Australian Government

Bureau of Meteorology


Coastal Waters Forecast 

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IDT12410

Australian Government Bureau of Meteorology
Tasmania

Local Waters Forecast for South East Inshore

Issued at 10:00 pm EDT on Thursday 19 March 2026
for the period until midnight EDT Monday 23 March 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 ridge of high pressure over Tasmania will persist over the coming days, with a weak cold front to clip the south of the state on Saturday morning. The high centre will move into the Tasman Sea on Sunday and direct a northerly flow over Tasmania, ahead of another cold front that is expected to weaken and stall over Tasmania during Monday.

Derwent Estuary

Forecast for Thursday 19 March until midnight

Winds: East to northeasterly below 10 knots. Seas: Below 0.5 metres. Weather: Cloudy.

Forecast for Friday 20 March

Winds: Variable below 10 knots. Seas: Below 0.5 metres. Weather: Partly cloudy.

Forecast for Saturday 21 March

Winds: Variable below 10 knots becoming southeasterly 10 to 15 knots in the late afternoon then becoming variable below 10 knots in the evening. Seas: Below 1 metre. Weather: Partly cloudy.

Forecast for Sunday 22 March

Winds: Northwest to northeasterly 10 to 15 knots tending southeasterly during the afternoon then turning south to southwesterly during the evening. Seas: Below 0.5 metres, increasing to around 1 metre during the afternoon or evening. Weather: Mostly sunny.

Forecast for Monday 23 March

Winds: Northwesterly below 10 knots tending southerly 10 to 15 knots during the day. Seas: Around 1 metre. Weather: Partly cloudy. 95% chance of showers.

Channel

Forecast for Thursday 19 March until midnight

Winds: Variable below 10 knots. Seas: Below 0.5 metres. Weather: Cloudy.

Forecast for Friday 20 March

Winds: Variable about 10 knots. Seas: Below 1 metre. Weather: Partly cloudy.

Forecast for Saturday 21 March

Winds: North to northwesterly about 10 knots tending east to southeasterly 10 to 15 knots in the early afternoon then becoming variable about 10 knots in the evening. Seas: Below 1 metre. Weather: Partly cloudy.

Forecast for Sunday 22 March

Winds: Variable about 10 knots becoming southeast to southwesterly 10 to 15 knots during the afternoon then becoming north to northwesterly below 10 knots during the evening. Seas: Below 1 metre. Weather: Mostly sunny.

Forecast for Monday 23 March

Winds: North to northwesterly below 10 knots tending southerly 10 to 15 knots during the day then tending southeasterly during the evening. Seas: Below 1 metre. Weather: Cloudy. 95% chance of showers.

Storm Bay

Forecast for Thursday 19 March until midnight

Winds: East to northeasterly below 10 knots. Seas: Below 0.5 metres. Weather: Cloudy.

Forecast for Friday 20 March

Winds: Variable below 10 knots. Seas: Below 1 metre. Weather: Partly cloudy.

Forecast for Saturday 21 March

Winds: Variable below 10 knots becoming southeasterly 10 to 15 knots in the late afternoon then becoming variable below 10 knots in the evening. Seas: Below 1 metre. Weather: Mostly sunny.

Forecast for Sunday 22 March

Winds: North to northeasterly 10 to 15 knots shifting south to southeasterly 15 to 20 knots during the afternoon then becoming variable about 10 knots during the evening. Seas: Around 1 metre. Weather: Sunny.

Forecast for Monday 23 March

Winds: North to northwesterly below 10 knots tending southerly 10 to 15 knots during the day then tending southeasterly during the evening. Seas: Around 1 metre. Weather: Partly cloudy. 90% chance of showers.

Frederick Henry Bay and Norfolk Bays

Forecast for Thursday 19 March until midnight

Winds: East to northeasterly below 10 knots. Seas: Below 0.5 metres. Weather: Cloudy.

Forecast for Friday 20 March

Winds: Variable below 10 knots. Seas: Below 0.5 metres. Weather: Partly cloudy.

Forecast for Saturday 21 March

Winds: Variable about 10 knots. Seas: Below 1 metre. Weather: Mostly sunny.

Forecast for Sunday 22 March

Winds: North to northeasterly 10 to 15 knots shifting south to southwesterly during the evening. Seas: Below 0.5 metres, increasing to around 1 metre during the afternoon or evening. Weather: Mostly sunny.

Forecast for Monday 23 March

Winds: North to northwesterly about 10 knots tending southerly 10 to 15 knots during the afternoon then tending southeasterly during the evening. Seas: Around 1 metre. Weather: Partly cloudy. 90% chance of showers.

The next routine forecast will be issued at 4:00 am EDT Friday.

* 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.