BoM Inner Sister Island Marine Weather Forecast

Mean Sea Level Prognosis Charts

Mean Sea Level Prognosis Charts

Other TAS Coastal Waters Forecasts

Forecast for Saturday, 20 June
Weather: Cloudy. 60% chance of showers. The chance of a thunderstorm offshore in the early morning.
Winds: South to southeasterly 15 to 25 knots, reaching up to 30 knots during the morning. Winds decreasing to 10 to 15 knots in the evening.
Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres by early evening.
Swell: Easterly below 1 metre.
Forecast for Sunday, 21 June
Weather: Mostly sunny.
Winds: Southerly 10 to 15 knots decreasing to about 10 knots in the early morning.
Seas: Below 1 metre.
Swell: Easterly below 1 metre.
Forecast for Monday, 22 June
Weather: Mostly sunny.
Winds: Southwesterly below 10 knots tending westerly 15 to 20 knots during the morning.
Seas: Below 0.5 metres, increasing to around 1 metre during the afternoon or evening.
Swell: Southerly below 1 metre.

Forecast for Saturday, 20 June
Weather: Cloudy. 50% chance of showers this morning.
Winds: Southeasterly 15 to 20 knots, reaching up to 25 knots offshore during the morning and early afternoon.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning, then decreasing to 1 metre by early evening.
Swell: Westerly around 1 metre.
Forecast for Sunday, 21 June
Weather: Mostly sunny.
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Forecast for Monday, 22 June
Weather: Partly cloudy. 60% chance of showers.
Winds: Variable about 10 knots becoming westerly 15 to 20 knots during the day.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the evening.
Swell: Westerly below 1 metre.

Forecast for Saturday, 20 June
Weather: Cloudy. 50% chance of showers.
Winds: Southerly 15 to 25 knots decreasing to about 10 knots in the evening.
Seas: 1.5 to 2.5 metres, decreasing to 1 metre around midday.
Swell: Southwesterly 2.5 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Forecast for Sunday, 21 June
Weather: Cloudy.
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Monday, 22 June
Weather: Cloudy. 95% chance of showers.
Winds: Northwesterly 15 to 25 knots increasing to 20 to 30 knots during the evening.
Seas: Around 1 metre, increasing to 1.5 to 2.5 metres during the morning.
Swell: Southwesterly 2.5 to 3 metres.

Forecast for Saturday, 20 June
Weather: Cloudy. 80% chance of showers. The chance of a thunderstorm in the early morning.
Winds: South to southeasterly 15 to 25 knots, reaching up to 30 knots during the morning. Winds decreasing to 10 to 15 knots in the late evening.
Seas: 1.5 to 2.5 metres.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. Northeasterly around 1 metre.
Forecast for Sunday, 21 June
Weather: Partly cloudy. 60% chance of showers.
Winds: Southerly 10 to 15 knots, reaching up to 20 knots offshore early in the morning. Winds decreasing to below 10 knots in the evening.
Seas: Around 1 metre.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Monday, 22 June
Weather: Partly cloudy. 50% chance of showers.
Winds: South to southwesterly about 10 knots tending westerly 15 to 20 knots during the afternoon.
Seas: Below 0.5 metres, increasing to around 1 metre during the afternoon.
Swell: Southerly around 1 metre.

Forecast for Saturday, 20 June
Weather: Cloudy.
Winds: Southerly 15 to 25 knots, reaching up to 30 knots during the morning. Winds decreasing to 10 to 15 knots in the evening.
Seas: 2 to 3 metres, decreasing to 1 to 1.5 metres around midday, then decreasing to 1 metre by early evening.
Swell: Southwesterly 2 to 3 metres, increasing to 3 to 4 metres south of King Island.
Forecast for Sunday, 21 June
Weather: Cloudy.
Winds: Southerly 10 to 15 knots becoming variable below 10 knots in the late afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 2 metres, increasing to 2.5 to 3 metres south of King Island.
Forecast for Monday, 22 June
Weather: Cloudy. 80% chance of showers.
Winds: West to northwesterly about 10 knots increasing to 15 to 25 knots during the morning.
Seas: Below 1 metre, increasing to 1 to 2 metres during the afternoon.
Swell: Southwesterly 1.5 to 2.5 metres.

Forecast for Saturday, 20 June
Weather: Cloudy. 60% chance of showers.
Winds: Southerly 15 to 25 knots, reaching up to 30 knots early in the morning. Winds decreasing to about 10 knots in the late evening.
Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre during the afternoon.
Swell: South to southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore. Northeasterly around 1 metre.
Forecast for Sunday, 21 June
Weather: Partly cloudy. 50% chance of showers.
Winds: Southwesterly 10 to 15 knots becoming variable about 10 knots in the late afternoon.
Seas: Below 1 metre.
Swell: South to southwesterly 1.5 to 2.5 metres.
Forecast for Monday, 22 June
Weather: Mostly sunny.
Winds: Variable below 10 knots becoming northwesterly 15 to 20 knots during the morning.
Seas: Below 0.5 metres, increasing to around 1 metre during the morning.
Swell: South to southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore.

Forecast for Saturday, 20 June
Weather: Cloudy. 60% chance of showers.
Winds: Southerly 15 to 20 knots turning southwesterly 10 to 15 knots during the morning.
Seas: 1 to 1.5 metres, decreasing below 1 metre around midday.
Swell: Southwesterly 3 metres.
Forecast for Sunday, 21 June
Weather: Cloudy. 50% chance of showers.
Winds: Southwesterly 10 to 15 knots turning westerly during the day.
Seas: Around 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Monday, 22 June
Weather: Partly cloudy. 60% chance of showers.
Winds: Northwesterly 15 to 25 knots increasing to 20 to 30 knots during the evening.
Seas: Around 1 metre, increasing to 1.5 to 2.5 metres offshore during the afternoon.
Swell: Southwesterly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore.

Forecast for Saturday, 20 June
Weather: Cloudy. 60% chance of showers.
Winds: South to southwesterly 15 to 20 knots tending west to southwesterly 10 to 15 knots during the day.
Seas: 1 to 1.5 metres, decreasing below 1 metre around midday.
Swell: Southwesterly 3 to 4 metres, decreasing to 3 metres during the morning.
Forecast for Sunday, 21 June
Weather: Cloudy.
Winds: Westerly 10 to 15 knots turning northwesterly in the evening.
Seas: Around 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Monday, 22 June
Weather: Cloudy. 95% chance of showers.
Winds: Northwesterly 15 to 25 knots increasing to 25 to 30 knots during the afternoon.
Seas: 1 to 1.5 metres, increasing to 2 to 3 metres during the morning.
Swell: West to southwesterly 2.5 to 3 metres inshore, increasing to 2.5 to 4 metres offshore.

Forecast for Saturday, 20 June
Weather: Cloudy. 60% chance of showers.
Winds: Southerly 15 to 25 knots, reaching up to 30 knots during the morning. Winds decreasing to 10 to 15 knots in the late afternoon.
Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon.
Swell: Southerly 1 to 1.5 metres, increasing to 1 to 2 metres around midday. Northeasterly around 1 metre.
Forecast for Sunday, 21 June
Weather: Cloudy. 50% chance of showers.
Winds: Southerly 10 to 15 knots decreasing to below 10 knots in the early afternoon.
Seas: Below 1 metre.
Swell: Southerly around 1 metre inshore, increasing to 1 to 2 metres offshore.
Forecast for Monday, 22 June
Weather: Mostly sunny.
Winds: Variable below 10 knots becoming northwesterly 10 to 15 knots during the day.
Seas: Below 0.5 metres, increasing to around 1 metre during the afternoon or evening.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Flinders Island
N
7 kn SSE
· 11 °C
Warnings
No warnings within 100 km.
State Wide
Temperature
Inner Sister Island
11 °C 14 °C 12pm 7 °C 11pm
↓ Cooling
Now: 11 °C
Tides
Inner Sister Island
2:15am 2.16m 8:41am 0.20m
↓ Falling
Current: 0.31m
Weather Now for Inner Sister Island
Showers.
11 °C
Feels like 8 °C
Wind
7 kn SSE
Humidity
89%
Pressure
1016 hPa
At Flinders Island
Nearby Wind
50 km radius
N S W E 7 kn Flinders Island
Inner Sister Island
7 kn SSE
Recent Locations
Inner Sister Island
7 kn SSE
11°
Irrewillipe
12 kn SW
Sun
7:29am rise 4:50pm set
9 h 21 m of daylight
Now: 7:42am
6 seconds less than yesterday
Moon
11:16am rise 10:42pm set
28% illuminated
Waxing Crescent
Live Weather
Nearby
Flinders Island, TAS
7 kn SSE
11°
Windiest in Australia
Larapuna (Eddystone Point), TAS
35 kn S
11°
Most Windless in Australia
Perth (Coastal), WA
Calm
Hottest in Australia
Cocos Island, WA
3 kn SE
27°
Coldest in Australia
Mount Wellington, TAS
24 kn SSW
-2°
Wettest in Australia
Parawa, SA
45.4 mm
Return To Classic site 😭
Or... let us know if a problem, so we can tweak! 😅