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BoM Semaphore Marine Weather Forecast

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Forecast for Monday, 9 November
Weather: Mostly clear. The chance of a thunderstorm.
Winds: Northeasterly 15 to 20 knots turning easterly 10 to 15 knots in the late afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 metres.
Forecast for Tuesday, 10 November
Weather: Cloudy.
Winds: South to southeasterly 10 to 15 knots becoming southerly 15 to 25 knots before dawn. Winds may reach up to 30 knots at times.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 1.5 metres, increasing to 2 to 3 metres during the morning. South to southeasterly around 1 metre.
Forecast for Wednesday, 11 November
Weather: Cloudy.
Winds: Southerly 15 to 20 knots turning southeasterly in the late morning and early afternoon.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 2.5 to 3 metres. South to southeasterly around 1 metre.
Forecast for Thursday, 12 November
Weather: Partly cloudy.
Winds: Southeasterly 15 to 20 knots.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2.5 metres.

Forecast for Monday, 9 November
Weather: Partly cloudy.
Winds: Southwesterly 20 to 25 knots.
Seas: 2 metres.
Swell: South to southeasterly 1 to 1.5 metres, tending south to southwesterly around 1 metre by early evening, then tending southwesterly 1 to 1.5 metres later in the evening.
Forecast for Tuesday, 10 November
Weather: Cloudy.
Winds: South to southwesterly 15 to 20 knots tending south to southeasterly during the morning and early afternoon.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2.5 metres during the morning. Southeasterly below 1 metre, tending southerly 1 to 1.5 metres during the morning, then tending south to southeasterly around 1 metre by early evening.
Forecast for Wednesday, 11 November
Weather: Cloudy.
Winds: Southeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres inshore by early evening.
Swell: Southwesterly 2 to 2.5 metres. Southeasterly around 1 metre.
Forecast for Thursday, 12 November
Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: Easterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the morning.

Forecast for Monday, 9 November
Weather: Partly cloudy. The chance of a thunderstorm.
Winds: East to northeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southeast to southwesterly below 0.5 metres.
Forecast for Tuesday, 10 November
Weather: Mostly sunny. The chance of a thunderstorm with little or no rainfall in the morning.
Winds: North to northeasterly 10 to 15 knots shifting south to southwesterly 15 to 25 knots in the middle of the day.
Seas: Below 1 metre, increasing to 1 to 2 metres during the afternoon.
Swell: West to southwesterly below 0.5 metres.
Forecast for Wednesday, 11 November
Weather: Cloudy.
Winds: Southerly 15 to 25 knots turning southeasterly 15 to 20 knots in the late evening.
Seas: 1.5 to 2 metres.
Swell: West to southwesterly below 0.5 metres.
Forecast for Thursday, 12 November
Weather: Mostly sunny.
Winds: Southeasterly 15 to 20 knots turning southerly during the morning.
Seas: 1 to 1.5 metres.
Swell: West to southwesterly below 0.5 metres.

Forecast for Monday, 9 November
Weather: Partly cloudy. The chance of a thunderstorm.
Winds: Easterly 10 to 15 knots.
Seas: Around 1 metre.
Swell: West to southwesterly below 1 metre.
Forecast for Tuesday, 10 November
Weather: Becoming cloudy. The chance of a thunderstorm with little or no rainfall in the morning.
Winds: East to northeasterly 10 to 15 knots tending northwest to northeasterly before dawn then tending south to southwesterly 15 to 25 knots in the morning.
Seas: Around 1 metre, increasing to 1 to 2 metres during the afternoon.
Swell: West to southwesterly below 1 metre.
Forecast for Wednesday, 11 November
Weather: Cloudy.
Winds: Southerly 15 to 20 knots turning southeasterly in the evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres through the Backstairs Passage.
Swell: West to southwesterly around 1 metre.
Forecast for Thursday, 12 November
Weather: Partly cloudy.
Winds: Southeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: West to southwesterly around 1 metre.

Forecast for Monday, 9 November
Weather: Partly cloudy.
Winds: Easterly about 10 knots increasing to 10 to 15 knots in the late afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2 metres south of Port MacDonnell.
Forecast for Tuesday, 10 November
Weather: Partly cloudy. The chance of a thunderstorm with little or no rainfall in the morning and early afternoon.
Winds: North to northeasterly about 10 knots tending southeasterly 10 to 15 knots in the morning then tending southerly 15 to 25 knots in the middle of the day. Winds reaching up to 30 knots north of Beachport in the evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the afternoon, then increasing to 1.5 to 2 metres by early evening.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2.5 metres during the morning. East to southeasterly around 1 metre south of Beachport.
Forecast for Wednesday, 11 November
Weather: Cloudy.
Winds: Southerly 15 to 25 knots turning southeasterly 10 to 15 knots in the evening.
Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres around midday.
Swell: Southwesterly 2.5 to 3 metres. South to southeasterly around 1 metre.
Forecast for Thursday, 12 November
Weather: Cloudy.
Winds: Southeasterly 15 to 20 knots.
Seas: Below 1 metre, increasing to 1 to 1.5 metres north of Port MacDonnell during the evening.
Swell: Southwesterly 2 to 2.5 metres.

Forecast for Monday, 9 November
Weather: Mostly clear. The chance of a thunderstorm inshore early this evening.
Winds: East to northeasterly 10 to 15 knots shifting south to southwesterly in the late afternoon. Winds reaching up to 20 knots offshore in the evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore later in the evening.
Swell: Southwesterly 1.5 metres.
Forecast for Tuesday, 10 November
Weather: Cloudy.
Winds: Southwesterly 15 to 25 knots turning southerly 20 to 25 knots early in the morning.
Seas: 1 to 2 metres.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2.5 metres during the morning. Southeast to southwesterly around 1 metre.
Forecast for Wednesday, 11 November
Weather: Cloudy.
Winds: Southerly 15 to 20 knots turning southeasterly before dawn.
Seas: 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
Swell: Southwesterly 2 to 2.5 metres. South to southeasterly around 1 metre.
Forecast for Thursday, 12 November
Weather: Partly cloudy.
Winds: Southeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the evening.

Forecast for Monday, 9 November
Weather: Partly cloudy. The chance of a thunderstorm.
Winds: Northeasterly 10 to 15 knots turning easterly in the evening.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 metres.
Forecast for Tuesday, 10 November
Weather: Partly cloudy. The chance of a thunderstorm in the morning.
Winds: Variable about 10 knots becoming southerly 15 to 25 knots before dawn. Winds reaching up to 30 knots in the late afternoon.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres around midday.
Forecast for Wednesday, 11 November
Weather: Cloudy.
Winds: Southerly 15 to 20 knots turning southeasterly during the afternoon and evening.
Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 2.5 to 3 metres. Southeasterly around 1 metre.
Forecast for Thursday, 12 November
Weather: Cloudy.
Winds: Southeasterly 10 to 15 knots.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 2.5 metres.

Forecast for Monday, 9 November
Weather: Partly cloudy. The chance of a thunderstorm.
Winds: East to northeasterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Swell: South to southwesterly around 1 metre.
Forecast for Tuesday, 10 November
Weather: Partly cloudy.
Winds: Northwest to northeasterly 10 to 15 knots tending northwest to southwesterly 15 to 25 knots before dawn then tending south to southwesterly in the morning. Winds reaching up to 30 knots during the afternoon and evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo during the afternoon.
Forecast for Wednesday, 11 November
Weather: Cloudy.
Winds: Southerly 15 to 25 knots turning southeasterly 15 to 20 knots in the evening.
Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1 to 2 metres during the afternoon.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Forecast for Thursday, 12 November
Weather: Partly cloudy.
Winds: South to southeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.

Forecast for Monday, 9 November
Weather: Partly cloudy. The chance of a thunderstorm later tonight.
Winds: East to northeasterly 10 to 15 knots decreasing to about 10 knots in the evening.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 metres.
Forecast for Tuesday, 10 November
Weather: Mostly sunny. The chance of a thunderstorm with little or no rainfall in the morning.
Winds: Northeasterly 10 to 15 knots shifting south to southwesterly 15 to 25 knots in the late morning. Winds reaching up to 30 knots south of Salt Creek in the evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the afternoon, then increasing to 2 to 2.5 metres by early evening.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Forecast for Wednesday, 11 November
Weather: Cloudy.
Winds: Southerly 20 to 25 knots turning southeasterly 15 to 20 knots in the late evening.
Seas: 1.5 to 2 metres.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Thursday, 12 November
Weather: Partly cloudy.
Winds: South to southeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2 to 2.5 metres.

Forecast for Monday, 9 November
Weather: Mostly clear.
Winds: Southwesterly 15 to 20 knots, reaching up to 25 knots inshore in the late afternoon.
Seas: 1 to 2 metres.
Swell: Southwesterly 1 to 1.5 metres, decreasing to around 1 metre later in the evening.
Forecast for Tuesday, 10 November
Weather: Cloudy.
Winds: Southwesterly 15 to 25 knots turning southerly in the early morning.
Seas: 1 to 2 metres.
Swell: Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning. Southeast to southwesterly around 1 metre.
Forecast for Wednesday, 11 November
Weather: Cloudy.
Winds: Southeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
Swell: Southwesterly 2 to 2.5 metres. South to southeasterly around 1 metre.
Forecast for Thursday, 12 November
Weather: Partly cloudy. The chance of a thunderstorm in the evening.
Winds: East to southeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon.
Outer Harbour
▲ N
15 kn ENE
· 26 °C
Warnings
No warnings within 100 km.
State Wide
Fire Marine
View all SA warnings
Temperature
Semaphore
26 °C 27 °C 4pm 14 °C 5am
↓ Cooling
Now: 26 °C
Tides
Semaphore
11:38am 0.28m 5:32pm 1.98m
↑ Rising
Current: 1.93m
Weather Now for Semaphore
Possible shower.
26 °C
Feels like 20 °C
Wind
15 kn ENE
Humidity
18%
Pressure
1011 hPa
At Edinburgh Airport
Nearby Wind
50 km radius
N S W E 12 kn Edinburgh Airport 5 kn Mount Lofty 4 kn Noarlunga 17 kn Roseworthy Mount Barker 8 kn Kuitpo 17 kn Mount Crawford
Semaphore
15 kn ENE
Recent Locations
Semaphore
15 kn ENE
 26°
Semaphore (Surf Spot)
15 kn ENE
 26°
Largs Bay
15 kn ENE
 26°
Sun
6:07am rise 7:53pm set
13 h 45 m of daylight
Now: 4:54pm
109 seconds more than yesterday
Moon
5:37amrise 8:12pmset
0% illuminated
New Moon
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