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BoM Duncan Marine Weather Forecast

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Forecast for Wednesday, 28 October
Weather: Clear.
Winds: Southeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Thursday, 29 October
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots turning easterly 15 to 20 knots before dawn.
Seas: Around 1 metre, increasing to 1 to 1.5 metres in the west around midday.
Swell: Southwesterly 1.5 to 2.5 metres.
Forecast for Friday, 30 October
Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm in the morning and afternoon.
Winds: Easterly 15 to 20 knots tending northeasterly before dawn then turning north to northwesterly during the afternoon and evening.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Saturday, 31 October
Weather: Partly cloudy.
Winds: West to northwesterly 15 to 20 knots tending west to southwesterly during the day.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the evening.
Swell: Southwesterly 1 to 2 metres, decreasing to 1.5 metres during the evening.

Forecast for Wednesday, 28 October
Weather: Clear.
Winds: East to southeasterly 20 to 25 knots.
Seas: 2 metres.
Swell: Southwesterly 1.5 metres.
Forecast for Thursday, 29 October
Weather: Partly cloudy. 80% chance of showers. A thunderstorm likely from the late morning, with possible squalls in the afternoon and evening.
Winds: Easterly 15 to 25 knots, reaching up to 30 knots offshore in the evening. Winds turning northeasterly 15 to 20 knots in the late evening.
Seas: 1 to 2 metres.
Swell: South to southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore during the afternoon.
Forecast for Friday, 30 October
Weather: 50% chance of showers in the early morning. A thunderstorm likely in the early morning. Mostly sunny day.
Winds: North to northeasterly 15 to 20 knots shifting west to southwesterly during the morning and early afternoon.
Seas: 1 to 1.5 metres.
Swell: Southerly 1.5 to 2 metres, tending southwesterly 1.5 metres by early evening. East to southeasterly around 1 metre.
Forecast for Saturday, 31 October
Weather: Mostly sunny.
Winds: Southwesterly 10 to 15 knots becoming variable about 10 knots during the morning then becoming east to southeasterly 15 to 20 knots during the afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.

Forecast for Wednesday, 28 October
Weather: Clear.
Winds: Southeasterly 10 to 15 knots.
Seas: Around 1 metre.
Swell: West to southwesterly below 0.5 metres.
Forecast for Thursday, 29 October
Weather: Sunny.
Winds: Northeast to southeasterly 10 to 15 knots tending south to southeasterly in the middle of the day then turning easterly in the evening.
Seas: Below 1 metre.
Swell: West to southwesterly below 0.5 metres.
Forecast for Friday, 30 October
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the late afternoon and evening.
Winds: Northeasterly 15 to 20 knots turning northerly 10 to 15 knots in the late evening.
Seas: Around 1 metre.
Swell: West to southwesterly below 0.5 metres.
Forecast for Saturday, 31 October
Weather: Partly cloudy. 50% chance of showers.
Winds: North to northwesterly 15 to 20 knots turning west to southwesterly during the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Port Vincent to Brighton.
Swell: Southeast to southwesterly below 0.5 metres.

Forecast for Wednesday, 28 October
Weather: Mostly clear.
Winds: South to southeasterly about 10 knots.
Seas: Below 1 metre.
Swell: West to southwesterly below 1 metre.
Forecast for Thursday, 29 October
Weather: Mostly sunny.
Winds: East to southeasterly about 10 knots tending east to northeasterly 10 to 15 knots in the middle of the day then tending east to southeasterly in the early afternoon.
Seas: Around 1 metre.
Swell: West to southwesterly below 1 metre, increasing to 1 to 2 metres through the Backstairs Passage during the morning.
Forecast for Friday, 30 October
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: East to northeasterly 10 to 15 knots turning northerly 15 to 20 knots during the day.
Seas: Around 1 metre, increasing to 1 to 1.5 metres around midday.
Swell: West to southwesterly below 1 metre.
Forecast for Saturday, 31 October
Weather: Partly cloudy.
Winds: Northwesterly 15 to 20 knots turning westerly during the morning.
Seas: 1 to 1.5 metres.
Swell: West to southwesterly below 1 metre.

Forecast for Wednesday, 28 October
Weather: Cloudy.
Winds: Southwesterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Thursday, 29 October
Weather: Cloudy.
Winds: West to southwesterly about 10 knots becoming east to southeasterly in the evening.
Seas: Below 1 metre.
Swell: Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres south of Port MacDonnell.
Forecast for Friday, 30 October
Weather: Mostly sunny morning. 50% chance of showers in the evening.
Winds: Easterly 10 to 15 knots turning north to northeasterly during the morning and early afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 3 metres.
Forecast for Saturday, 31 October
Weather: Cloudy. 80% chance of showers. The chance of a thunderstorm in the morning.
Winds: Northerly 15 to 20 knots turning westerly 15 to 25 knots during the morning.
Seas: 1 to 2 metres.
Swell: Southwesterly 1 to 2 metres.

Forecast for Wednesday, 28 October
Weather: Clear.
Winds: Southeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 1.5 metres.
Forecast for Thursday, 29 October
Weather: Mostly sunny.
Winds: Easterly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing to 1 metre around midday, then increasing to 1 to 1.5 metres by early evening.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2 metres during the morning, then tending south to southwesterly 2 to 2.5 metres during the afternoon.
Forecast for Friday, 30 October
Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the morning and afternoon.
Winds: East to northeasterly 15 to 20 knots shifting west to northwesterly in the late afternoon.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Saturday, 31 October
Weather: Partly cloudy.
Winds: Westerly 15 to 20 knots turning south to southwesterly below 10 knots during the afternoon.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the evening.
Swell: Southwesterly 1.5 to 2 metres.

Forecast for Wednesday, 28 October
Weather: Cloudy.
Winds: South to southwesterly below 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 2 metres.
Forecast for Thursday, 29 October
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming easterly 10 to 15 knots in the middle of the day. Winds reaching up to 20 knots west of Kangaroo Island in the late evening.
Seas: Below 0.5 metres, increasing to around 1 metre around midday.
Swell: Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.
Forecast for Friday, 30 October
Weather: Partly cloudy. 70% chance of showers from the late morning.
Winds: East to northeasterly 15 to 20 knots turning northerly in the late morning and afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres west of Kangaroo Island.
Swell: Southwesterly 2 to 3 metres, decreasing to 2 metres by early evening.
Forecast for Saturday, 31 October
Weather: Partly cloudy. 50% chance of showers. The chance of a thunderstorm in the morning.
Winds: North to northwesterly 15 to 20 knots turning westerly 15 to 25 knots during the morning.
Seas: 1 to 2 metres.
Swell: Southwesterly 1 to 2 metres.

Forecast for Wednesday, 28 October
Weather: Clear.
Winds: Southeasterly 10 to 15 knots, reaching up to 20 knots north of Cowell to Wallaroo.
Seas: Around 1 metre, increasing to 1 to 1.5 metres north of Cowell to Wallaroo.
Swell: South to southwesterly around 1 metre.
Forecast for Thursday, 29 October
Weather: Sunny.
Winds: East to southeasterly 10 to 15 knots, reaching up to 20 knots south of Cowell to Wallaroo in the late evening.
Seas: Around 1 metre.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo around midday.
Forecast for Friday, 30 October
Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm from the late morning.
Winds: East to northeasterly 15 to 20 knots turning north to northwesterly during the afternoon and evening.
Seas: 1 to 1.5 metres.
Swell: South to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres south of Port Neill to Port Victoria.
Forecast for Saturday, 31 October
Weather: Partly cloudy.
Winds: West to northwesterly 15 to 20 knots turning south to southwesterly 10 to 15 knots during the day.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon or evening.
Swell: South to southwesterly around 1 metre.

Forecast for Wednesday, 28 October
Weather: Cloudy.
Winds: South to southwesterly below 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 2 metres.
Forecast for Thursday, 29 October
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming south to southeasterly 10 to 15 knots in the early afternoon then tending east to southeasterly in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.
Forecast for Friday, 30 October
Weather: Mostly sunny morning. 50% chance of showers in the late afternoon and evening.
Winds: Easterly 10 to 15 knots turning north to northeasterly 15 to 20 knots during the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore during the morning.
Swell: Southwesterly 2 to 3 metres, decreasing to 2 metres by early evening.
Forecast for Saturday, 31 October
Weather: Partly cloudy. 50% chance of showers. The chance of a thunderstorm in the morning.
Winds: Northerly 15 to 20 knots turning westerly during the morning.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.

Forecast for Wednesday, 28 October
Weather: Clear.
Winds: Southeasterly 15 to 20 knots.
Seas: 1.5 metres.
Swell: Southwesterly 1.5 metres.
Forecast for Thursday, 29 October
Weather: Mostly sunny morning. The chance of a thunderstorm in the late afternoon and evening.
Winds: Easterly 15 to 20 knots turning northeasterly in the late evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre around midday, increasing to 1 to 1.5 metres south of Streaky Bay by early evening.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
Forecast for Friday, 30 October
Weather: Partly cloudy. 90% chance of showers. A thunderstorm likely in the morning and afternoon.
Winds: Northeasterly 15 to 20 knots shifting westerly in the middle of the day.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres later in the evening.
Forecast for Saturday, 31 October
Weather: Mostly sunny.
Winds: Westerly 15 to 20 knots turning south to southwesterly below 10 knots during the day then tending southeasterly 10 to 15 knots during the evening.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2 metres during the morning.
Parndana
▲ N
Calm
· 11 °C
Warnings
No warnings within 100 km.
State Wide
Marine
View all SA warnings
Temperature
Duncan
11 °C 21 °C 2pm 6 °C 3am
↓ Cooling
Now: 11 °C
Tides
Middle River
1:31am 1.21m 8:50am 0.41m
↓ Falling
Current: 1.19m
Weather Now for Duncan
Partly cloudy.
11 °C
Feels like 11 °C
Wind
Calm ESE
Humidity
93%
Pressure
1026 hPa
At Parndana
Nearby Wind
50 km radius
N S W E 7 kn Cape Borda 4 kn Kingscote
Duncan
Calm ESE
Recent Locations
Duncan
Calm
11°
Inneston
7 kn SE
 14°
Rosny
10 kn NNW
 12°
Sun
6:21am rise 7:49pm set
13 h 27 m of daylight
Now: 2:19am
124 seconds more than yesterday
Moon
11:33pmrise 8:02amset
92% illuminated
Waning Gibbous
Live Weather
Nearby
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Calm
11°
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7 kn ESE
 11°
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4 kn SW
 11°
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40 kn WNW
 10°
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Calm
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Hottest in Australia
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6 kn S
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31 kn WSW
 1°
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 104.2 mm
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