Australian Government

Bureau of Meteorology


Coastal Waters Forecast 

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IDT15123

Australian Government Bureau of Meteorology
Tasmania

Coastal Waters Forecast
Bass Strait and Approaches

Issued at 10:00 pm EDT on Tuesday 18 November 2025
for the period until midnight EDT Friday 21 November 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 series of cold fronts are forecast to pass over the state in a persistent west to southwesterly flow on the eastern flank of a high pressure system to the west. The flow will ease later this week as the high pressure system moves closer to Tasmania and extends a ridge over the state on Friday. The ridge is expected to move southeast at the weekend.

Central Coast: Cape Otway to Wilsons Promontory

Forecast for Tuesday 18 November until midnight

Strong Wind Warning for Tuesday for Central Coast

Winds: Westerly 20 to 25 knots, reaching up to 30 knots offshore during the afternoon and evening. Seas: 1.5 to 2.5 metres. Swell: West to southwesterly 2 to 2.5 metres. Weather: Partly cloudy.

Forecast for Wednesday 19 November

Strong Wind Warning for Wednesday for Central Coast

Winds: Westerly 15 to 25 knots, reaching up to 30 knots in the far east in the late morning and early afternoon. Seas: 1.5 to 2 metres. Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the west. Weather: Partly cloudy. 60% chance of showers.

Forecast for Thursday 20 November

Winds: West to southwesterly 15 to 25 knots tending south to southwesterly 10 to 15 knots during the day. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Swell: Southwesterly 2 to 2.5 metres, increasing to 3 to 4 metres in the far west. Weather: Partly cloudy.

Forecast for Friday 21 November

Winds: Southerly 10 to 15 knots turning southeasterly during the day. Seas: Around 1 metre. Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the west. Weather: Cloudy.

Central Gippsland Coast: Wilsons Promontory to Lakes Entrance

Forecast for Tuesday 18 November until midnight

Strong Wind Warning for Tuesday for Central Gippsland Coast

Winds: Westerly 15 to 25 knots, reaching up to 30 knots offshore during the afternoon and evening. Seas: 1.5 to 2.5 metres. Swell: West to southwesterly below 1 metre inshore, increasing to 1.5 metres offshore. Weather: Partly cloudy.

Forecast for Wednesday 19 November

Strong Wind Warning for Wednesday for Central Gippsland Coast

Winds: Westerly 15 to 25 knots, reaching up to 30 knots in the west in the late morning and early afternoon. Seas: 1 to 2 metres. Swell: West to southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Weather: Partly cloudy.

Forecast for Thursday 20 November

Winds: Westerly 15 to 20 knots turning southwesterly in the morning. Seas: 1 to 1.5 metres. Swell: West to southwesterly 1 to 1.5 metres, decreasing to around 1 metre by early evening. Weather: Partly cloudy.

Forecast for Friday 21 November

Winds: Southwesterly 10 to 15 knots becoming variable about 10 knots during the morning. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: Southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Partly cloudy.

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

Forecast for Tuesday 18 November until midnight

Winds: Northwest to southwesterly 15 to 25 knots. Seas: Below 1 metre, increasing to 1 to 2 metres offshore. Swell: West to southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore. Weather: Partly cloudy.

Forecast for Wednesday 19 November

Winds: West to southwesterly 15 to 20 knots tending south to southwesterly in the late afternoon then tending west to southwesterly 10 to 15 knots in the late evening. Seas: Below 1 metre, increasing to 1 to 2 metres offshore. Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore. Weather: Partly cloudy.

Forecast for Thursday 20 November

Winds: Southwesterly 15 to 20 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres around midday. Swell: Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Cloudy. 60% chance of showers.

Forecast for Friday 21 November

Winds: Southwesterly 10 to 15 knots becoming variable about 10 knots during the morning then becoming east to northeasterly 10 to 15 knots during the evening. Seas: Around 1 metre. Swell: Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Partly cloudy.

Far North West Coast: Sandy Cape to Stanley

Forecast for Tuesday 18 November until midnight

Winds: Westerly 15 to 20 knots, reaching up to 25 knots east of King Island. Seas: 1.5 to 2 metres. Swell: Southwesterly 2 to 3 metres, increasing to 4 metres south of King Island. Weather: Partly cloudy.

Forecast for Wednesday 19 November

Strong Wind Warning for Wednesday for Far North West Coast

Winds: Westerly 15 to 25 knots, reaching up to 30 knots in the late morning and afternoon. Seas: 1.5 to 2.5 metres. Swell: Southwesterly 2 to 3 metres, increasing to 3 to 4 metres south of King Island. Weather: Cloudy. 70% chance of showers, with possible small hail south of King Island in the afternoon and evening.

Forecast for Thursday 20 November

Winds: Westerly 20 to 25 knots turning southwesterly 15 to 20 knots before dawn. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Swell: Southwesterly 2 to 3 metres, increasing to 4 metres south of King Island. Weather: Mostly sunny.

Forecast for Friday 21 November

Winds: South to southwesterly 10 to 15 knots turning southeasterly during the evening. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: Southwesterly 2 to 3 metres, increasing to 2.5 to 4 metres south of King Island. Weather: Cloudy.

Central North Coast: Stanley to Northern Tip of Flinders Island

Forecast for Tuesday 18 November until midnight

Strong Wind Warning for Tuesday for Central North Coast

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

Forecast for Wednesday 19 November

Strong Wind Warning for Wednesday for Central North Coast

Winds: Westerly 20 to 25 knots, reaching up to 30 knots during the afternoon and evening. Seas: 1.5 to 2.5 metres. Swell: Westerly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Weather: Partly cloudy. 60% chance of showers.

Forecast for Thursday 20 November

Winds: West to southwesterly 15 to 25 knots. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Swell: Westerly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon. Weather: Mostly sunny.

Forecast for Friday 21 November

Winds: Southwesterly 15 to 20 knots becoming variable about 10 knots during the day. Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning. Swell: Westerly around 1 metre offshore. Weather: Sunny.

Banks Strait and Franklin Sound

Forecast for Tuesday 18 November until midnight

Strong Wind Warning for Tuesday for Banks Strait and Franklin Sound

Winds: Westerly 15 to 20 knots, reaching up to 30 knots about Banks Strait. Seas: 2 to 2.5 metres. Swell: West to northwesterly around 1 metre. Weather: Partly cloudy.

Forecast for Wednesday 19 November

Strong Wind Warning for Wednesday for Banks Strait and Franklin Sound

Winds: Westerly 20 to 30 knots decreasing to 15 to 25 knots before dawn then increasing to 20 to 30 knots in the early afternoon. Seas: 1.5 to 2.5 metres. Swell: West to northwesterly around 1 metre. Weather: Partly cloudy. 50% chance of showers.

Forecast for Thursday 20 November

Winds: Westerly 15 to 25 knots. Seas: 1 to 2 metres, decreasing to 1 metre during the morning. Swell: Northwest to southwesterly around 1 metre. Weather: Partly cloudy.

Forecast for Friday 21 November

Winds: Variable about 10 knots. Seas: Below 1 metre. Swell: Northwest to southwesterly below 1 metre. Weather: Mostly sunny.

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