What is the meaning of red tide in Tagalog?

There isn't a direct one-word translation for "red tide" in Tagalog. However, the most common and accurate way to translate it would be:

Pulang Baha

This literally translates to "red flood" and accurately captures the phenomenon of red tide, which is characterized by a massive bloom of algae that discolors the water red.

Other possible translations include:

* Pamumula ng Dagat - Redness of the sea

* Pag-usbong ng Algae - Algae blooming

The best translation depends on the context and the specific information you want to convey.