BoM Blackwall Marine Weather Forecast

Mean Sea Level Prognosis Charts

Mean Sea Level Prognosis Charts

Other NSW Coastal Waters Forecasts

Forecast for Tuesday, 20 October
Weather: Clear.
Winds: Northeasterly 20 to 25 knots tending northerly in the late evening.
Seas: 1.5 to 2 metres.
Swell: Southerly below 0.5 metres.
Forecast for Wednesday, 21 October
Weather: Mostly sunny morning. The chance of a thunderstorm inshore in the afternoon.
Winds: North to northeasterly 15 to 20 knots.
Seas: 1.5 to 2 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres around midday.
Swell: Northeasterly below 1 metre.
Forecast for Thursday, 22 October
Weather: Partly cloudy. 50% chance of showers.
Winds: Northeasterly 15 to 25 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres around midday.
Swell: Northeasterly around 1 metre.
Forecast for Friday, 23 October
Weather: Partly cloudy.
Winds: North to northeasterly 20 to 30 knots.
Seas: 1 to 2 metres.
Swell: Northeasterly below 1 metre.

Forecast for Tuesday, 20 October
Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm.
Winds: Northeasterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore south of Cape Byron.
Swell: Easterly around 1 metre, increasing to 1 to 1.5 metres north of Yamba.
Forecast for Wednesday, 21 October
Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm.
Winds: Northeasterly 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: Easterly 1 to 1.5 metres, tending northeasterly 1 to 1.5 metres during the afternoon.
Forecast for Thursday, 22 October
Weather: Cloudy. 80% chance of rain. The chance of a thunderstorm in the early morning.
Winds: Northeasterly 15 to 25 knots.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore south of Cape Byron.
Swell: Northeasterly around 1 metre.
Forecast for Friday, 23 October
Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: Northeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Northeasterly around 1 metre.

Forecast for Tuesday, 20 October
Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm.
Winds: Northeasterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore north of Coffs Harbour.
Swell: East to northeasterly around 1 metre.
Forecast for Wednesday, 21 October
Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm.
Winds: Northeasterly 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: Northeasterly around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre by early evening.
Forecast for Thursday, 22 October
Weather: Cloudy. 90% chance of rain. The chance of a thunderstorm in the early morning.
Winds: Northeasterly 15 to 25 knots.
Seas: 1.5 to 2 metres.
Swell: Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Friday, 23 October
Weather: Cloudy. 90% chance of showers.
Winds: Northeasterly 15 to 20 knots turning northerly during the evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell: Northeasterly around 1 metre.

Forecast for Tuesday, 20 October
Weather: Clear.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore north of Merimbula in the evening.
Seas: 1.5 to 2 metres.
Swell: Northeasterly below 1 metre.
Forecast for Wednesday, 21 October
Weather: Mostly sunny morning. The chance of a thunderstorm inshore in the afternoon.
Winds: Northerly 15 to 20 knots.
Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Swell: Northeasterly around 1 metre.
Forecast for Thursday, 22 October
Weather: Mostly sunny.
Winds: Northerly 15 to 20 knots increasing to 20 to 25 knots in the evening.
Seas: Around 1 metre, increasing to 1 to 2 metres around midday.
Swell: Northeasterly around 1 metre.
Forecast for Friday, 23 October
Weather: Mostly sunny.
Winds: Northerly 20 to 30 knots.
Seas: 1.5 to 2 metres.
Swell: Northeasterly around 1 metre.

Forecast for Tuesday, 20 October
Weather: Partly cloudy. The chance of a thunderstorm.
Winds: Northeasterly 10 to 15 knots, reaching up to 20 knots south of Port Stephens during the afternoon and evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres inshore.
Swell: Northeasterly around 1 metre.
Forecast for Wednesday, 21 October
Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: Northeasterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell: Northeasterly around 1 metre.
Forecast for Thursday, 22 October
Weather: Cloudy. 80% chance of showers. The chance of a thunderstorm in the early morning.
Winds: Northeasterly 15 to 25 knots.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning.
Swell: Northeasterly around 1 metre.
Forecast for Friday, 23 October
Weather: Partly cloudy. 50% chance of showers.
Winds: Northeasterly 15 to 25 knots.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon or evening.
Swell: Northeasterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Norah Head.

Forecast for Tuesday, 20 October
Weather: Mostly clear. The chance of a thunderstorm north of Point Perpendicular.
Winds: Northeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Northeasterly below 1 metre.
Forecast for Wednesday, 21 October
Weather: Partly cloudy. The chance of a thunderstorm south of Point Perpendicular in the afternoon.
Winds: Northerly 15 to 20 knots turning northeasterly in the late morning.
Seas: 1.5 metres, decreasing to 1 metre during the morning, increasing to 1 to 1.5 metres south of Point Perpendicular during the afternoon.
Swell: Northeasterly around 1 metre.
Forecast for Thursday, 22 October
Weather: Partly cloudy. 70% chance of showers.
Winds: Northeasterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Northeasterly around 1 metre.
Forecast for Friday, 23 October
Weather: Partly cloudy. 50% chance of showers.
Winds: Northeasterly 15 to 25 knots turning northerly 20 to 25 knots during the evening.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore north of Port Kembla.
Swell: Northeasterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Point Perpendicular.

Forecast for Tuesday, 20 October
Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm.
Winds: Northeasterly 10 to 15 knots, reaching up to 20 knots inshore in the late afternoon.
Seas: Around 1 metre.
Swell: Northeasterly around 1 metre.
Forecast for Wednesday, 21 October
Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm.
Winds: Northeasterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell: Northeasterly around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre during the afternoon.
Forecast for Thursday, 22 October
Weather: Cloudy. 90% chance of rain. The chance of a thunderstorm in the early morning.
Winds: Northeasterly 15 to 25 knots.
Seas: 1.5 to 2 metres.
Swell: Northeasterly around 1 metre.
Forecast for Friday, 23 October
Weather: Cloudy. 80% chance of showers.
Winds: Northeasterly 15 to 25 knots turning northerly 20 to 25 knots during the evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
Swell: Northeasterly below 1 metre.

Forecast for Tuesday, 20 October
Weather: Partly cloudy. The chance of a thunderstorm.
Winds: Northeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Northeasterly below 1 metre.
Forecast for Wednesday, 21 October
Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm offshore in the evening.
Winds: Northeasterly 10 to 15 knots, reaching up to 20 knots offshore early in the morning and again in the evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: Northeasterly around 1 metre.
Forecast for Thursday, 22 October
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the morning and afternoon.
Winds: Northeasterly 15 to 25 knots.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Swell: Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Friday, 23 October
Weather: Partly cloudy. 50% chance of showers.
Winds: Northeasterly 15 to 25 knots.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore.
Swell: Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Gosford
▲ N
5 kn NE
· 19 °C
Warnings
No warnings within 100 km.
State Wide
Temperature
Blackwall
19 °C 23 °C 12pm 12 °C 4am
↓ Cooling
Now: 19 °C
Tides
Ettalong Beach
5:00pm 0.83m 12:00am 0.17m
↓ Falling
Current: 0.42m
Weather Now for Blackwall
Partly cloudy.
19 °C
Feels like 19 °C
Wind
5 kn NE
Humidity
78%
Pressure
1025 hPa
At Gosford
Nearby Wind
50 km radius
N S W E 5 kn Terrey Hills 6 kn Mangrove Mountain 14 kn Norah Head 3 kn Sydney Olympic Park Calm Lake Macquarie
Blackwall
5 kn NE
Recent Locations
Blackwall
5 kn NE
19°
Sun
6:08am rise 7:11pm set
13 h 3 m of daylight
Now: 9:03pm
119 seconds more than yesterday
Moon
1:12pmrise 2:40amset
67% illuminated
First Quarter
Live Weather
Nearby
Terrey Hills, NSW
5 kn NE
17°
Mangrove Mountain, NSW
6 kn ENE
16°
Norah Head, NSW
14 kn NNE
19°
North Head, NSW
11 kn NE
Fort Denison, NSW
9 kn NE
Sydney - Observatory Hill, NSW
9 kn NE
19°
Sydney Harbour, NSW
14 kn NE
20°
Windiest in Australia
Gabo Island, VIC
26 kn NNE
18°
Most Windless in Australia
Tewantin, QLD
Calm
21°
Hottest in Australia
Fitzroy Crossing, WA
8 kn NW
38°
Coldest in Australia
Perisher Valley, NSW
2 kn WSW
7°
Wettest in Australia
Thangool Airport, QLD
55.0 mm