Bluebridge says weather and sea conditions are forecast to deteriorate -- with large swells expected.
A number of morning and evening sailings today, and morning sailings tomorrow have been cancelled.
Wainuiomata Volunteer Fire Brigade's warning people to tie down loose items, especially trampolines.
A MetService orange strong wind warning's in place in parts of Marlborough and Wellington.
Heavy rain's expected to keep falling in Tairawhiti north of Gisborne City, and the Bay of Plenty.
Both areas have seen high river levels, and reports of flooding.
Tairawhiti Civil Defence says there's likely to be some land stability issues, given the impact of previous heavy rain events.