Mervs Reef Weather Forecast

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    Partly cloudy

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    Windy

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    Partly cloudy

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    Partly cloudy

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    Partly cloudy

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    Partly cloudy

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    Shower

Today 23 Jan Capricornia

Mostly clear. Slight chance of a shower in the southwest, becoming less likely later this evening. Near zero chance of rain elsewhere. The chance of a thunderstorm in the southwest early this evening. Winds east to northeasterly 15 to 20 km/h becoming light in the late evening.

Great Barrier Reef Offshore Waters

Bowen to Yeppoon
Wind
Southeasterly 15 to 20 knots, reaching up to 25 knots between Creal Reef and Gannett Cay in the evening.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres between Creal Reef and Gannett Cay.
1st Swell
Northeast to southeasterly around 1 metre, increasing to 1 to 1.5 metres north of Creal Reef.
Weather
Mostly clear.
Weather Situation
The monsoon trough will persist over the Cape York Peninsula and may drift a little southward over the North Queensland waters north of Cooktown in the coming days. A tropical low (18U) low lies within the monsoon trough near the west Peninsula coast, and will drift southward over the next few days and linger near the southern Gulf coast into next week. A weak ridge will persist over the northern waters south of trough this weekend, before weakening early next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mervs Reef Temperature Statistics View More

January Temperature

Gannett Cay (14km)

  • Lowest 7 January, 2026

    24 °C

  • Average January

    27 °C

  • Highest 17 January, 2026

    29.1 °C

Climate (2021–Present)

Gannett Cay (14km)

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  • Average Low 2021–2026

    23.2 °C

  • Average 2021–2026

    24.5 °C

  • Average High 2021–2026

    25.7 °C
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