Boat Harbour Weather Forecast

    • 11
    • 19

    Mostly sunny

    • 8
    • 16

    Sunny

    • 7
    • 19

    Sunny

    • 10
    • 18

    Partly cloudy

    • 9
    • 19

    Mostly sunny

    • 9
    • 19

    Mostly sunny

    • 11
    • 17

    Shower or two

Today 23 Jul Sydney

Mostly sunny. Light winds becoming westerly 15 to 25 km/h in the middle of the day then tending southwesterly 15 to 20 km/h in the late afternoon.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Westerly 15 to 20 knots turning southwesterly 20 to 25 knots in the late afternoon. Winds reaching up to 30 knots in the evening.
Seas
Around 1 metre, increasing to 1 to 2 metres during the afternoon.
1st Swell
Southerly below 1 metre inshore, increasing to around 1 metre offshore.
Weather
Sunny.
Weather Situation
West to northwesterly airflow will shift fresh to strong southwesterly during Thursday and Friday as a cold front crosses the coastal waters. Winds are then expected to ease and tend west to southwesterly over the weekend as a high pressure ridge moves over the region.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Boat Harbour Temperature Statistics View More

July Temperature

Sydney Airport (10km)

  • Lowest 11 July, 2026

    8.2 °C

  • Average July

    14.3 °C

  • Highest 2 July, 2026

    23.5 °C

Climate (2021–2026)

Sydney Airport (10km)

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  • Average Low 2021–2026

    14.9 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    23.5 °C
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