Porthtowan surfForecast / Cornwall (North) / UK

information circle48hr Weather and Surf, issued 12 am Friday 27 Jun 2025 BST
Forecast update in hr  min  s Forecast update imminent
Porthtowan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porthtowan sea temperature is
15.8° C
(Which is 1.0°C warmer than normal for this time of year)


How big are the waves at Porthtowan today?

The current surf forecast for Porthtowan at 2AM is: 1.5m 9s primary swell from a West direction (forecast issued at 12:00am June 27). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (BST) & DateWave HeightWave Period
Morning (27 Jun)5ft (1.5m)10s
Afternoon (27 Jun)5ft (1.5m)10s
Evening (27 Jun)5.5ft (1.7m)10s

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

Updates in  hr  min  s Forecast update imminent
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM
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
Swell
Height Map
Wave Height (m) & direction (?)
1.6
W
1.5
W
1.5
W
1.5
W
1.6
W
1.7
W
1.5
W
1.9
W
1.7
W
1.8
W
1.8
W
1.7
W
1.7
W
1.7
W
1.6
W
1.6
W
1.6
W
1.5
W
1.5
W
1.7
W
1.7
W
1.7
W
1.7
W
1.6
W
1.6
W
1.5
W
1.4
W
1.3
W
1.3
W
1.3
W
1.4
W
1.4
W
1.4
W
1.4
W
1.4
W
1.4
W
1.4
W
1.3
W
1.4
W
1.4
W
1.5
W
1.6
W
1.5
W
1.5
W
1.5
WNW
1.2
W
1
W
0.9
W
0.7
W
0.7
W
1.1
WNW
1.1
NW
0.7
W
1.1
WNW
1
WNW
0.5
W
0.5
W
0.5
W
0.7
WNW
0.8
WNW
Period(s) (?)99101010101010101010999999910121212121111111111111010101010101010109998888888886688888855
Wave
Graph
(?)Metric surfscale
Energy (?)39836541543297811384967405556055804974864814364454453825231280814814786663643546459382375361410392384379371363372330336313351364295294266202150123891031361391141611255349454649
Wind
(km/h)
15
SW
10
S
15
SSW
25
SSW
30
SW
30
SW
30
SW
30
SW
20
SW
20
SW
20
SW
20
SW
20
SW
20
WSW
15
WSW
15
WSW
10
WSW
5
SW
5
WSW
5
SW
5
WSW
5
NW
5
NNW
10
N
10
NNE
10
NE
5
SE
5
SE
5
NE
10
NW
10
WNW
15
WNW
10
WNW
10
W
10
W
10
WNW
10
WNW
15
NW
15
NW
15
NW
15
NW
15
NW
15
NW
20
NNW
25
NNW
25
NNW
25
NNW
25
NNW
25
NNW
20
NNW
20
N
25
N
25
N
25
NNW
25
NNW
20
NNW
20
NW
10
NNW
10
NW
10
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
cross-
off
cross-
off
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
on
cross-
on
crosscrosscross-
on
crosscross-
on
glasscross-
on
cross-
on
cross-
on
crossoffglassglassononononcross-
on
cross-
on
ononononononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
ononononcross-
on
High Tide
/ height (m)
7:07AM
6.13
7:28PM
6.37
7:53AM
6.00
8:14PM
6.24
8:38AM
5.79
8:59PM
6.02
9:23AM
5.53
9:44PM
5.73
10:09AM
5.25
10:31PM
5.41
10:57AM
4.98
11:20PM
5.09
11:49AM
4.76
12:14AM
4.83
Low Tide
/ height (m)
1:12AM
0.33
1:30PM
0.48
1:59AM
0.40
2:15PM
0.60
2:45AM
0.57
2:59PM
0.79
3:30AM
0.82
3:42PM
1.04
4:14AM
1.10
4:27PM
1.32
4:59AM
1.38
5:13PM
1.59
5:46AM
1.63
6:05PM
1.82
6:39AM
1.82
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
Sunrise---5:11-------5:11-------5:13-------5:13-------5:13-------5:13-------5:15-------5:16
Sunset-------9:35-------9:35-------9:35-------9:35-------9:35-------9:34-------9:34----
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Rain (mm)
------------------------------------------------------------
Temp. °C161617171920191818181818181919191818181819192020181818182022211918171717181817161515151515151515151515151515151414141414
Feels °C (?)141516151516151516171717171818191819191920202121181819192123211818171718191715141313131210101010111211111111111010121212
  • 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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