Weather inshore until 6am on Saturday will be cold during night time and misty to foggy at places later, the Department of Meteorology said in its daily weather report, warning of poor visibility at places later.
Offshore, it will be fine to some clouds later, the report added.
Wind inshore will be northwesterly to southeasterly at 03 to 10 knot.
Offshore, it will be variable less than 3 knot becoming southeasterly at 03 to 10 knot by the end of the period.
Visibility tonight will be 4 to 8km first and then that can be reduced to 2km or less at places later.
Sea state inshore will be 1 feet. Offshore, it will be 1 to 3 feet.