Alnwick Island Weather Forecast
- 26
- 27
Windy
- 26
- 27
Windy
- 26
- 27
Cloudy
- 26
- 27
Shower
- 25
- 26
Shower
- 25
- 26
Shower
- 25
- 26
Shower
Today 30 Mar Capricornia
Partly cloudy. Slight chance of a shower near the coast, most likely in the late morning and afternoon. Near zero chance of rain elsewhere. Winds southeasterly 15 to 20 km/h becoming light in the early morning then becoming east to southeasterly 20 to 30 km/h in the morning. Daytime maximum temperatures around 30.
Mackay Costal Waters
Bowen to St Lawrence- Wind
- Southeasterly 20 to 25 knots, reaching up to 30 knots offshore during the afternoon and evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2.5 metres offshore.
- 1st Swell
- Easterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
- Weather
- Partly cloudy. The chance of a thunderstorm.
- Weather Situation
- A high [1025 hPa] over southern Australia is extending a ridge across northern Queensland waters. The high will maintain the ridge and southeasterly flow across northern Queensland waters as it drifts eastwards over coming days. A trough in the Coral Sea will move slowly northwest over comings days, creating a squeeze with the ridge, increasing southeasterly winds further.
Alnwick Island Temperature Statistics View More
March Temperature
Middle Percy Island (40km)
Lowest 29 March, 2026
21.3 °CAverage March
25.1 °CHighest 12 March, 2026
28.7 °C
Climate (2021–Present)
Middle Percy Island (40km)
Average Low 2021–2026
20.7 °CAverage 2021–2026
22.6 °CAverage High 2021–2026
25.5 °C