Half Moon Bay Weather Forecast

    • 2
    • 15

    Mostly sunny

    • 5
    • 16

    Late shower or two

    • 10
    • 19

    Shower or two

    • 8
    • 14

    Possible shower

    • 4
    • 13

    Cloudy

    • 5
    • 14

    Cloudy

    • 8
    • 17

    Showers

Today 23 Sep North West Coast

Sunny. The chance of fog in the east early this morning. Areas of morning frost. Light winds becoming north to northwesterly 15 to 20 km/h in the middle of the day then becoming light in the late afternoon. Daytime maximum temperatures between 14 and 17.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Variable about 10 knots becoming east to northeasterly 10 to 15 knots in the late afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 3 metres, increasing to 2.5 to 4 metres south of King Island.
Weather
Sunny.
Weather Situation
A high pressure system centred over Bass Strait moves eastwards to lie over the northern Tasman Sea during today and Thursday, maintaining ridge dominated conditions over Tasmania. A trough is forecast to move over the state from the west during Friday ahead of a cold front to cross later. A secondary high pressure system is forecast to extend a ridge over Tasmania from the southwest during Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Half Moon Bay Temperature Statistics View More

September Temperature

Smithton Aerodrome (19km)

  • Lowest 12 September, 2026

    1.2 °C

  • Average September

    10.8 °C

  • Highest 20 September, 2026

    20.6 °C

Climate (2021–2026)

Smithton Aerodrome (19km)

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  • Average Low 2021–2026

    8.1 °C

  • Average 2021–2026

    12.6 °C

  • Average High 2021–2026

    17.8 °C
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