Answer: deadcalm

AnswerCrossword Clue
DEADCALM

Sailor's concern

DEADCALM

1989 Nicole Kidman film

DEADCALM

1989 Neill-Kidman thriller

DEADCALM
Cause of a full stop for sailing ships
DEADCALM
Bad news for sailors
DEADCALM0 on the Beaufort scale