Caves Beach Weather Forecast

    • 13
    • 28

    Possible shower

    • 10
    • 18

    Partly cloudy

    • 8
    • 19

    Possible morning shower

    • 6
    • 26

    Sunny

    • 8
    • 28

    Sunny

    • 9
    • 31

    Sunny

    • 12
    • 31

    Mostly sunny

Today 15 Sep Newcastle

Partly cloudy. Medium chance of showers, most likely later this evening. The chance of a thunderstorm. Winds southeasterly 15 to 20 km/h tending southerly 15 to 25 km/h in the late afternoon then increasing to 25 to 35 km/h in the late evening.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
Southerly 15 to 20 knots increasing to 20 to 25 knots in the late evening. Winds reaching up to 30 knots in the late evening. Squalls possible with the wind change.
Seas
Around 1 metre, increasing to 1 to 1.5 metres south of Port Stephens later in the evening.
1st Swell
Southerly below 1 metre, increasing to 1 to 1.5 metres south of Port Stephens later in the evening.
Weather
Partly cloudy. 70% chance of showers. The chance of a thunderstorm.
Weather Situation
A trough and a cold front systems are crossing the coastal waters today into early Wednesday, with strong to gale-force southerly winds and large powerful waves in its wake. Winds and waves will gradually ease from late Thursday onwards as a high pressure system moves across the state later in the week into the weekend, while extending a ridge across the coastal waters.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Caves Beach Temperature Statistics View More

September Temperature

Lake Macquarie (Cooranbong) (17km)

  • Lowest 1 September, 2026

    3.4 °C

  • Average September

    15.7 °C

  • Highest 5 September, 2026

    31.5 °C

Climate (2021–2026)

Lake Macquarie (Cooranbong) (17km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    17.3 °C

  • Average High 2021–2026

    24 °C
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