Half Moon Bay Weather Forecast
- 7
- 14
Showers
- 10
- 14
Possible morning storm. Rain
- 9
- 15
Possible shower
- 7
- 15
Early shower or two
- 6
- 15
Shower or two. Becoming windy
- 6
- 13
Partly cloudy
- 7
- 15
Partly cloudy
Today 4 Sep North West Coast
Cloudy. Very high chance of showers. Winds northwesterly 25 to 35 km/h decreasing to 15 to 25 km/h in the evening.
Far Northwest Coastal Waters
Sandy Cape to Stanley including King Island- Wind
- Northwesterly 15 to 20 knots, reaching up to 25 knots south of King Island in the late afternoon. Winds turning northerly in the evening.
- Seas
- 1 to 2 metres.
- 1st Swell
- Southwesterly 3 to 5 metres.
- Weather
- Cloudy. 95% chance of showers.
- Weather Situation
- A low pressure system and associated cold front is approaching Tasmania from the west, directing a northwesterly airstream over the state. This low is expected to cross Tasmania on Saturday, directing the airstream more northerly. A west to southwesterly airstream is then expected in the wake of the low on Saturday evening. A series of weaker cold fronts embedded in the westerly flow are then forecast to cross the state in the following days.
Half Moon Bay Temperature Statistics View More
September Temperature
Smithton Aerodrome (19km)
Lowest 1 September, 2026
7.7 °CAverage September
11.9 °CHighest 1 September, 2026
17.1 °C
Climate (2021–2026)
Smithton Aerodrome (19km)
Average Low 2021–2026
8 °CAverage 2021–2026
12.6 °CAverage High 2021–2026
17.7 °C