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BoM St Marys Marine Weather Forecast

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Mean Sea Level Prognosis Charts

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Other SA Coastal Waters Forecasts

Forecast for Tuesday, 22 September
Weather: Mostly sunny.
Winds: Easterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southwesterly 3 to 4 metres, decreasing to 3 metres later in the evening.
Forecast for Wednesday, 23 September
Weather: Mostly sunny.
Winds: Easterly 10 to 15 knots turning northeasterly before dawn.
Seas: Around 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Thursday, 24 September
Weather: Cloudy. 50% chance of showers.
Winds: North to northeasterly 15 to 20 knots tending north to northwesterly during the day then becoming variable about 10 knots during the afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2 metres.

Forecast for Tuesday, 22 September
Weather: Sunny.
Winds: East to northeasterly 10 to 15 knots tending east to southeasterly 15 to 20 knots in the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres inshore by early evening.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Wednesday, 23 September
Weather: Partly cloudy. 50% chance of showers.
Winds: Northeast to southeasterly 10 to 15 knots tending northwest to northeasterly in the late evening.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Thursday, 24 September
Weather: Partly cloudy. 50% chance of showers. The chance of a thunderstorm.
Winds: Northwest to northeasterly 10 to 15 knots tending northwest to southwesterly during the morning then tending southeast to southwesterly during the afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon.

Forecast for Tuesday, 22 September
Weather: Sunny.
Winds: East to northeasterly about 10 knots tending south to southeasterly 10 to 15 knots in the middle of the day then tending east to southeasterly in the evening.
Seas: Below 1 metre.
Swell: Southeast to southwesterly below 0.5 metres.
Forecast for Wednesday, 23 September
Weather: Mostly sunny.
Winds: Easterly 10 to 15 knots tending northeasterly before dawn then becoming variable about 10 knots in the morning.
Seas: Below 1 metre.
Swell: West to southwesterly below 0.5 metres.
Forecast for Thursday, 24 September
Weather: Partly cloudy.
Winds: Northeasterly 10 to 15 knots tending northerly 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 Tuesday, 22 September
Weather: Sunny.
Winds: East to northeasterly 10 to 15 knots tending east to southeasterly in the early afternoon.
Seas: Below 1 metre.
Swell: West to southwesterly around 1 metre, increasing to 1 to 2 metres through the Backstairs Passage.
Forecast for Wednesday, 23 September
Weather: Mostly sunny.
Winds: East to northeasterly 10 to 15 knots decreasing to about 10 knots in the early afternoon.
Seas: Around 1 metre.
Swell: West to southwesterly around 1 metre.
Forecast for Thursday, 24 September
Weather: Partly cloudy.
Winds: North to northeasterly 10 to 15 knots becoming variable below 10 knots during the afternoon.
Seas: Below 1 metre.
Swell: West to southwesterly below 1 metre.

Forecast for Tuesday, 22 September
Weather: Mostly sunny.
Winds: Variable about 10 knots becoming east to southeasterly 10 to 15 knots in the evening.
Seas: Below 1 metre.
Swell: Southwesterly 4 to 5 metres.
Forecast for Wednesday, 23 September
Weather: Sunny.
Winds: East to northeasterly 10 to 15 knots decreasing to about 10 knots before dawn.
Seas: Below 1 metre.
Swell: Southwesterly 3 to 4 metres, decreasing to 2.5 to 3 metres during the morning.
Forecast for Thursday, 24 September
Weather: Cloudy. 50% chance of showers.
Winds: North to northeasterly 10 to 15 knots turning northwesterly during the evening.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 2.5 metres.

Forecast for Tuesday, 22 September
Weather: Sunny.
Winds: East to southeasterly about 10 knots tending south to southeasterly 10 to 15 knots in the early afternoon then tending east to southeasterly in the evening. Winds reaching up to 20 knots offshore in the late evening.
Seas: Around 1 metre.
Swell: Southwesterly 3 metres.
Forecast for Wednesday, 23 September
Weather: Mostly sunny.
Winds: East to northeasterly 10 to 15 knots tending north to northeasterly in the early morning then tending northeast to southeasterly in the late afternoon. Winds reaching up to 20 knots offshore in the late evening.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 3 metres.
Forecast for Thursday, 24 September
Weather: Cloudy.
Winds: Northerly 10 to 15 knots shifting west to southwesterly below 10 knots during the afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the evening.

Forecast for Tuesday, 22 September
Weather: Mostly sunny.
Winds: Northeasterly 10 to 15 knots turning easterly in the middle of the day.
Seas: Around 1 metre.
Swell: Southwesterly 3 to 4 metres.
Forecast for Wednesday, 23 September
Weather: Mostly sunny.
Winds: Northeasterly 10 to 15 knots.
Seas: Around 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Thursday, 24 September
Weather: Cloudy. 60% chance of showers.
Winds: North to northeasterly 15 to 20 knots turning west to northwesterly below 10 knots during the afternoon.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the evening.
Swell: Southwesterly 1.5 to 2.5 metres.

Forecast for Tuesday, 22 September
Weather: Sunny.
Winds: Easterly 10 to 15 knots becoming variable about 10 knots in the middle of the day then becoming east to southeasterly 10 to 15 knots in the early afternoon.
Seas: Below 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 Wednesday, 23 September
Weather: Mostly sunny.
Winds: East to northeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: South to southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Forecast for Thursday, 24 September
Weather: Partly cloudy.
Winds: North to northeasterly 10 to 15 knots shifting south to southwesterly during the evening.
Seas: Around 1 metre.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.

Forecast for Tuesday, 22 September
Weather: Sunny.
Winds: East to northeasterly 10 to 15 knots tending east to southeasterly in the middle of the day.
Seas: Below 1 metre.
Swell: Southwesterly 4 metres.
Forecast for Wednesday, 23 September
Weather: Mostly sunny.
Winds: Easterly 10 to 15 knots tending northeasterly before dawn then becoming variable about 10 knots in the middle of the day.
Seas: Below 1 metre.
Swell: Southwesterly 3 to 4 metres, decreasing to 2.5 to 3 metres during the morning.
Forecast for Thursday, 24 September
Weather: Partly cloudy.
Winds: North to northeasterly 10 to 15 knots tending north to northwesterly below 10 knots during the morning.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2.5 metres.

Forecast for Tuesday, 22 September
Weather: Sunny.
Winds: East to northeasterly about 10 knots tending east to southeasterly 10 to 15 knots in the morning.
Seas: Below 1 metre.
Swell: Southwesterly 3 metres.
Forecast for Wednesday, 23 September
Weather: Mostly sunny.
Winds: East to northeasterly 10 to 15 knots tending east to southeasterly in the early afternoon then tending east to northeasterly in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 3 metres, decreasing to 2 metres later in the evening.
Forecast for Thursday, 24 September
Weather: Partly cloudy.
Winds: North to northeasterly 10 to 15 knots shifting south to southwesterly during the afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the evening.
Adelaide Airport
▲ N
4 kn NE
· 18 °C
Warnings
No warnings within 100 km.
State Wide
Agricultural
View all SA warnings
Temperature
St Marys
18 °C 7 °C 5am 20 °C 3pm
↑ Warming
Now: 18 °C
Tides
Glenelg East
10:15am 1.38m 3:13pm 1.66m
↑ Rising
Current: 1.50m
Weather Now for St Marys
Sunny.
18 °C
Feels like 15 °C
Wind
4 kn NE
Humidity
36%
Pressure
1028 hPa
At Adelaide Airport
Nearby Wind
50 km radius
N S W E 5 kn Parafield Airport 8 kn Kuitpo Mount Barker 6 kn Outer Harbour 2 kn Sellicks Hill 9 kn Mount Crawford
St Marys
4 kn NE
Recent Locations
St Marys
4 kn NE
 18°
Big Pats Creek -
Sapphiretown
7 kn NNE
 16°
Kenwick
9 kn WSW
 18°
Yerriyong -
Wingham
7 kn E
 20°
Caloundra
12 kn SE
 25°
Sun
6:05am rise 6:12pm set
12 h 6 m of daylight
Now: 12:30pm
131 seconds more than yesterday
Moon
1:42pmrise 3:33amset
79% illuminated
Waxing Gibbous
Live Weather
Nearby
Adelaide Airport, SA
4 kn NE
 18°
Adelaide (West Terrace / Ngayirdapira), SA
6 kn N
 19°
Noarlunga, SA
5 kn W
 17°
Parafield Airport, SA
5 kn ENE
 19°
Kuitpo, SA
8 kn NE
 15°
Outer Harbour, SA
6 kn NNE
Windiest in Australia
Maatsuyker Island, TAS
31 kn NW
 12°
Most Windless in Australia
Combienbar, VIC
Calm
13°
Hottest in Australia
Wyndham Airport, WA
15 kn E
 37°
Coldest in Australia
Mount Read, TAS
6 kn S
 2°
Wettest in Australia
Norah Head, NSW
 1.8 mm
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