Prepare for each shore fishing trip in seconds. Basse Mer centralizes all the information you need: zone status, tide times, quotas per species, and coastal weather, all in one place.
REAL-TIME ZONES
Check the status of all regulated zones on the Atlantic coast and the English Channel. ARS (health) and seasonal closures are continuously updated from official sources.
TODAY'S TIDES
Low and high tide times, coefficients, and optimal fishing windows. Real-time data via api-maree.fr.
57 LISTED SPECIES
Minimum legal size, quota per tide, fishing calendar, and measurement method for each species: cockle, clam, lobster, spider crab, crab, sea urchin, razor clam, mussel…
COASTAL WEATHER
Wind, temperature, precipitation — current conditions and forecasts to help you plan your trip.
PUSH ALERTS — PREMIUM (Coming Soon)
Get notified as soon as one of your zones changes status or a spring tide (coefficient ≥ 100) is forecast.
GEOGRAPHIC COVERAGE
Brittany · Normandy · Pays de la Loire · Charente-Maritime · Gironde · Arcachon · Basque Country · Pas-de-Calais
OFFICIAL SOURCES
• Fishing Zones: National Fisheries Monitoring Center (CNSP)
https://www.data.gouv.fr/fr/datasets/zones-de-peche-a-pied-de-loisir/
• Health Alerts: Regional Health Agencies (ARS)
https://www.ars.sante.fr/
• Prefectural Restrictions: Collection of Administrative Acts of the Prefectures
https://www.prefectures-regions.gouv.fr/
• Species and Quotas: Directorate of Maritime Fisheries and Aquaculture (DPMA)
https://www.dpma.fr/
• Tides: api-maree.fr
• Weather: Open-Meteo (open-meteo.com)
⚠ Low Tide is an independent application. It is not affiliated with any government agency, nor is it authorized to represent any public entity.
The data is provided for informational purposes only. Always consult official sources before going out.