Surf Forecasts:
Cassis - Plage de l'Arène surf forecast from 5 Sep 2026:
- Best quality surf: Friday 11 Sep, 2AM (local time) - 6ft (1.8m), 7s period, WNW swell with cross-offshore winds.
- Most powerful swell: Friday 11 Sep, 2AM (local time) - 6ft (1.8m), 7s period, WNW swell with 306 kJ wave energy.
- Next surfable swell (1★+): Thursday 10 Sep, 11PM (local time) - 4ft (1.2m), 7s period with W 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 Thursday (Sep 10) at 11PM. The primary swell is predicted to be 1.2m and 7s period. 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 1.8m 7s and forecast to arrive on Friday (Sep 11) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 5s period and expected on Thursday (Sep 10) at 11PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Thu 10th Sep) | 4ft (1.2m) 7s |
| Best Surf | 2AM (Fri 11th Sep) | 6ft (1.8m) 7s |
| Most Powerful | 2AM (Fri 11th Sep) | 6ft (1.8m) 7s |
Table - best surf conditions forecast for Cassis - Plage de l'Arène over the next 16 days.
The Lowdown
Alright, this is Rusty, checkin' in from the coast. It's been a bit of a quiet spell, but I've got the skinny on the next couple of weeks.
We're looking at a long, slow start here. The next few days are going to be pretty flat with hardly any energy. The first real sign of life doesn't show up until the morning of Tuesday, the 10th of September. Even then, it's a bit of a mixed bag at the standout spot.
The main event for the whole forecast period is a pulse of swell arriving on the morning of Thursday, the 10th of September. The famous Cassis - Plage de l'Arène is the one to watch. It's a reef break and it's inconsistent, so it needs the right push, but when it gets it, it's a gem. The water temperature is about average for the time of year. That morning we’re looking at a 6 ft swell from the WNW, and the wind is coming from the NW at 12 mph, putting it in a cross-off position. That's *clean* surf, my friends. The energy is up there, with a combined swell energy of 377 (moderate), so there's some grunt in the water. The period is a short 6 seconds, so it'll be a bit walled up, but for this spot, that's a solid window.
Friday the 11th is the next best call. The morning session has a 4 ft swell from the WNW, but with a light offshore at 6 mph from the NE. That makes for a clean face. The energy is a bit lower at 103 (weak), but still surfable. It's a worthwhile option if you missed the Thursday morning window.
After that, it's a long, slow decline. The rest of the period is mostly flat with only tiny, weak pulses. There's a bit of a pulse on the 17th and 20th, but it's small and messy. The 20th of September has a clean 3 ft swell from the SSE with an offshore wind, but it's a drop in the bucket compared to the action earlier in the fortnight.
So, to sum it up: the best of the best is that Thursday morning, the 10th of September. Be there for the sunrise. The Friday morning is a decent backup. The rest is a waiting game.
Rusty, signing off.
Short Range ForecastMostly dry. Warm (max 34°C on Sat night, min 25°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 8mm), mostly falling on Fri morning. Warm (max 27°C on Wed morning, min 20°C on Fri morning). Wind will be generally light. | ||||||||||||||||||
Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | ||||||||||||||
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 4 | WSW 4 | SW 4 | SW 4 | ESE 4 | — | — | — | — | S 3 | SW 5 | W 5 | WNW 5 | WNW 6 | WNW 6 | WNW 7 | WNW 6 | WNW 6 | W 4 |
Wave Graph  | |||||||||||||||||||
 kJ | 25 | 6 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 21 | 32 | 87 | 207 | 195 | 306 | 103 | 103 | 8 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | cross-on | glassy | glassy | on | cross-on | glassy | cross-on | cross-off | glassy | cross-on | cross | cross-off | cross-on | cross-off | off | cross-on | cross-on |
High Tide | 4:38AM0.14m | 6:28PM0.23m | 6:10AM0.15m | 7:25PM0.25m | 7:13AM0.16m | 8:10PM0.27m | 8:02AM0.17m | 8:49PM0.28m | 8:45AM0.19m | 9:25PM0.28m | 9:26AM0.20m | 9:58PM0.27m | |||||||
Low Tide | 11:59PM0.11m | 11:01AM0.05m | 1:15AM0.09m | 12:14PM0.04m | 2:04AM0.07m | 1:10PM0.02m | 2:44AM0.06m | 1:58PM0.01m | 3:19AM0.05m | 2:42PM0.00m | 3:51AM0.04m | 3:23PM0.01m | 4:20AM0.03m | ||||||
 | | |  | | | | | |  |  |  | | |  | | | | | |
 | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — |
 | 8:06 | — | 8:05 | — | — | 8:02 | — | — | 8:00 | — | — | 7:59 | — | — | 7:58 | — | — | 7:55 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | — | 3 | 3 | — |
Temp °C | 34 | 28 | 28 | 26 | 28 | 29 | 27 | 27 | 27 | 26 | 27 | 27 | 24 | 23 | 26 | 23 | 23 | 25 | 24 |
Feels °C | 29 | 29 | 30 | 28 | 30 | 30 | 29 | 28 | 28 | 28 | 30 | 27 | 22 | 22 | 23 | 21 | 24 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | W 4 | WSW 4 | SW 4 | ESE 4 | ESE 4 | — | — | — | — | — | SW 5 | W 5 | — | WNW 6 | — | WNW 6 | E 4 | WNW 6 | W 4 |
| kJ | 25 | 6 | 3 | 2 | 1 | — | — | — | — | — | 21 | 32 | — | 170 | — | 153 | 2 | 35 | 8 |
Swell 2 Height (m) Direction Period (s) | — | NNW 4 | — | SW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | W 7 | E 5 |
| kJ | — | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 5 | SE 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | ESE 4 | — | — | — | — | — | — | S 3 | — | — | WNW 5 | WNW 6 | WNW 6 | WNW 7 | WNW 6 | WNW 6 | — |
| kJ | — | — | 3 | — | — | — | — | — | — | 1 | — | — | 87 | 207 | 195 | 306 | 103 | 103 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 562 | 563 | 591 | 591 | 586 | 631 | 562 | 586 | 586 | 587 | 645 | 340 | 283 | 8 | 58 | 0 | 0 | 8 | 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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