Mounts Bay (Penzance) surf break

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

information circle48hr Weather and Surf, issued 6 am Friday 20 Jun 2025 BST
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
15.4° 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 9AM is: 0.5m 10s primary swell from a West direction and 0.5m 9s secondary swell from a West direction, 0.9m 5s secondary swell from a East-southeast direction (forecast issued at 06:00am June 20). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (20 Jun)1.5ft (0.5m)10s
Afternoon (20 Jun)2.5ft (0.7m)10s
Evening (20 Jun)2.5ft (0.7m)10s

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

Updates in  hr  min  s Forecast update imminent
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM
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
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
Wave Height (m) & direction (?)
0.7
W
0.5
W
0.5
W
0.7
W
0.7
W
0.7
W
0.7
W
0.7
W
0.7
W
0.7
W
0.6
W
0.6
W
0.6
W
0.6
W
0.5
W
0.5
W
0.3
WNW
1
WSW
1.1
WSW
1.2
WSW
1.3
WSW
1.3
W
1.4
W
1.5
W
1.6
W
1.5
W
1.3
WNW
1
W
1.6
W
1.5
W
1.5
W
1.5
W
1
W
0.9
W
1.5
W
1.7
W
1.8
W
1.8
W
1.6
W
1.6
W
1.5
W
1.4
WNW
1.3
WNW
1.3
W
1.2
W
1.2
W
1.2
W
1.1
W
1.3
W
1
W
1.4
W
1.9
W
1.8
W
1.7
W
1.6
W
1.4
W
1.3
W
1.3
W
1.2
W
1.2
W
Period(s) (?)91010109101010109999888114566677777101010101010107899999999999999678899991010
Wave
Graph
(?)Metric surfscale
Energy (?)14715614817316113510910910798767472685469737197139181236281321382357365405525474479457301275350405500503417414365328285277237233233197275217265344400408404318281300273268
Wind
(km/h)
25
ESE
25
ESE
20
ESE
25
ESE
15
SSE
5
SW
5
NW
5
WNW
10
NW
15
N
10
NW
15
WNW
15
WNW
15
W
15
WSW
20
SW
25
WSW
25
WSW
25
WSW
25
WSW
30
WSW
25
W
25
W
30
WSW
25
WNW
25
WNW
25
WNW
25
WNW
20
W
25
W
20
W
20
WSW
25
SW
25
WSW
25
WSW
25
WSW
20
WSW
20
WSW
15
W
20
W
15
W
15
W
10
WSW
10
SW
20
SW
20
SW
20
W
20
WSW
20
W
20
WSW
20
WSW
20
WSW
20
WSW
20
WSW
20
WSW
15
WSW
15
W
15
WSW
15
WSW
20
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
on
cross-
on
cross-
on
glassglasscross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
crosscross-
on
cross-
on
cross-
on
crosscrosscross-
on
cross-
on
crosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
crosscrosscrosscross-
on
cross-
on
crosscrosscross-
on
crosscrosscrosscross-
off
crosscross-
off
crosscross-
on
cross-
on
cross-
on
crosscross-
on
crosscross-
on
crosscross-
on
cross-
on
crosscrosscrosscrosscrosscrosscross
High Tide
/ height (m)
12:29PM
4.58
1:01AM
4.81
1:37PM
4.67
2:08AM
4.87
2:43PM
4.84
3:12AM
4.98
3:43PM
5.03
4:10AM
5.09
4:37PM
5.21
5:04AM
5.18
5:28PM
5.35
5:53AM
5.21
6:16PM
5.42
6:41AM
5.18
Low Tide
/ height (m)
6:41AM
1.52
7:10PM
1.62
7:47AM
1.46
8:18PM
1.50
8:52AM
1.35
9:24PM
1.34
9:53AM
1.23
10:25PM
1.17
10:51AM
1.11
11:23PM
1.02
11:46AM
1.03
12:18AM
0.91
12:37PM
0.99
1:09AM
0.87
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Sunrise-5:11-------5:11-------5:11-------5:11-------5:11-------5:13-------5:13-------5:13--
Sunset-----9:35-------9:35-------9:35-------9:35-------9:35-------9:36-------9:36------
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Rain (mm)
--1---------------------------------------------------------
Temp. °C201920212118161515151516161616161615151516151515151414141414141415151616171716151615161617171616161616171717171616161616
Feels °C (?)17161819201917151413151514141414131211101111111011109101010111111101313151515131413151515151414141312141515161414151414
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>

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