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Bureau of Meteorology


Coastal Waters Forecast 

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IDT12410

Australian Government Bureau of Meteorology
Tasmania

Updated Local Waters Forecast for South East Inshore

Issued at 5:34 pm EST on Thursday 9 April 2026
for the period until midnight EST Monday 13 April 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 cold front will approach and cross Tasmania overnight, with a series of troughs to cross the state later Friday and on Saturday as an area of low pressure moves well to the south of Tasmania. A high over the Bight will direct a southwesterly stream over Tasmania on Sunday, with the high expected to move to the north of the state later Monday.

Derwent Estuary

Forecast for Thursday 9 April until midnight

Strong Wind Warning for Thursday for Derwent Estuary

Winds: Northerly 25 to 30 knots turning west to northwesterly below 10 knots in the late evening. Seas: Below 1 metre. Weather: Partly cloudy. 70% chance of showers.

Forecast for Friday 10 April

Winds: Northwesterly about 10 knots increasing to 15 to 20 knots in the morning. Seas: Below 1 metre. Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the late morning and afternoon.

Forecast for Saturday 11 April

Winds: Northwesterly 15 to 20 knots turning westerly in the early afternoon. Seas: Below 1 metre. Weather: Cloudy. 90% chance of showers, with possible small hail.

Forecast for Sunday 12 April

Winds: Westerly 15 to 20 knots decreasing to about 10 knots during the evening. Seas: Around 1 metre. Weather: Cloudy. 80% chance of showers.

Forecast for Monday 13 April

Winds: Westerly 10 to 15 knots. Seas: Below 1 metre. Weather: Cloudy. 50% chance of showers.

Channel

Forecast for Thursday 9 April until midnight

Winds: Northwesterly 15 to 20 knots. Seas: Below 1 metre. Weather: Cloudy. 90% chance of showers.

Forecast for Friday 10 April

Winds: Northwesterly 15 to 20 knots. Seas: Below 1 metre. Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the afternoon. Possible small hail in the late afternoon and evening.

Forecast for Saturday 11 April

Winds: Northwesterly 15 to 20 knots turning westerly in the early afternoon. Seas: Below 1 metre. Weather: Cloudy. 95% chance of showers, with possible small hail.

Forecast for Sunday 12 April

Winds: West to southwesterly 15 to 25 knots. Seas: Around 1 metre, increasing to 1 to 2 metres during the morning. Weather: Cloudy. 95% chance of showers.

Forecast for Monday 13 April

Winds: West to southwesterly 15 to 20 knots tending west to northwesterly below 10 knots during the evening. Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning. Weather: Cloudy. 70% chance of showers.

Storm Bay

Forecast for Thursday 9 April until midnight

Strong Wind Warning for Thursday for Storm Bay

Winds: Northerly 25 to 30 knots tending northwest to northeasterly 15 to 25 knots in the evening. Seas: 1 to 1.5 metres, decreasing below 1 metre later in the evening. Weather: Partly cloudy. 80% chance of showers.

Forecast for Friday 10 April

Winds: Westerly 10 to 15 knots turning northwesterly 15 to 25 knots during the morning. Seas: Around 1 metre. Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the late morning and afternoon.

Forecast for Saturday 11 April

Winds: Northwesterly 15 to 25 knots tending westerly 20 to 25 knots in the early afternoon. Seas: 1 to 1.5 metres. Weather: Cloudy. 90% chance of showers, with possible small hail.

Forecast for Sunday 12 April

Winds: West to southwesterly 20 to 30 knots. Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning. Weather: Cloudy. 90% chance of showers.

Forecast for Monday 13 April

Winds: West to southwesterly 15 to 20 knots decreasing to about 10 knots during the evening. Seas: 1 to 1.5 metres. Weather: Cloudy. 60% chance of showers.

Frederick Henry Bay and Norfolk Bays

Forecast for Thursday 9 April until midnight

Winds: Northerly 15 to 20 knots becoming northwesterly below 10 knots in the late evening. Seas: Around 1 metre. Weather: Partly cloudy. 70% chance of showers.

Forecast for Friday 10 April

Winds: Northwesterly about 10 knots increasing to 15 to 25 knots in the morning. Seas: Around 1 metre. Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the late morning and afternoon.

Forecast for Saturday 11 April

Winds: Northwesterly 15 to 25 knots turning westerly in the early afternoon. Seas: Around 1 metre. Weather: Partly cloudy. 90% chance of showers.

Forecast for Sunday 12 April

Winds: West to southwesterly 20 to 30 knots. Seas: Around 1 metre, increasing to 1 to 2 metres during the morning. Weather: Cloudy. 80% chance of showers.

Forecast for Monday 13 April

Winds: West to southwesterly 10 to 15 knots decreasing to about 10 knots during the evening. Seas: Around 1 metre. Weather: Partly cloudy. 50% chance of showers.

The next routine forecast will be issued at 10:00 pm EST Thursday.

* 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.