Boundary Islet Weather Forecast

    • 13
    • 15

    Partly cloudy

    • 14
    • 16

    Cloudy

    • 15
    • 16

    Rain

    • 13
    • 14

    Shower

    • 14
    • 14

    Shower

    • 13
    • 13

    Partly cloudy

    • 13
    • 13

    Cloudy

Today 29 Sep West and South Gippsland

The chance of fog early this morning. Mostly sunny afternoon. Winds northwest to northeasterly 15 to 20 km/h. Daytime maximum temperatures 20 to 25.

Central Gippsland Coastal Waters

Wilsons Promontory to Lakes Entrance
Wind
Northeasterly 10 to 15 knots, reaching up to 20 knots in the west in the evening. Winds turning northerly in the late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres in the west later in the evening.
1st Swell
West to southwesterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A high pressure system is in the Tasman Sea while a low pressure trough crosses the Bight. The trough is forecast to move slowly east on Tuesday, entering western Victoria on Wednesday night before slowly crossing the rest of Victoria on Thursday. The trough is expected to linger over eastern Victoria on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Boundary Islet Temperature Statistics View More

September Temperature

Hogan Island (4km)

  • Lowest 28 September, 2026

    7.5 °C

  • Average September

    12.4 °C

  • Highest 20 September, 2026

    23.5 °C

Climate (2021–2026)

Hogan Island (4km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    14.1 °C

  • Average High 2021–2026

    17.3 °C
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