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BoM Dee Why Marine Weather Forecast

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Forecast for Friday, 4 September
Weather: Partly cloudy.
Winds: Northwesterly 10 to 15 knots, reaching up to 20 knots offshore north of Moruya Heads.
Seas: Below 1 metre, increasing to 1 to 1.5 metres offshore.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Moruya Heads.
Forecast for Saturday, 5 September
Weather: Partly cloudy.
Winds: Northwesterly 15 to 20 knots tending northerly in the early morning then turning west to northwesterly in the early afternoon. Winds reaching up to 30 knots offshore in the evening.
Seas: Around 1 metre, increasing to 1.5 to 2.5 metres during the morning.
Swell: Southerly around 1 metre.
Forecast for Sunday, 6 September
Weather: Mostly sunny.
Winds: Westerly 20 to 30 knots turning southerly 15 to 25 knots in the early afternoon.
Seas: 1.5 to 2.5 metres.
Swell: Southerly below 1 metre, increasing to 2 to 3 metres during the morning, then decreasing to 2 metres by early evening.
Forecast for Monday, 7 September
Weather: Partly cloudy. 70% chance of showers.
Winds: Southerly 20 to 30 knots.
Seas: Around 1 metre, increasing to 1.5 to 2.5 metres during the afternoon or evening.
Swell: Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.

Forecast for Friday, 4 September
Weather: Clear.
Winds: North to northeasterly below 10 knots.
Seas: Below 1 metre.
Swell: Southerly around 1 metre.
Forecast for Saturday, 5 September
Weather: Mostly sunny.
Winds: Variable about 10 knots becoming northerly 15 to 20 knots in the middle of the day.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Cape Byron.
Forecast for Sunday, 6 September
Weather: Sunny.
Winds: North to northwesterly 15 to 25 knots shifting south to southeasterly in the middle of the day.
Seas: 1 to 2 metres.
Swell: Southerly below 1 metre, increasing to 1 to 1.5 metres south of Cape Byron later in the evening. Northwest to northeasterly around 1 metre.
Forecast for Monday, 7 September
Weather: Mostly sunny.
Winds: Southerly 15 to 20 knots turning southeasterly 10 to 15 knots during the afternoon.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southerly 1.5 to 2.5 metres, decreasing to 1.5 metres during the evening.

Forecast for Friday, 4 September
Weather: Clear.
Winds: North to northeasterly below 10 knots.
Seas: Below 0.5 metres.
Swell: Southerly 1.5 metres.
Forecast for Saturday, 5 September
Weather: Sunny.
Winds: Northerly about 10 knots increasing to 15 to 20 knots in the early morning.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre by early evening.
Forecast for Sunday, 6 September
Weather: Sunny.
Winds: Southeast to southwesterly 15 to 25 knots tending southerly 25 to 30 knots in the late afternoon then decreasing to 15 to 25 knots in the evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres around midday.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore by early evening.
Forecast for Monday, 7 September
Weather: Mostly sunny. 50% chance of showers.
Winds: Southerly 15 to 20 knots turning southeasterly 10 to 15 knots during the afternoon.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southerly 1.5 to 2.5 metres.

Forecast for Friday, 4 September
Weather: Mostly clear.
Winds: Variable about 10 knots, reaching up to 20 knots offshore north of Merimbula.
Seas: Below 1 metre, increasing to around 1 metre offshore.
Swell: Southerly 1 to 1.5 metres.
Forecast for Saturday, 5 September
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm offshore south of Merimbula in the late afternoon and evening.
Winds: Northerly 15 to 20 knots turning westerly in the evening. Winds reaching up to 30 knots offshore in the late evening.
Seas: Around 1 metre, increasing to 1.5 to 2 metres during the morning.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Sunday, 6 September
Weather: Partly cloudy.
Winds: Westerly 20 to 30 knots turning south to southwesterly 25 to 35 knots during the morning.
Seas: 2 to 3 metres, decreasing to 1 to 1.5 metres later in the evening.
Swell: Southerly around 1 metre, tending southwesterly 2 to 4 metres during the morning, then tending southerly 1 to 2 metres around midday.
Forecast for Monday, 7 September
Weather: Partly cloudy. 70% chance of showers.
Winds: Southwesterly 20 to 30 knots.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Swell: Southerly 1 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon or evening.

Forecast for Friday, 4 September
Weather: Clear.
Winds: Northerly 10 to 15 knots, reaching up to 20 knots offshore south of Port Stephens.
Seas: Below 1 metre.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore north of Norah Head.
Forecast for Saturday, 5 September
Weather: Mostly sunny day. The chance of a thunderstorm south of Port Stephens in the evening.
Winds: North to northwesterly 15 to 25 knots, reaching up to 30 knots offshore south of Norah Head in the late afternoon.
Seas: Around 1 metre, increasing to 1 to 2 metres around midday.
Swell: Southerly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Forecast for Sunday, 6 September
Weather: Mostly sunny.
Winds: West to northwesterly 15 to 20 knots turning south to southwesterly 15 to 25 knots in the late morning.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Swell: Southerly 1 to 1.5 metres, increasing to 1 to 2 metres around midday, then increasing to 2 to 3 metres by early evening.
Forecast for Monday, 7 September
Weather: Mostly sunny. 60% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: Southerly 15 to 25 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Port Stephens during the evening.
Swell: Southerly 2 to 3 metres, decreasing to 1.5 to 2 metres during the afternoon or evening.

Forecast for Friday, 4 September
Weather: Mostly clear.
Winds: Northwesterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Point Perpendicular.
Forecast for Saturday, 5 September
Weather: Mostly sunny day. The chance of a thunderstorm offshore in the evening.
Winds: North to northwesterly 15 to 25 knots tending west to northwesterly in the late afternoon. Winds reaching up to 30 knots offshore south of Port Kembla in the late evening.
Seas: Below 1 metre, increasing to 1 to 2 metres during the morning.
Swell: Southerly around 1 metre.
Forecast for Sunday, 6 September
Weather: Sunny.
Winds: Westerly 20 to 30 knots turning southerly 15 to 25 knots in the early afternoon.
Seas: 1.5 to 2.5 metres.
Swell: Southerly below 1 metre, increasing to 1.5 to 2.5 metres during the morning.
Forecast for Monday, 7 September
Weather: Partly cloudy. 60% chance of showers.
Winds: Southerly 10 to 15 knots turning west to southwesterly below 10 knots during the morning then tending southerly 20 to 30 knots during the day.
Seas: Around 1 metre, increasing to 1.5 to 2.5 metres during the evening.
Swell: Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.

Forecast for Friday, 4 September
Weather: Clear.
Winds: Northerly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southerly 2 metres.
Forecast for Saturday, 5 September
Weather: Sunny.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore south of Crowdy Head during the afternoon and evening.
Seas: Around 1 metre, increasing to 1 to 2 metres around midday.
Swell: Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Forecast for Sunday, 6 September
Weather: Sunny.
Winds: Southwesterly 15 to 25 knots tending southerly 20 to 30 knots in the late afternoon then decreasing to 15 to 25 knots in the evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning.
Swell: Southerly 1 to 1.5 metres, increasing to 2 to 3 metres during the afternoon.
Forecast for Monday, 7 September
Weather: Mostly sunny. 60% chance of showers. The chance of a thunderstorm in the evening.
Winds: South to southwesterly 15 to 20 knots tending south to southeasterly during the day.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning.
Swell: Southerly 2.5 to 3 metres, decreasing to 2 metres during the afternoon or evening.

Forecast for Friday, 4 September
Weather: Clear.
Winds: North to northwesterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Saturday, 5 September
Weather: Mostly sunny day. The chance of a thunderstorm in the evening.
Winds: North to northwesterly 15 to 20 knots becoming northerly 15 to 25 knots in the middle of the day then turning west to northwesterly 15 to 20 knots in the evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres around midday.
Swell: Southerly around 1 metre.
Forecast for Sunday, 6 September
Weather: Sunny.
Winds: West to southwesterly 15 to 25 knots becoming westerly 20 to 30 knots before dawn then tending southeast to southwesterly 15 to 25 knots in the early morning.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore.
Swell: Southerly below 1 metre, increasing to 1.5 to 2.5 metres around midday.
Forecast for Monday, 7 September
Weather: Mostly sunny. 50% chance of showers.
Winds: South to southwesterly 10 to 15 knots tending south to southeasterly during the day then becoming southerly 15 to 25 knots during the afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the evening.
Swell: Southerly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon or evening.
North Head
▲ N
5 kn WNW
· 16 °C
Warnings
Within 100 km of Dee Why NSW
Fire
State Wide
Flood Agricultural Fire Severe Marine
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Temperature
Dee Why
16 °C 22 °C 1pm 14 °C 6am
↓ Cooling
Now: 16 °C
Tides
Dee Why
8:29pm 0.51m 2:26am 1.10m
↑ Rising
Current: 0.74m
Weather Now for Dee Why
Clear.
16 °C
Feels like 16 °C
Wind
5 kn WNW
Humidity
78%
Pressure
1019 hPa
At Sydney - Observatory Hill
Nearby Wind
50 km radius
N S W E 2 kn Sydney Olympic Park 2 kn Little Bay Calm Gosford Calm Horsley Park 2 kn Mangrove Mountain
Dee Why
5 kn WNW
Recent Locations
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5 kn WNW
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 19°
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Sun
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11 h 29 m of daylight
Now: 11:01pm
120 seconds more than yesterday
Moon
12:10amrise 10:06amset
47% illuminated
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