Surf Forecasts:
Cassis - Plage de l'Arène surf forecast from 15 Aug 2026:
- Most powerful swell: Monday 17 Aug, 8PM (local time) - 5ft (1.6m), 6s period, W swell with 194 kJ wave energy.
Best Forecast Surf Conditions for Cassis - Plage de l'Arène this week:
The most powerful waves expected at Cassis - Plage de l'Arène in the next 16 days are 1.6m 6s and forecast to arrive on Monday (Aug 17) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Friday (Aug 21) at 2PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8PM (Mon 17th Aug) | 5ft (1.6m) 6s |
Table - best surf conditions forecast for Cassis - Plage de l'Arène over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a proper look at what’s coming up.
Honestly, I’m looking at a long, flat stretch ahead. There’s nothing worth paddling out for until Monday the 24th of August, so you’re looking at over a week of small, unrideable junk. The swell just doesn’t have the goods, and when there is a little bump, the wind is usually in the wrong direction. The only real chance for a wave comes right at the tail end of the window.
The one spot we’ve got to watch is Cassis - Plage de l'Arène (L-Arene) . It’s a reef break, inconsistent, and it can get busy sometimes. On Monday morning the 24th of August, there’s finally some life. You’re looking at a 6 ft swell out of the WNW, and the real kicker is the NNW offshore wind at 6 mph. That’s clean, clean conditions. The combined energy reading is 245, so there’s proper moderate power in the water. The period is 6 seconds, so it’s a short-period wind swell, not a groundswell, but with that glassy morning, it should be fun enough on the reef. The water’s running about 8°F warmer than usual for this time of year, so it’s much warmer than normal and you won’t need a thick suit.
That Monday morning is the clear standout. After that, it goes messy again with strong cross-shore winds and lumpy conditions. Tuesday the 25th has similar sized swell around 5 ft to 6 ft, but the NW wind is cross and blowing 19 to 22 mph – that’s junk, not surf. By Wednesday the 26th, the wind is up to 31 mph cross-shore, which is more kite-surfing territory than paddling. The swell fades to nothing by Thursday.
So, to sum it up: you’ve got a long wait. If you’re desperate, mark your calendar for Monday morning the 24th of August. That’s your best, and pretty much only, shot.
Rusty.
Short Range ForecastMostly dry. Warm (max 34°C on Mon night, min 26°C on Sat night). Winds increasing (calm on Sat night, strong winds from the NW by Mon night). | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Fri morning. Warm (max 32°C on Tue afternoon, min 26°C on Fri morning). Wind will be generally light. | |||||||||||||||||||
Sat 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | ||||||||||||||
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) | WSW 3 | — | — | — | WSW 4 | W 4 | W 5 | WNW 5 | WNW 6 | W 6 | W 5 | W 4 | WSW 5 | SW 4 | SW 4 | SW 4 | S 4 | SW 6 | SSW 5 | SSE 5 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1 | 0 | 0 | 0 | 5 | 26 | 61 | 125 | 154 | 74 | 15 | 25 | 9 | 12 | 12 | 4 | 6 | 7 | 3 | 21 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-off | glassy | on | on | cross | cross-on | cross | cross-off | on | cross | cross-off | cross-on | glassy | cross-on | cross-on | glassy | cross | cross-on | cross |
High Tide | 11:43PM0.27m | 11:47AM0.18m | 00:15AM0.24m | 12:33PM0.18m | 00:45AM0.21m | 1:24PM0.18m | 1:15AM0.19m | 2:27PM0.17m | 1:48AM0.16m | 3:54PM0.17m | 2:37AM0.15m | 5:37PM0.18m | ||||||||
Low Tide | 5:00PM0.01m | 6:10AM0.05m | 5:41PM0.03m | 6:42AM0.05m | 6:23PM0.06m | 7:14AM0.06m | 7:11PM0.09m | 7:50AM0.07m | 8:18PM0.11m | 8:36AM0.07m | 10:02PM0.13m | 9:45AM0.08m | 00:25AM0.12m | |||||||
 |  | | | | | | | | | | | |  |  | | |  | | | |
 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — | 6:48 | — | — | 6:48 | — | — |
 | 8:40 | — | — | 8:39 | — | — | 8:37 | — | — | 8:36 | — | — | 8:35 | — | — | 8:32 | — | — | 8:31 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — |
Temp °C | 31 | 29 | 28 | 29 | 27 | 28 | 33 | 34 | 30 | 32 | 32 | 31 | 31 | 29 | 29 | 29 | 28 | 26 | 28 | 29 |
Feels °C | 33 | 32 | 30 | 29 | 28 | 25 | 28 | 29 | 28 | 31 | 32 | 28 | 28 | 30 | 31 | 32 | 32 | 27 | 26 | 28 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | WSW 4 | — | — | — | N 7 | E 5 | W 5 | W 4 | — | SW 4 | SW 4 | SW 4 | S 4 | SW 6 | SSW 5 | SSE 5 |
| kJ | — | — | — | — | 5 | — | — | — | 1 | 1 | 15 | 12 | — | 12 | 12 | 4 | 6 | 5 | 3 | 21 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | E 5 | — | SW 5 | — | — | — | — | SW 6 | — | — | SW 6 |
| kJ | — | — | — | — | — | — | — | — | — | 1 | — | 1 | — | — | — | — | 1 | — | — | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 5 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 3 | — | — | — | WSW 4 | W 4 | W 5 | WNW 5 | WNW 6 | W 6 | — | W 4 | WSW 5 | — | — | SSE 2 | — | SSE 4 | SE 4 | NW 3 |
| kJ | 1 | — | — | — | 4 | 26 | 61 | 125 | 154 | 74 | — | 25 | 9 | — | — | 1 | — | 7 | 19 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 670 | 574 | 608 | 667 | 142 | 621 | 777 | 85 | 32 | 374 | 274 | 381 | 670 | 743 | 327 | 654 | 639 | 368 | 591 | 380 |
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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