Early humpback whale sightings on Kauai and Big Island, what does that mean?

First official humpback whale sighting this season was on the south west coast of Kauai reported the The Garden Island News paper. On October 9 two boat operators confirmed this sighting. Why are they here so early? Humpback whale sightings in October are not unusual. As a 30 year Maui resident and whale enthusiasts I can assure you that these …