Welcome to the NASCA Géosystèmes (member of Littoralis) server presenting the PreviCôte products for Coastal Operational Oceanography
Four-day forecasts for all sea and coastal parameters concerning sea conditions, for all coastal users, professional or recreational.
The PREVICOTE projects have a Pôle Mer certification.

You will find in these pages free software to view or process marine and coastal forecasts : winds, waves, swell, cross waves, currents and tides.
The forecasts are based on a high resolution grid (2km) for private use (nautical, fishing, surfing, diving, ...) and on a very high resolution grid (100-300m) for professional uses (marine transportation, commercial fishing, aquaculture,...)