Official annual classification
KATWIJK AAN ZEE BOULEVARD ZUID
2025: GoodNot a live safety signal. This is an annual official classification. Temporary pollution, algae, weather, currents or closures may change current conditions. Check the competent authority before swimming.
Quality history
Historical annual classifications from the EEA record, where available.
2025Good
2024Good
2023Good
2022Good
2021Good
2020Not classified
2019Poor
2018Good
2017Excellent
2016Excellent
2015Excellent
History summary
3 of 10 classified seasons in the 2015–2025 record are Excellent; the previous classified season (2024) was Good.
Nearby official bathing waters
Closest records in Netherlands by straight-line distance. This is not road distance or a live safety ranking.
KATWIJK AAN ZEE BOULEVARD NOORD
Coastal · Sufficient2.0 kmWASSENAARSE SLAG
Coastal · Excellent5.2 kmNOORDWIJK AAN ZEE BOULEVARD
Coastal · Good5.6 kmVALKENBURGSE MEER
Lake · Excellent6.0 kmKLINKENBERGERPLAS NOORDWESTOEVER
Lake · Excellent6.7 km
Coastal · Sufficient2.0 kmWASSENAARSE SLAG
Coastal · Excellent5.2 kmNOORDWIJK AAN ZEE BOULEVARD
Coastal · Good5.6 kmVALKENBURGSE MEER
Lake · Excellent6.0 kmKLINKENBERGERPLAS NOORDWESTOEVER
Lake · Excellent6.7 km
Official source
Data source: European Environment Agency (EEA); bathing-water data and coordinates are reported by national authorities. Imported for this site on 2026-09-14.
Check national profile / current notices