Surf Forecasts:
Porsmilin surf forecast from 28 Aug 2026:
- Best quality surf: Monday 31 Aug, 11PM (local time) - 6.5ft (2.0m), 10s period, WNW swell with glassy winds.
- Most powerful swell: Saturday 29 Aug, 8PM (local time) - 10ft (3.0m), 10s period, W swell with 1,928 kJ wave energy.
- Next surfable swell (1★+): Monday 31 Aug, 11PM (local time) - 6.5ft (2.0m), 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 Monday (Aug 31) at 11PM. The primary swell is predicted to be 2.0m and 10s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Porsmilin in the next 16 days are 3.0m 10s and forecast to arrive on Saturday (Aug 29) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 6s period and expected on Sunday (Aug 30) at 2PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Mon 31st Aug) | 6.5ft (2.0m) 10s |
| Best Surf | 11PM (Mon 31st Aug) | 6.5ft (2.0m) 10s |
| Most Powerful | 8PM (Sat 29th Aug) | 10ft (3.0m) 10s |
Table - best surf conditions forecast for Porsmilin over the next 16 days.
The Lowdown
G’day, it’s Rusty here, and I’ve been eyeballing the charts for Porsmilin and, gotta be honest, it’s a bit of a mixed bag for a while. The water temp is about average for the season, nothing weird.
First off, Friday the 28th of August through to Wednesday the 2nd of September – that’s six days of mostly poor surf. Friday kicks off with a tiny 3ft swell from the WNW (combined energy 163), but a cross-onshore breeze makes it a mess. Saturday the 29th gets bigger – 8ft from the SW in the morning, then 10ft in the afternoon from the WSW – but it’s blown out with strong cross-onshore winds. When it’s over 8ft, that’s expert territory, and with the chop, it looks more like a kite-surf day than a paddle session.
Sunday the 30th stays lumpy with 6ft to 7ft swell and onshore winds. Monday the 31st has a 10ft W swell in the morning (combined energy 1608 – strong energy) but still cross-onshore. A slight glimmer Monday afternoon with 7ft and a gentler cross-shore, but it’s only marginal.
Tuesday the 1st of September morning is the first real chance. Swell drops to 4ft from the WNW (combined energy 295), and it’s glassy. Clean, small, and perfect for intermediates. That’s your pick for the first week, but it doesn’t last – afternoon goes back to cross-shore chop.
Then there’s a big gap. From Wednesday the 2nd through to Friday the 4th, the surf is tiny or blown out – most days under 4ft and onshore winds. Nothing to ride.
Monday the 7th of September is where it gets interesting. Morning has a 6ft WNW swell with a light cross-offshore breeze and clean conditions (combined energy 278). That’s a solid, clean wave for intermediates. But the real standout is Monday afternoon: 8ft from the WNW (combined energy 950 – strong energy), a north-west offshore wind, and a 9-second period. Clean, powerful, and that’s the best session of the whole outlook. Over 8ft is for experts, so if you’re not comfortable, stick to the morning.
After that, the rest of the second week fades into onshore winds and smaller swell, so don’t count on much.
Porsmilin is a sandbar that’s fairly consistent, but you gotta pick your moment. The glassy morning on Tuesday the 1st is a fun, small-wave option, but the real score is Monday the 7th afternoon – clean, solid groundswell with offshore wind. Get on it.
Stay salty.
Rusty
Short Range ForecastLight rain (total 8mm), mostly falling on Sun night. Very mild (max 19°C on Fri afternoon, min 17°C on Fri morning). Winds increasing (light winds from the W on Fri morning, strong winds from the WSW by Sat afternoon). | Days 4-6 Weather SummaryMostly dry. Very mild (max 18°C on Mon morning, min 16°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | |||||||||||||||
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 | WSW 7 | SW 7 | SW 8 | W 9 | W 9 | W 9 | WSW 9 | W 9 | W 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 8 | WNW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 141 | 64 | 116 | 703 | 1726 | 1122 | 529 | 740 | 1210 | 1375 | 959 | 567 | 248 | 169 | 96 | 94 | 103 | 93 | 86 | 178 | 238 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross | cross | on | on | cross | cross | cross | cross | cross-on | on | cross-on | cross-on |
High Tide | 6:17PM5.82m | 6:35AM5.71m | 6:48PM6.00m | 7:06AM5.85m | 7:20PM6.06m | 7:38AM5.88m | 7:53PM5.99m | 8:13AM5.78m | 8:30PM5.79m | 8:50AM5.57m | 9:10PM5.46m | 9:32AM5.24m | 9:57PM5.03m | ||||||||
Low Tide | 12:19PM0.57m | 00:40AM0.33m | 12:51PM0.38m | 1:11AM0.19m | 1:23PM0.29m | 1:43AM0.18m | 1:56PM0.31m | 2:16AM0.29m | 2:31PM0.45m | 2:52AM0.52m | 3:10PM0.70m | 3:33AM0.86m | 3:57PM1.04m | 4:23AM1.27m | |||||||
 |  |  |  | |  |  | |  | | | | | | | | |  | | | | |
 | 7:28 | — | — | 7:31 | — | — | 7:31 | — | — | 7:33 | — | — | 7:35 | — | — | 7:35 | — | — | 7:37 | — | — |
 | — | — | 9:08 | — | — | 9:07 | — | — | 9:05 | — | — | 9:02 | — | — | 9:00 | — | 8:59 | — | — | 8:57 | — |
mm | — | — | 1 | 2 | — | — | — | 2 | 3 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 19 | 18 | 19 | 19 | 18 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 18 | 18 | 17 | 18 | 17 | 18 | 19 | 18 |
Feels °C | 16 | 16 | 16 | 14 | 12 | 14 | 15 | 14 | 14 | 15 | 15 | 16 | 15 | 16 | 16 | 17 | 17 | 16 | 16 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | WNW 8 | — | — | W 9 | W 9 | — | — | W 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 8 | WNW 8 |
| kJ | 141 | 64 | 103 | — | — | 1122 | 529 | — | — | 1375 | 959 | 567 | 248 | 169 | 96 | 94 | 103 | 93 | 86 | 178 | 238 |
Swell 2 Height (m) Direction Period (s) | SW 6 | S 11 | WSW 7 | — | — | SW 7 | — | — | — | — | — | — | SW 18 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 15 | SW 15 | WNW 15 |
| kJ | 19 | 2 | 42 | — | — | 160 | — | — | — | — | — | — | 12 | 11 | 10 | 10 | 9 | 8 | 8 | 8 | 148 |
Swell 3 Height (m) Direction Period (s) | S 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 10 | — | — | — | W 9 | SW 14 |
| kJ | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | 2 | 8 |
Wind waves Height (m) Direction Period (s) | — | WSW 7 | SW 7 | SW 8 | W 9 | — | SSW 7 | WSW 9 | W 9 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 50 | 116 | 703 | 1726 | — | 68 | 740 | 1210 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 36 | 63 | 36 | 531 | 457 | 10 | 36 | 253 | 531 | 359 | 2 | 2 | 13 | 36 | 2 | 2 | 2 | 36 | 63 | 63 | 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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