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BoM Yallunda Flat Marine Weather Forecast

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Forecast for Saturday, 19 September
Weather: Clear.
Winds: Northerly 10 to 15 knots, reaching up to 20 knots in the west in the late evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres in the west.
Swell: Southwesterly 1.5 metres.
Forecast for Sunday, 20 September
Weather: Becoming cloudy.
Winds: Northerly 15 to 25 knots shifting southwesterly 20 to 25 knots in the late afternoon.
Seas: 1 to 2 metres.
Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres by early evening.
Forecast for Monday, 21 September
Weather: Cloudy.
Winds: Southerly 15 to 20 knots turning easterly 10 to 15 knots in the middle of the day.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 3 metres, increasing to 3 to 4 metres during the morning.
Forecast for Tuesday, 22 September
Weather: Partly cloudy.
Winds: East to northeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southwesterly 3 to 4 metres, decreasing to 3 metres during the evening.

Forecast for Saturday, 19 September
Weather: Clear.
Winds: North to northeasterly 10 to 15 knots tending north to northwesterly 15 to 20 knots in the evening.
Seas: Around 1 metre.
Swell: Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Sunday, 20 September
Weather: Partly cloudy.
Winds: North to northwesterly 20 to 25 knots shifting southwesterly 15 to 25 knots early in the morning then tending southerly 10 to 15 knots in the evening. Winds reaching up to 30 knots offshore early in the morning.
Seas: 1 to 2 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the afternoon.
Forecast for Monday, 21 September
Weather: Partly cloudy.
Winds: South to southeasterly 10 to 15 knots tending east to southeasterly during the morning.
Seas: Around 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Tuesday, 22 September
Weather: Sunny.
Winds: East to northeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2.5 to 3 metres.

Forecast for Saturday, 19 September
Weather: Clear.
Winds: North to northwesterly about 10 knots tending north to northeasterly 10 to 15 knots in the late afternoon. Winds reaching up to 20 knots south of Port Vincent to Brighton in the late evening.
Seas: Below 1 metre.
Swell: West to southwesterly below 0.5 metres.
Forecast for Sunday, 20 September
Weather: Mostly sunny.
Winds: Northerly 15 to 25 knots shifting west to southwesterly 15 to 20 knots in the late morning and early afternoon.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: West to southwesterly below 0.5 metres.
Forecast for Monday, 21 September
Weather: Cloudy.
Winds: South to southwesterly 15 to 20 knots turning southeasterly 10 to 15 knots during the day.
Seas: 1 to 1.5 metres, decreasing to 1 metre around midday.
Swell: South to southwesterly below 1 metre.
Forecast for Tuesday, 22 September
Weather: Sunny.
Winds: Easterly 10 to 15 knots tending northeasterly during the morning then becoming variable about 10 knots during the day.
Seas: Below 1 metre.
Swell: West to southwesterly below 0.5 metres.

Forecast for Saturday, 19 September
Weather: Clear.
Winds: North to northeasterly about 10 knots increasing to 15 to 20 knots in the evening.
Seas: Below 1 metre.
Swell: West to southwesterly below 1 metre.
Forecast for Sunday, 20 September
Weather: Partly cloudy.
Winds: Northerly 15 to 25 knots, reaching up to 30 knots through the Backstairs Passage early in the morning. Winds shifting southwesterly 15 to 20 knots in the evening.
Seas: 1 to 2 metres.
Swell: West to southwesterly around 1 metre.
Forecast for Monday, 21 September
Weather: Cloudy.
Winds: South to southwesterly 15 to 20 knots turning southeasterly 10 to 15 knots in the morning.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: West to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres during the morning, then decreasing to 1 to 1.5 metres around midday.
Forecast for Tuesday, 22 September
Weather: Mostly sunny.
Winds: Easterly 10 to 15 knots tending northeasterly during the morning then turning east to southeasterly during the day.
Seas: Below 1 metre.
Swell: West to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres through the Backstairs Passage.

Forecast for Saturday, 19 September
Weather: Clear.
Winds: Northwesterly 10 to 15 knots, reaching up to 20 knots south of Beachport during the afternoon and evening. Winds turning northerly in the late evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Beachport.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Sunday, 20 September
Weather: Becoming cloudy. 50% chance of showers.
Winds: North to northwesterly 20 to 30 knots turning west to southwesterly in the afternoon.
Seas: 1 to 1.5 metres, increasing to 2 to 2.5 metres during the morning.
Swell: Southwesterly 2 metres, increasing to 2 to 3 metres during the morning, then tending west to southwesterly 3 to 4 metres later in the evening.
Forecast for Monday, 21 September
Weather: Partly cloudy.
Winds: Southwesterly 20 to 30 knots tending south to southwesterly 15 to 25 knots before dawn then becoming variable about 10 knots in the middle of the day.
Seas: 1.5 to 2.5 metres, decreasing below 1 metre around midday.
Swell: Southwesterly 3 to 5 metres.
Forecast for Tuesday, 22 September
Weather: Partly cloudy.
Winds: Easterly 10 to 15 knots tending northeasterly during the morning then becoming variable about 10 knots during the day.
Seas: Below 1 metre.
Swell: Southwesterly 4 to 5 metres.

Forecast for Saturday, 19 September
Weather: Clear.
Winds: Northerly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore.
Swell: Southwesterly 1.5 metres.
Forecast for Sunday, 20 September
Weather: Becoming cloudy.
Winds: Northerly 20 to 25 knots shifting south to southwesterly 15 to 20 knots in the evening.
Seas: 1 to 2 metres.
Swell: Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres by early evening.
Forecast for Monday, 21 September
Weather: Cloudy.
Winds: Southerly 15 to 20 knots turning east to southeasterly 10 to 15 knots during the day.
Seas: 1 to 1.5 metres, decreasing to 1 metre around midday.
Swell: Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres during the morning.
Forecast for Tuesday, 22 September
Weather: Cloud clearing.
Winds: Easterly 10 to 15 knots turning south to southeasterly during the day then tending east to southeasterly during the evening.
Seas: Around 1 metre.
Swell: Southwesterly 3 to 4 metres, decreasing to 3 metres during the morning.

Forecast for Saturday, 19 September
Weather: Clear.
Winds: Northwesterly 15 to 20 knots turning northerly in the evening.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 1.5 metres.
Forecast for Sunday, 20 September
Weather: Becoming cloudy.
Winds: Northerly 15 to 25 knots, reaching up to 30 knots during the day. Winds shifting southwesterly 20 to 25 knots in the late afternoon.
Seas: 1 to 2 metres.
Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres by early evening.
Forecast for Monday, 21 September
Weather: Cloudy.
Winds: Southeast to southwesterly 15 to 20 knots becoming southeasterly 10 to 15 knots in the morning then tending easterly in the evening.
Seas: 1 to 2 metres, decreasing below 1 metre around midday.
Swell: Southwesterly 3 to 5 metres.
Forecast for Tuesday, 22 September
Weather: Partly cloudy.
Winds: East to northeasterly 10 to 15 knots.
Seas: Around 1 metre.
Swell: Southwesterly 3 to 4 metres.

Forecast for Saturday, 19 September
Weather: Clear.
Winds: Northeasterly 10 to 15 knots tending northerly in the evening. Winds reaching up to 20 knots south of Cowell to Wallaroo in the late evening.
Seas: Below 1 metre.
Swell: South to southwesterly below 1 metre.
Forecast for Sunday, 20 September
Weather: Becoming cloudy.
Winds: Northerly 15 to 25 knots shifting southwesterly in the late morning.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: South to southwesterly around 1 metre.
Forecast for Monday, 21 September
Weather: Cloudy.
Winds: South to southwesterly 15 to 20 knots turning southeasterly in the morning.
Seas: 1 to 1.5 metres, decreasing to 1 metre around midday, increasing to 1 to 1.5 metres north of Cowell to Wallaroo during the afternoon.
Swell: South to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Forecast for Tuesday, 22 September
Weather: Sunny.
Winds: East to southeasterly 10 to 15 knots tending east to northeasterly during the morning then tending east to southeasterly during the afternoon.
Seas: Around 1 metre.
Swell: South to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres south of Cowell to Wallaroo.

Forecast for Saturday, 19 September
Weather: Clear.
Winds: Northwesterly 10 to 15 knots turning northerly in the evening.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Sunday, 20 September
Weather: Mostly sunny.
Winds: Northerly 15 to 25 knots, reaching up to 30 knots offshore during the morning and early afternoon. Winds shifting west to southwesterly 20 to 25 knots in the early afternoon.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Forecast for Monday, 21 September
Weather: Cloudy.
Winds: South to southwesterly 20 to 25 knots turning southeasterly 10 to 15 knots in the late morning and afternoon.
Seas: 1 to 2 metres, decreasing to 1 metre around midday.
Swell: Southwesterly 2.5 to 3 metres, increasing to 3 to 5 metres during the morning.
Forecast for Tuesday, 22 September
Weather: Mostly sunny.
Winds: Easterly 10 to 15 knots tending northeasterly during the morning then turning east to southeasterly during the afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 4 metres.

Forecast for Saturday, 19 September
Weather: Clear.
Winds: Northerly 15 to 20 knots.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres.
Forecast for Sunday, 20 September
Weather: Becoming cloudy.
Winds: North to northwesterly 15 to 20 knots, reaching up to 25 knots south of Streaky Bay early in the morning. Winds shifting south to southwesterly during the day.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
Swell: Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres later in the evening.
Forecast for Monday, 21 September
Weather: Cloudy.
Winds: Southerly 15 to 20 knots turning southeasterly 10 to 15 knots in the early morning.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 3 metres, increasing to 2.5 to 4 metres south of Streaky Bay.
Forecast for Tuesday, 22 September
Weather: Sunny.
Winds: Easterly 10 to 15 knots becoming variable below 10 knots during the morning then becoming east to southeasterly 10 to 15 knots during the afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres south of Streaky Bay.
Cummins Aero
▲ N
Calm
· 28 °C
Warnings
No warnings within 100 km.
State Wide
Marine
View all SA warnings
Temperature
Yallunda Flat
28 °C 27 °C 2pm 10 °C 12am
↓ Cooling
Now: 28 °C
Tides
Louth Bay
2:04pm 0.91m 9:25pm 0.43m
↓ Falling
Current: 0.74m
Weather Now for Yallunda Flat
Clear.
28 °C
Feels like 27 °C
Wind
Calm WSW
Humidity
30%
Pressure
1019 hPa
At Cummins Aero
Nearby Wind
50 km radius
N S W E Calm Cummins Aero 9 kn Port Lincoln Airport
Yallunda Flat
Calm WSW
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