Surf Forecasts:
Cassis - Plage de l'Arène surf forecast from 13 Aug 2026:
- Best quality surf: Tuesday 18 Aug, 8AM (local time) - 6ft (1.8m), 6s period, NW swell with cross-offshore winds.
- Most powerful swell: Tuesday 18 Aug, 8AM (local time) - 6ft (1.8m), 6s period, NW swell with 240 kJ wave energy.
- Next surfable swell (1★+): Tuesday 18 Aug, 8AM (local time) - 6ft (1.8m), 6s period with NW 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 Tuesday (Aug 18) at 8AM. The primary swell is predicted to be 1.8m and 6s 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 6s and forecast to arrive on Tuesday (Aug 18) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 6s period and expected on Tuesday (Aug 18) at 2PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Tue 18th Aug) | 6ft (1.8m) 6s |
| Best Surf | 8AM (Tue 18th Aug) | 6ft (1.8m) 6s |
| Most Powerful | 8AM (Tue 18th Aug) | 6ft (1.8m) 6s |
Table - best surf conditions forecast for Cassis - Plage de l'Arène over the next 16 days.
The Lowdown
Alright, this is Rusty with the imperial look. It’s a quiet picture for Cassis - Plage de l'Arène. This is a reef break that doesn't break often, and the next 16 days are mostly a bust. We’ve got a big dry spell at the start with nothing happening.
The water is sitting at 80°, which is a wild 6° warmer than average for this time of year – that’s very unusual.
Thursday 13 August through Monday 17 August are total write-offs. Flat or ankle-high junk with onshore wind.
The only real highlight is the morning of Tuesday 18 August. Swell jumps to 6ft from the NW at 6 seconds, with moderate energy (240). The wind is a light cross-offshore from the NNW, so it’ll be clean. At 6ft, it’s a solid, fun size for the reef, but beginners might find it a bit much. This is your best window.
After that, it’s small and messy. A couple of mornings around Monday 24 August and Tuesday 25 August show some 4ft to 6ft swell, but the wind is cross-shore or onshore, and the conditions are ordinary.
Then on Thursday 27 August morning, the biggest pulse rolls in at 8ft from the NW with a 7-second period and strong energy (569). The wind is a fresh cross-offshore from the ESE, so it’ll be clean, but 8ft on this inconsistent reef is for experts only, and there’s a risk of thunderstorms. It’s a big, raw swell on the horizon, but long-range and risky.
So bottom line: your one standout is the morning of Tuesday 18 August. Keep that 27 August swell on the radar if you’re experienced and like it big and raw.
Rusty.
Short Range ForecastMostly dry. Warm (max 33°C on Thu afternoon, min 26°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 31°C on Tue afternoon, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||
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) | — | — | — | WSW 3 | SW 4 | SW 3 | SW 4 | SW 4 | SSW 4 | WSW 4 | WSW 4 | — | WSW 4 | W 5 | NW 5 | NW 6 | NW 6 | NW 5 | WNW 5 | W 4 | SW 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 0 | 0 | 1 | 2 | 2 | 4 | 7 | 1 | 2 | 1 | 0 | 5 | 87 | 143 | 240 | 36 | 10 | 8 | 1 | 1 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | glassy | glassy | cross-on | glassy | glassy | cross-on | cross-off | glassy | on | cross-on | cross-on | cross-on | cross | cross-off | cross-on | cross-off | glassy | on | cross |
High Tide | 9:38AM0.18m | 10:33PM0.30m | 10:21AM0.18m | 11:09PM0.29m | 11:03AM0.19m | 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 | |||||||
Low Tide | 3:39PM-0.01m | 5:01AM0.05m | 4:20PM-0.01m | 5:37AM0.05m | 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 | ||||||||
 | |  | | | | | | | | | |  | | | | | | | |  | |
 | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — |
 | — | 8:44 | — | — | 8:43 | — | — | 8:40 | — | — | 8:39 | — | — | 8:37 | — | — | 8:36 | — | — | 8:35 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 32 | 33 | 30 | 30 | 31 | 29 | 30 | 29 | 29 | 28 | 29 | 27 | 28 | 29 | 30 | 29 | 31 | 31 | 28 | 28 | 27 |
Feels °C | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 30 | 30 | 30 | 30 | 30 | 27 | 27 | 27 | 29 | 30 | 32 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | — | — | — | WSW 3 | SW 4 | SW 3 | — | SW 4 | SSW 4 | WSW 4 | WSW 4 | — | — | — | — | E 5 | NW 6 | NW 5 | WNW 5 | W 4 | SW 4 |
| kJ | — | — | — | 1 | 2 | 2 | — | 7 | 1 | 2 | 1 | — | — | — | — | 1 | 36 | 10 | 8 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 4 | — | — | — | — | — | — | — | W 6 | W 5 | E 3 | SW 4 | — |
| kJ | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | 19 | 7 | 2 | 1 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 7 | E 6 | — | NW 4 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 1 | — | 1 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | W 3 | — | — | SW 4 | — | — | — | — | — | WSW 4 | W 5 | NW 5 | NW 6 | NW 6 | E 5 | ENE 3 | ESE 3 | — |
| kJ | — | — | — | 1 | — | — | 4 | — | — | — | — | — | 5 | 87 | 143 | 240 | 102 | 2 | 2 | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 564 | 670 | 592 | 645 | 670 | 569 | 587 | 654 | 562 | 589 | 667 | 142 | 229 | 667 | 195 | 0 | 804 | 305 | 423 | 1133 | 857 |
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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