Are there jellyfish at Haarlem today?

No jellyfish have been reported at Haarlem today. Last updated: 19/09/2026 09:01.

What jellyfish species are found at Haarlem?

No specific species have been recently reported at Haarlem. Check Meduseo for real-time updates.

Swimming at Haarlem appears safe today, no jellyfish reported. Stay alert and check Meduseo for real-time updates.

No information 18.8°C 0.08 m/s

Last updated : 19/09/2026 00:00

No recent reports

I saw one on the beach and two or three in the water during a 1000m swim.