Portreath Beach Surf Break

Lat Long: 50.26° N 5.30° W

Portreath Beach 48 hour detailed Surf Forecast

Issued: 12 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Portreath Beach sea temperature is
17.5°C
1.6° 

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 (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 6ft (1.9m), 13s period with WNW swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 6ft (1.9m), 12s period with W swell.
  • Evening surf: Evening surf (18 Sep, local time) - 6ft (1.9m), 7s period with W swell.

The current surf forecast for Portreath Beach at 7AM is: 2.1m 13s primary swell from a West-northwest direction and 0.1m 12s secondary swell from a Southwest direction (forecast issued at 12:00am September 18). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (18 Sep)6ft (1.9m)13s
Afternoon (18 Sep)6ft (1.9m)12s
Evening (18 Sep)6ft (1.9m)7s

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


Short Range Forecast

Some drizzle, heaviest during Sat night. Very mild (max 18°C on Fri night, min 14°C on Sat night). Winds decreasing (fresh winds from the SW on Sat morning, calm by Sun afternoon).

Friday
18
Saturday
19
Sunday
20
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
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2
1
1
1
1
2
2
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)
2.3
WNW
11
2.2
WNW
13
2.1
WNW
13
1.9
WNW
13
1.9
W
13
2
W
12
1.8
W
7
1.9
W
8
2
W
8
2
W
8
2
W
8
2
W
8
2.2
W
11
2.2
W
11
2.1
W
11
2
W
11
1.9
W
11
1.7
W
11
1.6
W
11
1.5
W
11
1.4
W
11
1.4
W
11
1.3
W
11
1.2
W
11
Wave Graph
Metric surfscale
Energy kJ
1211
1581
1430
1249
1191
1190
330
413
488
491
491
513
1109
1107
1009
915
828
663
606
543
475
475
410
351
Wind (km/h)
25
WNW
20
WNW
20
W
25
WSW
30
WSW
30
WSW
30
SW
30
SW
30
SW
30
WSW
25
SW
30
SW
30
WSW
25
W
15
W
10
WSW
5
W
10
N
10
NNW
10
NW
10
NW
5
WNW
5
NW
5
W
Wind State
on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
glassy
glassy
High Tide
10:05AM4.86m
10:31PM4.52m
11:00AM4.42m
11:41PM4.13m
12:28PM4.15m
Low Tide
3:56AM1.72m
4:23PM1.89m
4:45AM2.16m
5:28PM2.29m
6:06AM2.47m
7:12PM2.45m
clear
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
cloud
light rain
cloud
part cloud
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:00
7:01
7:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:29
7:27
7:24
 mm
1
Temp °C
15
15
15
16
16
16
16
16
18
17
16
17
17
18
17
17
17
15
14
15
17
18
17
16
Feels °C
11
11
12
12
11
11
12
12
15
14
13
13
14
15
16
17
18
15
14
15
16
18
17
17
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Portreath Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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