Surf Forecasts:
Porsmilin surf forecast from 10 Sep 2026:
- Best quality surf: Friday 11 Sep, 11AM (local time) - 5ft (1.5m), 10s period, W swell with cross-offshore winds.
- Most powerful swell: Wednesday 16 Sep, 5PM (local time) - 8ft (2.4m), 11s period, WNW swell with 1,338 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 11AM (local time) - 5ft (1.5m), 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 11AM. The primary swell is predicted to be 1.5m 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 2.4m 11s and forecast to arrive on Wednesday (Sep 16) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 5s period and expected on Thursday (Sep 17) at 11AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Fri 11th Sep) | 5ft (1.5m) 10s |
| Best Surf | 11AM (Fri 11th Sep) | 5ft (1.5m) 10s |
| Most Powerful | 5PM (Wed 16th Sep) | 8ft (2.4m) 11s |
Table - best surf conditions forecast for Porsmilin over the next 16 days.
The Lowdown
Alright folks, Rusty here with the outlook for our little corner of the coast. We’ve got a mixed bag of a forecast coming up, with a few bright spots if you’re patient.
The next couple of days are a write-off, honestly. Thursday is looking flat and messy with that 9 mph to 12 mph SSW to SW wind raking it. Nothing to get excited about.
There’s a bit of life heading our way on Friday morning, the 11th. We’ll see a clean 5 ft swell from the west, and with a light 3 mph NNW breeze coming cross-off, it’s shaping up to be the best session of the first week. The combined energy hits a moderate 400, and it’s far and away the standout. The wave period’s a respectable 10 seconds, so it’ll have some push. After that, it gets ordinary again through the weekend and into early next week with the wind turning onshore and the swell dropping off or going lumpy.
The second week has two other windows worth noting. On Wednesday the 16th, we’re looking at a big jump in size – 8 ft sets from the WNW with a 9-second period. The wind is howling out of the NNW at 19 mph, but it’s cross-off, which will keep it clean. This is expert territory only though; that size and power (combined energy of 1082) is no joke. The real gem, however, is the morning of Thursday the 17th. The swell drops back to a very manageable 5 ft from the WNW, the period stretches to 10 seconds, and the wind goes glassy out of the NNW at just 3 mph. Clean conditions, good energy (402). That’s your real pick for the second week if you can get out.
Later on, the morning of Sunday the 20th also looks clean with a 4 ft groundswell (12-second period) and NNW cross-off winds at 9 mph. It’s a solid, clean option.
Water temp is sitting around 63°, right where it should be for this time of year, so no surprises there.
This is a spot that can be a bit of a tease—it’s fairly consistent but often suffers from the cross-on breeze. When it does line up with that offshore or cross-off wind like on the 11th and 17th, it’s a beauty of a sandbar wave. Just keep an eye on the crowds, because Porsmilin can get a few heads out when it’s clean.
Stay frothy, and I’ll catch you in the lineup.
Rusty
Short Range ForecastMostly dry. Very mild (max 19°C on Fri morning, min 16°C on Thu morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Tue night. Warm (max 20°C on Mon afternoon, min 16°C on Tue night). Winds increasing (calm on Sun night, fresh winds from the NW by Tue night). | ||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||
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) | WNW 9 | WNW 8 | W 10 | W 10 | W 9 | W 8 | W 8 | WNW 10 | WNW 12 | WNW 11 | WNW 11 | W 10 | W 9 | W 9 | W 8 | WNW 11 | WNW 6 | WNW 8 | WNW 9 | WNW 11 | WNW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 99 | 112 | 627 | 400 | 258 | 157 | 137 | 300 | 833 | 737 | 575 | 226 | 130 | 126 | 68 | 70 | 246 | 569 | 969 | 1338 | 938 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross-on | cross | glassy | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 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 | 8:41AM5.30m | 8:59PM5.03m | ||||||||
Low Tide | 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 | 3:04PM0.97m | 3:20AM1.24m | |||||||
 | |  | |  |  | | | | |  | | | | | | |  |  | | | |
 | 7:47 | — | — | 7:48 | — | — | 7:50 | — | — | 7:50 | — | — | 7:52 | — | — | 7:54 | — | — | 7:56 | — | — |
 | — | 8:43 | — | — | 8:40 | — | — | 8:37 | — | — | 8:36 | — | — | 8:34 | — | — | 8:31 | — | — | 8:30 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | — | — |
Temp °C | 17 | 17 | 17 | 19 | 19 | 19 | 17 | 18 | 18 | 19 | 19 | 19 | 19 | 20 | 20 | 19 | 18 | 17 | 16 | 16 | 16 |
Feels °C | 15 | 13 | 14 | 19 | 18 | 18 | 17 | 17 | 17 | 18 | 18 | 20 | 21 | 21 | 22 | 19 | 15 | 13 | 11 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 8 | W 10 | W 10 | W 9 | W 8 | W 8 | WNW 10 | WNW 12 | WNW 11 | WNW 11 | W 10 | W 9 | W 9 | W 8 | WNW 11 | WNW 10 | WNW 8 | WNW 9 | WNW 11 | WNW 11 |
| kJ | 99 | 112 | 627 | 400 | 258 | 157 | 137 | 300 | 833 | 737 | 575 | 226 | 130 | 126 | 68 | 70 | 158 | 569 | 969 | 1338 | 938 |
Swell 2 Height (m) Direction Period (s) | WSW 8 | WSW 8 | — | — | — | — | WNW 10 | WNW 13 | — | S 13 | — | NW 11 | NW 10 | WNW 10 | NW 9 | W 8 | — | — | WNW 13 | — | — |
| kJ | 44 | 19 | — | — | — | — | 41 | 120 | — | 3 | — | 169 | 102 | 64 | 20 | 47 | — | — | 113 | — | — |
Swell 3 Height (m) Direction Period (s) | W 12 | W 11 | — | — | — | — | WNW 16 | — | — | — | — | — | S 12 | — | WNW 12 | SSW 4 | — | — | — | — | — |
| kJ | 11 | 9 | — | — | — | — | 24 | — | — | — | — | — | 3 | — | 15 | 5 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | WSW 8 | — | — | — | — | — | — | — | — | — | — | — | SSE 2 | SSE 3 | — | WNW 6 | — | — | — | — |
| kJ | — | 44 | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — | 246 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 25 | 63 | 36 | 0 | 0 | 0 | 25 | 2 | 2 | 2 | 2 | 0 | 4 | 2 | 13 | 2 | 216 | 121 | 120 | 20 | |
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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