Are there jellyfish at Haarlem today?

No jellyfish have been reported at Haarlem today. Last updated: 04/10/2026 09:16.

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 18.4°C 0.06 m/s

Last updated : 04/10/2026 06:00

No recent reports

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