Porsmilin Surf Break

Lat Long: 48.36° N 4.68° W

Porsmilin Surf Forecast and Surf Report

Issued: 1 pm 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's Porsmilin sea temperature is
18.3° C
0.2° 

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


Porsmilin surf forecast from 16 Aug 2026:

  • Best quality surf: Friday 21 Aug, 11PM (local time) - 3.5ft (1.1m), 8s period, NW swell with cross-offshore winds.
  • Most powerful swell: Thursday 20 Aug, 11AM (local time) - 7.5ft (2.3m), 9s period, WNW swell with 917 kJ wave energy.
  • Next surfable swell (1★+): Friday 21 Aug, 11PM (local time) - 3.5ft (1.1m), 8s period with NW swell.

Best Forecast Surf Conditions for Porsmilin this week:

The surf forecast for Porsmilin over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 21) at 11PM. The primary swell is predicted to be 1.1m and 8s period with a secondary swell of 0.4m and 9s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Porsmilin in the next 16 days are 2.3m 9s and forecast to arrive on Thursday (Aug 20) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Sunday (Aug 23) at 8PM.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Fri 21st Aug)3.5ft (1.1m) 8s
Best Surf11PM (Fri 21st Aug)3.5ft (1.1m) 8s
Most Powerful11AM (Thu 20th Aug)7.5ft (2.3m) 9s

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


The Lowdown

Alright folks, Rusty here. Let’s have a look at what’s coming up for Porsmilin.

Straight off the bat, I gotta be honest with you – the next week and a half is a bit of a write-off. We’ve got a long stretch of really small, weak surf and mostly messy conditions. The first proper window of interest doesn't show up until Thursday the 20th of August, and even that’s a bit of a gamble.

We’ll start with Thursday morning the 20th. The swell is pushing up to 8 ft from the WNW, with a period of 9 seconds and a decent energy reading of 1417. That’s a serious amount of water moving, but it’s coming with a fresh 25 km/h cross-shore wind, which will tear it up pretty good. The water’s sitting at 65°, which is bang on normal for this time of year. This one is more for the brave or the experienced – at that size, it’s too big for the learning crew. The combo of size and onshore chop means it’s probably better suited for a kite session than a paddle session.

Friday the 21st of August is where things get a bit more interesting. The morning looks clean with a 5 ft WNW swell, period around 10 seconds, and a gentle 15 km/h cross-offshore breeze from the NNW. That’s a solid intermediate wave, and the energy sits at 444 – moderate, but with good shape potential. The wind’s a real positive here, keeping the surface glassy. The afternoon drops a little to 5 ft, still clean, but the energy backs off. Still, Friday morning is the standout in this whole forecast.

After that, we slide back into tiny stuff for a few days. Saturday the 22nd sees waves dropping to 2 ft, and that’s as good as it gets until the end of the month. There’s a big gap here with no real recommendations until we hit the weekend of the 29th of August.

Saturday the 29th of August shows some promise. The morning swell comes up to 8 ft from the WNW with a 9-second period, and the energy is chunky at 885. The wind is offshore from the NE at 25 km/h, so it’ll be clean but powerful. That’s expert territory at that size. The afternoon is similar at 7 ft with even more energy (1303), but the wind picks up to 30 km/h from the NNE – still offshore, but getting strong. This window is definitely worth watching, but it’s a long way out, so treat it as promising but not locked in.

Then right at the end, Monday the 31st of August shapes up nicely. Morning sessions with a 6 ft WNW swell, 8-second period, 485 energy, and a gentle 15 km/h offshore from the NE. The afternoon looks even better with 7 ft, 575 energy, and a near-calm 5 km/h offshore breeze – that’s about as clean as it gets. If the wind holds, that Monday afternoon could be a real gem, but again, it’s a long-range call.

To wrap it up: the water’s normal for the season, the crowd situation at Porsmilin can be a bit busy sometimes, but it’s fairly consistent. The best bet is Friday morning the 21st for a clean, fun wave, and keep an eye on the end of the month for some bigger, cleaner groundswell. Stay patient, and keep the wax warm.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 20°C on Mon afternoon, min 16°C on Sun night). Wind will be generally light.

Days 5-7 Weather Summary

Some drizzle, heaviest during Thu morning. Very mild (max 18°C on Wed afternoon, min 15°C on Fri night). Mainly fresh winds.

Sun
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
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
1
1
1
1
1
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
NW
7
0.4
NW
7
0.3
W
7
0.8
WNW
9
0.8
WNW
7
0.7
WNW
6
0.6
W
6
0.8
WNW
6
1.3
WNW
10
1.7
WNW
11
2
WNW
9
2.3
WNW
9
2.1
WNW
10
1.8
WNW
10
1.5
WNW
9
1.4
WNW
9
1
NW
7
0.6
NW
8
0.6
W
10
0.5
W
10
Wave Graph
Metric surfscale
Energy kJ
107
12
8
94
64
32
24
41
314
649
658
917
815
609
346
288
107
49
69
45
Wind (km/h)
25
NNW
15
N
10
WNW
20
NW
15
NW
15
W
20
W
15
WNW
20
WNW
20
WNW
25
W
20
WNW
25
WNW
15
NW
20
NW
20
NW
15
N
10
NE
30
N
25
NE
Wind State
cross-off
cross-off
cross
cross-off
cross-off
cross-on
cross-on
cross-off
cross
cross
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
High Tide
8:26PM5.93m
8:46AM5.58m
9:03PM5.53m
9:22AM5.22m
9:40PM5.06m
10:00AM4.81m
10:21PM4.57m
10:44AM4.39m
11:13PM4.13m
11:47AM4.03m
00:35AM3.82m
1:26PM3.88m
2:22AM3.82m
Low Tide
2:28PM0.27m
2:51AM0.34m
3:06PM0.59m
3:27AM0.74m
3:44PM0.99m
4:04AM1.19m
4:24PM1.42m
4:45AM1.64m
5:13PM1.83m
5:39AM2.03m
6:20PM2.14m
6:56AM2.27m
7:54PM2.24m
clear
clear
part cloud
part cloud
clear
part cloud
cloud
part cloud
part cloud
clear
part cloud
rain showers
clear
clear
part cloud
clear
part cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:13
7:15
7:16
7:18
7:20
7:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:31
9:30
9:28
9:25
9:23
9:22
9:21
 mm
1
Temp °C
18
17
19
20
19
19
20
19
19
18
18
18
18
18
17
17
16
16
17
16
Feels °C
15
13
20
19
18
19
19
19
16
14
13
15
15
15
13
13
12
14
14
11
  • Map Icons:
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  • 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 Porsmilin Surf forecast

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

Porsmilin is 11 km (7 miles) from the city of Camaret-sur-Mer. If you plan a holiday in Finistere - Brittany, look for hotels and other accommodation in Camaret-sur-Mer. Camaret-sur-Mer has rooms for a wide range of budgets as well as car hire and transport links.

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