BoM Twelve Mile Beach Marine Weather Forecast

Mean Sea Level Prognosis Charts

Mean Sea Level Prognosis Charts

Other WA Coastal Waters Forecasts

Forecast for Sunday, 16 August
Weather: Clear.
Winds: Northeasterly 10 to 15 knots, reaching up to 25 knots offshore in the evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres offshore.
Swell: Southwesterly 1.5 to 2 metres inshore, increasing to 2.5 to 3 metres offshore.
Forecast for Monday, 17 August
Weather: Becoming cloudy. Near 100% chance of showers. The chance of a thunderstorm in the afternoon and early evening. Possible small hail in the late afternoon and evening.
Winds: Northerly 20 to 30 knots turning westerly in the middle of the day.
Seas: 1.5 to 2.5 metres.
Swell: West to southwesterly 1.5 to 2.5 metres inshore, increasing to 3 to 4 metres offshore. East to northeasterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore around midday.
Forecast for Tuesday, 18 August
Weather: Cloudy. 80% chance of showers.
Winds: Southwesterly 20 to 30 knots turning west to northwesterly 15 to 25 knots during the morning.
Seas: 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning, increasing to 1 to 2 metres offshore around midday.
Swell: West to southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Forecast for Wednesday, 19 August
Weather: Partly cloudy. 80% chance of showers.
Winds: Northwesterly 20 to 30 knots turning westerly 15 to 25 knots during the morning.
Seas: 1.5 to 2.5 metres, decreasing to 1 metre during the afternoon.
Swell: West to southwesterly 2 to 3 metres inshore, increasing to 3 to 5 metres offshore.

Forecast for Sunday, 16 August
Weather: Clear.
Winds: North to northwesterly 10 to 15 knots, reaching up to 20 knots offshore in the evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres offshore.
Swell: West to southwesterly 2 to 2.5 metres.
Forecast for Monday, 17 August
Weather: Cloudy. Near 100% chance of showers, with possible small hail in the late afternoon and evening. The chance of a thunderstorm in the morning.
Winds: North to northwesterly 15 to 25 knots, reaching up to 30 knots during the day. Winds turning west to southwesterly in the late morning.
Seas: 1 to 2 metres, increasing to 2 to 3 metres during the morning.
Swell: Westerly 2 to 4 metres.
Forecast for Tuesday, 18 August
Weather: Cloudy. 70% chance of showers.
Winds: Northwest to southwesterly 15 to 20 knots tending northwesterly in the early afternoon then tending westerly in the late evening.
Seas: 1 to 2 metres, decreasing to 1 metre during the morning, increasing to 1 to 1.5 metres offshore during the afternoon.
Swell: West to southwesterly 3 to 5 metres.
Forecast for Wednesday, 19 August
Weather: Partly cloudy. 80% chance of showers.
Winds: Westerly 15 to 20 knots decreasing to about 10 knots during the day.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the morning.
Swell: West to southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore.

Forecast for Sunday, 16 August
Weather: Clear.
Winds: Northeasterly 15 to 25 knots.
Seas: 1.5 metres.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Monday, 17 August
Weather: Sunny morning. 90% chance of showers in the afternoon and evening. The chance of a thunderstorm in the late afternoon and evening.
Winds: North to northeasterly 20 to 30 knots decreasing to 15 to 25 knots in the morning then turning west to northwesterly 20 to 30 knots during the afternoon and evening.
Seas: 1.5 to 2 metres.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Tuesday, 18 August
Weather: Partly cloudy. 80% chance of showers.
Winds: Westerly 20 to 30 knots tending west to southwesterly 15 to 25 knots in the morning then tending west to northwesterly 10 to 15 knots in the evening.
Seas: 2 to 3 metres, decreasing to 1 to 2 metres around midday.
Swell: Southwesterly 2 to 3 metres. Easterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Forecast for Wednesday, 19 August
Weather: Partly cloudy.
Winds: Northwesterly 15 to 20 knots turning west to southwesterly during the morning then decreasing to about 10 knots during the evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 2 to 3 metres, increasing to 2.5 to 4 metres during the afternoon or evening.

Forecast for Sunday, 16 August
Weather: Clear.
Winds: East to northeasterly 15 to 20 knots.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Monday, 17 August
Weather: Mostly sunny.
Winds: Northeasterly 15 to 20 knots, reaching up to 25 knots west of Eyre in the evening.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Tuesday, 18 August
Weather: Partly cloudy. 50% chance of showers.
Winds: Northwest to northeasterly 15 to 25 knots tending westerly 20 to 30 knots in the early morning then tending west to southwesterly 15 to 25 knots in the morning.
Seas: 1 to 2 metres, decreasing to 1 metre by early evening.
Swell: Southwesterly 1.5 to 2 metres. Easterly around 1 metre.
Forecast for Wednesday, 19 August
Weather: Partly cloudy.
Winds: Northerly 10 to 15 knots becoming variable about 10 knots during the afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2 metres.

Forecast for Sunday, 16 August
Weather: Mostly clear.
Winds: Northwesterly 10 to 15 knots turning westerly in the late evening.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2.5 metres.
Forecast for Monday, 17 August
Weather: Partly cloudy. 50% chance of showers.
Winds: Westerly 10 to 15 knots, reaching up to 20 knots offshore south of Denham during the day. Winds turning southerly in the evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres south of Denham around midday.
Swell: Southwesterly 2 to 3 metres inshore, increasing to 2 to 4 metres offshore south of Denham.
Forecast for Tuesday, 18 August
Weather: Partly cloudy.
Winds: South to southeasterly 10 to 15 knots tending east to southeasterly in the early morning then turning southerly in the early afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 2.5 to 4 metres.
Forecast for Wednesday, 19 August
Weather: Cloudy. 70% chance of showers.
Winds: Southerly 10 to 15 knots turning southeasterly during the morning.
Seas: Around 1 metre.
Swell: Southwesterly 2.5 to 4 metres.

Forecast for Sunday, 16 August
Weather: Clear.
Winds: Northwest to southwesterly 10 to 15 knots decreasing to about 10 knots in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Monday, 17 August
Weather: Partly cloudy. 95% chance of showers.
Winds: Westerly 10 to 15 knots tending northwesterly 15 to 25 knots in the morning then turning southwesterly in the early afternoon. Winds reaching up to 30 knots offshore south of Geraldton in the early afternoon.
Seas: Below 1 metre, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore around midday.
Forecast for Tuesday, 18 August
Weather: Partly cloudy.
Winds: South to southwesterly 10 to 15 knots becoming variable about 10 knots before dawn.
Seas: Around 1 metre, decreasing below 0.5 metres during the morning.
Swell: Southwesterly 3 to 5 metres.
Forecast for Wednesday, 19 August
Weather: Cloudy. 50% chance of showers.
Winds: West to southwesterly below 10 knots becoming south to southeasterly during the morning.
Seas: Below 0.5 metres.
Swell: Southwesterly 2.5 to 3 metres inshore, increasing to 3 to 4 metres offshore.

Forecast for Sunday, 16 August
Weather: Clear.
Winds: Northeasterly 10 to 15 knots becoming variable about 10 knots in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Monday, 17 August
Weather: Partly cloudy. 95% chance of showers.
Winds: West to northwesterly below 10 knots increasing to 15 to 25 knots before dawn then tending west to southwesterly in the middle of the day. Winds reaching up to 30 knots in the late morning and afternoon.
Seas: Below 1 metre, increasing to 1.5 to 2.5 metres during the morning.
Swell: Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore around midday.
Forecast for Tuesday, 18 August
Weather: Cloudy.
Winds: Southwesterly 10 to 15 knots becoming variable below 10 knots in the early morning then becoming west to northwesterly 10 to 15 knots in the early afternoon.
Seas: 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 4 to 5 metres.
Forecast for Wednesday, 19 August
Weather: Partly cloudy. 50% chance of showers.
Winds: Westerly 10 to 15 knots becoming southwesterly below 10 knots during the afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 3 metres inshore, increasing to 4 metres offshore.

Forecast for Sunday, 16 August
Weather: Mostly clear.
Winds: Northerly 15 to 20 knots, reaching up to 25 knots offshore east of Cape Leeuwin in the evening.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres offshore.
Swell: Southwesterly 2.5 metres inshore, increasing to 3 to 4 metres offshore.
Forecast for Monday, 17 August
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning and afternoon. Possible small hail in the afternoon and evening.
Winds: North to northwesterly 20 to 30 knots turning west to southwesterly in the late morning.
Seas: 1.5 to 2 metres, increasing to 2 to 3 metres during the morning.
Swell: Southwesterly 3 to 4 metres, tending westerly 3 to 5 metres during the morning.
Forecast for Tuesday, 18 August
Weather: Cloudy. 90% chance of showers.
Winds: Northwest to southwesterly 15 to 20 knots becoming northwesterly 20 to 25 knots in the early afternoon then increasing to 20 to 30 knots in the late evening.
Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, increasing to 1.5 to 2 metres offshore east of Cape Leeuwin during the afternoon.
Swell: Westerly 4 to 5 metres.
Forecast for Wednesday, 19 August
Weather: Partly cloudy. 90% chance of showers.
Winds: Northwesterly 20 to 30 knots turning westerly during the morning.
Seas: 1.5 to 2.5 metres, decreasing to 1 metre during the morning.
Swell: Westerly 4 to 5 metres, tending southwesterly 4 to 5 metres during the morning.

Forecast for Sunday, 16 August
Weather: Partly cloudy.
Winds: Variable below 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore south of Coral Bay.
Forecast for Monday, 17 August
Weather: Partly cloudy. 50% chance of showers.
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2.5 metres.
Forecast for Tuesday, 18 August
Weather: Partly cloudy.
Winds: South to southeasterly about 10 knots tending east to southeasterly 10 to 15 knots in the morning then becoming variable about 10 knots in the middle of the day.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore during the morning.
Forecast for Wednesday, 19 August
Weather: Partly cloudy. 60% chance of showers.
Winds: Southeasterly 10 to 15 knots.
Seas: Below 1 metre.
Swell: Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore.

Forecast for Sunday, 16 August
Weather: Clear.
Winds: Variable about 10 knots.
Seas: Below 0.5 metres.
Swell: Westerly below 1 metre.
Forecast for Monday, 17 August
Weather: Mostly sunny.
Winds: Variable about 10 knots.
Seas: Below 0.5 metres.
Swell: Westerly below 1 metre.
Forecast for Tuesday, 18 August
Weather: Mostly sunny.
Winds: Variable about 10 knots.
Seas: Below 0.5 metres.
Swell: Northeasterly below 1 metre.
Forecast for Wednesday, 19 August
Weather: Sunny.
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Northeasterly around 1 metre.

Forecast for Sunday, 16 August
Weather: Clear.
Winds: North to northeasterly 10 to 15 knots tending north to northwesterly below 10 knots in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Monday, 17 August
Weather: Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning.
Winds: Northwesterly 15 to 25 knots increasing to 30 knots before turning southwesterly 15 to 25 knots in the evening.
Seas: Around 1 metre, increasing to 2 to 3 metres during the morning.
Swell: Southwesterly 2.5 to 3 metres, tending westerly 3 to 4 metres around midday.
Forecast for Tuesday, 18 August
Weather: Cloudy.
Winds: Southwesterly 15 to 20 knots turning west to northwesterly 10 to 15 knots during the day.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 4 to 5 metres.
Forecast for Wednesday, 19 August
Weather: Partly cloudy. 60% chance of showers.
Winds: Westerly 10 to 15 knots decreasing to about 10 knots during the day.
Seas: Around 1 metre.
Swell: Southwesterly 4 metres.

Forecast for Sunday, 16 August
Weather: Clear.
Winds: Variable below 10 knots.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Forecast for Monday, 17 August
Weather: Sunny.
Winds: Variable about 10 knots becoming south to southeasterly 10 to 15 knots in the morning then becoming variable about 10 knots in the middle of the day.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Forecast for Tuesday, 18 August
Weather: Mostly sunny.
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Forecast for Wednesday, 19 August
Weather: Sunny.
Winds: Westerly below 10 knots becoming south to southwesterly during the morning then becoming west to northwesterly during the day.
Seas: Below 1 metre.
Swell: Westerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore west of Port Hedland.

Forecast for Sunday, 16 August
Weather: Partly cloudy.
Winds: Variable below 10 knots.
Seas: Below 0.5 metres.
Swell: West to southwesterly around 1 metre offshore.
Forecast for Monday, 17 August
Weather: Partly cloudy.
Winds: Variable about 10 knots becoming south 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 Tuesday, 18 August
Weather: Partly cloudy.
Winds: Southerly 10 to 15 knots becoming variable below 10 knots in the morning.
Seas: Below 1 metre.
Swell: West to southwesterly below 1 metre inshore, increasing to 1.5 to 2.5 metres offshore.
Forecast for Wednesday, 19 August
Weather: Mostly sunny.
Winds: Variable below 10 knots.
Seas: Below 0.5 metres.
Swell: West to southwesterly below 1 metre inshore, increasing to 1.5 to 2.5 metres offshore.

Forecast for Sunday, 16 August
Weather: Clear.
Winds: West to southwesterly about 10 knots.
Seas: Below 1 metre.
Swell: Westerly below 1 metre.
Forecast for Monday, 17 August
Weather: Sunny.
Winds: Variable about 10 knots.
Seas: Below 0.5 metres.
Swell: Westerly below 1 metre.
Forecast for Tuesday, 18 August
Weather: Sunny.
Winds: Variable about 10 knots.
Seas: Below 0.5 metres.
Swell: Westerly below 1 metre.
Forecast for Wednesday, 19 August
Weather: Sunny.
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Westerly around 1 metre.
Hopetoun North
N
7 kn NE
· 14 °C
Warnings
No warnings within 100 km.
State Wide
Temperature
Twelve Mile Beach
14 °C 22 °C 1pm 10 °C 5am
↓ Cooling
Now: 14 °C
Tides
Twelve Mile Beach
5:27pm 0.67m 12:25am 1.23m
↑ Rising
Current: 0.82m
Weather Now for Twelve Mile Beach
Clear.
14 °C
Feels like 11 °C
Wind
7 kn NE
Humidity
70%
Pressure
1021 hPa
At Hopetoun North
Nearby Wind
50 km radius
N S W E 7 kn Hopetoun North
Twelve Mile Beach
7 kn NE
Recent Locations
Twelve Mile Beach
7 kn NE
14°
Sun
6:37am rise 5:30pm set
10 h 52 m of daylight
Now: 7:52pm
108 seconds more than yesterday
Moon
8:26amrise 9:24pmset
17% illuminated
Waxing Crescent
Live Weather
Nearby
Hopetoun North, WA
7 kn NE
14°
Windiest in Australia
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30 kn SE
21°
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Calm
Hottest in Australia
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5 kn ENE
29°
Coldest in Australia
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12 kn ENE
Wettest in Australia
Port Macquarie Airport, NSW
38.2 mm