Porthtowan Surf Break

Lat Long: 50.28° N 5.25° W

Porthtowan Surf Forecast and Surf Report

Issued: 6 am 19 Jul 2026 (local time)

Forecast update in  hr  min

Today's Porthtowan sea temperature is
18.3° C
2.0° 

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


Porthtowan surf forecast from 19 Jul 2026:

  • Most powerful swell: Sunday 26 Jul, 1PM (local time) - 6.5ft (2.0m), 7s period, W swell with 396 kJ wave energy.

Best Forecast Surf Conditions for Porthtowan this week:

The most powerful waves expected at Porthtowan in the next 16 days are 2.0m 7s and forecast to arrive on Sunday (Jul 26) at 1PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 3s period and expected on Sunday (Jul 19) at 4PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 1PM (Sun 26th Jul)6.5ft (2.0m) 7s

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


The Lowdown

Alright, mate, let’s have a look at what’s happening around Porthtowan. I’ll be straight with you – the next 16 days are a real bummer. There’s not a single decent surf window on offer. The whole stretch from July 19 right through to August 3 is a write‑off. Every session shows poor surf conditions, and the rating is zero across the board. That’s a long blank run, but Porthtowan is usually fairly consistent, so this quiet spell is a bit of an outlier. It won’t stay this way forever – forecasts can change.

We start Sunday morning, July 19, with a tiny 2.6 ft northerly windswell, period just 6 seconds, and a gentle SSE breeze that’s offshore but the wave energy is weak (45). Water temp is sitting at 64.9°F, a touch warmer than normal for this time of

Short Range Forecast

Mostly dry. Warm (max 22°C on Tue morning, min 16°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 22°C on Fri morning, min 15°C on Wed afternoon). Winds decreasing (fresh winds from the N on Wed afternoon, calm by Fri morning).

Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
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
0
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)
0.8
N
6
0.6
N
5
0.5
N
5
0.6
N
5
0.7
N
5
0.9
N
5
0.4
WNW
10
0.4
WNW
10
0.9
N
5
1.1
N
5
1.1
N
5
1.2
N
6
1.1
N
6
0.9
N
5
0.9
N
5
0.5
N
4
0.2
W
8
0.2
W
8
0.2
W
8
0.8
WNW
5
0.9
WNW
5
Wave Graph
Metric surfscale
Energy kJ
39
21
14
15
25
47
33
33
41
62
59
95
75
38
37
9
7
6
6
31
38
Wind (km/h)
15
SSE
5
ESE
15
N
10
ENE
20
N
15
N
10
NNE
15
N
15
N
25
NNE
30
N
25
N
25
NNE
25
N
15
N
5
ESE
10
N
5
NE
10
N
20
NNW
20
W
Wind State
off
cross-off
cross-on
cross-off
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
cross-on
glassy
cross-on
cross-on
cross-on
High Tide
9:47PM6.02m
10:10AM5.54m
10:32PM5.58m
10:57AM5.17m
11:21PM5.12m
11:50AM4.83m
00:18AM4.74m
12:52PM4.59m
1:26AM4.50m
2:03PM4.50m
2:39AM4.47m
3:12PM4.61m
3:43AM4.63m
Low Tide
3:45PM0.71m
4:14AM0.83m
4:29PM1.08m
4:58AM1.24m
5:16PM1.47m
5:45AM1.62m
6:09PM1.82m
6:41AM1.93m
7:14PM2.05m
7:50AM2.10m
8:30PM2.11m
9:03AM2.07m
9:40PM1.97m
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:31
5:31
5:33
5:33
5:35
5:37
5:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:22
9:21
9:20
9:19
9:16
9:15
9:15
 mm
7
Temp °C
21
21
18
21
20
17
22
22
19
16
16
17
18
17
16
22
22
18
21
20
17
Feels °C
19
21
17
19
16
14
20
19
17
11
12
13
14
13
14
22
21
17
18
16
13
  • 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
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Information about the Porthtowan Surf forecast

The above surf forecast table for Porthtowan provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Porthtowan can be found by selecting the local surf guide option on the grey menu. Our Porthtowan 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 (Porthtowan) 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 Porthtowan 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.

Porthtowan is 8 km (5 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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