Portreath Beach Surf Break

Lat Long: 50.26° N 5.30° W

Portreath Beach 48 hour detailed Surf Forecast

Issued: 6 am 21 Sep 2026 (local time)

Forecast update in  hr  min

Today's Portreath Beach sea temperature is
17.3°C
1.7° 

Portreath Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Portreath Beach today (21 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 3.5ft (1.1m), 12s period with W swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 3.5ft (1.0m), 11s period with W swell.
  • Evening surf: Evening surf (21 Sep, local time) - 2.5ft (0.8m), 11s period with WNW swell.

The current surf forecast for Portreath Beach at 11AM is: 1.1m 12s primary swell from a West direction and 0.1m 13s secondary swell from a Southwest direction (forecast issued at 06:00am September 21). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (21 Sep)3.5ft (1.1m)12s
Afternoon (21 Sep)3.5ft (1.0m)11s
Evening (21 Sep)2.5ft (0.8m)11s

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


Short Range Forecast

Mostly dry. Very mild (max 19°C on Mon morning, min 12°C on Wed night). Wind will be generally light.

Monday
21
Tuesday
22
Wednesday
23
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
Rating
(10 max)
2
1
1
1
0
0
0
0
0
0
0
1
2
2
2
2
3
4
1
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
W
11
1.1
W
11
1.1
W
12
1
W
12
0.9
WNW
11
0.9
WNW
11
0.8
W
11
0.8
W
9
0.8
W
9
0.8
WNW
10
1
W
10
1.1
W
12
1.2
W
12
1.3
W
12
0.8
W
18
1.4
WNW
15
2
W
15
2
W
14
1.9
W
14
1.7
W
13
1.6
W
13
1.5
W
13
1.3
WNW
12
Wave Graph
Metric surfscale
Energy kJ
364
319
330
270
209
194
143
108
113
133
216
336
397
449
410
904
1709
1617
1422
1034
892
775
503
Wind (km/h)
5
SW
10
W
10
NW
10
NNW
10
NNW
5
NNW
5
N
5
N
5
NNE
10
NNE
10
NNE
5
NE
5
NE
10
NNE
10
NNE
5
NNE
5
N
0
NNW
15
NW
20
N
30
N
25
NNE
15
NE
Wind State
cross-off
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
glassy
cross-on
cross
cross
cross-on
glassy
on
cross-on
cross-on
cross-on
cross
High Tide
2:15PM4.26m
2:57AM4.30m
3:22PM4.66m
3:49AM4.74m
4:07PM5.14m
Low Tide
7:56AM2.45m
8:48PM2.23m
9:14AM2.11m
9:48PM1.81m
10:04AM1.66m
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:05
7:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:22
7:20
7:17
 mm
Temp °C
17
18
18
19
19
17
17
17
17
17
17
19
19
18
17
17
17
17
18
17
15
14
13
Feels °C
18
19
19
20
20
18
18
18
18
18
17
20
20
18
17
18
18
18
16
15
11
10
10
  • 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
How to use the Wavefinder 

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