BoM Dee Why Marine Weather Forecast

Mean Sea Level Prognosis Charts

Mean Sea Level Prognosis Charts

Other NSW Coastal Waters Forecasts

Forecast for Wednesday, 21 October
Weather: Mostly sunny. The chance of a thunderstorm inshore in the afternoon.
Winds: Northerly 10 to 15 knots turning northeasterly 15 to 20 knots in the middle of the day.
Seas: Around 1 metre, increasing to 1 to 1.5 metres around midday.
Swell: Northeasterly below 1 metre.
Forecast for Thursday, 22 October
Weather: Partly cloudy. 60% chance of showers.
Winds: Northeasterly 15 to 20 knots, reaching up to 25 knots offshore south of Moruya Heads in the evening.
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. 50% chance of showers.
Winds: North to northeasterly 20 to 30 knots.
Seas: 1 to 2 metres.
Swell: Northeasterly below 1 metre.

Forecast for Wednesday, 21 October
Weather: Cloudy. 90% 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 offshore south of Yamba by early evening.
Swell: East to northeasterly 1 to 1.5 metres.
Forecast for Thursday, 22 October
Weather: Cloudy. 80% chance of rain. The chance of a thunderstorm in the early morning.
Winds: Northeasterly 15 to 20 knots, reaching up to 25 knots offshore south of Yamba in the late morning and early afternoon.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres south of Cape Byron during the morning.
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 25 knots.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore south of Cape Byron during the afternoon or evening.
Swell: Northeasterly around 1 metre.

Forecast for Wednesday, 21 October
Weather: Cloudy. 90% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Winds: North to northwesterly 10 to 15 knots turning northeasterly in the middle of the day. Winds reaching up to 20 knots offshore during the afternoon and evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell: Northeasterly 1 to 1.5 metres, 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 to 1.5 metres, increasing to 1.5 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: Cloudy. 95% 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 around 1 metre.

Forecast for Wednesday, 21 October
Weather: Mostly sunny. The chance of a thunderstorm inshore in the afternoon.
Winds: North to northeasterly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore south of Green Cape.
Swell: Northeasterly around 1 metre.
Forecast for Thursday, 22 October
Weather: Partly cloudy.
Winds: North to northeasterly 15 to 20 knots, reaching up to 25 knots offshore south of Merimbula in the evening.
Seas: Around 1 metre, increasing to 1 to 2 metres during the afternoon.
Swell: Northeasterly around 1 metre.
Forecast for Friday, 23 October
Weather: Cloud clearing.
Winds: Northerly 15 to 25 knots.
Seas: 1.5 to 2 metres.
Swell: Northeasterly around 1 metre.

Forecast for Wednesday, 21 October
Weather: Partly cloudy. 80% 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.
Forecast for Thursday, 22 October
Weather: Cloudy. 90% 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 1.5 to 2 metres during the morning.
Swell: Northeasterly around 1 metre.
Forecast for Friday, 23 October
Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the afternoon.
Winds: Northeasterly 20 to 30 knots.
Seas: 1.5 to 2.5 metres.
Swell: Northeasterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Norah Head.

Forecast for Wednesday, 21 October
Weather: Partly cloudy.
Winds: Northeasterly 10 to 15 knots, reaching up to 20 knots offshore north of Port Kembla in the evening.
Seas: Around 1 metre.
Swell: Northeasterly below 1 metre.
Forecast for Thursday, 22 October
Weather: Partly cloudy. 80% chance of showers.
Winds: Northeasterly 15 to 20 knots, reaching up to 25 knots offshore north of Point Perpendicular during the afternoon and evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres around midday.
Swell: Northeasterly around 1 metre.
Forecast for Friday, 23 October
Weather: Partly cloudy. 70% chance of showers.
Winds: Northeasterly 15 to 25 knots turning northerly 20 to 25 knots during the evening.
Seas: 1.5 to 2 metres.
Swell: Northeasterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Point Perpendicular.

Forecast for Wednesday, 21 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 during the afternoon.
Swell: Northeasterly 1 to 1.5 metres, 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 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: Cloudy. 90% chance of showers.
Winds: Northeasterly 20 to 30 knots turning northerly 20 to 25 knots during the evening.
Seas: 1.5 metres, increasing to 2 metres during the afternoon.
Swell: Northeasterly below 1 metre.

Forecast for Wednesday, 21 October
Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm offshore at night.
Winds: Northeasterly about 10 knots increasing to 10 to 15 knots in the middle of the day. Winds reaching up to 20 knots offshore in the evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres offshore by early evening.
Swell: Northeasterly around 1 metre.
Forecast for Thursday, 22 October
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm.
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 inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Friday, 23 October
Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the afternoon.
Winds: Northeasterly 20 to 25 knots.
Seas: 1.5 to 2 metres.
Swell: Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
North Head
▲ N
9 kn ENE
· 24 °C
Warnings
No warnings within 100 km.
State Wide
Temperature
Dee Why
24 °C 16 °C 5am 22 °C 2pm
↑ Warming
Now: 24 °C
Tides
Dee Why
11:21am 0.70m 5:43pm 1.44m
↑ Rising
Current: 0.93m
Weather Now for Dee Why
Shower or two.
24 °C
Feels like 22 °C
Wind
9 kn ENE
Humidity
67%
Pressure
1024 hPa
At Sydney - Observatory Hill
Nearby Wind
50 km radius
N S W E 9 kn Sydney Olympic Park 8 kn Little Bay 10 kn Gosford 9 kn Horsley Park 6 kn Mangrove Mountain
Dee Why
9 kn ENE
Recent Locations
Dee Why
9 kn ENE
Goold Island -
Rocky Point
11 kn ESE
29°
Molle Island
14 kn E
25°
Dulyalbin
9 kn N
28°
Kuranda
11 kn E
30°
Mutchilba
8 kn NE
29°
Sun
6:06am rise 7:12pm set
13 h 5 m of daylight
Now: 1:45pm
120 seconds more than yesterday
Moon
2:11pmrise 3:11amset
73% illuminated
Waxing Gibbous
Live Weather
Nearby
North Head, NSW
9 kn ENE
Little Bay, NSW
8 kn NE
Cronulla, NSW
14 kn ENE
Windiest in Australia
Cape Leeuwin, WA
32 kn NW
19°
Most Windless in Australia
Mount Stuart (Defence), QLD
Calm
29°
Hottest in Australia
Jervois, NT
10 kn NNW
40°
Coldest in Australia
Falls Creek, VIC
3 kn N
10°
Wettest in Australia
Bourke, NSW
29.0 mm