Flat Top Island Weather Forecast
- 12
- 24
Sunny
- 14
- 24
Shower or two
- 16
- 23
Shower or two
- 16
- 23
Partly cloudy
- 15
- 24
Partly cloudy
- 14
- 24
Sunny
- 13
- 23
Possible shower
Today 19 Jul Mackay
Sunny. Winds southerly 15 to 20 km/h tending southeasterly in the middle of the day then becoming light in the late afternoon.
Mackay Costal Waters
Bowen to St Lawrence- Wind
- South to southeasterly 15 to 20 knots, reaching up to 30 knots offshore south of Mackay in the late evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres offshore south of Mackay.
- 1st Swell
- Easterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
- Weather
- Sunny.
- Weather Situation
- A firm ridge of high pressure extends over the northern Queensland waters from a high [1036 hPa] centred over southeastern Australia. The ridge will slowly relax over coming days as the high slowly weakens and slips east over the Tasman Sea.
Flat Top Island Temperature Statistics View More
July Temperature
Mackay Airport (7km)
Lowest 17 July, 2026
7.8 °CAverage July
18 °CHighest 13 July, 2026
25.2 °C
Climate (2021–2026)
Mackay Airport (7km)
Average Low 2021–2026
18.7 °CAverage 2021–2026
23.1 °CAverage High 2021–2026
27.9 °C