Australian Government

Bureau of Meteorology


Coastal Waters Forecast 

Marine (lite) Home

IDT12330

Australian Government Bureau of Meteorology
Tasmania

Updated Coastal Waters Forecast for Tasmania
Northern Zones: Sandy Cape to St Helens Point

Issued at 7:56 am EDT on Wednesday 8 October 2025
for the period until midnight EDT Friday 10 October 2025.

Please be aware
Wind and wave forecasts are averages. Wind gusts can be 40 per cent stronger than the forecast, and stronger still in squalls and thunderstorms. Maximum waves can be twice the forecast height.

Warning Information

For latest warnings go to www.bom.gov.au, subscribe to RSS feeds, call 1300 659 210* or listen for warnings on relevant TV and radio broadcasts.

Weather Situation

A broad and slow moving area of low pressure, well to the south, is forecast to direct west to northwesterly winds over Tasmania until at least Friday. Embedded cold fronts are projected to move over Tasmania from the west early Thursday, and during the day Friday.

Far North West Coast: Sandy Cape to Stanley

Forecast for Wednesday 8 October until midnight

Gale Warning for Wednesday for Far North West Coast

Winds: Northwesterly 20 to 30 knots, reaching up to 35 knots south of King Island in the late morning. Seas: 2 to 3 metres. Swell: Westerly 2 to 3 metres, increasing to 4 to 5 metres south of King Island. Weather: Partly cloudy. 80% chance of showers.

Forecast for Thursday 9 October

Gale Warning for Thursday for Far North West Coast

Winds: Northwesterly 20 to 30 knots, reaching up to 35 knots offshore in the late morning and early afternoon. Seas: 1.5 to 2 metres, increasing to 2 to 3 metres during the morning. Swell: Westerly 2 to 4 metres, increasing to 5 to 6 metres south of King Island. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm south of King Island.

Forecast for Friday 10 October

Winds: Northwesterly 25 to 35 knots turning westerly 30 to 40 knots during the day. Seas: 2.5 to 3 metres, increasing to 3 to 4 metres during the morning. Swell: Westerly 2 to 4 metres, increasing to 6 to 7 metres south of King Island. Weather: Cloudy. 90% chance of showers.

Central North Coast: Stanley to Northern Tip of Flinders Island

Forecast for Wednesday 8 October until midnight

Strong Wind Warning for Wednesday for Central North Coast

Winds: Northwesterly 20 to 30 knots turning westerly 15 to 25 knots in the evening. Seas: 2 to 3 metres. Swell: Westerly 1 to 2 metres, decreasing to 1 to 1.5 metres around midday, then increasing to 1 to 2 metres during the afternoon. Weather: Partly cloudy. 60% chance of showers.

Forecast for Thursday 9 October

Gale Warning for Thursday for Central North Coast

Winds: Northwesterly 15 to 25 knots increasing to 20 to 30 knots in the early morning. Winds reaching up to 40 knots in the late morning and early afternoon. Seas: 1.5 to 2.5 metres, increasing to 2.5 to 4 metres during the morning. Swell: Westerly 1.5 to 2.5 metres. Weather: Partly cloudy. 80% chance of showers.

Forecast for Friday 10 October

Winds: Northwesterly 25 to 35 knots tending westerly 30 to 35 knots during the afternoon. Seas: 2 to 3 metres, increasing to 3 to 5 metres during the morning. Swell: Westerly 1 to 2 metres, increasing to 2 to 4 metres during the afternoon. Weather: Cloudy. 80% chance of showers.

East of Flinders Island: Northern Tip of Flinders Island to St Helens Point

Forecast for Wednesday 8 October until midnight

Strong Wind Warning for Wednesday for East of Flinders Island

Winds: Northwesterly 20 to 30 knots decreasing to 15 to 25 knots in the evening. Seas: 1.5 to 2.5 metres. Swell: Southerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Mostly sunny.

Forecast for Thursday 9 October

Gale Warning for Thursday for East of Flinders Island

Winds: Northwesterly 15 to 25 knots increasing to 20 to 30 knots in the morning. Winds reaching up to 35 knots offshore in the early afternoon. Seas: 1 to 2 metres, increasing to 2 to 3 metres during the morning. Swell: Southeast to southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Partly cloudy. 50% chance of showers.

Forecast for Friday 10 October

Winds: Northwesterly 25 to 40 knots turning westerly during the afternoon. Seas: 2 to 3 metres, increasing to 2.5 to 4 metres during the morning. Swell: Southeast to southwesterly below 1 metre inshore, increasing to 1 to 2 metres offshore. Weather: Partly cloudy.

Banks Strait and Franklin Sound

Forecast for Wednesday 8 October until midnight

Strong Wind Warning for Wednesday for Banks Strait and Franklin Sound

Winds: Northwesterly 20 to 30 knots. Winds turning westerly 15 to 25 knots in the evening. Seas: 1.5 to 2.5 metres. Swell: West to northwesterly 1 to 1.5 metres, decreasing to around 1 metre around midday. Weather: Partly cloudy.

Forecast for Thursday 9 October

Gale Warning for Thursday for Banks Strait and Franklin Sound

Winds: Northwesterly 15 to 25 knots increasing to 20 to 30 knots in the morning then decreasing to 20 to 25 knots in the late evening. Winds reaching up to 35 knots about Banks Strait in the early afternoon. Seas: 1 to 2 metres, increasing to 2 to 3 metres during the morning. Swell: West to northwesterly 1 to 1.5 metres, decreasing to around 1 metre during the morning, then increasing to 1 to 2 metres around midday. Weather: Partly cloudy. 70% chance of showers.

Forecast for Friday 10 October

Winds: Northwesterly 20 to 30 knots increasing to 30 to 35 knots during the day then tending westerly during the evening. Seas: 2 to 3 metres, increasing to 2.5 to 4 metres during the morning. Swell: Northwest to southwesterly 1 to 1.5 metres, tending west to northwesterly 1.5 to 2.5 metres during the afternoon or evening. Weather: Cloudy. 70% chance of showers.

The next routine forecast will be issued at 10:00 am EDT Wednesday.

* Calls to 1300 numbers cost around 27.5c incl. GST, higher from mobiles or public phones. Marine forecasts are also available on VHF and HF radio. View the radio schedule on www.bom.gov.au/marine

Check the latest Coastal Waters Forecasts for information on wind, wave and weather conditions for neighbouring coastal zones.