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BoM Sylvania Marine Weather Forecast

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Mean Sea Level Prognosis Charts

Mean Sea Level Prognosis Charts

Other NSW Coastal Waters Forecasts

Forecast for Monday, 22 June
Weather: Partly cloudy.
Winds: Southerly 10 to 15 knots, reaching up to 20 knots offshore.
Seas: Below 1 metre, increasing to 1.5 metres offshore.
Swell: Southerly below 1 metre.
Forecast for Tuesday, 23 June
Weather: Mostly sunny.
Winds: Southwesterly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing to 1 metre around midday.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Wednesday, 24 June
Weather: Partly cloudy. 80% chance of showers.
Winds: Southwesterly 15 to 25 knots turning south to southeasterly 10 to 15 knots during the afternoon and evening.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Swell: Southerly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon, then increasing to 1 to 1.5 metres by early evening.
Forecast for Thursday, 25 June
Weather: Cloudy. 70% chance of showers.
Winds: South to southeasterly 10 to 15 knots tending east to southeasterly below 10 knots during the morning.
Seas: Below 1 metre.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.

Forecast for Monday, 22 June
Weather: Partly cloudy.
Winds: Southerly 10 to 15 knots, reaching up to 20 knots south of Cape Byron.
Seas: Around 1 metre, increasing to 1.5 metres offshore south of Yamba.
Swell: Easterly below 1 metre.
Forecast for Tuesday, 23 June
Weather: Partly cloudy. 70% chance of showers.
Winds: Southerly 15 to 20 knots, reaching up to 25 knots offshore south of Yamba in the early afternoon.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore south of Yamba around midday.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the morning.
Forecast for Wednesday, 24 June
Weather: Partly cloudy. 70% chance of showers.
Winds: Southerly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southerly 1 to 1.5 metres.
Forecast for Thursday, 25 June
Weather: Partly cloudy. 90% chance of showers.
Winds: Southerly 15 to 20 knots turning southeasterly during the morning.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres inshore.
Swell: Southerly 1.5 metres, tending southeasterly 1.5 metres during the evening.

Forecast for Monday, 22 June
Weather: Mostly clear.
Winds: South to southwesterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1.5 metres offshore.
Swell: Easterly below 1 metre.
Forecast for Tuesday, 23 June
Weather: Partly cloudy. 60% chance of showers.
Winds: Southwesterly 15 to 20 knots, reaching up to 25 knots offshore during the day. Winds turning southerly in the middle of the day.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the morning.
Forecast for Wednesday, 24 June
Weather: Partly cloudy. 70% chance of showers.
Winds: Southerly 15 to 20 knots.
Seas: 1.5 metres.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Thursday, 25 June
Weather: Partly cloudy. 90% chance of showers.
Winds: Southerly 15 to 25 knots turning southeasterly 15 to 20 knots during the morning.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres north of Coffs Harbour.
Swell: South to southeasterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.

Forecast for Monday, 22 June
Weather: Mostly clear.
Winds: Southwesterly 10 to 15 knots, reaching up to 20 knots offshore.
Seas: Around 1 metre, increasing to 1.5 to 2 metres offshore.
Swell: Southerly below 1 metre.
Forecast for Tuesday, 23 June
Weather: Mostly sunny.
Winds: Southwesterly 15 to 20 knots, reaching up to 25 knots offshore south of Green Cape during the afternoon and evening.
Seas: Around 1 metre, increasing to 1 to 2 metres offshore.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore by early evening.
Forecast for Wednesday, 24 June
Weather: Partly cloudy. 80% chance of showers.
Winds: Southwesterly 15 to 25 knots turning southerly 15 to 20 knots in the early afternoon.
Seas: 1 to 2 metres, decreasing to 1 metre later in the evening.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore south of Green Cape.
Forecast for Thursday, 25 June
Weather: Cloudy. 60% chance of showers.
Winds: South to southeasterly 10 to 15 knots becoming variable about 10 knots during the morning.
Seas: Below 1 metre.
Swell: Southerly 1 to 1.5 metres.

Forecast for Monday, 22 June
Weather: Partly cloudy.
Winds: Southwesterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1.5 metres offshore.
Swell: Southerly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore south of Port Stephens.
Forecast for Tuesday, 23 June
Weather: Partly cloudy. 60% chance of showers.
Winds: Southwesterly 15 to 20 knots, reaching up to 25 knots offshore north of Norah Head early in the morning.
Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres by early evening.
Swell: Southerly 1.5 to 2 metres.
Forecast for Wednesday, 24 June
Weather: Partly cloudy. 90% chance of showers.
Winds: South to southwesterly 15 to 20 knots turning southeasterly 10 to 15 knots in the evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres around midday.
Swell: Southerly 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 Thursday, 25 June
Weather: Partly cloudy. 80% chance of showers.
Winds: Southeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon or evening.
Swell: Southerly 1.5 to 2 metres, decreasing to 1.5 metres during the evening.

Forecast for Monday, 22 June
Weather: Partly cloudy.
Winds: Southwesterly 10 to 15 knots, reaching up to 20 knots offshore.
Seas: Around 1 metre, increasing to 1.5 metres offshore.
Swell: Southerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Point Perpendicular.
Forecast for Tuesday, 23 June
Weather: Partly cloudy.
Winds: South to southwesterly 10 to 15 knots, reaching up to 20 knots offshore during the morning and early afternoon.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore north of Port Kembla.
Forecast for Wednesday, 24 June
Weather: Partly cloudy. 90% chance of showers.
Winds: Southwesterly 15 to 20 knots turning south to southeasterly in the late afternoon.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore north of Port Kembla during the morning.
Forecast for Thursday, 25 June
Weather: Partly cloudy. 80% chance of showers.
Winds: Southeasterly 15 to 20 knots decreasing to about 10 knots during the evening.
Seas: Around 1 metre.
Swell: Southerly 1 to 1.5 metres.

Forecast for Monday, 22 June
Weather: Partly cloudy.
Winds: Southwesterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1.5 metres offshore.
Swell: Southerly below 1 metre, increasing to 1 to 1.5 metres south of Port Macquarie.
Forecast for Tuesday, 23 June
Weather: Partly cloudy. 60% chance of showers.
Winds: Southwesterly 15 to 20 knots, reaching up to 25 knots offshore during the day.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore south of Crowdy Head.
Forecast for Wednesday, 24 June
Weather: Partly cloudy. 80% chance of showers.
Winds: South to southwesterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore south of Crowdy Head.
Forecast for Thursday, 25 June
Weather: Partly cloudy. 80% chance of showers.
Winds: Southeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southerly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore south of Crowdy Head.

Forecast for Monday, 22 June
Weather: Partly cloudy.
Winds: Southwesterly 15 to 20 knots.
Seas: 1.5 metres.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Tuesday, 23 June
Weather: Partly cloudy.
Winds: South to southwesterly 10 to 15 knots, reaching up to 20 knots offshore during the morning and early afternoon.
Seas: 1 to 1.5 metres, decreasing below 1 metre by early evening.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Wednesday, 24 June
Weather: Partly cloudy. 90% chance of showers.
Winds: Southwesterly 15 to 20 knots turning south to southeasterly 10 to 15 knots in the evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres around midday.
Swell: Southerly 1 to 1.5 metres, increasing to 1.5 to 2 metres around midday.
Forecast for Thursday, 25 June
Weather: Partly cloudy. 80% chance of showers.
Winds: Southeasterly 15 to 20 knots decreasing to about 10 knots during the evening.
Seas: Around 1 metre.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore.
Cronulla
▲ N
7 kn W
· 12 °C
Warnings
No warnings within 100 km.
State Wide
View all NSW warnings
Temperature
Sylvania
12 °C 18 °C 2pm 8 °C 7am
↓ Cooling
Now: 12 °C
Tides
Port Hacking
8:45pm 0.66m 2:40am 1.30m
↑ Rising
Current: 1.13m
Weather Now for Sylvania
Mostly sunny.
12 °C
Feels like 7 °C
Wind
7 kn W
Humidity
73%
Pressure
1026 hPa
At Sydney Airport
Nearby Wind
50 km radius
N S W E 5 kn Holsworthy 10 kn Sydney Harbour Parramatta 3 kn Horsley Park Calm Camden 8 kn Bellambi Point 2 kn Penrith
Sylvania
7 kn W
Recent Locations
Sylvania
7 kn W
Gravelly Beach
3 kn NW
 6°
Coronet Bay
5 kn NNW
 10°
Sun
7:01am rise 4:54pm set
9 h 53 m of daylight
Now: 12:38am
3 seconds more than yesterday
Moon
12:17pm rise 12:38am set
57% illuminated
First Quarter
Live Weather
Nearby
Cronulla, NSW
7 kn W
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11 kn WNW
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 12°
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2 kn NW
 8°
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4 kn WNW
 8°
Little Bay, NSW
6 kn W
Holsworthy, NSW
5 kn W
 5°
Sydney Harbour, NSW
10 kn W
 14°
Windiest in Australia
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36 kn W
 2°
Most Windless in Australia
Perth (Coastal), WA
Calm
12°
Hottest in Australia
Cocos Island, WA
9 kn ESE
 27°
Coldest in Australia
Glen Innes Airport, NSW
2 kn E
 -3°
Wettest in Australia
Mount Baw Baw, VIC
 19.6 mm
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