Montague Island Weather Forecast
- 14
- 20
Shower or two
- 10
- 18
Becoming windy. Mostly sunny
- 10
- 19
Shower or two
- 9
- 15
Windy. Partly cloudy
- 7
- 18
Sunny
- 8
- 17
Partly cloudy
- 8
- 17
Mostly sunny
Today 27 Aug South Coast
Partly cloudy. Slight chance of a shower. The chance of a thunderstorm near the Victorian border in the late afternoon and evening. Damaging winds possible inland. Winds northwesterly 20 to 30 km/h turning westerly 25 to 35 km/h in the afternoon. Daytime maximum temperatures between 15 and 20.
Batemans Coastal Waters
Ulladulla to Montague Island- Wind
- Northwesterly 25 to 30 knots, reaching up to 35 knots offshore in the late morning. Winds tending westerly 20 to 30 knots in the late afternoon.
- Seas
- 1 to 1.5 metres, increasing to 2 to 3 metres offshore.
- 1st Swell
- Northeasterly 2 to 2.5 metres.
- Weather
- Partly cloudy. The chance of a thunderstorm offshore south of Moruya Heads in the evening.
- Weather Situation
- West to northwesterly winds will strengthen today as a cold front approaches from the west with winds turning westerly from the afternoon as the cold front crosses coastal waters. Winds will remain westerly from Thursday to Friday, with a second cold front crossing coastal waters late Friday bringing strong southwesterly winds in its wake. Winds will weaken from Sunday as a ridge builds over the NSW coast.
Montague Island Temperature Statistics View More
August Temperature
Montague Island Lighthouse (0km)
Lowest 17 August, 2025
7.8 °CAverage August
13.4 °CHighest 5 August, 2025
18.9 °C
Climate (2020–Present)
Montague Island Lighthouse (0km)
Average Low 2020–2025
14.7 °CAverage 2020–2025
17 °CAverage High 2020–2025
19.9 °C