This covers Torres Strait and Daru to Kiwai Island, Kerema, Yule Island, Hood Point or Aroma Coast to Eastern Milne Bay Islands and Cape Vogel.
The warning also extends to Finschhafen through Dampier/Vitiaz Strait to Siassi Island, Long Island, and West New Britain to Manus and St. George Channel, including Bismarck, Solomon and Coral Seas.
The Weather Service says strong southeast winds of 25 to 34 knots are expected to continue for the next 24 hours, causing rough seas and high wind waves.
All small crafts and boats are advised to take necessary precautions before and after going out to sea.