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Coastal Waters Forecast 

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IDT12330

Australian Government Bureau of Meteorology
Tasmania

Coastal Waters Forecast for Tasmania
Northern Zones: Sandy Cape to St Helens Point

Issued at 5:00 am EST on Tuesday 4 August 2020
for the period until midnight EST Thursday 6 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 complex area of low pressure moves over Tasmania this morning, bringing cold southerly winds over the state before it consolidates to the east this afternoon. The cold southerly winds will tend southwesterly on Wednesday as the low pressure system deepens and moves slowly eastwards over the Tasman Sea. Southwesterly winds moderate on Thursday as a large high pressure system over the Southern Ocean extends a ridge over Tasmania.

Far North West Coast: Sandy Cape to Stanley

Forecast for Tuesday 4 August until midnight

Strong Wind Warning for Tuesday for Far North West Coast

Winds: West to southwesterly 20 to 30 knots tending south to southwesterly during the morning. Seas: 2 to 3 metres. Swell: Southwesterly 2 to 3 metres, increasing to 4 to 6 metres south of King Island. Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm. Possible hail.

Forecast for Wednesday 5 August

Gale Warning for Wednesday for Far North West Coast

Winds: South to southwesterly 20 to 30 knots, reaching up to 35 knots east of King Island early in the morning. Seas: 2 to 3 metres. Swell: Southwesterly 2 to 4 metres, decreasing to 2 to 3 metres during the morning. Weather: Partly cloudy. 90% chance of showers south of King Island, 50% chance elsewhere.

Forecast for Thursday 6 August

Winds: Southerly 15 to 20 knots. Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Swell: Southwesterly 1 to 1.5 metres, increasing to 2 to 3 metres south of King Island. Weather: Partly cloudy.

Central North Coast: Stanley to Northern Tip of Flinders Island

Forecast for Tuesday 4 August until midnight

Winds: Westerly 10 to 15 knots turning south to southwesterly 15 to 20 knots during the morning. Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the afternoon. Swell: Westerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm. Possible hail.

Forecast for Wednesday 5 August

Strong Wind Warning for Wednesday for Central North Coast

Winds: Southwesterly 15 to 25 knots, reaching up to 30 knots offshore during the morning and early afternoon. Seas: 2 to 3 metres, decreasing below 2 metres later in the evening. Swell: Westerly around 1 metre offshore. Weather: Partly cloudy.

Forecast for Thursday 6 August

Winds: Southwesterly 15 to 20 knots becoming variable about 10 knots during the day. Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon. Swell: West to northwesterly below 1 metre. Weather: Sunny.

East of Flinders Island: Northern Tip of Flinders Island to St Helens Point

Forecast for Tuesday 4 August until midnight

Winds: Westerly 15 to 20 knots turning south to southwesterly during the morning and early afternoon then tending west to southwesterly in the late evening. Seas: 1 to 2 metres. Swell: Southerly around 1 metre. Weather: Cloudy. 90% chance of light showers offshore, 60% chance elsewhere. The chance of a thunderstorm. Possible hail.

Forecast for Wednesday 5 August

Gale Warning for Wednesday for East of Flinders Island

Winds: Westerly 20 to 30 knots tending southwesterly 30 to 40 knots early in the morning then decreasing to 20 to 30 knots in the late evening. Seas: 1.5 to 2.5 metres, increasing to 3 to 5 metres during the morning. Swell: South to southwesterly 1 to 2 metres, increasing to 3 to 5 metres during the morning, then tending southerly 2.5 to 4 metres around midday. Weather: Cloudy. 90% chance of showers.

Forecast for Thursday 6 August

Winds: Southwesterly 20 to 30 knots decreasing to 10 to 15 knots during the evening. Seas: 2 to 3 metres, decreasing to 1 to 1.5 metres during the afternoon or evening. Swell: Southerly 1.5 to 2 metres inshore, increasing to 2 to 3 metres offshore. Weather: Partly cloudy.

Banks Strait and Franklin Sound

Forecast for Tuesday 4 August until midnight

Winds: Westerly 10 to 20 knots turning south to southwesterly below 10 knots in the morning then tending west to southwesterly 10 to 20 knots in the evening. Seas: 1 to 2 metres, decreasing below 1 metre during the morning. Swell: Easterly below 1 metre. Weather: Cloudy. 80% chance of light showers. The chance of a thunderstorm. Possible hail.

Forecast for Wednesday 5 August

Strong Wind Warning for Wednesday for Banks Strait and Franklin Sound

Winds: Westerly 20 to 30 knots turning southwesterly before dawn, then decreasing to 15 to 25 knots in the afternoon. Seas: 2 to 3 metres, decreasing below 2 metres by early evening. Swell: Southeasterly below 1 metre, increasing to 1.5 to 2.5 metres during the morning. Weather: Cloudy. 80% chance of showers in the morning.

Forecast for Thursday 6 August

Winds: Southwesterly 15 to 20 knots decreasing to about 10 knots during the afternoon. Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon. Swell: Southeasterly around 1 metre, increasing to 1 to 2 metres about Banks Strait. Weather: Mostly sunny.

The next routine forecast will be issued at 4:05 pm EST Tuesday.

* 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.