Surf Forecasts:
Cassis - Plage de l'Arène surf forecast from 12 Sep 2026:
- Best quality surf: Friday 18 Sep, 5AM (local time) - 3ft (0.9m), 5s period, WNW swell with cross-offshore winds.
- Most powerful swell: Thursday 17 Sep, 2PM (local time) - 5.5ft (1.7m), 6s period, WNW swell with 193 kJ wave energy.
- Next surfable swell (1★+): Friday 18 Sep, 5AM (local time) - 3ft (0.9m), 5s period with WNW swell.
Best Forecast Surf Conditions for Cassis - Plage de l'Arène this week:
The surf forecast for Cassis - Plage de l'Arène over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 18) at 5AM. The primary swell is predicted to be 0.9m and 5s period with a secondary swell of 0.5m and 5s. Another secondary swell of 0.4m and 5s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Cassis - Plage de l'Arène in the next 16 days are 1.7m 6s and forecast to arrive on Thursday (Sep 17) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 4s period and expected on Friday (Sep 18) at 8PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Fri 18th Sep) | 3ft (0.9m) 5s |
| Best Surf | 5AM (Fri 18th Sep) | 3ft (0.9m) 5s |
| Most Powerful | 2PM (Thu 17th Sep) | 5.5ft (1.7m) 6s |
Table - best surf conditions forecast for Cassis - Plage de l'Arène over the next 16 days.
The Lowdown
Alright, this is Rusty, and I’m lookin’ at the outlook for Cassis – Plage de l’Arène. Gotta be straight with you – it’s a tough stretch ahead.
For the full 16 days, the surf is almost non-existent. We’re talkin’ a long, painful gap right from the start. There’s no proper swell to speak of for the first several days. The water is sittin’ at a very warm 77° right now, which is a whopping 6° warmer than normal for this time of year – that’s super unusual, feels more like a bath than the Med.
The only real pulse of energy shows up on Thursday the 17th. The morning session is your one true standout. The swell bumps up to 5ft from the WNW with a period of 6 seconds, givin’ us a combined energy of 160 – moderate, but it’s somethin’. The real kicker is the offshore wind from the NNW at 12 mph, keepin’ things clean. This is an inconsistent reef break that rarely fires, so seein’ it light up is a special thing. However, at 5ft, this is gettin’ into the territory where it might be too much for beginners. By the afternoon, the wind swings onshore and chops it up, so get on it early.
After that, it’s back to flat. There are some tiny, weak pulses of swell in the second week, but nothin’ worth paddlin’ out for. That one mornin’ on the 17th is the only chance for a wave worth talkin’ about.
– Rusty
Short Range ForecastMostly dry. Warm (max 25°C on Sat afternoon, min 21°C on Sat morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Wed afternoon, min 20°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | |||||||||||||||
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) | W 5 | WNW 4 | W 4 | WNW 3 | WNW 4 | W 3 | W 4 | WNW 4 | — | — | — | — | — | W 5 | WNW 6 | WNW 6 | WNW 6 | NW 5 | WNW 5 | W 5 | W 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 7 | 3 | 1 | 2 | 1 | 4 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 18 | 126 | 160 | 193 | 25 | 51 | 15 | 7 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | glassy | cross-off | on | glassy | off | on | glassy | glassy | on | cross | cross-on | cross-on | cross | cross-off | cross-on | cross-off | cross-off | cross-on | glassy |
High Tide | 10:05AM0.21m | 10:29PM0.26m | 10:43AM0.21m | 10:58PM0.24m | 11:21AM0.21m | 11:26PM0.21m | 12:01PM0.21m | 11:52PM0.19m | 12:45PM0.20m | 00:18AM0.17m | 1:39PM0.19m | 00:48AM0.15m | 2:59PM0.18m | 1:27AM0.13m | |||||||
Low Tide | 4:02PM0.02m | 4:48AM0.03m | 4:42PM0.03m | 5:15AM0.04m | 5:22PM0.05m | 5:41AM0.04m | 6:04PM0.07m | 6:08AM0.05m | 6:52PM0.10m | 6:38AM0.06m | 7:55PM0.11m | 7:19AM0.07m | 10:00PM0.13m | ||||||||
 | |  | | | | | | | | | | | | | | | | |  | | |
 | 7:13 | — | — | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:16 | — | — | 7:18 | — | — | 7:18 | — | — |
 | — | 7:53 | — | — | 7:52 | — | — | 7:50 | — | — | 7:49 | — | — | 7:46 | — | — | 7:45 | — | — | 7:43 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 25 | 24 | 24 | 25 | 24 | 24 | 25 | 25 | 25 | 26 | 24 | 23 | 27 | 27 | 22 | 26 | 25 | 24 | 26 | 26 |
Feels °C | 24 | 23 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 26 | 25 | 24 | 24 | 24 | 19 | 23 | 19 | 22 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | W 5 | — | — | W 3 | W 3 | — | W 4 | WNW 4 | — | — | — | — | — | — | — | — | — | W 5 | WNW 6 | W 5 | W 4 |
| kJ | 7 | — | — | 1 | 1 | — | 7 | 1 | — | — | — | — | — | — | — | — | — | 15 | 25 | 15 | 7 |
Swell 2 Height (m) Direction Period (s) | NW 4 | SW 4 | — | — | — | — | — | WSW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 1 | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 3 | WNW 4 | W 4 | WNW 3 | WNW 4 | W 3 | — | — | — | — | — | — | — | W 5 | WNW 6 | WNW 6 | WNW 6 | NW 5 | WNW 5 | — | W 4 |
| kJ | 1 | 3 | 1 | 2 | 1 | 4 | — | — | — | — | — | — | — | 18 | 126 | 160 | 193 | 25 | 51 | — | 7 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 357 | 777 | 562 | 562 | 667 | 562 | 562 | 591 | 562 | 587 | 949 | 857 | 575 | 727 | 567 | 12 | 17 | 8 | 0 | 591 | 305 |
Best forecast wave conditions in Cote d'Azur | |||||||||||||||||||||
Best forecast wave conditions in France | |||||||||||||||||||||
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Information about the Cassis - Plage de l'Arène Surf forecast
The above surf forecast table for Cassis - Plage de l'Arène provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cassis - Plage de l'Arène can be found by selecting the local surf guide option on the grey menu. Our Cassis - Plage de l'Arène 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 (Cassis - Plage de l'Arène) 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 Cassis - Plage de l'Arène 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.
Cassis - Plage de l'Arène is 5 km (3 miles) from La Ciotat. If you plan a holiday in Cote d'Azur, look for hotels and other accommodation in La Ciotat. La Ciotat has rooms for a wide range of budgets as well as car hire and transport links.
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