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BoM Greta Main Marine Weather Forecast

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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 during the afternoon and evening.
Seas: Around 1 metre, increasing to 1.5 metres offshore.
Swell: Southerly below 1 metre.
Forecast for Tuesday, 23 June
Weather: Mostly sunny.
Winds: South to southwesterly about 10 knots, reaching up to 20 knots offshore during the morning.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon.
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 20 knots tending southerly in the middle of the day.
Seas: Around 1 metre, 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: Southerly 10 to 15 knots turning southeasterly during the morning.
Seas: Around 1 metre.
Swell: Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.

Forecast for Monday, 22 June
Weather: Partly cloudy. 60% chance of showers.
Winds: Southerly 10 to 15 knots, reaching up to 20 knots south of Cape Byron in the evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore south of Yamba by early evening.
Swell: Southerly 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.
Swell: Southerly 1.5 metres, tending southeasterly 1.5 metres during the evening.

Forecast for Monday, 22 June
Weather: Partly cloudy.
Winds: Southerly 15 to 20 knots turning southwesterly in the late evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore by early evening.
Swell: Southerly 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 in the afternoon. Winds turning southerly in the middle of the day.
Seas: 1.5 to 2 metres.
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. 60% chance of showers.
Winds: Southerly 15 to 20 knots.
Seas: 1 to 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 20 knots turning southeasterly during the morning.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore 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 15 to 20 knots, reaching up to 25 knots offshore north of Merimbula in the late evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore north of Merimbula.
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. 70% chance of showers.
Winds: South to southwesterly 15 to 25 knots decreasing to 10 to 15 knots in the late evening.
Seas: 1 to 2 metres.
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: Partly cloudy. 70% chance of showers.
Winds: Southeast to southwesterly 10 to 15 knots tending southeasterly during the morning.
Seas: Around 1 metre.
Swell: Southerly 1 to 1.5 metres.

Forecast for Monday, 22 June
Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm offshore south of Norah Head early this evening.
Winds: 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 Port Stephens.
Forecast for Tuesday, 23 June
Weather: Partly cloudy. 60% chance of showers.
Winds: Southwesterly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing to 1 metre by early evening.
Swell: Southerly 1.5 to 2 metres.
Forecast for Wednesday, 24 June
Weather: Partly cloudy. 80% chance of showers.
Winds: South to southwesterly 15 to 20 knots tending south to southeasterly 10 to 15 knots in the late evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore south of Norah Head 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: Around 1 metre.
Swell: Southerly 1.5 to 2 metres, decreasing to 1.5 metres during the evening.

Forecast for Monday, 22 June
Weather: Partly cloudy. 50% chance of showers.
Winds: South to southwesterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
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: 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. 80% chance of showers.
Winds: Southwesterly 15 to 20 knots turning southerly in the middle of the day.
Seas: Around 1 metre, increasing to 1 to 1.5 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: Cloudy. 80% chance of showers.
Winds: Southeasterly 10 to 15 knots.
Seas: Around 1 metre.
Swell: Southerly 1 to 1.5 metres.

Forecast for Monday, 22 June
Weather: Partly cloudy. 50% chance of showers.
Winds: Southwesterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 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: South to southwesterly 15 to 20 knots, reaching up to 25 knots offshore north of Crowdy Head during the morning and early afternoon.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore north of Crowdy Head.
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: Around 1 metre, increasing to 1 to 1.5 metres around midday.
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. 90% chance of showers.
Winds: Southerly 15 to 20 knots turning southeasterly during the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore north of Port Macquarie.
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. 60% chance of showers.
Winds: Southwesterly 15 to 20 knots.
Seas: 1.5 metres.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore.
Forecast for Tuesday, 23 June
Weather: Partly cloudy.
Winds: 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 1.5 to 2 metres offshore.
Forecast for Wednesday, 24 June
Weather: Partly cloudy. 80% chance of showers.
Winds: Southwesterly 15 to 20 knots turning south to southeasterly 10 to 15 knots during the afternoon and evening.
Seas: Below 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: Cloudy. 90% chance of showers.
Winds: Southeasterly 15 to 20 knots.
Seas: Around 1 metre.
Swell: Southerly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore.
Cessnock Airport
▲ N
Calm
· 6 °C
Warnings
No warnings within 100 km.
State Wide
View all NSW warnings
Temperature
Greta Main
6 °C 17 °C 2pm 6 °C 7am
↓ Cooling
Now: 6 °C
Tides
Swansea
2:49pm 0.90m 9:02pm 0.42m
↓ Falling
Current: 0.44m
Weather Now for Greta Main
Mostly clear.
6 °C
Feels like 6 °C
Wind
Calm E
Humidity
95%
Pressure
1026 hPa
At Cessnock Airport
Nearby Wind
50 km radius
N S W E 3 kn Singleton Defence Calm Lake Macquarie Calm Maitland Airport 5 kn Nobbys Head Calm Mangrove Mountain
Greta Main
Calm E
Recent Locations
Greta Main
Calm
7°
Wiagdon
4 kn SSW
 7°
Anna Bay
5 kn WNW
 13°
Lake Gilles -
Thornton
3 kn WNW
 8°
Sun
6:57am rise 4:56pm set
9 h 58 m of daylight
Now: 8:14pm
1 seconds more than yesterday
Moon
11:51am rise --:-- set
55% illuminated
First Quarter
Live Weather
Nearby
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 12°
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 19.6 mm
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