<prompt> Translate the following text to EnglishGhuba iliyo karibu na mlima huo wa graniti imekuwa ikijaa matope kwa miaka ya hivi karibuni, kwa hiyo ni kisiwa tu wakati wa mawimbi ya juu sana.  <response>: The bay around the mounts granite outcrop has been steadily silting up in recent years, so that its an island only during very high tides. 