Porsmilin Surf Break

Lat Long: 48.36° N 4.68° W

Porsmilin Surf Forecast and Surf Report

Issued: 7 pm 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's Porsmilin sea temperature is
17.3°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 9 Sep 2026:

  • Best quality surf: Friday 11 Sep, 8AM (local time) - 5.5ft (1.7m), 10s period, W swell with cross-offshore winds.
  • Most powerful swell: Wednesday 16 Sep, 5PM (local time) - 6.5ft (2.0m), 11s period, WNW swell with 926 kJ wave energy.
  • Next surfable swell (1★+): Friday 11 Sep, 8AM (local time) - 5.5ft (1.7m), 10s period with W 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 (Sep 11) at 8AM. The primary swell is predicted to be 1.7m and 10s period. 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 2.0m 11s and forecast to arrive on Wednesday (Sep 16) at 5PM. Winds are predicted to be offshore at the time the swell arrives.

Wave TypeTime (CEST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Fri 11th Sep)5.5ft (1.7m) 10s
Best Surf 8AM (Fri 11th Sep)5.5ft (1.7m) 10s
Most Powerful 5PM (Wed 16th Sep)6.5ft (2.0m) 11s

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 down the pipe for the next couple of weeks. It’s a bit of a slow start, so don’t be in a rush to grab your board just yet.

We're looking at Porsmilin, a sandbar set-up that can handle a bit of a swell. The water temp is sitting about average for the time of year, nothing wild there.

The first few days are pretty quiet. Thursday the 10th has onshore wind and weak little waves, not worth your time. Friday morning the 11th is where things start to wake up. We get some clean, glassy conditions with a 5ft swell from the west, period around 9 seconds, and the combined energy is a solid moderate 392. It’s a nice start to the weekend for an intermediate surfer. That Friday afternoon stays clean, but the wind shifts a bit cross-off and the swell drops a touch.

Saturday the 12th is a bit of a write-off with cross-on wind and poor conditions, even though the swell bumps up later in the day to 5ft with a long period of 13 seconds and a strong energy reading of 788. That’s a groundswell, but the wind messes it up here. Sunday the 13th looks a bit better with a solid 6ft swell and clean conditions in the afternoon.

Then we hit a real dry spell. Monday the 14th through Tuesday the 15th of September is flat and poor. Wednesday the 16th has a strong offshore wind but the rain and messy conditions mean it’s not a goer.

We finally get a proper standout on Friday the 18th of September. The morning session looks like the best of the run. You’ve got a moderate 5ft swell from the WNW with an 11-second period, clean conditions with a moderate offshore breeze, and combined energy of 511. That’s a solid, moderate wave energy. The wind is offshore and it’s clean, so the waves will be well-shaped. This is the one to circle on the calendar.

The weekend of the 19th and 20th has some interesting calls. Saturday the 19th morning goes glassy with a smaller 3ft swell, clean and fun for a longboard. But Sunday the 20th sees a massive jump in size. We’re looking at an 12ft swell from the WNW with a very long 15-second period, and the combined energy is a massive 6586. The wind is light and cross-off, so it’s clean, but that’s expert territory only. It’s simply too big for this break for anyone else.

Moving into the second week, Monday the 21st of September morning is another great window. A solid 7ft swell from the WNW with a 12-second period, clean with light offshore wind, and combined energy of 1358. It’s a strong, powerful groundswell. This is for experienced surfers only, but the conditions are excellent.

After that, the swell drops back down through the 22nd and the rest of the week sees smaller, weaker swell and increasingly cross-off winds. The last few days from the 23rd to the 25th of September are poor, with weak energy and unfavourable wind.

So, the two true standouts are the morning of Friday the 18th of September and the morning of Monday the 21st of September. Both have clean conditions, solid swell, and good energy. The Friday is more for the intermediate crowd, the Monday is for the experienced crew.

Rusty.

Short Range Forecast

Some drizzle, heaviest during Fri morning. Very mild (max 19°C on Fri afternoon, min 16°C on Wed night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 22°C on Tue afternoon, min 17°C on Sun night). Wind will be generally light.

Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
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
2
1
1
0
1
2
2
2
2
0
0
0
0
0
2
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
NW
9
0.8
WNW
9
0.9
WNW
8
1.8
W
10
1.5
W
9
1.3
W
9
1.1
W
8
1
W
8
1.4
WNW
13
1.7
WNW
12
1.7
WNW
11
1.6
WNW
11
1.1
W
10
0.9
W
9
0.8
W
9
0.7
W
8
0.6
W
8
1.5
WNW
10
2.2
WNW
8
Wave Graph
Metric surfscale
Energy kJ
190
99
112
627
392
258
157
137
683
847
750
608
231
133
101
69
46
471
605
Wind (km/h)
5
SSW
15
SSW
20
SW
20
SW
5
WNW
15
NW
5
SE
10
WSW
15
WSW
15
W
10
WNW
15
WNW
5
N
5
SE
10
WSW
10
ESE
15
SSE
10
SW
25
NNW
Wind State
on
on
on
cross-on
glassy
cross-off
glassy
cross-on
cross-on
cross
cross
cross-off
off
cross
cross-on
cross
cross-on
on
cross-off
High Tide
5:13AM5.62m
5:30PM6.03m
5:53AM5.91m
6:08PM6.24m
6:29AM6.06m
6:45PM6.27m
7:04AM6.06m
7:19PM6.13m
7:37AM5.92m
7:53PM5.86m
8:09AM5.65m
8:26PM5.48m
Low Tide
11:13PM0.37m
11:29AM0.40m
11:54PM0.06m
12:09PM0.14m
00:32AM-0.09m
12:47PM0.03m
1:08AM-0.06m
1:22PM0.07m
1:41AM0.12m
1:56PM0.27m
2:14AM0.42m
2:30PM0.58m
2:46AM0.81m
part cloud
part cloud
part cloud
part cloud
rain showers
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:47
7:48
7:50
7:50
7:52
7:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:45
8:43
8:40
8:37
8:36
8:34
8:31
 mm
1
Temp °C
16
16
17
17
18
19
19
17
18
18
18
18
18
18
20
21
20
22
19
Feels °C
14
14
14
14
19
18
18
17
17
17
18
18
18
18
20
19
17
19
19
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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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