Flat Rock Island Weather Forecast

    • 9
    • 32

    Sunny

    • 13
    • 21

    Shower or two

    • 8
    • 19

    Cloudy

    • 9
    • 24

    Partly cloudy

    • 9
    • 26

    Mostly sunny

    • 11
    • 30

    Mostly sunny

    • 12
    • 30

    Possible shower

Today 20 Sep Batemans Bay

Sunny. Light winds becoming northwesterly 20 to 30 km/h in the middle of the day.

Batemans Coastal Waters

Ulladulla to Montague Island
Wind
Northerly 15 to 20 knots turning northwesterly in the late afternoon. Winds reaching up to 25 knots offshore in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the morning.
1st Swell
Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Sunny.
Weather Situation
A high pressure system over the Tasman Sea directs a northwesterly flow over the state, ahead of a fresh and gusty southerly change moving across the the coastal waters and reaching the QLD border by Tuesday. A new high pressure system is forecast to slip south during early to mid next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Flat Rock Island Temperature Statistics View More

September Temperature

Batemans Bay (Catalina Country Club) (11km)

  • Lowest 10 September, 2026

    1.5 °C

  • Average September

    18 °C

  • Highest 14 September, 2026

    27.5 °C

Climate (2021–2026)

Batemans Bay (Catalina Country Club) (11km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    9.7 °C

  • Average 2021–2026

    16.8 °C

  • Average High 2021–2026

    22.8 °C
Get WillyWeather+ to remove ads