating
(10 max)
0
0
0
0
0
0
0
!
!
!
!
!
!
2
3
3
0
2
1
1
1
1
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.2
W
2.2
W
3.5
WSW
3.5
SSW
2.5
W
3.5
WSW
4.5
WSW
4.5
WSW
4.5
WSW
4.5
WSW
4
W
3.5
W
3.5
W
3
W
2.5
W
2.5
W
2.3
W
2.1
W
1.9
W
1.8
W
1.7
W
1.6
W
1.5
W
1.4
W
Period(s) (?)131312111212161616161515151514141313131212121211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)168216323471266221043832108001031299259591793364084887381829642436186614871163948819714596476
Wind
(km/h)
50
SSE
50
SSE
45
S
30
SSW
35
SSW
35
S
30
S
15
SSE
20
ESE
30
E
30
E
30
ESE
25
ENE
25
NE
20
ENE
20
ENE
25
ESE
20
ESE
20
ESE
20
ESE
20
E
20
E
20
ENE
20
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on		oncross-
on		ononononcross-
on		crosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
on		crosscrosscrosscrosscrosscross-
off		cross-
off
High Tide
/ height (m)
4:56PM
5.05
5:14AM
5.28
5:31PM
5.06
5:49AM
5.30
6:06PM
5.03
Low Tide
/ height (m)
11:16AM
1.46
11:30PM
1.44
11:52AM
1.40
12:06AM
1.41
12:29PM
1.37
12:43AM
1.43
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Sunrise8:17-------8:18-------8:18-------
Sunset--4:21-------4:21-------4:22-----
part cloud
cloud
light rain
light rain
cloud
clear
part cloud
light rain
rain showers
light rain
light rain
light rain
rain showers
light rain
rain showers
clear
clear
cloud
cloud
cloud
cloud
part cloud
clear
cloud
Rain (mm)
--44---11121312---------
Temp. °C111110101010101010111011111011111111111010999
Feels °C (?)111322365545657766655454
  • 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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View detailed surf forecast for Mounts Bay (Penzance) at:
surf-forecast.com

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