Halfmoon Bay Weather Forecast
- 10
- 20
Mostly clear
- 12
- 21
Mostly sunny
- 12
- 28
Sunny
- 14
- 21
Possible shower
- 13
- 24
Shower or two
- 13
- 19
Shower or two. Windy
- 11
- 18
Cloudy
Today 5 Jan King Island
Mostly clear. Winds west to southwesterly 15 to 25 km/h becoming light in the late evening.
Far Northwest Coastal Waters
Sandy Cape to Stanley including King Island- Wind
- West to southwesterly 10 to 15 knots, reaching up to 20 knots east of King Island during the afternoon and evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres east of King Island.
- 1st Swell
- Southwesterly around 1 metre, increasing to 1.5 to 2 metres south of King Island.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure ridge over the northwest will move through Bass Strait on Tuesday as a weak trough slips across the south of the state. This high pressure system will establish in the Tasman Sea on Wednesday with a another trough sweeping across the state on Wednesday. This trough will linger just off the northeast coast until a strong cold front approaches from the west coast late Friday.
Halfmoon Bay Temperature Statistics View More
January Temperature
King Island Airport (8km)
Lowest 2 January, 2026
9.5 °CAverage January
15.1 °CHighest 2 January, 2026
21.2 °C
Climate (2021–Present)
King Island Airport (8km)
Average Low 2021–2026
10.1 °CAverage 2021–2026
13.5 °CAverage High 2021–2026
17.5 °C