Coastal Waters Forecast 

IDT12332

Australian Government Bureau of Meteorology
Tasmania

Coastal Waters Forecast for Tasmania
Southern Zones: Tasman Island to Low Rocky Point

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

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.

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.