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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 10:00 pm EST on Monday 21 April 2025
for the period until midnight EST Thursday 24 April 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 ridge of high pressure extends to the south of the state today from a high centre over the Bight. The high moves over Tasmania during Tuesday, before moving further east over the Tasman Sea on Wednesday. A cold front approaches from the west on Thursday.

Central Coast: Cape Otway to Wilsons Promontory

Forecast for Monday 21 April until midnight

Strong Wind Warning for Monday for Central Coast

Winds: South to southwesterly 20 to 25 knots, reaching up to 30 knots offshore. Seas: 1.5 to 2 metres. Swell: Southwesterly 2 metres. Weather: Partly cloudy.

Forecast for Tuesday 22 April

Winds: Southerly 15 to 20 knots, reaching up to 25 knots offshore during the early morning. Winds turning easterly 10 to 15 knots in the early afternoon. Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the west. Weather: Cloudy.

Forecast for Wednesday 23 April

Winds: Easterly 15 to 25 knots. Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore during the morning. Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the far west. Weather: Partly cloudy.

Forecast for Thursday 24 April

Winds: Northeasterly 15 to 20 knots turning north to northwesterly 10 to 15 knots during the day. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres in the far west. Weather: Mostly sunny. 50% chance of showers.

Central Gippsland Coast: Wilsons Promontory to Lakes Entrance

Forecast for Monday 21 April until midnight

Winds: South to southwesterly 10 to 15 knots, reaching up to 20 knots in the east in the evening. Seas: Around 1 metre, increasing to 1 to 1.5 metres inshore. Swell: West to southwesterly below 1 metre, increasing to 1 to 1.5 metres in the west later in the evening. Weather: Partly cloudy.

Forecast for Tuesday 22 April

Winds: South to southwesterly 15 to 20 knots turning southeasterly early in the morning. Winds reaching up to 25 knots in the east in the late morning. Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore during the morning. 1st Swell: West to southwesterly 1 to 1.5 metres, decreasing to around 1 metre by early evening. 2nd Swell: Southeasterly around 1 metre, increasing to 1 to 1.5 metres in the east by early evening. Weather: Partly cloudy.

Forecast for Wednesday 23 April

Winds: Easterly 15 to 20 knots turning northeasterly in the late evening. Seas: 1 to 1.5 metres. 1st Swell: West to southwesterly around 1 metre. 2nd Swell: East to southeasterly around 1 metre. Weather: Partly cloudy.

Forecast for Thursday 24 April

Winds: Northeasterly 15 to 20 knots turning northerly 10 to 15 knots during the evening. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Swell: Easterly around 1 metre. Weather: Mostly sunny.

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

Forecast for Monday 21 April until midnight

Winds: Southerly 15 to 20 knots. Seas: 1 to 1.5 metres. Swell: Southwesterly below 1 metre. Weather: Partly cloudy. 50% chance of showers. The chance of a thunderstorm in the east.

Forecast for Tuesday 22 April

Strong Wind Warning for Tuesday for East Gippsland Coast

Winds: Southerly 15 to 20 knots turning southeasterly 15 to 25 knots early in the morning. Winds reaching up to 30 knots offshore during the late morning. Seas: 1 to 2 metres. 1st Swell: Southerly around 1 metre, increasing to 1 to 1.5 metres during the morning, then tending south to southeasterly 1.5 to 2 metres later in the evening. 2nd Swell: Northeast to southeasterly below 1 metre, increasing to 1 to 1.5 metres in the far west by early evening. Weather: Partly cloudy. 60% chance of showers.

Forecast for Wednesday 23 April

Winds: East to southeasterly 15 to 20 knots tending east to northeasterly during the day. Seas: 1 to 1.5 metres. 1st Swell: Southerly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre by early evening. 2nd Swell: East to southeasterly around 1 metre, increasing to 1 to 1.5 metres in the far east during the morning. Weather: Partly cloudy.

Forecast for Thursday 24 April

Winds: Northeasterly 15 to 25 knots. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres in the far east during the morning. 1st Swell: Northeast to southeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. 2nd Swell: Southerly around 1 metre. Weather: Mostly sunny.

Far North West Coast: Sandy Cape to Stanley

Forecast for Monday 21 April until midnight

Strong Wind Warning for Monday for Far North West Coast

Winds: Southerly 20 to 25 knots, reaching up to 30 knots east of King Island. Seas: 1.5 to 2.5 metres. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Cloudy.

Forecast for Tuesday 22 April

Strong Wind Warning for Tuesday for Far North West Coast

Winds: Southerly 15 to 25 knots, reaching up to 30 knots east of King Island early in the morning. Winds turning east to southeasterly 10 to 15 knots during the afternoon and evening. Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres around midday. Swell: Southwesterly 2 to 3 metres. Weather: Partly cloudy.

Forecast for Wednesday 23 April

Winds: Easterly 10 to 15 knots turning northeasterly 15 to 25 knots during the day. Seas: Around 1 metre, increasing to 1 to 2 metres around midday. Swell: Southwesterly 2 to 3 metres. Weather: Partly cloudy.

Forecast for Thursday 24 April

Winds: Northeasterly 15 to 25 knots turning north to northwesterly 15 to 20 knots during the day. Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Mostly sunny. 60% chance of showers.

Central North Coast: Stanley to Northern Tip of Flinders Island

Forecast for Monday 21 April until midnight

Winds: West to southwesterly 15 to 20 knots tending southeast to southwesterly in the late evening. Seas: Around 1 metre. Swell: Westerly around 1 metre offshore. Weather: Mostly clear.

Forecast for Tuesday 22 April

Winds: East to southeasterly 15 to 20 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore. Swell: Westerly 1 to 1.5 metres offshore, decreasing to around 1 metre during the morning. Weather: Cloudy.

Forecast for Wednesday 23 April

Winds: Easterly 15 to 20 knots turning northeasterly in the late evening. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore. Swell: Westerly below 1 metre. Weather: Partly cloudy.

Forecast for Thursday 24 April

Winds: Northeasterly 15 to 20 knots turning northerly during the morning. Seas: 1 to 1.5 metres. Swell: Northeasterly below 1 metre. Weather: Partly cloudy. 60% chance of showers.

Banks Strait and Franklin Sound

Forecast for Monday 21 April until midnight

Winds: South to southeasterly 15 to 20 knots, reaching up to 25 knots offshore. Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore. Swell: West to northwesterly below 0.5 metres. Weather: Partly cloudy.

Forecast for Tuesday 22 April

Strong Wind Warning for Tuesday for Banks Strait and Franklin Sound

Winds: Southeasterly 15 to 25 knots, reaching up to 30 knots about Banks Strait during the early morning. Seas: 1 to 2 metres. Swell: Southeast to southwesterly below 1 metre. Weather: Partly cloudy.

Forecast for Wednesday 23 April

Winds: East to southeasterly 10 to 15 knots tending east to northeasterly below 10 knots in the early afternoon. Seas: Around 1 metre. 1st Swell: Northwest to southwesterly around 1 metre. 2nd Swell: East to southeasterly around 1 metre. Weather: Partly cloudy.

Forecast for Thursday 24 April

Winds: Northeasterly 10 to 15 knots turning northerly during the morning. Seas: Around 1 metre. Swell: East to northeasterly below 1 metre. Weather: Partly cloudy. 50% chance of showers.

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

* 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.