Portreath Beach Surf Break

Lat Long: 50.26° N 5.30° W

Portreath Beach Surf Forecast and Surf Report

Issued: 6 am 28 Aug 2026 (local time)

Forecast update in  hr  min

Today's Portreath Beach sea temperature is
17.9°C
1.2° 

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


Portreath Beach surf forecast from 28 Aug 2026:

  • Most powerful swell: Saturday 29 Aug, 4PM (local time) - 11ft (3.5m), 10s period, WSW swell with 2,247 kJ wave energy.

Best Forecast Surf Conditions for Portreath Beach this week:

The most powerful waves expected at Portreath Beach in the next 16 days are 3.5m 10s and forecast to arrive on Saturday (Aug 29) at 4PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Saturday (Aug 29) at 10AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 4PM (Sat 29th Aug)11ft (3.5m) 10s

Table - best surf conditions forecast for Portreath Beach over the next 16 days.


The Lowdown

Right then, let's have a look at what's on the cards for Portreath Beach. I won't sugarcoat it – this isn't a pretty outlook. We've got a long, dry spell of poor conditions stretching across most of the next two weeks. The first real glimmer of anything rideable doesn't show up until much later.

Alright, so here's the deal. From now, right through the end of August and the first few days of September, it's just messy. There's swell, sure, but the wind is a constant problem. For the morning of the 28th of August, yeah there's a 4ft swell from the WSW, but it's a short-period 6 seconds and a cross-on wind is making it choppy. The same goes for the afternoon, with a bigger 5ft swell but even stronger cross-shore wind. It's all just blown out. The wave energy is moderate at best, with readings like 119 and 189, nowhere near enough to overcome the wind and make something decent.

We get a bit of a breather on the morning of the 29th of August – a clean-looking window with a cross-offshore breeze, but the swell has dropped to a pathetic 1ft. Not worth getting wet for.

Then the 30th of August morning has a cleaner look with a 6ft WSW swell at 9 seconds and a cross-off wind, and wave energy is moderate (524). That's probably the best of an average bunch, but with that size and the wind angle, it's not a standout.

Late on the 31st of August, there's a big surge of energy – a 10ft swell from the West (10 seconds) hitting 1495 in the morning, but it’s onshore and ugly. That's expert territory for size and blown out. The 4th of September brings a long-period 12-second groundswell from the West at 7ft, with wave energy rocketing to 1302, but again, a cross-onshore wind spoils it. It's a tease.

Honestly, if you're looking for a clean, rideable wave, you're waiting until the 5th of September. That Saturday morning is the only thing worth your time. We get a 4ft groundswell from the West with a nice 11-second period and a cross-shore breeze from the Northeast. The combined energy is 375, so there's some punch there. It's a marginal call, but with light winds, it might just clean up. That's your only real shot in this whole 16-day window.

For a place like Portreath, which is fairly exposed to the Northwest swell, this kind of blank run is a bit unusual. The water temperature is 64° – a touch warmer than normal for this time of year, but you won't be feeling that when you're sat on your board staring at a flat, choppy line-up. The rest of the forecast is just more of the same: onshore winds, lumpy seas, or tiny, weak swells. It's a poor outlook.

Rusty.

Short Range Forecast

Heavy rain (total 24mm), heaviest during Sat morning. Warm (max 20°C on Fri morning, min 16°C on Sat night). Mainly strong winds.

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Wed morning. Very mild (max 18°C on Tue morning, min 16°C on Mon night). Winds increasing (light winds from the W on Mon night, fresh winds from the SW by Wed afternoon).

Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
WSW
6
1.6
WSW
6
1.4
SW
6
0.3
WNW
6
3.5
WSW
10
2.2
WSW
9
1.9
WSW
9
2.4
WSW
8
3
W
9
3
W
10
2.4
W
10
1.7
W
9
1.2
W
9
1.1
W
8
0.9
W
8
0.8
WSW
5
1.6
WSW
6
2.5
WSW
8
2.3
WSW
9
2.2
WSW
8
2
WSW
8
Wave Graph
Metric surfscale
Energy kJ
88
177
126
6
2247
761
524
751
1586
1495
1092
501
220
165
103
29
176
915
790
629
484
Wind (km/h)
25
WSW
30
SW
20
SSW
40
SSW
45
W
20
WSW
30
SSW
30
SW
30
W
25
WNW
20
NW
10
W
10
W
20
W
20
W
20
WSW
30
SW
30
WSW
30
SW
35
SW
30
WSW
Wind State
cross-on
cross
cross-off
cross-off
cross-on
cross-on
cross-off
cross
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
High Tide
6:22PM6.27m
6:39AM6.16m
6:54PM6.48m
7:11AM6.32m
7:27PM6.57m
7:44AM6.37m
8:01PM6.51m
8:19AM6.28m
8:38PM6.31m
8:58AM6.06m
9:19PM5.97m
9:41AM5.71m
10:06PM5.53m
Low Tide
12:23PM0.55m
00:44AM0.38m
12:55PM0.34m
1:15AM0.22m
1:27PM0.24m
1:47AM0.20m
1:59PM0.27m
2:20AM0.30m
2:34PM0.42m
2:55AM0.54m
3:12PM0.69m
3:35AM0.89m
3:57PM1.06m
clear
part cloud
rain showers
rain showers
part cloud
part cloud
rain showers
thunderstorm
thunderstorm
part cloud
part cloud
cloud
clear
clear
part cloud
light rain
light rain
part cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:30
6:31
6:33
6:33
6:35
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:15
8:13
8:10
8:07
8:06
8:04
8:01
 mm
7
8
1
6
2
1
1
Temp °C
20
19
18
19
18
17
19
18
16
17
17
16
18
18
17
18
18
18
19
20
19
Feels °C
15
14
15
13
11
14
15
14
10
13
14
14
15
15
15
16
14
15
16
16
16
  • 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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Information about the Portreath Beach Surf forecast

The above surf forecast table for Portreath Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Portreath Beach can be found by selecting the local surf guide option on the grey menu. Our Portreath Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Portreath Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Portreath Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Portreath Beach is 5 km (3 miles) from Camborne. If you plan a holiday in North Cornwall, look for hotels and other accommodation in Camborne. Camborne has rooms for a wide range of budgets as well as car hire and transport links.

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