Surf Forecasts:
Mers-les-Bains surf forecast from 17 Sep 2026:
- Most powerful swell: Saturday 19 Sep, 11PM (local time) - 4.5ft (1.3m), 7s period, W swell with 144 kJ wave energy.
Best Forecast Surf Conditions for Mers-les-Bains this week:
The most powerful waves expected at Mers-les-Bains in the next 16 days are 1.3m 7s and forecast to arrive on Saturday (Sep 19) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Wednesday (Sep 23) at 8AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 11PM (Sat 19th Sep) | 4.5ft (1.3m) 7s |
Table - best surf conditions forecast for Mers-les-Bains over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 19°C on Sat afternoon, min 14°C on Fri night). Mainly fresh winds. | Days 5-7 Weather SummaryMostly dry. Warm (max 20°C on Tue afternoon, min 13°C on Wed morning). Wind will be generally light. | ||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||
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 6 | WNW 6 | W 5 | W 6 | WSW 6 | W 6 | W 6 | W 6 | W 6 | W 5 | W 4 | W 7 | W 7 | W 6 | W 6 | W 11 | W 11 | W 16 | W 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 86 | 46 | 52 | 102 | 112 | 128 | 140 | 74 | 24 | 8 | 3 | 3 | 4 | 3 | 1 | 2 | 2 | 5 | 7 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross | cross-on | cross | on | on | cross-on | cross-on | on | glassy | cross-on | cross-on | cross-off | cross-off | cross | cross-off |
High Tide | 4:43AM7.17m | 5:03PM6.91m | 5:29AM6.48m | 5:56PM6.27m | 6:37AM5.90m | 7:25PM5.84m | 8:28AM5.73m | 9:10PM5.95m | 9:51AM6.09m | 10:15PM6.44m | 10:43AM6.68m | 11:00PM7.07m | |||||||
Low Tide | 11:14PM1.83m | 11:32AM2.19m | 11:56PM2.40m | 12:18PM2.74m | 00:50AM2.88m | 1:22PM3.15m | 2:08AM3.15m | 2:52PM3.25m | 3:45AM2.98m | 4:24PM2.89m | 4:59AM2.42m | 5:24PM2.27m | |||||||
 | | |  | | | | | | |  | |  | | | | | | | |
 | — | 7:33 | — | — | 7:35 | — | — | 7:35 | — | — | 7:37 | — | — | 7:39 | — | — | 7:41 | — | — |
 | 8:05 | — | 8:01 | — | — | 8:00 | — | — | 7:58 | — | — | 7:55 | — | — | 7:53 | — | — | 7:51 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 18 | 17 | 16 | 19 | 19 | 17 | 17 | 17 | 15 | 16 | 17 | 18 | 20 | 19 | 15 | 20 | 20 |
Feels °C | 12 | 14 | 13 | 13 | 12 | 15 | 17 | 15 | 14 | 16 | 13 | 13 | 16 | 17 | 18 | 17 | 12 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 6 | W 5 | W 11 | W 7 | W 7 | W 6 | W 6 | N 3 | W 11 | W 11 | W 10 |
| kJ | — | — | — | — | — | — | — | — | 24 | 8 | 2 | 3 | 4 | 3 | 1 | 2 | 2 | 2 | 7 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 11 | — | — | — | N 5 | — | W 6 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 2 | — | — | — | 1 | — | 1 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | W 11 | — | — | — | W 11 | — | W 16 | W 14 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | 2 | — | 5 | 4 |
Wind waves Height (m) Direction Period (s) | WNW 6 | WNW 6 | W 5 | W 6 | WSW 6 | W 6 | W 6 | W 6 | — | — | W 4 | W 3 | — | — | — | — | — | — | — |
| kJ | 86 | 46 | 52 | 102 | 112 | 128 | 140 | 74 | — | — | 3 | 1 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 396 | 395 | 464 | 395 | 395 | 462 | 86 | 188 | 211 | 216 | 237 | 258 | 237 | 274 | 237 | 237 | 237 | 237 | 214 |
Best forecast wave conditions in Nord - Pas de Calais | |||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||
Header Global | |||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Mers-les-Bains 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 Mers-les-Bains Surf forecast
The above surf forecast table for Mers-les-Bains provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mers-les-Bains can be found by selecting the local surf guide option on the grey menu. Our Mers-les-Bains 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 (Mers-les-Bains) 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 Mers-les-Bains 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.
Are you planning a holiday in Nord - Pas de Calais? If you are looking for accommodation near Mers-les-Bains, camping, hotels and holiday cottages in Nord - Pas de Calais, consider staying in Le Treport which is 1 km (1 miles) away. Other places in and around Nord - Pas de Calais where you can find information about places to rent, and car hire include Saint Valery sur Somme which is 23 km (14 miles) away, Dieppe, Abbeville and Berck-Plage.
Nearest