Surf Forecasts:
Porsmilin surf forecast from 23 Aug 2026:
- Most powerful swell: Friday 28 Aug, 8AM (local time) - 13ft (4.0m), 10s period, WSW swell with 3,338 kJ wave energy.
Best Forecast Surf Conditions for Porsmilin this week:
The most powerful waves expected at Porsmilin in the next 16 days are 4.0m 10s and forecast to arrive on Friday (Aug 28) at 8AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Sunday (Aug 23) at 8PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8AM (Fri 28th Aug) | 13ft (4.0m) 10s |
Table - best surf conditions forecast for Porsmilin over the next 16 days.
The Lowdown
Right, let’s be honest from the start – it’s gonna be a lean run here at Porsmilin for a good while. The entire 16-day window is basically one long dry spell for decent waves. We’re looking at a proper gap in the action. The first real whisper of anything comes on September 3rd, and even then it’s nothing to write home about.
For the first week and a half, it’s all small, wind-affected slop. Sunday the 23rd and Monday the 24th offer tiny 1ft to 2ft SW and SE swells with moderate cross-offshore breezes, so the surface might be clean, but there’s no push. The combined energy is weak, between 26 and 80 (weak). Tuesday the 25th sees a jump to 2ft from the WNW, but it’s blown out with onshore wind. The energy climbs to 124 (moderate), but the quality is rubbish. The whole run through to the end of August is plagued by poor conditions – onshore winds, lumpy cross-onshore chop, and messy surf. On the 27th, a 7ft SW swell rolls in with strong energy (782 to 1246), but it’s accompanied by stormy winds and onshore conditions – not for the faint-hearted, and really only for experts if you’re desperate. By the 28th, it gets wild – a 10ft WSW swell with a combined energy of 3992 (very strong) but with a fresh cross-onshore wind at 22 mph creating lumpy, messy conditions. That setup is honestly more interesting for kite surfing than paddle surfing.
We finally get a tiny window on Thursday, September 3rd. The morning shows a 3ft NW groundswell (9-second period) with glassy conditions and a light WSW breeze. The combined energy is 154 (moderate). For the first time, the report says “surfable waves but very ordinary conditions” – and that’s the best we get. It’s the only standout, and it’s barely a standout. This break is a sandbar that’s fairly consistent, but in this stretch, it’s just not happening. The afternoon on the 3rd turns cross-onshore, ruining it. After that, it’s back to lumpy, onshore wind and building swell again, with no quality.
So, the only chance to wet a line is the morning of September 3rd. It’s not much, but it’s all we’ve got. The water is sitting around 64°F, which is about average for the time of year. For everything else, you’re better off waiting for the next proper swell.
Rusty
Short Range ForecastMostly dry. Warm (max 23°C on Sun afternoon, min 17°C on Sun morning). Winds decreasing (fresh winds from the NE on Sun night, light winds from the NNE by Mon night). | Days 4-6 Weather SummaryHeavy rain (total 39mm), heaviest during Thu night. Warm (max 20°C on Wed night, min 16°C on Thu night). Winds increasing (light winds from the S on Wed morning, strong winds from the W by Fri morning). | ||||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | |||||||||||||||
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) | SW 14 | WSW 11 | WSW 10 | SW 9 | SE 6 | SW 8 | WNW 11 | WNW 10 | WNW 10 | SSW 6 | SSW 6 | SW 8 | SW 9 | SW 9 | SSW 8 | WSW 10 | W 9 | WNW 9 | WNW 9 | W 8 | WNW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 30 | 74 | 38 | 13 | 19 | 25 | 78 | 88 | 72 | 69 | 125 | 403 | 749 | 655 | 746 | 2088 | 700 | 1424 | 839 | 496 | 247 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | cross-on | on | on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross | cross-on | cross-on |
High Tide | 2:58PM4.05m | 3:35AM4.08m | 3:57PM4.40m | 4:22AM4.44m | 4:39PM4.80m | 5:00AM4.82m | 5:14PM5.19m | 5:33AM5.17m | 5:46PM5.54m | 6:04AM5.47m | 6:17PM5.82m | 6:35AM5.71m | 6:48PM6.00m | ||||||||
Low Tide | 8:33AM2.23m | 9:21PM2.03m | 9:46AM1.94m | 10:19PM1.66m | 10:35AM1.56m | 11:01PM1.27m | 11:13AM1.18m | 11:36PM0.89m | 11:47AM0.84m | 00:08AM0.57m | 12:19PM0.57m | 00:40AM0.33m | 12:51PM0.38m | 1:11AM0.19m | |||||||
 |  |  |  | |  | | | | |  |  |  | | | | |  | | |  | |
 | 7:22 | — | — | 7:24 | — | — | 7:24 | — | — | 7:26 | — | — | 7:28 | — | — | 7:28 | — | — | 7:31 | — | — |
 | — | — | 9:19 | — | — | 9:16 | — | — | 9:15 | — | — | 9:13 | — | — | 9:10 | — | — | 9:08 | — | — | 9:07 |
mm | — | — | — | — | — | — | — | — | — | — | 5 | 4 | 4 | 7 | 15 | 1 | 1 | 2 | — | — | — |
Temp °C | 19 | 23 | 21 | 20 | 20 | 21 | 19 | 19 | 19 | 19 | 19 | 20 | 18 | 18 | 18 | 17 | 18 | 18 | 18 | 18 | 17 |
Feels °C | 14 | 17 | 14 | 14 | 16 | 20 | 18 | 17 | 18 | 17 | 14 | 17 | 12 | 13 | 14 | 9 | 12 | 13 | 12 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | NW 6 | WSW 11 | WSW 10 | SE 6 | NNE 8 | N 8 | SW 8 | WNW 10 | WNW 10 | WNW 9 | W 8 | WNW 8 | WNW 8 | SW 9 | W 9 | WSW 10 | SSW 8 | SSW 7 | WNW 9 | — | WNW 8 |
| kJ | 7 | 74 | 38 | 13 | 50 | 50 | 44 | 88 | 72 | 61 | 34 | 20 | 20 | 655 | 160 | 2088 | 236 | 43 | 839 | — | 247 |
Swell 2 Height (m) Direction Period (s) | W 9 | SE 6 | SSE 6 | SW 9 | SE 6 | SW 8 | WNW 11 | SW 8 | SW 8 | SW 12 | SW 12 | WNW 8 | WNW 12 | WNW 11 | WNW 10 | — | — | — | — | — | SW 6 |
| kJ | 13 | 6 | 4 | 13 | 19 | 25 | 78 | 32 | 20 | 6 | 6 | 12 | 13 | 49 | 118 | — | — | — | — | — | 66 |
Swell 3 Height (m) Direction Period (s) | SW 14 | NNW 5 | SW 13 | NNE 7 | SW 9 | SE 6 | N 8 | NNE 7 | N 5 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 30 | 2 | 7 | 5 | 12 | 9 | 29 | 15 | 2 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 3 | NE 5 | NE 4 | ENE 4 | — | NNW 5 | S 5 | SSW 3 | SW 4 | SSW 6 | SSW 6 | SW 8 | SW 9 | SW 9 | SSW 8 | WSW 10 | W 9 | WNW 9 | — | W 8 | — |
| kJ | 4 | 18 | 18 | 8 | — | 2 | 2 | 4 | 5 | 69 | 125 | 403 | 749 | 542 | 746 | 1904 | 700 | 1424 | — | 496 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 19 | 4 | 206 | 201 | 544 | 21 | 25 | 36 | 13 | 141 | 25 | 272 | 218 | 36 | 232 | 214 | 186 | 186 | 285 | 549 | 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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