Surf Forecasts:
Porsmilin surf forecast from 8 Sep 2026:
- Best quality surf: Wednesday 9 Sep, 5PM (local time) - 5ft (1.5m), 10s period, NW swell with cross-offshore winds.
- Most powerful swell: Saturday 12 Sep, 5PM (local time) - 5.5ft (1.7m), 13s period, WNW swell with 936 kJ wave energy.
- Next surfable swell (1★+): Wednesday 9 Sep, 5PM (local time) - 5ft (1.5m), 10s 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 Wednesday (Sep 09) at 5PM. The primary swell is predicted to be 1.5m and 10s period with a secondary swell of 0.8m and 8s. 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 1.7m 13s and forecast to arrive on Saturday (Sep 12) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Wed 9th Sep) | 5ft (1.5m) 10s |
| Best Surf | 5PM (Wed 9th Sep) | 5ft (1.5m) 10s |
| Most Powerful | 5PM (Sat 12th Sep) | 5.5ft (1.7m) 13s |
Table - best surf conditions forecast for Porsmilin over the next 16 days.
The Lowdown
Alright crew, Rusty here again. Let’s break it down in feet and miles per hour.
The first few days are a waste. Tuesday morning has a 8ft swell from the W, but a 45 mph NNW wind is howling, so forget it. Wednesday cleans up a bit, but it’s not until Wednesday afternoon that we get a decent window.
The first real highlight is Thursday 11 September morning at Porsmilin. Clean 5ft swell from the W, 9 seconds, with a light cross-offshore breeze. That’s a proper session for the average surfer.
Friday 12 September is the one to circle. Saturday morning is glassy — a 5 mph NNE breeze, clean 4ft swell from the NW, 10 seconds. The water temp is about 64°, which is normal for the season. The wave energy is moderate (392) but the surface is dead flat. That’s the best-looking wave in the whole 16 days.
Saturday afternoon gets a bit bigger, 6ft from the WNW with a 13-second period and strong energy (1120), but the wind swings cross-shore, so it’s a bit bumpy. Still a solid wave for the more experienced.
Sunday and Monday are a write-off with onshore winds and chop. The second week is mostly small, with wind constantly blowing cross-off. The 19th and 23rd of September have pulses around 4ft, but nothing special.
The standout is Saturday morning 12 September at Porsmilin — glassy, clean, and fun. Mark it.
Rusty.
Short Range ForecastModerate rain (total 11mm), heaviest on Tue morning. Very mild (max 18°C on Thu night, min 14°C on Wed night). Winds decreasing (strong winds from the SSW on Tue morning, calm by Wed night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 19°C on Fri morning, min 13°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | |||||||||||||||
AM | 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) | W 7 | W 8 | NW 9 | NW 9 | NW 10 | NW 9 | WNW 9 | WNW 8 | W 10 | W 9 | W 9 | WNW 8 | NW 10 | WNW 13 | WNW 12 | WNW 12 | WNW 11 | WNW 10 | WNW 9 | W 9 | WNW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 578 | 754 | 450 | 466 | 432 | 190 | 99 | 59 | 630 | 392 | 269 | 167 | 229 | 936 | 677 | 907 | 693 | 388 | 151 | 101 | 53 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | on | cross-on | cross-off | cross-off | off | glassy | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross-off |
High Tide | 3:57PM5.19m | 4:29AM5.22m | 4:47PM5.67m | 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 | ||||||||
Low Tide | 9:50AM1.26m | 10:25PM0.80m | 10:44AM0.79m | 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 | |||||||
 |  |  | | | |  | | | | |  | | | | |  |  | | | | |
 | 7:43 | — | — | 7:46 | — | — | 7:47 | — | — | 7:48 | — | — | 7:50 | — | — | 7:50 | — | — | 7:52 | — | — |
 | — | 8:46 | — | — | 8:45 | — | — | 8:43 | — | — | 8:40 | — | — | 8:37 | — | — | 8:36 | — | — | 8:34 | — |
mm | 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 17 | 18 | 19 | 19 | 16 | 13 | 15 | 17 | 18 | 18 | 19 | 20 | 21 | 20 |
Feels °C | 10 | 11 | 12 | 13 | 13 | 14 | 12 | 13 | 16 | 18 | 16 | 14 | 12 | 12 | 15 | 16 | 16 | 21 | 21 | 21 | 20 |
Swell 1 Height (m) Direction Period (s) | W 7 | WNW 9 | WSW 9 | NW 9 | NW 10 | NW 9 | WNW 9 | WNW 8 | W 10 | W 9 | W 9 | WNW 8 | NW 10 | WNW 13 | WNW 12 | WNW 12 | WNW 11 | WNW 10 | WNW 9 | W 9 | W 8 |
| kJ | 578 | 99 | 232 | 466 | 432 | 190 | 99 | 59 | 630 | 392 | 269 | 167 | 229 | 936 | 677 | 907 | 693 | 388 | 151 | 101 | 49 |
Swell 2 Height (m) Direction Period (s) | W 10 | — | WNW 11 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | — | — | — | NW 10 | W 8 | WNW 13 | — | S 13 | — | — | W 9 | NW 10 | WNW 9 |
| kJ | 133 | — | 79 | 147 | 96 | 50 | 33 | 19 | — | — | — | 4 | 76 | 184 | — | 3 | — | — | 80 | 98 | 53 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 13 | W 12 | W 11 | — | — | — | W 18 | WNW 15 | — | — | — | — | — | — | — | WNW 13 |
| kJ | — | — | — | — | — | 3 | 11 | 9 | — | — | — | 6 | 87 | — | — | — | — | — | — | — | 17 |
Wind waves Height (m) Direction Period (s) | WNW 9 | W 8 | NW 9 | — | — | — | — | SW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 103 | 754 | 450 | — | — | — | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 344 | 539 | 2 | 2 | 0 | 0 | 25 | 63 | 10 | 0 | 200 | 0 | 0 | 2 | 2 | 10 | 10 | 2 | 2 | 2 | 0 |
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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