Jervis Bay FAD (offshore) Weather Forecast

    • 19
    • 20

    Shower

    • 15
    • 16

    Shower

    • 16
    • 17

    Cloudy

    • 15
    • 18

    Partly cloudy

    • 17
    • 20

    Sunny

    • 19
    • 21

    Partly cloudy

    • 19
    • 21

    Shower

Today 26 Sep Illawarra

Becoming cloudy. Medium chance of showers, most likely in the late afternoon and evening. The chance of a thunderstorm in the afternoon and evening. Winds westerly 20 to 30 km/h turning southerly in the afternoon. Daytime maximum temperatures 28 to 33.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northerly 10 to 15 knots shifting southerly 15 to 25 knots in the early afternoon. Winds reaching up to 30 knots in the evening. Squalls possible with the wind change.
Seas
Around 1 metre, increasing to 1.5 to 2 metres by early evening.
1st Swell
Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
Weather
Mostly sunny day. The chance of a thunderstorm in the late afternoon and evening.
Weather Situation
A high pressure system over the Tasman Sea directs a northeasterly flow through the coastal waters. A cold front and trough will pass through the Tasman Sea during the weekend, bringing a southerly change that will track northward along the NSW coast during Saturday and Sunday. Another high crossing Tasmania early next week will then extend a new ridge into the coastal waters.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Jervis Bay FAD (offshore) Temperature Statistics View More

September Temperature

Point Perpendicular (21km)

  • Lowest 18 September, 2026

    9.6 °C

  • Average September

    16.7 °C

  • Highest 19 September, 2026

    29.1 °C

Climate (2021–2026)

Point Perpendicular (21km)

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  • Average Low 2021–2026

    14.9 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    20.9 °C
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