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BoM Postans Marine Weather Forecast

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Other WA Coastal Waters Forecasts

Forecast for Thursday, 18 June
Weather: Cloudy. 60% chance of showers.
Winds: South to southwesterly 10 to 15 knots, reaching up to 20 knots offshore east of Albany during the morning.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2.5 metres. Southeasterly 1.5 to 2.5 metres, decreasing to 1.5 metres by early evening.
Forecast for Friday, 19 June
Weather: Cloudy.
Winds: South to southwesterly about 10 knots becoming north to northeasterly in the late afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 2.5 metres. Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
Forecast for Saturday, 20 June
Weather: Partly cloudy.
Winds: Northerly 15 to 20 knots.
Seas: Around 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 2 metres offshore.

Forecast for Thursday, 18 June
Weather: Partly cloudy.
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2.5 metres. Southerly around 1 metre.
Forecast for Friday, 19 June
Weather: Cloudy.
Winds: Easterly below 10 knots tending northeasterly 10 to 15 knots before dawn.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore.
Forecast for Saturday, 20 June
Weather: Cloudy.
Winds: North to northeasterly 15 to 20 knots tending north to northwesterly 10 to 15 knots during the day.
Seas: Around 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.

Forecast for Thursday, 18 June
Weather: Cloudy. 80% chance of showers.
Winds: Southerly 15 to 20 knots, reaching up to 30 knots east of Esperance during the morning and early afternoon. Winds tending southwesterly in the morning.
Seas: 1 to 2 metres, increasing to 2 to 3 metres east of Esperance.
Swell: Southerly 2 to 3 metres. Southwesterly 1 to 2 metres, increasing to 2 to 3 metres east of Esperance.
Forecast for Friday, 19 June
Weather: Cloudy. 60% chance of showers.
Winds: South to southwesterly 10 to 15 knots, reaching up to 20 knots east of Esperance during the morning. Winds becoming variable about 10 knots in the evening.
Seas: 1 to 2 metres, decreasing to 1 metre around midday.
Swell: Southwesterly 2 to 2.5 metres. Southerly 1.5 to 2.5 metres.
Forecast for Saturday, 20 June
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming northerly 10 to 15 knots during the morning.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2 metres. Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.

Forecast for Thursday, 18 June
Weather: Cloudy. 95% chance of showers.
Winds: Southwesterly 20 to 30 knots.
Seas: 2 to 3 metres.
Swell: Southerly 3 metres, increasing to 3 to 4 metres east of Eyre.
Forecast for Friday, 19 June
Weather: Partly cloudy. 90% chance of showers.
Winds: South to southwesterly 15 to 25 knots tending south to southeasterly 10 to 15 knots during the afternoon and evening.
Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon.
Swell: Southerly 2.5 to 3 metres, increasing to 2.5 to 4 metres east of Eyre. Southerly below 1 metre, increasing to 1 to 1.5 metres east of Eyre by early evening.
Forecast for Saturday, 20 June
Weather: Cloudy.
Winds: Southeasterly 10 to 15 knots becoming variable about 10 knots during the morning then becoming north to northeasterly 10 to 15 knots during the evening.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon. Southerly 1 to 1.5 metres.

Forecast for Thursday, 18 June
Weather: Mostly sunny.
Winds: East to southeasterly 15 to 20 knots.
Seas: Around 1 metre.
Swell: South to southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Friday, 19 June
Weather: Mostly sunny.
Winds: Easterly 10 to 15 knots, reaching up to 20 knots offshore north of Denham during the morning.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Saturday, 20 June
Weather: Mostly sunny.
Winds: Easterly 10 to 15 knots tending northeasterly 15 to 20 knots during the morning then becoming variable about 10 knots during the afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.

Forecast for Thursday, 18 June
Weather: Partly cloudy.
Winds: East to southeasterly 10 to 15 knots.
Seas: Around 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Friday, 19 June
Weather: Mostly sunny.
Winds: Easterly 10 to 15 knots tending northeasterly in the late evening.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Saturday, 20 June
Weather: Partly cloudy.
Winds: Northeasterly 10 to 15 knots decreasing to about 10 knots during the afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.

Forecast for Thursday, 18 June
Weather: Partly cloudy.
Winds: Southeasterly 10 to 15 knots turning easterly in the late evening.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Friday, 19 June
Weather: Mostly sunny.
Winds: East to northeasterly about 10 knots increasing to 10 to 15 knots in the morning.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Saturday, 20 June
Weather: Cloudy.
Winds: Northeasterly 10 to 15 knots tending northerly during the day then decreasing to below 10 knots during the evening.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2 metres.

Forecast for Thursday, 18 June
Weather: Cloudy.
Winds: South to southwesterly about 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 2.5 to 3 metres. Southeasterly around 1 metre inshore, increasing to 1.5 metres offshore east of Cape Leeuwin.
Forecast for Friday, 19 June
Weather: Cloudy. 50% chance of showers.
Winds: Variable about 10 knots becoming northerly 10 to 15 knots in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 2.5 metres. Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Saturday, 20 June
Weather: Cloudy. 50% chance of showers.
Winds: Northerly 15 to 20 knots.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 2 to 2.5 metres.

Forecast for Thursday, 18 June
Weather: Sunny.
Winds: Southeasterly 15 to 20 knots, reaching up to 25 knots offshore north of Coral Bay during the morning.
Seas: 1 to 2 metres, decreasing to 1 metre during the afternoon.
Swell: Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Friday, 19 June
Weather: Sunny.
Winds: Southeasterly 15 to 20 knots turning easterly before dawn.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore during the morning. East to northeasterly below 1 metre inshore, increasing to around 1 metre offshore north of Coral Bay around midday.
Forecast for Saturday, 20 June
Weather: Sunny.
Winds: Easterly 15 to 20 knots turning northeasterly during the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore north of Coral Bay during the morning.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Northeasterly around 1 metre.

Forecast for Thursday, 18 June
Weather: Sunny.
Winds: Southeast to southwesterly 10 to 15 knots becoming variable about 10 knots in the late afternoon then becoming southeast to southwesterly 10 to 15 knots in the evening. Winds reaching up to 20 knots west of Kalumburu in the evening.
Seas: Below 0.5 metres, increasing to around 1 metre west of Kalumburu.
Swell: Westerly below 1 metre.
Forecast for Friday, 19 June
Weather: Mostly sunny.
Winds: Southeasterly 15 to 25 knots.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres east of Kalumburu during the morning.
Swell: Westerly below 1 metre.
Forecast for Saturday, 20 June
Weather: Sunny.
Winds: Southeasterly 15 to 25 knots.
Seas: 1 to 2 metres.
Swell: East to northeasterly around 1 metre west of Kalumburu.

Forecast for Thursday, 18 June
Weather: Partly cloudy.
Winds: East to southeasterly 10 to 15 knots decreasing to about 10 knots in the early afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2.5 metres.
Forecast for Friday, 19 June
Weather: Partly cloudy.
Winds: Easterly below 10 knots tending northeasterly 10 to 15 knots before dawn.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Saturday, 20 June
Weather: Cloudy.
Winds: Northeasterly 15 to 20 knots turning northerly during the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 1.5 to 2 metres.

Forecast for Thursday, 18 June
Weather: Sunny.
Winds: Southeasterly 15 to 20 knots, reaching up to 25 knots offshore during the morning and again in the late evening.
Seas: 1.5 to 2 metres, decreasing below 1.5 metres during the afternoon.
Swell: Below 0.5 metres.
Forecast for Friday, 19 June
Weather: Sunny.
Winds: East to southeasterly 15 to 25 knots, reaching up to 30 knots during the morning and early afternoon.
Seas: 1.5 to 2.5 metres.
Swell: East to northeasterly around 1 metre west of Port Hedland.
Forecast for Saturday, 20 June
Weather: Sunny.
Winds: Easterly 20 to 30 knots.
Seas: 1.5 to 2.5 metres.
Swell: Easterly around 1 metre west of Port Hedland, increasing to 1 to 1.5 metres during the afternoon or evening.

Forecast for Thursday, 18 June
Weather: Sunny.
Winds: East to southeasterly 15 to 20 knots, reaching up to 25 knots offshore east of Barrow Island in the late morning. Winds becoming variable about 10 knots in the late afternoon then becoming southeasterly 15 to 20 knots in the evening.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon.
Swell: West to southwesterly below 1 metre.
Forecast for Friday, 19 June
Weather: Sunny.
Winds: Southeasterly 15 to 20 knots turning easterly 15 to 25 knots before dawn. Winds reaching up to 30 knots offshore east of Barrow Island during the morning and early afternoon.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning, then decreasing below 1.5 metres by early evening.
Swell: West to southwesterly around 1 metre offshore. East to northeasterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore east of Barrow Island around midday.
Forecast for Saturday, 20 June
Weather: Sunny.
Winds: East to southeasterly 15 to 20 knots tending east to northeasterly 20 to 30 knots during the morning then decreasing to 15 to 20 knots during the afternoon.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Swell: West to southwesterly around 1 metre offshore. East to northeasterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore east of Barrow Island during the morning.

Forecast for Thursday, 18 June
Weather: Sunny.
Winds: Southeasterly 15 to 20 knots, reaching up to 25 knots offshore in the late evening.
Seas: 1 to 1.5 metres.
Swell: Westerly below 1 metre.
Forecast for Friday, 19 June
Weather: Sunny.
Winds: Southeasterly 15 to 25 knots, reaching up to 30 knots offshore south of Broome during the morning and again in the late evening.
Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
Swell: Westerly below 1 metre.
Forecast for Saturday, 20 June
Weather: Sunny.
Winds: Southeasterly 15 to 25 knots.
Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
Swell: North to northeasterly below 1 metre.
Colpoys Point
▲ N
4 kn ESE
· 12 °C
Warnings
No warnings within 100 km.
State Wide
Marine
View all WA warnings
Temperature
Postans
12 °C 4 °C 4am 17 °C 2pm
↑ Warming
Now: 12 °C
Tides
Warnbro Sound
8:15pm 0.53m 11:45am 1.22m
↑ Rising
Current: 1.21m
Weather Now for Postans
Mostly sunny.
12 °C
Feels like 11 °C
Wind
4 kn ESE
Humidity
67%
Pressure
1031 hPa
At Garden Island
Nearby Wind
50 km radius
N S W E 3 kn East Fremantle 4 kn Perth Airport Calm Mandurah 8 kn Rottnest Island 3 kn Hillarys
Postans
4 kn ESE
Recent Locations
Postans
4 kn ESE
Robe West Beach
16 kn NNW
 16°
Upper Kangaroo River
6 kn N
Cheltenham -
Matlock
9 kn N
Glengarrie -
Maldon
Calm
16°
Sun
7:17am rise 5:19pm set
10 h 2 m of daylight
Now: 10:29am
10 seconds less than yesterday
Moon
10:08am rise 8:49pm set
12% illuminated
Waxing Crescent
Live Weather
Nearby
Colpoys Point, WA
4 kn ESE
Safety Bay, WA
Calm
Garden Island, WA
Calm
12°
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3 kn SSW
 11°
East Fremantle, WA
3 kn ESE
Melville Water, WA
Calm
Swanbourne, WA
3 kn ESE
 12°
Windiest in Australia
Mount Hotham, VIC
39 kn NNW
 5°
Most Windless in Australia
Perth (Coastal), WA
Calm
12°
Hottest in Australia
Oenpelli Airport, NT
6 kn ENE
 32°
Coldest in Australia
Mount Hotham, VIC
39 kn NNW
 5°
Wettest in Australia
Jervois, NT
 11.8 mm
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