Gruissan
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Hourly Forecast
Timezone: Europe/Paris
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Thursday 28
Friday 29
Saturday 30
Sunday 31
Monday 01
Tuesday 02
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Gruissan surf guide

Gruissan is a laid-back surf spot located in the Aude region of France, known for its unique charm and accessibility. Surfers will find themselves in a picturesque setting that features the famous wooden toy-town holiday homes near the shore. While it’s not the most famous surf destination, it's definitely worth checking out, especially when conditions line up right. The area is best suited for intermediate surfers looking to enjoy some fun waves.

The optimal swell direction here is Southeast, but you can also catch waves with swells coming from the East and South. It tends to handle swell sizes around 1ft (0.3 meters) and breaks primarily over sand, allowing for a mix of left and right waves. Surfers should aim for low to mid tide for the best results and keep an eye on the wind, as west winds are preferred. Note that while it can hold some size in front of the wooden holiday homes, the overall quality can be average, and conditions vary significantly.

Locals claim about 60 surf days per year, with most action happening in winter, thanks to the Tramontane winds blowing offshore. If you're looking for more consistent surf, there are additional waves available at the jetty in Narbonne, which is just to the north. So, if you're in the area, Gruissan can be a fun little spot to hit up alongside exploring nearby surf options.

Surf reports and surf forecasts nearby Gruissan

Gruissan
Occitanie, France
Beach break
Thu 28
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
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Sun 7
Mon 8
Canet Plage
Occitanie, France
Unknown break
Thu 28
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7
Mon 8
Sète
Occitanie, France
Unknown break
Thu 28
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7
Mon 8
Palavas-les-Flots
Occitanie, France
Unknown break
Thu 28
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7
Mon 8
Carnon
Occitanie, France
Beach break
Thu 28
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7
Mon 8
Saintes-Maries
Provence Alpes Cote D Azur, France
Beach break
Thu 28
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7
Mon 8
La Couronne
Provence Alpes Cote D Azur, France
Reef break
Thu 28
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7
Mon 8
La Corniche
Provence Alpes Cote D Azur, France
Beach break
Thu 28
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7
Mon 8
Le Rouet
Provence Alpes Cote D Azur, France
Beach break
Thu 28
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7
Mon 8
Le Prado
Provence Alpes Cote D Azur, France
Unknown break
Thu 28
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7
Mon 8
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Wind certainty

Wind certainty tells you how much the weather models agree on the forecast.

  • High certainty: Models agree closely; forecast is reliable.
  • Medium certainty: Some disagreement; conditions may shift slightly.
  • Low certainty: Models diverge; treat forecast with caution.

We calculate this by comparing wind speed, gust and direction from multiple models (like GFS, ECMWF, Arome, and Harmonie) and seeing how closely they match. They are weighted, meaning that some models count more than others, depending on how good they are for a certain spot.

Readme

Welcome! If you’re new to surf forecasting, check out this quick guide.

Forecast Table

The forecast table (the section on the page with all the numbers) is designed to pack as much information in the screen as possible. Although intimidating at first, it will help you make informed decisions about the waves faster, trust me :D. The table consists of roughly four sections, time and predictions, wind, waves, and tides:

🔮 Time and predictions section

Here we show the forecast thour and the overall surf quality prediction. This is determined based on the wave, wind and tide quality prediction. These individual predictions can be found on the forecast map.

💨 Wind section

The first row on the table (with the 💨 icon) shows wind speed, direction and gust. The more the wind speed the more aggressive the color (from blue, green, orange to red).

🌊 Wave section

The waves section consists of three rows, one for wave height and direction, one for period and one for wave energy. Our algorithm choices the "dominant wave". This is normally the first swell partition, but with heavy local storms it displays the wind waves. If that's the case, we display the numbers in italic and in gray.

🌒 Tide section

The tide section consists of a row with the actual heights per hour (measured at the half hour) and a table that displays the flow of the tide and the extremes (lows and highs).

Forecast map

The forecast map consists of arrows. These arrows represent all wave partitions (swell partitions and wind wave partition) and the wind. This allows you to see things like: a secondary swell or wind waves messes up the surf, or the wind is just a tick offshore so very surfable. Click a metric label in the bottom left to bring that arrow to the front — handy when arrows overlap.

Forecast Cheat Sheet

Short on time? Focus on wave energy. It’s the best single metric to gauge how big and powerful the waves will be.

Click any table cell to jump to that forecast hour. The map will update with forecast arrows, so you can see if wind and swell direction are lining up.

Use the table sidebar to switch units for height and speed.

Log your surf sessions to compare forecasts with real sessions and sharpen future predictions.

Models and Updates

Surfnerd blends multiple global and local wind and swell models using advanced interpolation and spatial techniques to create an "ensemble" forecast. Forecasts are refreshed hourly.

Surf Predictions

Our AI-driven algorithm scores surf quality, shown by green, orange, and gray dots. Each forecast hour is rated for wind, swell, and tide quality, then combined into an overall score. Here’s the scale:

Perfect
Good
Average
Bad or No Data

Session logs also feed the algorithm — the more you log, the smarter your forecasts get.

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