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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 5:15 pm EDT on Tuesday 19 January 2021
for the period until midnight EDT Friday 22 January 2021.

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 system to the west extends a ridge over the state this evening. The ridge weakens on Wednesday as a trough forms over the state during the day, but redevelops over Tasmania as high pressure builds to the northeast in the evening. A weak trough from the mainland extends over Tasmania during Thursday with westerly winds establishing over the state on Friday. An embedded cold front passes the south of the state on Friday afternoon while a high pressure system forms to the northwest.

Central Coast: Cape Otway to Wilsons Promontory

Forecast for Tuesday 19 January until midnight

Winds: Southerly 10 to 15 knots, reaching up to 20 knots offshore. Seas: 1 to 1.5 metres. Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 4 metres in the west. Weather: Mostly clear.

Forecast for Wednesday 20 January

Winds: South to southeasterly 10 to 15 knots becoming east to southeasterly about 10 knots early in the morning then increasing to 10 to 15 knots in the evening. Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning. Swell: Southwesterly 2 to 3 metres, decreasing to 1 to 2 metres during the morning. Weather: Sunny.

Forecast for Thursday 21 January

Winds: East to southeasterly 10 to 15 knots tending east to northeasterly early in the morning then becoming variable about 10 knots in the middle of the day. Seas: Around 1 metre. Swell: Southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Weather: Sunny.

Forecast for Friday 22 January

Winds: Variable below 10 knots becoming southwesterly 10 to 15 knots before dawn and increasing to 15 to 20 knots from late morning. Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning. Swell: Southwesterly below 1 metre, increasing to 1 to 2 metres in the far west. Weather: Partly cloudy.

Central Gippsland Coast: Wilsons Promontory to Lakes Entrance

Forecast for Tuesday 19 January until midnight

Winds: Southwesterly 10 to 15 knots, reaching up to 20 knots inshore. Winds becoming variable about 10 knots in the late evening. Seas: 1 to 1.5 metres, decreasing to 1 metre by early evening. Swell: Southeasterly around 1 metre. Weather: Mostly clear.

Forecast for Wednesday 20 January

Winds: Variable about 10 knots becoming northeasterly 10 to 15 knots in the late evening. Seas: Below 1 metre. Swell: Southeasterly below 1 metre, increasing to 1 to 1.5 metres in the east during the morning. Weather: Sunny.

Forecast for Thursday 21 January

Winds: North to northeasterly 10 to 15 knots tending east to northeasterly below 10 knots during the morning. Seas: Below 1 metre. Swell: Southeasterly around 1 metre, increasing to 1 to 1.5 metres in the east. Weather: Mostly sunny.

Forecast for Friday 22 January

Winds: Northwesterly about 10 knots becoming west to southwesterly 15 to 25 knots early in the morning. Seas: Below 1 metre, increasing to 1 to 2 metres during the morning. Swell: East to southeasterly around 1 metre. Weather: Partly cloudy.

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

Forecast for Tuesday 19 January until midnight

Winds: South to southwesterly 10 to 15 knots, reaching up to 20 knots in the far east. Seas: 1 to 2 metres. Swell: Southerly 2 to 4 metres, increasing to 4 to 6 metres in the far east. Weather: Partly cloudy.

Forecast for Wednesday 20 January

Winds: Southeast to southwesterly 10 to 15 knots becoming variable about 10 knots in the middle of the day then becoming northeast to southeasterly 10 to 15 knots in the evening. Winds reaching up to 20 knots inshore in the evening. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. 1st Swell: Southerly 2 to 3 metres, increasing to 3 to 5 metres in the east. 2nd Swell: Southeasterly 1 to 1.5 metres, increasing to 1 to 2 metres during the morning. Weather: Partly cloudy.

Forecast for Thursday 21 January

Winds: Northeasterly 15 to 20 knots turning northerly 15 to 25 knots during the day. Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning. Swell: South to southeasterly 2 to 4 metres, decreasing to 1.5 to 2.5 metres during the afternoon. Weather: Sunny.

Forecast for Friday 22 January

Winds: Northerly 15 to 25 knots shifting west to southwesterly 15 to 20 knots during the morning. Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore. 1st Swell: South to southeasterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. 2nd Swell: Northeast to southeasterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore during the afternoon. Weather: Mostly sunny.

Far North West Coast: Sandy Cape to Stanley

Forecast for Tuesday 19 January until midnight

Winds: Southerly 15 to 25 knots. Seas: 1 to 2 metres. Swell: Southwesterly 1.5 to 2.5 metres, increasing to 4 metres south of King Island. Weather: Mostly clear.

Forecast for Wednesday 20 January

Winds: South to southeasterly 10 to 15 knots, reaching up to 20 knots east of King Island before dawn, becoming variable about 10 knots in the morning then becoming southwest to southeasterly 5 to 15 knots from late afternoon. Seas: 1 to 2 metres, decreasing to 1 metre during the morning. 1st Swell: Southwesterly 2 to 4 metres, decreasing to 2 to 3 metres during the morning, then to 1 to 2 metres around midday. 2nd Swell: Southerly 1 to 1.5 metres, increasing to 1 to 2 metres for a period during the morning. Weather: Sunny.

Forecast for Thursday 21 January

Winds: South to southeasterly 10 to 15 knots tending northeast to southeasterly early in the morning then becoming variable about 10 knots in the early afternoon. Seas: Around 1 metre. 1st Swell: Southwesterly 1 to 1.5 metres. 2nd Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Weather: Mostly sunny.

Forecast for Friday 22 January

Winds: Westerly 10 to 15 knots turning southwesterly 15 to 20 knots during the day. Seas: Below 1 metre, increasing to 1 to 2 metres during the morning. Swell: Southwesterly 1 to 1.5 metres, increasing to 2 to 3 metres during the afternoon. Weather: Partly cloudy.

Central North Coast: Stanley to Northern Tip of Flinders Island

Forecast for Tuesday 19 January until midnight

Winds: Southeast to southwesterly 10 to 15 knots. Seas: Below 1 metre. Swell: Westerly below 1 metre. Weather: Clear.

Forecast for Wednesday 20 January

Winds: Variable 5 to 15 knots tending west to northwesterly in the middle of the day. Winds reaching up to 20 knots inshore during the afternoon and evening. Seas: Below 1 metre. Swell: Westerly below 1 metre. Weather: Sunny.

Forecast for Thursday 21 January

Winds: West to northwesterly 10 to 15 knots tending northwest to northeasterly before dawn. Seas: Below 1 metre. Swell: Westerly below 1 metre. Weather: Sunny.

Forecast for Friday 22 January

Winds: Westerly 20 to 30 knots. Seas: Around 1 metre, increasing to 1.5 to 2.5 metres during the morning. Swell: Below 0.5 metres. Weather: Partly cloudy.

Banks Strait and Franklin Sound

Forecast for Tuesday 19 January until midnight

Winds: Variable about 10 knots. Seas: Below 0.5 metres, increasing to below 1 metre about Banks Strait. Swell: South to southeasterly 1 to 2 metres. Weather: Partly cloudy.

Forecast for Wednesday 20 January

Winds: West to northwesterly 5 to 15 knots, becoming variable about 10 knots for a period in the morning. Seas: Below 1 metre. 1st Swell: Southeasterly 1 to 1.5 metres, increasing to 2 to 3 metres about Banks Strait. 2nd Swell: Southeasterly around 1 metre. Weather: Sunny.

Forecast for Thursday 21 January

Winds: West to northwesterly about 10 knots tending north to northwesterly 10 to 15 knots in the middle of the day. Seas: Below 1 metre. Swell: Southeasterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres about Banks Strait. Weather: Sunny.

Forecast for Friday 22 January

Winds: Westerly 15 to 25 knots. Seas: Below 1 metre, increasing to 1 to 2 metres during the morning. Swell: Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning. Weather: Partly cloudy.

The next routine forecast will be issued at 5:30 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.