Australian Government

Bureau of Meteorology


Coastal Waters Forecast 

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IDT12331

Australian Government Bureau of Meteorology
Tasmania

Coastal Waters Forecast for Tasmania
Eastern Zones: Northern Tip of Flinders Island to Tasman Island

Issued at 4:00 am EDT on Sunday 18 January 2026
for the period until midnight EDT Tuesday 20 January 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 system centred over the southern Tasman Sea will persist into early next week. A trough will move across the state mid next week as another high develops west of Tasmania.

East of Flinders Island: Northern Tip of Flinders Island to St Helens Point

Forecast for Sunday 18 January until midnight

Winds: Easterly 15 to 20 knots, reaching up to 25 knots offshore during the day. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore. Swell: Easterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Partly cloudy.

Forecast for Monday 19 January

Winds: Easterly 15 to 20 knots, reaching up to 25 knots offshore early in the morning. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Swell: Easterly 1.5 to 2 metres, decreasing to 1.5 metres around midday, then increasing to 1.5 to 2 metres during the afternoon. Weather: Partly cloudy.

Forecast for Tuesday 20 January

Winds: Easterly 15 to 20 knots. Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon. Swell: Easterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Weather: Sunny.

Banks Strait and Franklin Sound

Forecast for Sunday 18 January until midnight

Winds: Easterly 20 to 25 knots. Seas: 1.5 to 2 metres. Swell: Easterly around 1 metre, increasing to 1 to 1.5 metres about Banks Strait. Weather: Cloudy.

Forecast for Monday 19 January

Winds: Easterly 15 to 20 knots. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Swell: Easterly around 1 metre, increasing to 1 to 1.5 metres about Banks Strait. Weather: Partly cloudy.

Forecast for Tuesday 20 January

Winds: Easterly 10 to 15 knots decreasing to about 10 knots during the evening. Seas: Around 1 metre. Swell: Easterly around 1 metre, increasing to 1 to 1.5 metres about Banks Strait. Weather: Mostly sunny.

Upper East Coast: St Helens Point to Wineglass Bay

Forecast for Sunday 18 January until midnight

Winds: Easterly 15 to 20 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore. Swell: Easterly 1.5 metres. Weather: Cloudy.

Forecast for Monday 19 January

Winds: Easterly 15 to 20 knots turning northeasterly during the morning and early afternoon. Seas: 1 to 1.5 metres. Swell: Easterly 1.5 to 2 metres, decreasing to 1.5 metres during the morning. Weather: Partly cloudy.

Forecast for Tuesday 20 January

Winds: East to northeasterly 10 to 15 knots decreasing to about 10 knots during the afternoon. Seas: Around 1 metre. Swell: Easterly 1.5 metres, tending northeasterly 1.5 metres during the afternoon. Weather: Mostly sunny.

Lower East Coast: Wineglass Bay to Tasman Island

Forecast for Sunday 18 January until midnight

Winds: Northeasterly 15 to 20 knots. Seas: 1 to 1.5 metres. 1st Swell: Southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore. 2nd Swell: East to northeasterly 1 to 1.5 metres. Weather: Cloudy.

Forecast for Monday 19 January

Winds: Northeasterly 15 to 20 knots. Seas: 1 to 1.5 metres. 1st Swell: Southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore. 2nd Swell: Easterly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore. Weather: Partly cloudy.

Forecast for Tuesday 20 January

Winds: Northeasterly 15 to 20 knots decreasing to about 10 knots during the evening. Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning. 1st Swell: Northeasterly 1.5 metres. 2nd Swell: Southwesterly below 1 metre inshore, increasing to around 1 metre offshore. Weather: Partly cloudy.

South East Coast: Tasman Island to South East Cape

Forecast for Sunday 18 January until midnight

Winds: Northeasterly 15 to 25 knots. Seas: 1.5 to 2 metres. Swell: Southwesterly 1.5 metres. Weather: Cloudy.

Forecast for Monday 19 January

Winds: Northeasterly 20 to 25 knots. Seas: 1.5 to 2 metres. 1st Swell: Southwesterly 1 to 1.5 metres. 2nd Swell: Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the afternoon. Weather: Partly cloudy.

Forecast for Tuesday 20 January

Winds: Northeasterly 15 to 25 knots. Seas: 1 to 2 metres, decreasing to 1 metre during the morning. 1st Swell: Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. 2nd Swell: Northeasterly 1 to 1.5 metres. Weather: Mostly sunny.

South West Coast: South East Cape to Low Rocky Point

Forecast for Sunday 18 January until midnight

Strong Wind Warning for Sunday for South West Coast

Winds: East to northeasterly 15 to 25 knots, reaching up to 30 knots during the afternoon and evening. Seas: 1.5 to 2.5 metres. Swell: Southwesterly 1.5 metres. Weather: Mostly sunny.

Forecast for Monday 19 January

Strong Wind Warning for Monday for South West Coast

Winds: Northeasterly 20 to 30 knots tending east to northeasterly 15 to 25 knots in the early morning then increasing to 20 to 30 knots in the early afternoon. Seas: 1.5 to 2.5 metres. 1st Swell: Southwesterly 1.5 metres. 2nd Swell: Easterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore during the morning. Weather: Sunny.

Forecast for Tuesday 20 January

Winds: North to northeasterly 15 to 25 knots shifting south to southwesterly 10 to 15 knots during the morning then becoming variable about 10 knots during the afternoon. Seas: 1.5 to 2.5 metres, decreasing to 1 metre during the morning. 1st Swell: Southwesterly around 1 metre, increasing to 1.5 metres during the afternoon or evening. 2nd Swell: Easterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Sunny.

The next routine forecast will be issued at 10:00 am EDT 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.