Surf Forecasts:
Porsmilin surf forecast from 20 Aug 2026:
- Best quality surf: Friday 21 Aug, 2AM (local time) - 7ft (2.1m), 10s period, WNW swell with cross-offshore winds.
- Most powerful swell: Thursday 20 Aug, 8PM (local time) - 7ft (2.2m), 10s period, WNW swell with 887 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 2AM (local time) - 7ft (2.1m), 10s period with WNW 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 2AM. The primary swell is predicted to be 2.1m and 10s period with a secondary swell of 0.1m and 13s. 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 2.2m 10s and forecast to arrive on Thursday (Aug 20) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Sunday (Aug 23) at 8PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Fri 21st Aug) | 7ft (2.1m) 10s |
| Best Surf | 2AM (Fri 21st Aug) | 7ft (2.1m) 10s |
| Most Powerful | 8PM (Thu 20th Aug) | 7ft (2.2m) 10s |
Table - best surf conditions forecast for Porsmilin over the next 16 days.
The Lowdown
Alright, surfers, Rusty here. Let's have a look at what's on the cards for Porsmilin over the next couple of weeks.
The next few days are looking pretty grim, to be honest. We've got a bit of a waiting game on our hands. The wave energy is weak, with readings around 100-200 (combined energy), and the swell is small and short-period. From Thursday, August 20th right through the end of the first week, conditions are just messy. There's a lot of cross-shore and onshore wind, a lot of lumpy, choppy water, and the scores are just not there for a decent paddle-out. You'd be looking at a 8 ft swell on Thursday, but it's sloppy with a cross-shore wind. We'll see a few small windows of clean surf, like Saturday morning when the swell drops to 3 ft and the wind goes light offshore from the NE, but it's weak and short-period. The rest of the week is a write-off with strong winds and poor surf.
Now, the water temperature is sitting at 64°, which is just about bang on average for this time of year, so no need for a thick wetsuit just yet.
The real hope comes in the second week. There's a promising window opening up around Thursday, September 3rd. That Friday morning, September 4th is looking like the standout. We've got a clean 6 ft NW swell with a moderate offshore breeze from the ENE. The energy is starting to build (467), and the winds are offshore, meaning clean, lined-up waves. This is the one to circle on the calendar. It's a moderate offshore breeze, so the face will be nice and smooth. The break is a sandbar, and it's fairly consistent, so there should be waves to go around, though you might have some company.
The swell direction is coming from the NW and WNW, which is a good angle for this spot. The water's about average for the time of year, so no shocks there.
So, a quiet start, but a solid finish. Keep an eye on that Friday, September 4th.
Rusty.
Short Range ForecastMostly dry. Warm (max 21°C on Sat afternoon, min 14°C on Sat morning). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 7mm), mostly falling on Wed morning. Warm (max 24°C on Mon afternoon, min 17°C on Sun night). Winds decreasing (fresh winds from the NE on Sun night, calm by Mon night). | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 10 | WNW 9 | NW 8 | NW 7 | NW 7 | W 9 | W 9 | WSW 11 | WSW 10 | WSW 9 | SW 9 | SW 8 | NW 11 | WNW 10 | SSW 7 | SW 8 | SW 8 | W 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 963 | 832 | 495 | 395 | 241 | 60 | 49 | 24 | 13 | 37 | 36 | 8 | 21 | 24 | 55 | 64 | 203 | 681 | 277 | 528 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross | on | cross-on | on | cross-on | on | on |
High Tide | 11:13PM4.13m | 11:47AM4.03m | 00:35AM3.82m | 1:26PM3.88m | 2:22AM3.82m | 2:58PM4.05m | 3:35AM4.08m | 3:57PM4.40m | 4:22AM4.44m | 4:39PM4.80m | 5:00AM4.82m | 5:14PM5.19m | ||||||||
Low Tide | 5:13PM1.83m | 5:39AM2.03m | 6:20PM2.14m | 6:56AM2.27m | 7:54PM2.24m | 8:33AM2.23m | 9:21PM2.03m | 9:46AM1.94m | 10:19PM1.66m | 10:35AM1.56m | 11:01PM1.27m | 11:13AM1.18m | 11:36PM0.89m | |||||||
 |  | | |  | |  | |  | | | | | | |  |  | | |  | |
 | — | — | 7:20 | — | — | 7:20 | — | — | 7:22 | — | — | 7:24 | — | — | 7:24 | — | — | 7:26 | — | — |
 | — | 9:23 | — | — | 9:22 | — | — | 9:21 | — | — | 9:19 | — | — | 9:16 | — | — | 9:15 | — | — | 9:13 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | 4 | 4 | 8 |
Temp °C | 18 | 18 | 16 | 17 | 16 | 16 | 21 | 20 | 19 | 23 | 21 | 21 | 24 | 20 | 20 | 21 | 19 | 18 | 18 | 18 |
Feels °C | 14 | 15 | 14 | 14 | 11 | 14 | 17 | 16 | 14 | 16 | 14 | 15 | 21 | 20 | 19 | 20 | 18 | 15 | 13 | 15 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 10 | SW 13 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | WSW 11 | WSW 10 | SE 6 | SW 9 | SW 8 | NW 11 | SW 8 | WNW 9 | SW 8 | SW 8 | W 9 |
| kJ | 963 | 832 | 495 | 7 | 241 | 60 | 56 | 18 | 7 | 37 | 36 | 6 | 21 | 24 | 55 | 43 | 46 | 681 | 277 | 528 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 13 | SW 13 | SW 16 | SW 15 | W 10 | W 9 | W 9 | SE 6 | SE 6 | SSE 6 | WSW 9 | NNE 7 | SSE 4 | SW 8 | WNW 10 | W 8 | WNW 9 | WNW 8 | — |
| kJ | 8 | 7 | 7 | 10 | 9 | 46 | 43 | 24 | 5 | 13 | 4 | 8 | 9 | 6 | 24 | 64 | 1 | 46 | 125 | — |
Swell 3 Height (m) Direction Period (s) | — | — | SW 16 | SW 16 | — | SW 15 | NNW 7 | NNW 6 | W 9 | SW 14 | SW 14 | SW 12 | W 9 | NNE 7 | NNE 7 | NE 6 | SW 13 | — | WNW 11 | — |
| kJ | — | — | 10 | 10 | — | 9 | 4 | 12 | 13 | 7 | 7 | 6 | 2 | 10 | 11 | 1 | 6 | — | 12 | — |
Wind waves Height (m) Direction Period (s) | WNW 10 | — | — | WNW 9 | — | — | NW 7 | NE 3 | ENE 3 | NE 4 | NE 4 | NE 3 | SE 6 | SSE 4 | S 5 | SSW 3 | SSW 7 | — | — | — |
| kJ | 640 | — | — | 395 | — | — | 49 | 6 | 6 | 7 | 13 | 5 | 15 | 7 | 4 | 4 | 203 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 359 | 0 | 2 | 2 | 22 | 0 | 2 | 62 | 201 | 10 | 198 | 198 | 538 | 39 | 33 | 13 | 25 | 37 | 198 | 36 |
Best forecast wave conditions in Finistere - Brittany | ||||||||||||||||||||
Best forecast wave conditions in France | ||||||||||||||||||||
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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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