Pirates Bay Weather Forecast
- 9
- 20
Partly cloudy
- 13
- 20
Shower or two
- 8
- 12
Showers
- 6
- 13
Showers easing
- 8
- 15
Partly cloudy
- 8
- 18
Partly cloudy
- 12
- 21
Mostly sunny
Today 13 Sep South East
Partly cloudy. Slight chance of a shower. Winds north to northwesterly 15 to 20 km/h tending west to northwesterly 15 to 25 km/h before dawn then tending north to northwesterly 20 to 30 km/h in the early morning. Overnight temperatures falling to between 3 and 8 with daytime temperatures reaching between 18 and 23.
Lower East Coastal Waters
Wineglass Bay to Tasman Island- Wind
- Northwesterly 10 to 15 knots turning northerly 15 to 20 knots during the morning. Winds reaching up to 25 knots offshore in the evening.
- Seas
- Around 1 metre, increasing to 1 to 2 metres during the afternoon.
- 1st Swell
- South to southwesterly 2 to 3 metres, decreasing to 1.5 to 2 metres later in the evening.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system off the NSW coast is slowly moving over the Tasman Sea, with light winds over Tasmania expected to turn northwesterly as the high moves further offshore. A weak trough is expected to cross Tasmania late today. A cold front is then expected to approach the state from the west on Monday, crossing Tasmania overnight. A southwesterly flow will establish over Tasmania from Tuesday, as a high in the Bight extends a ridge over the state on Wednesday.
Pirates Bay Temperature Statistics View More
September Temperature
Tasman Island (25km)
Lowest 9 September, 2026
4.4 °CAverage September
10.2 °CHighest 1 September, 2026
15.9 °C
Climate (2021–2026)
Tasman Island (25km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
11.6 °CAverage High 2021–2026
14.6 °C