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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 EST on Monday 3 August 2020
for the period until midnight EST Friday 7 August 2020.

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 cross Tasmania later today as a low pressure system approaches from the southwest. The low will direct a very cold southerly flow over the state on Tuesday as moves over the state and to the east. Cold southerly winds will tend southwesterly on Wednesday as the area of low pressure intensifies and moves slowly eastwards over the Tasman Sea. Southwesterly winds moderate on Thursday as a large area of high pressure over the Southern Ocean extends towards Tasmania. A ridge will extend over the state on Friday causing the winds to ease further.

Derwent Estuary

Forecast for Monday 3 August until midnight

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

Forecast for Tuesday 4 August

Strong Wind Warning for Tuesday for Derwent Estuary

Winds: Variable about 10 knots becoming southwesterly 15 to 25 knots in the middle of the day then turning south to southeasterly 25 to 30 knots in the late evening. Seas: Below 1 metre, increasing to 1 to 2 metres during the afternoon. Weather: Cloudy. 80% chance of showers, with possible hail.

Forecast for Wednesday 5 August

Winds: Southerly 20 to 30 knots tending southwesterly in the early afternoon. Seas: 2 to 3 metres, decreasing to 1 to 2 metres around midday. Weather: Cloudy. Near 100% chance of showers.

Forecast for Thursday 6 August

Winds: Southwesterly 15 to 25 knots decreasing to about 10 knots during the afternoon. Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning. Weather: Cloudy.

Forecast for Friday 7 August

Winds: West to southwesterly about 10 knots becoming southerly during the afternoon then becoming west to southwesterly during the evening. Seas: Below 1 metre. Weather: Cloudy.

Channel

Forecast for Monday 3 August until midnight

Winds: Northwesterly about 10 knots. Seas: Below 0.5 metres. Weather: Partly cloudy.

Forecast for Tuesday 4 August

Strong Wind Warning for Tuesday for Channel

Winds: Variable about 10 knots becoming south to southwesterly 15 to 20 knots in the late morning then becoming southerly 25 to 30 knots in the evening. Seas: Around 1 metre, increasing to 1.5 to 2.5 metres by early evening. Weather: Cloudy. 80% chance of showers, with possible hail.

Forecast for Wednesday 5 August

Winds: Southerly 20 to 30 knots decreasing to 20 to 25 knots in the morning then tending southwesterly in the late evening. Seas: 2 to 3 metres. Weather: Cloudy. Near 100% chance of showers.

Forecast for Thursday 6 August

Winds: Southwesterly 15 to 25 knots decreasing to about 10 knots during the evening. Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Weather: Cloudy. 60% chance of showers.

Forecast for Friday 7 August

Winds: West to southwesterly 10 to 15 knots becoming variable about 10 knots during the morning. Seas: Below 1 metre. Weather: Cloudy.

Storm Bay

Forecast for Monday 3 August until midnight

Winds: West to northwesterly about 10 knots. Seas: Below 1 metre. Weather: Cloudy.

Forecast for Tuesday 4 August

Gale Warning for Tuesday for Storm Bay

Winds: Northwest to southwesterly 10 to 15 knots becoming southwesterly 15 to 25 knots in the early afternoon then turning southeasterly 30 to 35 knots in the late evening. Seas: Below 1 metre, increasing to 1 to 2 metres around midday, then increasing to 2.5 to 3 metres later in the evening. Weather: Cloudy. 80% chance of showers, with possible hail.

Forecast for Wednesday 5 August

Winds: South to southwesterly 25 to 30 knots. Seas: 2.5 to 3.5 metres. Weather: Cloudy. Near 100% chance of showers.

Forecast for Thursday 6 August

Winds: Southwesterly 20 to 30 knots decreasing to 10 to 15 knots during the afternoon. Seas: 2 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning. Weather: Cloudy. 60% chance of showers.

Forecast for Friday 7 August

Winds: South to southwesterly 10 to 15 knots decreasing to about 10 knots during the morning. Seas: Below 1 metre. Weather: Cloudy.

Frederick Henry Bay and Norfolk Bays

Forecast for Monday 3 August until midnight

Winds: West to northwesterly below 10 knots. Seas: Below 0.5 metres. Weather: Cloudy.

Forecast for Tuesday 4 August

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

Winds: Northwest to southwesterly about 10 knots becoming southwesterly 15 to 25 knots in the late morning, then turning south to southeasterly 20 to 30 knots in the evening. Seas: Below 1 metre, increasing to 1.5 to 2.5 metres around midday. Weather: Cloudy. 80% chance of showers, with possible hail.

Forecast for Wednesday 5 August

Winds: Southerly 20 to 30 knots tending southwesterly in the early afternoon. Seas: 2 to 3 metres. Weather: Cloudy. Near 100% chance of showers.

Forecast for Thursday 6 August

Winds: Southwesterly 20 to 30 knots decreasing to about 10 knots during the evening. Seas: 1.5 to 2.5 metres, decreasing to 1 metre during the morning. Weather: Cloudy. 50% chance of showers.

Forecast for Friday 7 August

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

The next routine forecast will be issued at 5:00 am EST Tuesday.

* 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.