Castor Reef Weather Forecast

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    Clear

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    Sunny

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    Shower

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Today 18 Jul Herbert and Lower Burdekin

Clear. Winds east to southeasterly 15 to 20 km/h becoming light in the late afternoon.

Townsville Coastal Waters

Cardwell to Bowen
Wind
Southeasterly 15 to 20 knots, reaching up to 25 knots offshore south of Cape Bowling Green in the late afternoon.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres outside the reef.
1st Swell
East to southeasterly below 1 metre, increasing to around 1 metre outside the reef.
Weather
Clear.
Weather Situation
A firm ridge of high pressure extends over the northern Queensland waters from a high [1034 hPa] centred over southeastern Australia. The ridge will slowly relax over coming days as the high slowly weakens in place.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Castor Reef Temperature Statistics View More

July Temperature

Alva Beach (102km)

  • Lowest 17 July, 2026

    10.3 °C
  • Average July

    20.5 °C
  • Highest 4 July, 2026

    25.8 °C

Climate (2021–2026)

Alva Beach (102km)

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  • Average Low 2021–2026

    21.2 °C
  • Average 2021–2026

    24.7 °C
  • Average High 2021–2026

    28.2 °C
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