Guinea-Bissau Tidal Waters
This dynamic environment supports a diverse range of marine life and ecosystems.
NASA3 Aug 20261 min read

Twice each day, tides ebb and flow through a maze of sandy channels, mudflats, and mangrove forests that flank the 88 islands and islets of Guinea-Bissau’s Bijagós Archipelago (Arquipélago dos Bijagós in Portuguese). Seen from above in this image from Nov. 28, 2025, the process leads to stark changes to the landscape: around low tide, intertidal mudflats and sandflats […]
Continue at NASA
Overseex summarises and files this story. The reporting itself belongs to NASA.
Keep up with what matters
One email a week with the stories worth your time.