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BoM Underdale Marine Weather Forecast

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Forecast for Friday, 18 September
Weather: Clear.
Winds: Northwesterly 10 to 15 knots, reaching up to 20 knots in the west in the late afternoon. Winds turning northerly in the late evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre later in the evening.
Swell: Southwesterly 2 metres.
Forecast for Saturday, 19 September
Weather: Sunny.
Winds: Northerly 15 to 20 knots.
Seas: Below 1 metre, increasing to 1 to 1.5 metres in the west.
Swell: Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres in the west.
Forecast for Sunday, 20 September
Weather: Becoming cloudy.
Winds: Northerly 20 to 25 knots shifting southwesterly 15 to 20 knots in the late afternoon.
Seas: 1 to 2 metres.
Swell: Southwesterly 1 to 2 metres, increasing to 2 to 3 metres in the west by early evening.
Forecast for Monday, 21 September
Weather: Cloudy.
Winds: Southerly 15 to 20 knots turning easterly 10 to 15 knots during the day.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres during the morning.

Forecast for Friday, 18 September
Weather: Clear.
Winds: Northeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 metres.
Forecast for Saturday, 19 September
Weather: Sunny.
Winds: Northerly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre during the afternoon.
Swell: Southwesterly 1 to 1.5 metres.
Forecast for Sunday, 20 September
Weather: Mostly sunny.
Winds: Southwesterly 15 to 25 knots turning southerly 10 to 15 knots in the evening.
Seas: 1.5 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 turning easterly 15 to 20 knots during the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres inshore during the evening.
Swell: Southwesterly 2.5 to 3 metres.

Forecast for Friday, 18 September
Weather: Clear.
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: West to southwesterly below 0.5 metres.
Forecast for Saturday, 19 September
Weather: Sunny.
Winds: Northerly 10 to 15 knots, 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: North to northwesterly 15 to 25 knots turning west to southwesterly 15 to 20 knots in the late morning.
Seas: 1 to 1.5 metres, decreasing to 1 metre around midday, then increasing to 1 to 1.5 metres by early evening.
Swell: West to southwesterly below 0.5 metres.
Forecast for Monday, 21 September
Weather: Cloudy.
Winds: South to southwesterly 15 to 20 knots tending south to southeasterly during the morning then tending east to southeasterly 10 to 15 knots during the evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
Swell: South to southwesterly below 1 metre.

Forecast for Friday, 18 September
Weather: Clear.
Winds: North to northwesterly 10 to 15 knots decreasing to about 10 knots in the late afternoon.
Seas: Below 1 metre.
Swell: West to southwesterly below 1 metre.
Forecast for Saturday, 19 September
Weather: Sunny.
Winds: Northerly 15 to 20 knots.
Seas: Below 1 metre.
Swell: West to southwesterly below 1 metre.
Forecast for Sunday, 20 September
Weather: Partly cloudy.
Winds: Northerly 15 to 20 knots shifting west to southwesterly 15 to 25 knots during the morning and early afternoon.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: West to southwesterly around 1 metre.
Forecast for Monday, 21 September
Weather: Cloudy.
Winds: South to southwesterly 15 to 20 knots turning east to southeasterly 10 to 15 knots during 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.

Forecast for Friday, 18 September
Weather: Clear.
Winds: Northwesterly 15 to 20 knots, reaching up to 25 knots south of Port MacDonnell during the afternoon and evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres south of Beachport.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Saturday, 19 September
Weather: Sunny.
Winds: Northwesterly 15 to 20 knots, reaching up to 25 knots south of Port MacDonnell early in the morning. Winds turning northerly in the evening.
Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre by early evening.
Swell: Westerly 2 to 3 metres, tending southwesterly 2 to 2.5 metres during the afternoon.
Forecast for Sunday, 20 September
Weather: Becoming cloudy.
Winds: Northerly 15 to 25 knots shifting west to southwesterly 20 to 30 knots 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 metres later in the evening.
Forecast for Monday, 21 September
Weather: Partly cloudy.
Winds: South to southwesterly 15 to 25 knots turning east to southeasterly 10 to 15 knots during the afternoon.
Seas: 1 to 2 metres, decreasing below 1 metre during the afternoon.
Swell: Southwesterly 3 to 5 metres.

Forecast for Friday, 18 September
Weather: Clear.
Winds: Northwesterly 10 to 15 knots becoming variable about 10 knots in the evening.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres later in the evening.
Forecast for Saturday, 19 September
Weather: Sunny.
Winds: Northerly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore during the morning.
Swell: Southwesterly 1.5 metres.
Forecast for Sunday, 20 September
Weather: Becoming cloudy.
Winds: North to northwesterly 20 to 25 knots turning west to southwesterly 15 to 20 knots early in the morning then tending south to southwesterly in the late evening.
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 around midday.
Forecast for Monday, 21 September
Weather: Cloudy.
Winds: Southerly 15 to 20 knots turning east to southeasterly during the morning.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres during the morning.

Forecast for Friday, 18 September
Weather: Clear.
Winds: Northwesterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Saturday, 19 September
Weather: Sunny.
Winds: Northwesterly 15 to 20 knots turning northerly in the late afternoon.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon.
Forecast for Sunday, 20 September
Weather: Becoming cloudy.
Winds: North to northwesterly 20 to 25 knots shifting southwesterly 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 during the morning then tending easterly during the afternoon.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 3 metres, increasing to 3 to 5 metres during the morning.

Forecast for Friday, 18 September
Weather: Clear.
Winds: North to northeasterly 10 to 15 knots becoming variable about 10 knots in the evening.
Seas: Below 1 metre.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Forecast for Saturday, 19 September
Weather: Sunny.
Winds: Northwest to northeasterly 10 to 15 knots tending northeasterly in the late afternoon then tending northerly 15 to 20 knots in the evening.
Seas: Below 1 metre.
Swell: South to southwesterly around 1 metre.
Forecast for Sunday, 20 September
Weather: Mostly sunny.
Winds: Northerly 15 to 25 knots shifting southwesterly 15 to 20 knots in the late morning.
Seas: 1 to 2 metres.
Swell: South to southwesterly around 1 metre.
Forecast for Monday, 21 September
Weather: Cloudy.
Winds: Southwesterly 15 to 20 knots turning southeasterly during the morning.
Seas: 1 to 1.5 metres.
Swell: South to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.

Forecast for Friday, 18 September
Weather: Clear.
Winds: Northwesterly 10 to 15 knots, reaching up to 20 knots offshore in the late evening.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Saturday, 19 September
Weather: Sunny.
Winds: Northwesterly 10 to 15 knots, reaching up to 20 knots offshore during the morning. Winds turning northerly in the evening.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres later in the evening.
Forecast for Sunday, 20 September
Weather: Mostly sunny.
Winds: North to northwesterly 15 to 25 knots turning 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: Partly cloudy.
Winds: South to southwesterly 15 to 20 knots turning east to southeasterly 10 to 15 knots during the day.
Seas: 1 to 2 metres, decreasing below 1 metre during the afternoon.
Swell: Southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres during the morning.

Forecast for Friday, 18 September
Weather: Clear.
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2 metres south of Streaky Bay.
Forecast for Saturday, 19 September
Weather: Sunny.
Winds: Northerly 15 to 20 knots.
Seas: Around 1 metre.
Swell: Southwesterly 1 to 1.5 metres.
Forecast for Sunday, 20 September
Weather: Partly cloudy.
Winds: North to northwesterly 15 to 25 knots shifting south to southwesterly 10 to 15 knots during the day.
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 metres later in the evening.
Forecast for Monday, 21 September
Weather: Partly cloudy.
Winds: South to southeasterly 10 to 15 knots tending east to southeasterly during the day.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 3 metres, increasing to 2 to 4 metres south of Streaky Bay.
Adelaide (West Terrace / Ngayirdapira)
▲ N
9 kn WNW
· 23 °C
Warnings
No warnings within 100 km.
State Wide
View all SA warnings
Temperature
Underdale
23 °C 22 °C 2pm 9 °C 6am
↓ Cooling
Now: 23 °C
Tides
Fulham Gardens
1:17pm 0.63m 6:51pm 1.65m
↑ Rising
Current: 1.25m
Weather Now for Underdale
Clear.
23 °C
Feels like 18 °C
Wind
9 kn WNW
Humidity
28%
Pressure
1025 hPa
At Adelaide (West Terrace / Ngayirdapira)
Nearby Wind
50 km radius
N S W E 8 kn Outer Harbour 9 kn Noarlunga Mount Barker 10 kn Kuitpo 11 kn Mount Crawford 8 kn Roseworthy
Underdale
9 kn WNW
Recent Locations
Underdale
9 kn WNW
 23°
Swans Crossing
8 kn NE
 20°
Pink Lily
9 kn E
 23°
Marrangaroo
4 kn W
 17°
Beagle Bay
10 kn NW
 31°
Nilma North
7 kn WNW
 19°
Bena
9 kn WNW
 19°
Sun
6:11am rise 6:09pm set
11 h 57 m of daylight
Now: 4:27pm
129 seconds more than yesterday
Moon
9:58amrise 12:32amset
45% illuminated
First Quarter
Live Weather
Nearby
Adelaide (West Terrace / Ngayirdapira), SA
9 kn WNW
 23°
Adelaide Airport, SA
11 kn NW
 22°
Parafield Airport, SA
10 kn WNW
 22°
Outer Harbour, SA
8 kn W
Edinburgh Airport, SA
10 kn W
 22°
Noarlunga, SA
9 kn NNW
 22°
Windiest in Australia
Mount Wellington, TAS
49 kn W
 10°
Most Windless in Australia
Horsley Park, NSW
Calm
26°
Hottest in Australia
Roebourne Airport, WA
13 kn N
 37°
Coldest in Australia
Mount Read, TAS
24 kn WNW
 5°
Wettest in Australia
Innisfail Aerodrome, QLD
 2.4 mm
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