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Bureau of Meteorology


Coastal Waters Forecast 

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IDT12331

Australian Government Bureau of Meteorology
Tasmania

Coastal Waters Forecast for Tasmania
Eastern Zones: Northern Tip of Flinders Island to Tasman Island

Issued at 10:02 pm EDT on Friday 18 October 2019
for the period until midnight EDT Monday 21 October 2019.

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 strong northwesterly stream ahead of a cold front which will clear the state this evening. A strong to gale force, cold westerly flow will develop overnight and persist throughout Saturday and most of Sunday before gradually moderating late on Sunday as a high moves south of Adelaide. The high will slowly approach Tasmania during Monday, with the stream becoming light by the end of the day.

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

Forecast for Friday 18 October until midnight

Strong Wind Warning for Friday for East of Flinders Island

Winds: Westerly 20 to 30 knots. Seas: 2 to 2.5 metres. Swell: Easterly below 1 metre. Weather: Cloudy. 50% chance of showers.

Forecast for Saturday 19 October

Strong Wind Warning for Saturday for East of Flinders Island

Winds: Westerly 20 to 30 knots, decreasing to 15 to 25 knots for a period during the morning. Seas: 2 to 3 metres. Swell: Southerly below 1 metre. Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm offshore in the late afternoon and evening. Possible hail in the morning and afternoon.

Forecast for Sunday 20 October

Winds: Westerly 25 to 30 knots. Seas: 1 to 2 metres, increasing to 2 to 3 metres offshore. Swell: Southerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore during the morning. Weather: Partly cloudy.

Forecast for Monday 21 October

Winds: Westerly 20 to 30 knots. Seas: 2 to 3 metres, decreasing to 1 to 2 metres during the morning. Swell: Southerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore. Weather: Mostly sunny.

Banks Strait and Franklin Sound

Forecast for Friday 18 October until midnight

Strong Wind Warning for Friday for Banks Strait and Franklin Sound

Winds: Westerly 20 to 25 knots, reaching up to 30 knots about Banks Strait. Seas: 1.5 to 2 metres, increasing to 2 to 3 metres about Banks Strait. Swell: Easterly below 1 metre. Weather: Partly cloudy. 60% chance of showers in the evening.

Forecast for Saturday 19 October

Strong Wind Warning for Saturday for Banks Strait and Franklin Sound

Winds: Westerly 20 to 30 knots, decreasing to 15 to 25 knots for a period in the morning. Seas: 2 to 3 metres, decreasing to 1.5 to 2 metres during the morning, then increasing to 2 to 3 metres around midday. Swell: Westerly below 1 metre. Weather: Partly cloudy. 60% chance of showers, with possible hail in the morning and early afternoon. The chance of a thunderstorm about Franklin Sound in the afternoon.

Forecast for Sunday 20 October

Winds: Westerly 20 to 30 knots. Seas: 1.5 to 2.5 metres. Swell: West to northwesterly below 1 metre. Weather: Partly cloudy.

Forecast for Monday 21 October

Winds: Westerly 15 to 25 knots decreasing to 10 to 15 knots during the evening. Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Swell: South to southeasterly below 1 metre. Weather: Mostly sunny.

Upper East Coast: St Helens Point to Wineglass Bay

Forecast for Friday 18 October until midnight

Strong Wind Warning for Friday for Upper East Coast

Winds: West to northwesterly 15 to 25 knots, reaching up to 30 knots offshore. Seas: Around 1 metre, increasing to 2 to 2.5 metres offshore. Swell: Southerly below 1 metre. Weather: Mostly clear.

Forecast for Saturday 19 October

Strong Wind Warning for Saturday for Upper East Coast

Winds: West to northwesterly 15 to 25 knots, reaching up to 30 knots offshore during the afternoon and evening. Seas: Around 1 metre, increasing to 1.5 to 2.5 metres offshore. Swell: Southerly around 1 metre offshore. Weather: Sunny morning. 60% chance of showers in the afternoon and evening. Possible hail in the early afternoon.

Forecast for Sunday 20 October

Winds: West to northwesterly 15 to 25 knots tending west to southwesterly 15 to 20 knots in the afternoon. Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Swell: South to southwesterly around 1 metre inshore, increasing to 2 to 3 metres offshore during the morning. Weather: Partly cloudy.

Forecast for Monday 21 October

Winds: West to southwesterly 15 to 20 knots becoming variable about 10 knots in the afternoon. Seas: Around 1 metre. Swell: South to southwesterly 1 to 1.5 metres inshore, increasing to 2 to 3 metres offshore. Weather: Sunny.

Lower East Coast: Wineglass Bay to Tasman Island

Forecast for Friday 18 October until midnight

Strong Wind Warning for Friday for Lower East Coast

Winds: Westerly 25 to 30 knots. Seas: 2 to 3 metres. Swell: South to southwesterly below 1 metre inshore, increasing to 1.5 to 2.5 metres offshore. Weather: Partly cloudy.

Forecast for Saturday 19 October

Strong Wind Warning for Saturday for Lower East Coast

Winds: West to northwesterly 20 to 30 knots becoming westerly 20 to 25 knots in the middle of the day then increasing to 25 to 30 knots in the evening. Seas: 2 to 3 metres. Swell: South to southwesterly 2 to 3 metres, increasing to 2 to 4 metres around midday. Weather: Partly cloudy. 70% chance of showers, with possible hail in the morning and afternoon.

Forecast for Sunday 20 October

Winds: Westerly 20 to 30 knots increasing to 25 to 35 knots in the middle of the day then tending west to southwesterly 20 to 30 knots in the late afternoon. Seas: 2 to 3 metres. Swell: Southwesterly 3 to 5 metres. Weather: Cloudy.

Forecast for Monday 21 October

Winds: Westerly 20 to 30 knots turning southwesterly 15 to 25 knots during the morning. Seas: 2 to 3 metres. Swell: Southwesterly 2 to 3 metres inshore, increasing to 3 to 5 metres offshore. Weather: Partly cloudy.

South East Coast: Tasman Island to South East Cape

Forecast for Friday 18 October until midnight

Gale Warning for Friday for South East Coast

Winds: Westerly 20 to 30 knots, reaching up to 35 knots offshore in the south. Seas: 2 to 3 metres, increasing to 3 to 4 metres offshore. Swell: West to southwesterly 3 to 5 metres. Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm at night. Possible hail.

Forecast for Saturday 19 October

Gale Warning for Saturday for South East Coast

Winds: West to northwesterly 20 to 30 knots tending westerly around midday. Winds reaching up to 35 knots in the south early morning and again late evening. Seas: 2 to 3 metres, increasing to 2.5 to 4 metres offshore. Swell: West to southwesterly 2 to 4 metres inshore, increasing to 4 to 6 metres offshore. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the morning and afternoon. Possible hail in the morning and afternoon.

Forecast for Sunday 20 October

Winds: Westerly 30 to 40 knots. Seas: 2.5 to 4 metres. Swell: Southwesterly 5 to 6 metres. Weather: Cloudy. 80% chance of showers.

Forecast for Monday 21 October

Winds: Westerly 20 to 30 knots. Seas: 2.5 to 3 metres. Swell: Southwesterly 4 to 6 metres, decreasing to 3 to 4 metres during the morning. Weather: Cloudy. 50% chance of showers.

South West Coast: South East Cape to Low Rocky Point

Forecast for Friday 18 October until midnight

Strong Wind Warning for Friday for South West Coast

Winds: Westerly 25 to 30 knots. Seas: 3 metres, increasing to 3 to 4 metres near Maatsuyker Island. Swell: Westerly around 5 metres. Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm. Possible hail.

Forecast for Saturday 19 October

Gale Warning for Saturday for South West Coast

Winds: Westerly 25 to 30 knots, reaching up to 35 knots during the morning and again late evening. Seas: 3 to 4 metres. Swell: Westerly 5 to 6 metres. Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the morning and afternoon. Possible hail in the morning and afternoon.

Forecast for Sunday 20 October

Winds: Westerly 30 to 35 knots decreasing to 25 to 30 knots in the middle of the day. Seas: 2.5 to 4 metres. Swell: Southwesterly 6 to 7 metres. Weather: Cloudy. 80% chance of showers.

Forecast for Monday 21 October

Winds: Westerly 20 to 30 knots. Seas: 2 to 3 metres. Swell: Southwesterly 3 to 5 metres, decreasing to 3 metres during the evening. Weather: Cloudy. 60% chance of showers.

The next routine forecast will be issued at 5:00 am EDT Saturday.

* 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.