Surf Forecasts:
Port Blanc surf forecast from 5 Jun 2026:
- Most powerful swell: Saturday 6 Jun, 8PM (local time) - 11ft (3.5m), 13s period, WSW swell with 3,907 kJ wave energy.
Best Forecast Surf Conditions for Port Blanc this week:
The most powerful waves expected at Port Blanc in the next 16 days are 3.5m 12s and forecast to arrive on Saturday (Jun 06) at 8PM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8PM (Sat 6th Jun) | 11ft (3.5m) 13s |
Table - best surf conditions forecast for Port Blanc over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Mon afternoon. Very mild (max 16°C on Mon morning, min 14°C on Sat night). Winds decreasing (near gales from the SW on Fri night, light winds from the WNW by Sun night). | Days 5-7 Weather SummaryLight rain (total 4mm), mostly falling on Tue morning. Very mild (max 16°C on Thu afternoon, min 13°C on Wed morning). Winds decreasing (strong winds from the WNW on Mon night, light winds from the NNW by Wed morning). | ||||||||||||||||||||
Saturday 6 | Sunday 7 | Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Fri 12 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | W 12 | WSW 11 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | WNW 10 | W 10 | W 9 | W 9 | W 9 | W 8 | W 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 390 | 2397 | 3213 | 1835 | 916 | 634 | 565 | 783 | 776 | 577 | 505 | 470 | 424 | 300 | 402 | 183 | 132 | 188 | 181 | 140 | 88 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | on | on | on | cross-on | cross-on | on | cross-on | on | on | on | on | on | on | on | on | cross-on | on | on | cross-on | on |
High Tide | 8:45PM3.72m | 9:09AM3.40m | 9:30PM3.61m | 9:59AM3.31m | 10:23PM3.53m | 10:59AM3.27m | 11:23PM3.51m | 12:06PM3.32m | 00:31AM3.56m | 1:15PM3.47m | 1:38AM3.70m | 2:17PM3.70m | 2:42AM3.90m | 3:14PM3.96m | |||||||
Low Tide | 3:23AM1.04m | 3:35PM1.15m | 4:12AM1.11m | 4:26PM1.23m | 5:06AM1.13m | 5:24PM1.25m | 6:04AM1.08m | 6:26PM1.20m | 7:04AM0.97m | 7:28PM1.05m | 8:02AM0.80m | 8:28PM0.83m | 8:58AM0.61m | ||||||||
 |  | |  |  | |  |  | | | | |  | | | | |  | | | | |
 | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — |
 | 10:04 | — | — | 10:05 | — | — | 10:06 | — | — | 10:07 | — | — | 10:07 | — | — | 10:07 | — | — | 10:08 | — | 10:08 |
mm | 1 | — | — | — | — | — | — | — | 7 | — | 2 | — | 1 | — | — | — | — | 1 | 1 | — | — |
Temp °C | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 18 |
Feels °C | 10 | 7 | 6 | 8 | 12 | 13 | 13 | 11 | 7 | 7 | 9 | 10 | 10 | 11 | 10 | 10 | 10 | 10 | 11 | 9 | 10 |
Swell 1 Height (m) Direction Period (s) | W 12 | — | — | WSW 12 | WSW 11 | WSW 11 | W 11 | W 11 | W 11 | — | — | — | W 10 | W 10 | WNW 10 | W 10 | W 9 | WNW 9 | — | W 8 | W 8 |
| kJ | 390 | — | — | 1835 | 916 | 634 | 565 | 783 | 282 | — | — | — | 424 | 300 | 402 | 183 | 132 | 173 | — | 140 | 88 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 6 | WSW 11 | WSW 12 | — | — | — | — | W 11 | W 11 | W 11 | W 11 | W 10 | — | — | W 10 | — | — | W 9 | W 9 | — | — |
| kJ | 195 | 2397 | 3213 | — | — | — | — | 663 | 776 | 577 | 505 | 470 | — | — | 282 | — | — | 188 | 181 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 220 | 455 | 452 | 16 | 86 | 97 | 28 | 198 | 303 | 167 | 213 | 213 | 28 | 167 | 139 | 16 | 455 | 139 | 355 | 451 | 451 |
Best forecast wave conditions in Morbihan - Brittany | |||||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Port Blanc surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Port Blanc Surf forecast
The above surf forecast table for Port Blanc provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Port Blanc can be found by selecting the local surf guide option on the grey menu. Our Port Blanc 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 (Port Blanc) 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 Port Blanc 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.
Port Blanc is 31 km (19 miles) from Lorient. If you plan a holiday in Morbihan - Brittany, look for hotels and other accommodation in Lorient. Lorient has rooms for a wide range of budgets as well as car hire and transport links.
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