Grasshopper Island Weather Forecast

    • 8
    • 26

    Sunny

    • 12
    • 26

    Shower or two

    • 12
    • 20

    Showers

    • 7
    • 17

    Mostly sunny

    • 7
    • 18

    Partly cloudy

    • 6
    • 22

    Sunny

    • 7
    • 26

    Sunny

Today 13 Sep Batemans Bay

The chance of fog early this morning. Mostly sunny afternoon. Light winds becoming northerly 15 to 20 km/h in the middle of the day then becoming light in the evening.

Batemans Coastal Waters

Ulladulla to Montague Island
Wind
Northerly 15 to 20 knots, reaching up to 25 knots offshore in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
1st Swell
Southerly 1.5 metres.
Weather
Sunny.
Weather Situation
A high pressure system will drift across the Tasman Sea this weekend, causing winds to turn northeasterly. Northerly winds are expected to increase on Monday before turning southerly in the far south. This southerly change will continue to move north along the coast on Tuesday and strengthen.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grasshopper Island Temperature Statistics View More

September Temperature

Batemans Bay (Catalina Country Club) (16km)

  • Lowest 10 September, 2026

    1.5 °C

  • Average September

    17.5 °C

  • Highest 6 September, 2026

    27.2 °C

Climate (2021–2026)

Batemans Bay (Catalina Country Club) (16km)

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  • Average Low 2021–2026

    9.7 °C

  • Average 2021–2026

    16.8 °C

  • Average High 2021–2026

    22.8 °C
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