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BoM Merriwa Marine Weather Forecast

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Forecast for Thursday, 17 September
Weather: Mostly sunny.
Winds: Northwest to northeasterly 10 to 15 knots tending northwest to southwesterly in the late afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 2 metres offshore. Easterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Friday, 18 September
Weather: Partly cloudy. 50% chance of showers. The chance of a thunderstorm in the late afternoon and evening.
Winds: Northwest to southwesterly 10 to 15 knots tending north to northwesterly in the early morning then turning northeasterly in the morning. Winds reaching up to 20 knots offshore west of Albany in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore. Easterly around 1 metre.
Forecast for Saturday, 19 September
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning.
Winds: Northwesterly 20 to 30 knots tending westerly 25 to 35 knots in the morning then decreasing to 20 to 30 knots in the late afternoon.
Seas: 1 to 2 metres, increasing to 2 to 3 metres during the morning.
Swell: West to southwesterly 1.5 to 2.5 metres, increasing to 3 to 5 metres during the morning, then tending westerly 4 to 6 metres around midday.
Forecast for Sunday, 20 September
Weather: Cloudy.
Winds: Southwesterly 15 to 25 knots tending southeast to southwesterly 15 to 20 knots during the morning then tending northeast to southeasterly 10 to 15 knots during the afternoon.
Seas: 1.5 to 2.5 metres, decreasing to 1 metre during the morning.
Swell: Westerly 2.5 to 4 metres, tending southwesterly 2.5 to 4 metres during the morning.

Forecast for Thursday, 17 September
Weather: Partly cloudy.
Winds: Northwesterly 10 to 15 knots turning northerly in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Friday, 18 September
Weather: Becoming cloudy. 95% chance of showers. The chance of a thunderstorm in the late afternoon and evening.
Winds: Northerly 15 to 20 knots turning northwesterly 15 to 25 knots in the middle of the day. Winds reaching up to 30 knots in the evening.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 1.5 to 2 metres, tending westerly 1.5 to 2.5 metres during the morning.
Forecast for Saturday, 19 September
Weather: Partly cloudy. 90% chance of showers.
Winds: Northwesterly 25 to 30 knots tending westerly before dawn then decreasing to 15 to 25 knots in the middle of the day.
Seas: 2 to 3 metres, decreasing to 1.5 metres during the afternoon.
Swell: Westerly 2 to 3 metres, increasing to 3 to 5 metres during the morning, then tending west to southwesterly 3 to 4 metres by early evening.
Forecast for Sunday, 20 September
Weather: Cloudy.
Winds: Southwesterly 10 to 15 knots turning south to southeasterly below 10 knots during the morning.
Seas: Around 1 metre, decreasing below 0.5 metres during the afternoon.
Swell: West to southwesterly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore.

Forecast for Thursday, 17 September
Weather: Mostly sunny.
Winds: Northeasterly 10 to 15 knots, reaching up to 25 knots east of Esperance in the evening. Winds turning northerly in the evening.
Seas: Around 1 metre, increasing to 1 to 2 metres east of Esperance.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres by early evening. East to northeasterly around 1 metre.
Forecast for Friday, 18 September
Weather: Partly cloudy. 60% chance of showers west of Esperance, near zero chance elsewhere. The chance of a thunderstorm in the late afternoon and evening.
Winds: North to northwesterly 15 to 20 knots becoming variable about 10 knots in the middle of the day then becoming east to northeasterly 15 to 20 knots in the evening.
Seas: 1 to 2 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 1.5 metres, increasing to 1 to 2 metres west of Hopetoun. Easterly around 1 metre.
Forecast for Saturday, 19 September
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm west of Hopetoun in the early morning.
Winds: North to northeasterly 15 to 20 knots shifting westerly 20 to 30 knots during the morning.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning, then increasing to 2 to 3 metres around midday.
Swell: Southwesterly 1 to 1.5 metres, increasing to 2 to 4 metres around midday.
Forecast for Sunday, 20 September
Weather: Cloudy. 50% chance of showers.
Winds: West to southwesterly 20 to 30 knots shifting east to southeasterly 10 to 15 knots during the afternoon.
Seas: 1.5 to 2.5 metres, decreasing to 1 metre during the afternoon.
Swell: Southwesterly 2 to 4 metres.

Forecast for Thursday, 17 September
Weather: Sunny.
Winds: Northeasterly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2 metres east of Eyre.
Forecast for Friday, 18 September
Weather: Sunny.
Winds: Northerly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing to 1 metre around midday, increasing to 1 to 1.5 metres west of Eyre by early evening.
Swell: Southwesterly 1 to 1.5 metres.
Forecast for Saturday, 19 September
Weather: Sunny morning. The chance of a thunderstorm west of Eyre in the afternoon.
Winds: Northwest to northeasterly 15 to 25 knots tending south to southwesterly 20 to 30 knots in the evening then becoming southwesterly 20 to 25 knots in the late evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre around midday, then increasing to 1 to 1.5 metres by early evening.
Swell: Southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
Forecast for Sunday, 20 September
Weather: Partly cloudy.
Winds: Southwesterly 15 to 25 knots turning southeasterly 10 to 15 knots during the evening.
Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.

Forecast for Thursday, 17 September
Weather: Sunny.
Winds: Variable about 10 knots.
Seas: Below 0.5 metres.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Friday, 18 September
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming west to northwesterly 10 to 15 knots in the morning then turning southwesterly 15 to 20 knots in the late morning and early afternoon.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell: Southwesterly 1.5 to 2.5 metres.
Forecast for Saturday, 19 September
Weather: Mostly sunny.
Winds: Southerly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore south of Denham during the morning.
Forecast for Sunday, 20 September
Weather: Partly cloudy.
Winds: South to southeasterly 15 to 20 knots.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 3 metres.

Forecast for Thursday, 17 September
Weather: Mostly sunny.
Winds: West to northwesterly about 10 knots becoming northerly in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Friday, 18 September
Weather: Partly cloudy. 60% chance of showers.
Winds: Northerly 10 to 15 knots turning westerly 15 to 20 knots in the early afternoon. Winds reaching up to 25 knots offshore south of Geraldton in the late evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 1.5 to 2.5 metres.
Forecast for Saturday, 19 September
Weather: Partly cloudy.
Winds: Westerly 15 to 25 knots turning south to southwesterly 10 to 15 knots during the day.
Seas: 1 to 2 metres, decreasing to 1 metre during the morning.
Swell: West to southwesterly 2 to 3 metres, increasing to 3 to 4 metres during the morning, then tending southwesterly 3 to 4 metres around midday.
Forecast for Sunday, 20 September
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming southerly 10 to 15 knots during the day.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 3 metres, increasing to 2.5 to 4 metres south of Geraldton.

Forecast for Thursday, 17 September
Weather: Partly cloudy.
Winds: Northwesterly 10 to 15 knots tending northerly in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Friday, 18 September
Weather: Partly cloudy. 90% chance of showers.
Winds: Northerly 15 to 20 knots turning west to northwesterly 15 to 25 knots in the early afternoon. Winds reaching up to 30 knots in the late evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 1.5 to 2.5 metres, tending westerly 2 to 2.5 metres by early evening.
Forecast for Saturday, 19 September
Weather: Partly cloudy. 60% chance of showers.
Winds: West to northwesterly 20 to 30 knots tending west to southwesterly 15 to 20 knots during the morning and early afternoon.
Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres around midday.
Swell: Westerly 2.5 to 3 metres, increasing to 3 to 4 metres during the morning, then tending west to southwesterly 4 metres around midday.
Forecast for Sunday, 20 September
Weather: Cloudy.
Winds: Southwesterly about 10 knots tending southeast to southwesterly 10 to 15 knots during the morning.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore.

Forecast for Thursday, 17 September
Weather: Partly cloudy.
Winds: West to northwesterly 10 to 15 knots, reaching up to 20 knots offshore east of Cape Leeuwin in the early afternoon. Winds tending north to northwesterly in the evening.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. East to southeasterly below 1 metre inshore, increasing to around 1 metre offshore east of Cape Leeuwin.
Forecast for Friday, 18 September
Weather: Becoming cloudy. 90% chance of showers. The chance of a thunderstorm in the late afternoon and evening.
Winds: North to northwesterly 15 to 25 knots, reaching up to 30 knots in the evening.
Seas: 1 to 2 metres.
Swell: Southwesterly 2 metres, tending westerly 2 to 2.5 metres during the morning, then tending west to southwesterly 2 to 2.5 metres during the afternoon.
Forecast for Saturday, 19 September
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm east of Cape Leeuwin in the morning.
Winds: North to northwesterly 25 to 30 knots turning westerly 25 to 35 knots early in the morning then decreasing to 20 to 30 knots in the middle of the day.
Seas: 2 to 3 metres.
Swell: Westerly 3 to 5 metres.
Forecast for Sunday, 20 September
Weather: Partly cloudy.
Winds: Southwesterly 15 to 20 knots shifting east to southeasterly below 10 knots during the day.
Seas: 1 to 2 metres, decreasing below 1 metre during the morning.
Swell: Westerly 3 to 4 metres, tending southwesterly 3 to 4 metres during the morning.

Forecast for Thursday, 17 September
Weather: Sunny.
Winds: South to southwesterly about 10 knots increasing to 10 to 15 knots in the late afternoon then decreasing to below 10 knots in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Friday, 18 September
Weather: Mostly sunny.
Winds: Variable about 10 knots becoming southwesterly 15 to 20 knots in the early afternoon then tending southerly in the late evening.
Seas: Below 0.5 metres, increasing to 1 to 1.5 metres during the afternoon.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Forecast for Saturday, 19 September
Weather: Partly cloudy.
Winds: Southerly 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: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning.
Forecast for Sunday, 20 September
Weather: Sunny.
Winds: Southerly 15 to 20 knots.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2 to 3 metres.

Forecast for Thursday, 17 September
Weather: Sunny.
Winds: Northeasterly 10 to 15 knots becoming variable about 10 knots in the evening.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Forecast for Friday, 18 September
Weather: Mostly sunny.
Winds: Variable about 10 knots becoming east to northeasterly 10 to 15 knots in the early afternoon then becoming variable about 10 knots in the late evening.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Forecast for Saturday, 19 September
Weather: Mostly sunny.
Winds: Variable about 10 knots becoming easterly 10 to 15 knots in the middle of the day then becoming variable about 10 knots in the early afternoon.
Seas: Below 1 metre.
Swell: Northeasterly around 1 metre, increasing to 1 to 1.5 metres east of Kalumburu during the afternoon.
Forecast for Sunday, 20 September
Weather: Mostly sunny.
Winds: Variable about 10 knots.
Seas: Below 0.5 metres.
Swell: Northeasterly around 1 metre.

Forecast for Thursday, 17 September
Weather: Partly cloudy.
Winds: Northwesterly 10 to 15 knots tending northerly in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Friday, 18 September
Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm in the evening.
Winds: Northerly 15 to 20 knots turning west to northwesterly 15 to 25 knots in the early afternoon then becoming northwesterly 20 to 30 knots in the late evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 1.5 to 2.5 metres.
Forecast for Saturday, 19 September
Weather: Partly cloudy. 80% chance of showers.
Winds: Northwesterly 25 to 30 knots tending westerly 20 to 30 knots before dawn then decreasing to 15 to 25 knots in the morning.
Seas: 2 to 3 metres, decreasing to 1 to 2 metres around midday.
Swell: Westerly 2.5 to 3 metres, increasing to 3 to 5 metres during the morning, then tending west to southwesterly 4 metres by early evening.
Forecast for Sunday, 20 September
Weather: Cloudy.
Winds: Southwesterly 10 to 15 knots turning south to southeasterly below 10 knots during the morning.
Seas: Around 1 metre.
Swell: Southwesterly 2.5 to 4 metres.

Forecast for Thursday, 17 September
Weather: Mostly sunny.
Winds: East to northeasterly 10 to 15 knots, reaching up to 20 knots west of Port Hedland in the early afternoon. Winds tending north to northeasterly in the late afternoon then becoming variable about 10 knots in the evening.
Seas: Around 1 metre.
Swell: Westerly below 1 metre.
Forecast for Friday, 18 September
Weather: Mostly sunny.
Winds: Variable about 10 knots becoming northeast to southeasterly 10 to 15 knots in the morning then tending west to northwesterly in the late afternoon.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Forecast for Saturday, 19 September
Weather: Sunny.
Winds: Variable about 10 knots becoming north to northwesterly 10 to 15 knots in the early afternoon then tending west to northwesterly in the late afternoon.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Forecast for Sunday, 20 September
Weather: Sunny.
Winds: Westerly 10 to 15 knots tending southwesterly during the morning then turning west to northwesterly during the day.
Seas: Below 1 metre.
Swell: Westerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.

Forecast for Thursday, 17 September
Weather: Sunny.
Winds: Northeast to southeasterly 10 to 15 knots tending northwest to northeasterly in the early afternoon then becoming variable about 10 knots in the evening.
Seas: Below 0.5 metres, increasing to below 1 metre east of Onslow.
Swell: West to southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Friday, 18 September
Weather: Mostly sunny.
Winds: Variable about 10 knots becoming west to southwesterly 10 to 15 knots in the late evening.
Seas: Below 1 metre.
Swell: West to southwesterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Forecast for Saturday, 19 September
Weather: Sunny.
Winds: Southerly 10 to 15 knots turning west to southwesterly in the early afternoon.
Seas: Below 1 metre.
Swell: West to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres around midday.
Forecast for Sunday, 20 September
Weather: Sunny.
Winds: South to southwesterly 15 to 20 knots tending west to southwesterly during the afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres west of Barrow Island.
Swell: West to southwesterly below 1 metre inshore, increasing to 1.5 to 2.5 metres offshore.

Forecast for Thursday, 17 September
Weather: Sunny.
Winds: Variable about 10 knots becoming west to northwesterly 10 to 15 knots in the late afternoon then becoming variable about 10 knots in the evening.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Forecast for Friday, 18 September
Weather: Mostly sunny.
Winds: Variable about 10 knots becoming north to northwesterly 10 to 15 knots in the early afternoon then becoming west to northwesterly about 10 knots in the evening.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Forecast for Saturday, 19 September
Weather: Mostly sunny.
Winds: Variable about 10 knots becoming west to southwesterly 10 to 15 knots in the early afternoon.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Forecast for Sunday, 20 September
Weather: Mostly sunny.
Winds: Variable about 10 knots becoming west to southwesterly 10 to 15 knots during the day.
Seas: Below 1 metre.
Swell: Westerly around 1 metre.
Hillarys
▲ N
3 kn NNW
· 20 °C
Warnings
No warnings within 100 km.
State Wide
Marine
View all WA warnings
Temperature
Merriwa
20 °C 29 °C 11am 14 °C 11pm
↓ Cooling
Now: 20 °C
Tides
Quinns Rocks
12:59pm 0.58m 11:50pm 1.03m
↑ Rising
Current: 0.76m
Weather Now for Merriwa
Partly cloudy.
20 °C
Wind
3 kn NNW
Humidity
100%
Pressure
1015 hPa
At Hillarys
Nearby Wind
50 km radius
N S W E 8 kn Gingin Airport 9 kn Pearce 3 kn Swanbourne 8 kn Perth Airport 10 kn Rottnest Island
Merriwa
3 kn NNW
Recent Locations
Merriwa
3 kn NNW
 20°
Valley Heights
3 kn S
 14°
Borambola
4 kn SSW
 11°
Broke
7 kn WSW
 19°
Brocklesby
Calm
7°
Gidginbung
4 kn S
 7°
South Melbourne
Calm
10°
Sun
6:14am rise 6:10pm set
11 h 56 m of daylight
Now: 5:45pm
114 seconds more than yesterday
Moon
9:29amrise --:--set
37% illuminated
First Quarter
Live Weather
Nearby
Gingin Airport, WA
8 kn WSW
 21°
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5 kn W
 23°
Swanbourne, WA
3 kn NW
 19°
Melville Water, WA
6 kn WNW
Perth Airport, WA
8 kn W
 22°
Windiest in Australia
Maatsuyker Island, TAS
45 kn NW
 9°
Most Windless in Australia
Garden Island, WA
Calm
19°
Hottest in Australia
Marble Bar, WA
8 kn NE
 35°
Coldest in Australia
Perisher Valley, NSW
Calm
-1°
Wettest in Australia
South Johnstone, QLD
 19.6 mm
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