Boat Harbour Weather Forecast

    • 19
    • 30

    Partly cloudy

    • 20
    • 26

    Showers

    • 14
    • 22

    Partly cloudy

    • 16
    • 25

    Cloudy

    • 15
    • 29

    Sunny

    • 18
    • 28

    Partly cloudy

    • 19
    • 27

    Cloudy

Today 31 Jan Illawarra

Partly cloudy. The chance of a thunderstorm, possibly severe with damaging winds inland. Winds east to northeasterly 15 to 25 km/h becoming light in the late evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northeasterly 15 to 20 knots, reaching up to 25 knots offshore during the afternoon and evening.
Seas
1.5 metres, increasing to 1.5 to 2 metres offshore.
1st Swell
Northeasterly below 1 metre.
Weather
Mostly clear. The chance of a thunderstorm inshore.
Weather Situation
A ridge extends over the NSW coast from a high situated over the Tasman Sea, maintaining northeasterly winds over NSW waters. A cold front will bring a southerly change to the coast tomorrow, starting from the southern coast in the early morning and moving through to the northern coast by the evening. In the wake of the cold front, another ridge will form along the NSW coast, maintaining southerly winds along the coast Monday, with winds shifting easterly then northeasterly Tuesday and Wednesday as the ridge moves east.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Boat Harbour Temperature Statistics View More

January Temperature

Point Perpendicular (2km)

  • Lowest 12 January, 2026

    15.6 °C

  • Average January

    21.1 °C

  • Highest 10 January, 2026

    39.6 °C

Climate (2021–Present)

Point Perpendicular (2km)

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  • Average Low 2021–2026

    14.7 °C

  • Average 2021–2026

    17.4 °C

  • Average High 2021–2026

    20.7 °C
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