Australian Government

Bureau of Meteorology


Coastal Waters Forecast 

Marine (lite) Home

IDT15123

Australian Government Bureau of Meteorology
Tasmania

Coastal Waters Forecast
Bass Strait and Approaches

Issued at 10:00 pm EST on Saturday 29 August 2026
for the period until midnight EST Tuesday 1 September 2026.

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 high pressure ridge extending across the north will persist into the new week with the high pressure centre drifting into the Tasman Sea late Monday. A strong cold front is expected to approach from the west, crossing Tasmania on Tuesday, followed by strong westerly flow.

Central Coast: Cape Otway to Wilsons Promontory

Forecast for Saturday 29 August until midnight

Winds: Westerly 15 to 20 knots, reaching up to 25 knots in the far east in the late afternoon. Winds turning southwesterly in the evening. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres in the far east. Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2.5 metres in the west. Weather: Cloudy.

Forecast for Sunday 30 August

Winds: West to southwesterly 15 to 20 knots, reaching up to 25 knots in the far east early in the morning. Seas: 1 to 1.5 metres, increasing to 1 to 2 metres in the far east. Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the far west. Weather: Cloudy.

Forecast for Monday 31 August

Winds: Southwesterly 15 to 20 knots tending westerly 10 to 15 knots before dawn then becoming variable about 10 knots in the late afternoon. Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning. Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the west. Weather: Cloudy.

Forecast for Tuesday 1 September

Winds: Northerly 10 to 15 knots turning west to northwesterly 20 to 25 knots during the day. Seas: Below 1 metre, increasing to 1 to 2 metres during the morning. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Becoming cloudy. 95% chance of showers.

Central Gippsland Coast: Wilsons Promontory to Lakes Entrance

Forecast for Saturday 29 August until midnight

Strong Wind Warning for Saturday for Central Gippsland Coast

Winds: Westerly 20 to 25 knots, reaching up to 30 knots offshore during the afternoon and evening. Seas: 2 to 2.5 metres. Swell: West to southwesterly around 1 metre. Weather: Cloudy.

Forecast for Sunday 30 August

Strong Wind Warning for Sunday for Central Gippsland Coast

Winds: Westerly 20 to 25 knots, reaching up to 30 knots offshore early in the morning and again in the evening. Seas: 1.5 to 2.5 metres. Swell: Southwesterly around 1 metre. Weather: Cloudy.

Forecast for Monday 31 August

Winds: Westerly 15 to 25 knots becoming variable 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 by early evening. Swell: Southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore by early evening. Weather: Cloudy.

Forecast for Tuesday 1 September

Winds: Northerly 10 to 15 knots turning northwesterly 20 to 30 knots during the day. Seas: Around 1 metre, increasing to 1 to 2 metres during the afternoon. Swell: West to southwesterly around 1 metre, increasing to 1 to 1.5 metres in the west. Weather: Mostly sunny. 70% chance of showers.

East Gippsland Coast: Lakes Entrance to 60nm east of Gabo Island

Forecast for Saturday 29 August until midnight

Strong Wind Warning for Saturday for East Gippsland Coast

Winds: West to southwesterly 25 to 30 knots. Seas: 2 to 2.5 metres. Swell: Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres in the far east. Weather: Partly cloudy.

Forecast for Sunday 30 August

Strong Wind Warning for Sunday for East Gippsland Coast

Winds: Westerly 20 to 30 knots. Seas: 2 to 2.5 metres. Swell: Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres in the east. Weather: Cloudy.

Forecast for Monday 31 August

Winds: Westerly 15 to 25 knots tending west to southwesterly 10 to 15 knots in the late afternoon then becoming variable about 10 knots in the late evening. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres around midday, then decreasing to 1 metre by early evening. Swell: South to southwesterly 1 to 1.5 metres, increasing to 2 to 2.5 metres in the east. Weather: Cloudy.

Forecast for Tuesday 1 September

Winds: North to northwesterly 15 to 25 knots. Seas: Below 1 metre, increasing to 1 to 1.5 metres offshore during the morning. Swell: Southerly 1 to 1.5 metres, increasing to 1 to 2 metres in the far east. Weather: Mostly sunny.

Far North West Coast: Sandy Cape to Stanley

Forecast for Saturday 29 August until midnight

Winds: Southwesterly 15 to 20 knots. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres east of King Island. Swell: Southwesterly 2 to 3 metres. Weather: Cloudy.

Forecast for Sunday 30 August

Winds: West to southwesterly 15 to 20 knots, reaching up to 25 knots east of King Island during the afternoon and evening. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres east of King Island. Swell: Southwesterly 1.5 to 2.5 metres, increasing to 3 to 4 metres south of King Island. Weather: Cloudy.

Forecast for Monday 31 August

Winds: West to southwesterly 15 to 20 knots turning north to northwesterly 10 to 15 knots during the afternoon and evening. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: Southwesterly 2 to 3 metres, increasing to 3 to 4 metres south of King Island. Weather: Cloudy.

Forecast for Tuesday 1 September

Winds: North to northwesterly 20 to 30 knots turning westerly during the afternoon. Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning. Swell: Southwesterly 2 to 3 metres, increasing to 2.5 to 4 metres south of King Island. Weather: Partly cloudy. Near 100% chance of showers.

Central North Coast: Stanley to Northern Tip of Flinders Island

Forecast for Saturday 29 August until midnight

Strong Wind Warning for Saturday for Central North Coast

Winds: Westerly 20 to 25 knots, reaching up to 30 knots offshore. Seas: 2 to 2.5 metres. Swell: Westerly below 1 metre. Weather: Partly cloudy.

Forecast for Sunday 30 August

Strong Wind Warning for Sunday for Central North Coast

Winds: Westerly 20 to 30 knots decreasing to 20 to 25 knots in the morning then increasing to 20 to 30 knots in the late afternoon. Seas: 1.5 to 2.5 metres. Swell: Westerly below 1 metre. Weather: Partly cloudy.

Forecast for Monday 31 August

Winds: Westerly 15 to 25 knots decreasing to 10 to 15 knots in the late evening. Seas: 1 to 2 metres. Swell: Westerly around 1 metre offshore. Weather: Partly cloudy.

Forecast for Tuesday 1 September

Winds: Northwesterly 15 to 20 knots increasing to 20 to 30 knots during the day then turning westerly during the evening. Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the afternoon. Swell: Westerly around 1 metre offshore. Weather: Becoming cloudy. 95% chance of showers.

Banks Strait and Franklin Sound

Forecast for Saturday 29 August until midnight

Strong Wind Warning for Saturday for Banks Strait and Franklin Sound

Winds: Westerly 25 to 30 knots. Seas: 2 to 2.5 metres. Swell: Southerly below 1 metre. Weather: Clear.

Forecast for Sunday 30 August

Strong Wind Warning for Sunday for Banks Strait and Franklin Sound

Winds: Westerly 15 to 25 knots, reaching up to 30 knots early in the morning. Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres during the afternoon. Swell: Northwest to southwesterly below 1 metre. Weather: Sunny.

Forecast for Monday 31 August

Winds: Westerly 15 to 25 knots. Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore. Swell: Southeast to southwesterly below 1 metre, increasing to around 1 metre about Banks Strait. Weather: Partly cloudy.

Forecast for Tuesday 1 September

Winds: Westerly 15 to 20 knots turning northwesterly 20 to 30 knots during the morning. Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the afternoon. Swell: South to southeasterly below 1 metre. Weather: Partly cloudy. 90% chance of showers.

The next routine forecast will be issued at 4:30 am EST Sunday.

* 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.