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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 5:30 am EST on Wednesday 11 September 2024
for the period until midnight EST Friday 13 September 2024.

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 cold front will cross Tasmania on Wednesday morning. A high builds over the Bight later on Wednesday and directs a ridge across Tasmania through Thursday. Another cold front is expected to cross Tasmania on Friday morning, bringing a colder southerly stream.

Central Coast: Cape Otway to Wilsons Promontory

Forecast for Wednesday 11 September until midnight

Strong Wind Warning for Wednesday for Central Coast

Winds: Northwesterly 10 to 15 knots turning southwesterly 15 to 25 knots in the late morning. Winds reaching up to 30 knots in the far east in the evening. Seas: Below 1 metre, increasing to 1 to 2 metres around midday. Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the west. Weather: Cloudy. 60% chance of showers. The chance of a thunderstorm this afternoon.

Forecast for Thursday 12 September

Winds: South to southwesterly 15 to 20 knots tending west to southwesterly during the morning and early afternoon. Seas: 1.5 to 2 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres by early evening. Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres in the west. Weather: Partly cloudy.

Forecast for Friday 13 September

Winds: Westerly 15 to 20 knots turning southwesterly during the evening. Seas: 1 to 1.5 metres. Swell: Southwesterly 2 to 3 metres. Weather: Cloudy. 70% chance of showers.

Central Gippsland Coast: Wilsons Promontory to Lakes Entrance

Forecast for Wednesday 11 September until midnight

Strong Wind Warning for Wednesday for Central Gippsland Coast

Winds: North to northwesterly 10 to 15 knots shifting southwesterly 15 to 25 knots in the early afternoon. Winds reaching up to 30 knots in the west in the evening. Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon, then increasing to 1.5 to 2 metres by early evening. Swell: West to southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm during this afternoon and evening.

Forecast for Thursday 12 September

Winds: Southwesterly 15 to 25 knots turning westerly 15 to 20 knots in the evening. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Swell: West to southwesterly 1 to 1.5 metres. Weather: Partly cloudy.

Forecast for Friday 13 September

Winds: Westerly 15 to 20 knots. Seas: 1.5 metres, increasing to 1.5 to 2 metres in the west. Swell: Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Partly cloudy. 60% chance of showers.

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

Forecast for Wednesday 11 September until midnight

Strong Wind Warning for Wednesday for East Gippsland Coast

Winds: North to northwesterly 10 to 15 knots becoming variable about 10 knots in the middle of the day then becoming south to southwesterly 15 to 25 knots in the late afternoon and reaching up to 30 knots at times. Seas: Around 1 metre, increasing to 1 to 1.5 metres later in the evening. Swell: Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Mostly sunny morning. 70% chance of showers late this afternoon and evening. The chance of a thunderstorm in the far west during this afternoon and evening.

Forecast for Thursday 12 September

Strong Wind Warning for Thursday for East Gippsland Coast

Winds: South to southwesterly 15 to 25 knots, reaching up to 30 knots in the far east early in the morning. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Swell: South to southwesterly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore. Weather: Partly cloudy. 70% chance of showers.

Forecast for Friday 13 September

Winds: West to southwesterly 15 to 25 knots. Seas: 1.5 to 2 metres. Swell: Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres in the far east. Weather: Cloudy. 70% chance of showers.

Far North West Coast: Sandy Cape to Stanley

Forecast for Wednesday 11 September until midnight

Strong Wind Warning for Wednesday for Far North West Coast

Winds: West to northwesterly 15 to 20 knots turning southwesterly 15 to 25 knots during the morning. Winds reaching up to 30 knots east of King Island in the late afternoon. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres around midday. Swell: Westerly 2 to 3 metres, tending southwesterly 2 to 3 metres during the morning. Weather: Cloudy. 80% chance of showers this morning.

Forecast for Thursday 12 September

Winds: Southwesterly 15 to 20 knots turning westerly in the late morning. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres around midday. Swell: Southwesterly 2 to 3 metres. Weather: Cloudy. 60% chance of showers.

Forecast for Friday 13 September

Winds: Westerly 15 to 25 knots turning southwesterly 15 to 20 knots during the evening. Seas: 1 to 2 metres. Swell: Southwesterly 2 to 3 metres, increasing to 3 to 4 metres south of King Island during the afternoon. Weather: Cloudy. 90% chance of showers, with possible hail in the evening.

Central North Coast: Stanley to Northern Tip of Flinders Island

Forecast for Wednesday 11 September until midnight

Strong Wind Warning for Wednesday for Central North Coast

Winds: Northwesterly 15 to 20 knots turning southwesterly in the early afternoon. Winds reaching up to 30 knots offshore in the evening. Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the afternoon. Swell: Westerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Cloudy. 50% chance of showers.

Forecast for Thursday 12 September

Winds: Southwesterly 15 to 20 knots turning westerly in the middle of the day. Seas: 1 to 2 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres by early evening. Swell: Westerly around 1 metre. Weather: Mostly sunny.

Forecast for Friday 13 September

Winds: Westerly 15 to 25 knots turning southwesterly 15 to 20 knots during the evening. Seas: 1.5 to 2 metres. Swell: Westerly around 1 metre. Weather: Partly cloudy.

Banks Strait and Franklin Sound

Forecast for Wednesday 11 September until midnight

Winds: Northwesterly 10 to 15 knots, reaching up 20 knots about Banks Strait in the morning. Winds shifting southerly 15 to 20 knots in the late afternoon. Seas: Around 1 metre, increasing to 1 to 1.5 metres about Banks Strait. Swell: Northwest to southwesterly around 1 metre. Weather: Partly cloudy. 80% chance of showers.

Forecast for Thursday 12 September

Winds: Southwesterly 10 to 15 knots tending westerly 15 to 20 knots in the middle of the day. Seas: Below 1 metre, increasing to 1 to 1.5 metres by early evening. Swell: Southerly below 1 metre, increasing to around 1 metre about Banks Strait. Weather: Sunny.

Forecast for Friday 13 September

Winds: Westerly 15 to 20 knots. Seas: 1 to 1.5 metres. Swell: Northwest to southwesterly below 1 metre. Weather: Partly cloudy. 50% chance of showers.

The next routine forecast will be issued at 5:15 pm EST 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.