@NoankStan
The Currents layer showing the Gulf Stream, is based on data provided by Copernicus (CMEMS)
To learn more about the data provider model, on desktop click the small i in bottom right corner of your screen.
In the mobile app, see About the data in the menu

0DD68453-C703-4A61-B1B5-0AB162842BA6.jpeg

More information here:

https://marine.copernicus.eu/news/new-catalogue-release-wind-wave-ocean-current-and-biogeochemical-variables