Simplify the following text for a Grade 6 native English-speaking person.
Original: The hurricane entered the CPHC 's Area of Responsibility near its peak strength of 135 m. Estelle 's forward motion increased to close to 20 k , resulting in the path of a potential landfall on the Big Island .
Simplified: Estelle 's forward motion increased to close to 20 knots . Estelle 's path took it towards a potential landfall on the Big Island .