Australian Government

Bureau of Meteorology


Coastal Waters Forecast 

Marine (lite) Home

IDT12410

Australian Government Bureau of Meteorology
Tasmania

Updated Local Waters Forecast for South East Inshore

Issued at 7:46 am EDT on Wednesday 8 October 2025
for the period until midnight EDT Saturday 11 October 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 broad and slow moving area of low pressure, well to the south, is forecast to direct west to northwesterly winds over Tasmania until at least Saturday. Embedded cold fronts are projected to move over Tasmania from the west early Thursday, and during the day Friday.

Derwent Estuary

Forecast for Wednesday 8 October until midnight

Winds: Northwesterly 15 to 25 knots. Seas: Below 1 metre. Weather: Partly cloudy. 60% chance of showers.

Forecast for Thursday 9 October

Winds: Northwesterly 15 to 20 knots. Seas: Below 1 metre. Weather: Partly cloudy. 70% chance of showers.

Forecast for Friday 10 October

Winds: Northwesterly 15 to 20 knots. Seas: Around 1 metre. Weather: Cloudy. 80% chance of showers.

Forecast for Saturday 11 October

Winds: West to northwesterly 15 to 20 knots. Seas: Below 1 metre. Weather: Partly cloudy. 60% chance of showers.

Channel

Forecast for Wednesday 8 October until midnight

Strong Wind Warning for Wednesday for Channel

Winds: Northwesterly 15 to 25 knots increasing to 20 to 30 knots in the middle of the day then decreasing to 15 to 25 knots in the late afternoon. Seas: Around 1 metre. Weather: Cloudy. 80% chance of showers.

Forecast for Thursday 9 October

Winds: Northwesterly 15 to 25 knots. Seas: Around 1 metre. Weather: Cloudy. 80% chance of showers.

Forecast for Friday 10 October

Winds: Northwesterly 15 to 25 knots. Seas: Around 1 metre. Weather: Cloudy. 90% chance of showers, with possible small hail in the afternoon and evening.

Forecast for Saturday 11 October

Winds: West to northwesterly 15 to 25 knots. Seas: Around 1 metre. Weather: Partly cloudy. 80% chance of showers, with possible small hail.

Storm Bay

Forecast for Wednesday 8 October until midnight

Strong Wind Warning for Wednesday for Storm Bay

Winds: North to northwesterly 15 to 25 knots turning west to northwesterly 20 to 30 knots in the middle of the day then becoming northwesterly 15 to 20 knots in the late afternoon. Seas: Around 1 metre. Weather: Partly cloudy. 60% chance of showers.

Forecast for Thursday 9 October

Winds: Northwesterly 15 to 25 knots. Seas: Around 1 metre. Weather: Partly cloudy. 60% chance of showers.

Forecast for Friday 10 October

Winds: Northwesterly 20 to 30 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning. Weather: Cloudy. 80% chance of showers.

Forecast for Saturday 11 October

Winds: West to northwesterly 15 to 25 knots. Seas: 1 to 1.5 metres. Weather: Partly cloudy. 60% chance of showers.

Frederick Henry Bay and Norfolk Bays

Forecast for Wednesday 8 October until midnight

Strong Wind Warning for Wednesday for Frederick Henry Bay and Norfolk Bay

Winds: Northwesterly 15 to 25 knots increasing to 20 to 30 knots in the middle of the day then decreasing to 15 to 25 knots in the early afternoon. Seas: Around 1 metre. Weather: Partly cloudy. 50% chance of showers.

Forecast for Thursday 9 October

Winds: Northwesterly 15 to 25 knots. Seas: Around 1 metre. Weather: Partly cloudy. 60% chance of showers.

Forecast for Friday 10 October

Winds: Northwesterly 20 to 30 knots. Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon. Weather: Cloudy. 80% chance of showers.

Forecast for Saturday 11 October

Winds: West to northwesterly 15 to 25 knots. Seas: Around 1 metre. Weather: Partly cloudy. 60% chance of showers.

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

* Calls to 1300 number cost around 27.5c inc. 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 Forecast or Local Waters Forecast at http://www.bom.gov.au/tas/forecasts/map.shtml for information on wind, wave and weather conditions for these coastal zones.