Grassy Island Weather Forecast
- 23
- 31
Cloudy
- 22
- 31
Sunny
- 23
- 33
Sunny
- 25
- 31
Shower
- 24
- 31
Partly cloudy
- 23
- 31
Partly cloudy
- 22
- 31
Partly cloudy
Today 22 Dec Central Coast and Whitsundays
Partly cloudy. Slight chance of a shower in the north, near zero chance elsewhere. Winds south to southeasterly 15 to 25 km/h tending east to southeasterly in the middle of the day then becoming light in the late evening. Daytime maximum temperatures in the low 30s.
Mackay Costal Waters
Bowen to St Lawrence- Wind
- Southeasterly 15 to 25 knots, reaching up to 30 knots offshore in the late morning and early afternoon. Winds decreasing to 10 to 15 knots in the late evening.
- Seas
- 1 to 2 metres, decreasing below 1.5 metres later in the evening.
- 1st Swell
- Easterly around 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- A tropical low lies well offshore of the Whitsunday Islands, and is extending a trough to its northwest. The low is forecast to continue to move east today, though the trough extending to the northwest of the low will remain over northern coastal waters over coming days, slowly drifting northwards.
Grassy Island Temperature Statistics View More
December Temperature
Proserpine Airport (39km)
Lowest 9 December, 2024
20 °CAverage December
25.7 °CHighest 16 December, 2024
34.1 °C
Climate (2019–Present)
Proserpine Airport (39km)
Average Low 2019–2024
18.1 °CAverage 2019–2024
22.9 °CAverage High 2019–2024
29.2 °C