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BoM Stephenston Marine Weather Forecast

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Forecast for Sunday, 13 September
Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm this morning.
Winds: North to northwesterly 15 to 20 knots turning westerly 15 to 25 knots early in the morning.
Seas: 1 to 2 metres, decreasing to 1 metre later in the evening.
Swell: Southwesterly 1.5 to 2.5 metres.
Forecast for Monday, 14 September
Weather: Partly cloudy. 50% chance of showers.
Winds: Westerly 15 to 20 knots turning south to southwesterly in the evening.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 2.5 metres, tending westerly 2 to 2.5 metres around midday, then tending southwesterly 2 to 2.5 metres by early evening.
Forecast for Tuesday, 15 September
Weather: Cloudy.
Winds: Southerly 15 to 20 knots turning southeasterly during the afternoon.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres during the morning.

Forecast for Sunday, 13 September
Weather: The chance of a thunderstorm this morning. Mostly sunny afternoon.
Winds: West to southwesterly 15 to 20 knots tending south to southwesterly 10 to 15 knots in the late afternoon then becoming variable below 10 knots in the late 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 around midday.
Forecast for Monday, 14 September
Weather: Sunny.
Winds: Northeasterly 10 to 15 knots becoming variable about 10 knots in the early morning then becoming southeasterly 10 to 15 knots in the late afternoon. Winds reaching up to 20 knots offshore in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2.5 metres.
Forecast for Tuesday, 15 September
Weather: Cloudy.
Winds: East to southeasterly 15 to 25 knots.
Seas: 1 to 2 metres.
Swell: Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.

Forecast for Sunday, 13 September
Weather: 90% chance of showers in the morning. The chance of a thunderstorm in the morning, with possible squalls above 40 knots north of Port Vincent to Brighton. Mostly sunny afternoon.
Winds: North to northwesterly 15 to 20 knots turning westerly in the middle of the day.
Seas: 1 to 1.5 metres, decreasing to 1 metre by early evening.
Swell: West to southwesterly below 0.5 metres.
Forecast for Monday, 14 September
Weather: Cloudy.
Winds: Westerly 10 to 15 knots turning southwesterly during the day.
Seas: Below 1 metre.
Swell: South to southwesterly below 0.5 metres.
Forecast for Tuesday, 15 September
Weather: Cloudy.
Winds: South to southwesterly 15 to 20 knots tending south to southeasterly during the day.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: South to southwesterly below 1 metre.

Forecast for Sunday, 13 September
Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm this morning.
Winds: North to northwesterly 15 to 20 knots turning westerly 15 to 25 knots in the late morning.
Seas: 1 to 2 metres, decreasing to 1 metre later in the evening.
Swell: West to southwesterly around 1 metre.
Forecast for Monday, 14 September
Weather: Partly cloudy.
Winds: Westerly 10 to 15 knots turning southwesterly in the evening. Winds reaching up to 20 knots through the Backstairs Passage in the late evening.
Seas: Around 1 metre.
Swell: West to southwesterly around 1 metre, increasing to 1 to 1.5 metres around midday.
Forecast for Tuesday, 15 September
Weather: Cloudy.
Winds: South to southwesterly 15 to 20 knots tending south to southeasterly during the day.
Seas: 1 to 1.5 metres.
Swell: West to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres inshore.

Forecast for Sunday, 13 September
Weather: Partly cloudy. 90% chance of showers north of Port MacDonnell, 60% chance elsewhere. The chance of a thunderstorm from late this morning.
Winds: Northerly 15 to 20 knots turning westerly in the evening.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Monday, 14 September
Weather: Cloudy. 70% chance of showers.
Winds: Westerly 15 to 20 knots, reaching up to 25 knots south of Port MacDonnell in the late afternoon. Winds turning southwesterly in the evening.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2 to 2.5 metres, tending westerly 2.5 to 3 metres later in the evening.
Forecast for Tuesday, 15 September
Weather: Partly cloudy.
Winds: Southwesterly 20 to 30 knots turning southerly 15 to 25 knots during the afternoon.
Seas: 1.5 to 2.5 metres.
Swell: Southwesterly 3 metres, increasing to 3 to 5 metres during the morning.

Forecast for Sunday, 13 September
Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm early this morning.
Winds: Northwesterly 15 to 20 knots turning westerly in the early morning.
Seas: 1 to 1.5 metres, decreasing to 1 metre by early evening.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Monday, 14 September
Weather: Partly cloudy.
Winds: West to southwesterly 10 to 15 knots tending south to southwesterly in the evening.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Tuesday, 15 September
Weather: Cloudy.
Winds: Southerly 15 to 20 knots turning southeasterly during the morning.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2 to 3 metres, increasing to 3 to 4 metres during the afternoon.

Forecast for Sunday, 13 September
Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm this morning.
Winds: Northerly 15 to 20 knots turning westerly 15 to 25 knots during the morning.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Monday, 14 September
Weather: Partly cloudy. 60% chance of showers.
Winds: Westerly 15 to 20 knots turning southwesterly in the evening.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2 to 3 metres.
Forecast for Tuesday, 15 September
Weather: Cloudy.
Winds: South to southwesterly 15 to 20 knots tending south to southeasterly during the day.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres during the morning.

Forecast for Sunday, 13 September
Weather: Partly cloudy. 90% chance of showers south of Cowell to Wallaroo, 60% chance elsewhere. The chance of a thunderstorm in the morning with possible squalls above 40 knots.
Winds: North to northwesterly 15 to 20 knots turning west to southwesterly in the late morning.
Seas: 1 to 1.5 metres.
Swell: South to southwesterly around 1 metre.
Forecast for Monday, 14 September
Weather: Partly cloudy.
Winds: Westerly 10 to 15 knots turning south to southwesterly in the late morning and afternoon.
Seas: Around 1 metre.
Swell: South to southwesterly around 1 metre.
Forecast for Tuesday, 15 September
Weather: Cloudy.
Winds: South to southwesterly 15 to 20 knots tending south to southeasterly during the day.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: South to southwesterly around 1 metre, increasing to 1 to 2 metres during the morning.

Forecast for Sunday, 13 September
Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm during the morning and afternoon.
Winds: Northerly 15 to 20 knots turning westerly in the early afternoon.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Monday, 14 September
Weather: Partly cloudy. 60% chance of showers.
Winds: Westerly 10 to 15 knots, reaching up to 20 knots offshore during the afternoon and evening. Winds tending southwesterly in the late evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore.
Swell: Southwesterly 2 metres.
Forecast for Tuesday, 15 September
Weather: Cloudy.
Winds: Southwesterly 15 to 20 knots turning southerly during the morning.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2 to 3 metres, increasing to 3 to 4 metres during the morning.

Forecast for Sunday, 13 September
Weather: Partly cloudy. The chance of a thunderstorm early this morning.
Winds: Westerly 15 to 20 knots turning southwesterly 10 to 15 knots in the early afternoon.
Seas: 1 to 1.5 metres, decreasing below 1 metre by early evening.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the morning, then increasing to 1.5 to 2 metres around midday.
Forecast for Monday, 14 September
Weather: Sunny.
Winds: West to southwesterly about 10 knots tending south to southwesterly 10 to 15 knots in the late afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Tuesday, 15 September
Weather: Partly cloudy.
Winds: Southeasterly 15 to 25 knots.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.
Port Augusta
▲ N
6 kn NNW
· 19 °C
Warnings
No warnings within 100 km.
State Wide
View all SA warnings
Temperature
Stephenston
19 °C 27 °C 3pm 10 °C 11pm
↓ Cooling
Now: 19 °C
Tides
Port Paterson
8:47am 3.22m 3:01pm 0.24m
↓ Falling
Current: 3.21m
Weather Now for Stephenston
Mostly sunny.
19 °C
Feels like 18 °C
Wind
6 kn NNW
Humidity
67%
Pressure
1019 hPa
At Port Augusta
Nearby Wind
50 km radius
N S W E 6 kn Port Augusta
Stephenston
6 kn NNW
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Sun
6:19am rise 6:07pm set
11 h 48 m of daylight
Now: 8:56am
117 seconds more than yesterday
Moon
7:12amrise 8:27pmset
4% illuminated
Waxing Crescent
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