Hurricane Ivan weakened a little bit because of wind shear. Ivan strengthened back and became a category 2 and later on, a category 3 hurricane. On September 7, while Ivan was a category 3 hurricane, it passed very close to Grenada. Ivan entered the Caribbean Sea and again strengthened very fast. By the morning of September 8, Hurricane Ivan was a category 4 hurricane and later on that day, Hurricane Ivan came close to the Netherlands Antilles. 