Jervis Bay Harbour Weather Forecast

    • 15
    • 21

    Showers increasing

    • 12
    • 20

    Shower or two

    • 12
    • 23

    Partly cloudy

    • 12
    • 24

    Partly cloudy

    • 15
    • 26

    Partly cloudy

    • 17
    • 27

    Shower or two

    • 17
    • 31

    Shower or two

Today 15 Nov Illawarra

Cloudy. Very high chance of showers. The chance of a thunderstorm this afternoon. Winds south to southwesterly 15 to 20 km/h becoming light in the early morning then becoming south to southeasterly 15 to 25 km/h in the middle of the day. Daytime maximum temperatures between 18 and 22.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Southerly 15 to 20 knots, reaching up to 25 knots offshore north of Port Kembla early in the morning.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
1st Swell
Southerly around 1 metre, increasing to 1 to 1.5 metres south of Port Kembla during the morning.
Weather
Cloudy. 90% chance of showers. The chance of a thunderstorm inshore this afternoon.
Weather Situation
An inland trough is drawing moisture from the Coral Sea, with a southerly change moving up the northern coast today. On Monday, a trough deepens along the northern coast and a low develops offshore overnight. The low then moves southeast into the Tasman Sea on Tuesday as a high in the Bight ridges over the state.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Jervis Bay Harbour Temperature Statistics View More

November Temperature

Point Perpendicular (9 km)

  • Lowest 8 November, 2026

    11 °C

  • Average November

    18.3 °C

  • Highest 11 November, 2026

    29.1 °C

Climate (2021–2026)

Point Perpendicular (9 km)

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  • Average Low 2021–2026

    14.9 °C

  • Average 2021–2026

    17.6 °C

  • Average High 2021–2026

    20.9 °C
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