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BoM Northam Marine Weather Forecast

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Other WA Coastal Waters Forecasts

Forecast for Friday, 22 May
Weather: Partly cloudy. 80% chance of showers.
Winds: Southwesterly 15 to 20 knots turning southerly 15 to 25 knots before dawn.
Seas: 1 to 1.5 metres.
Swell: Southwesterly 2 to 3 metres.
Forecast for Saturday, 23 May
Weather: Cloudy.
Winds: Southerly 10 to 15 knots becoming variable about 10 knots in the early morning.
Seas: Around 1 metre, decreasing below 0.5 metres around midday.
Swell: Southwesterly 2 to 3 metres, decreasing to 1.5 to 2 metres by early evening. Below 0.5 metres, tending southerly 1 to 1.5 metres during the morning.
Forecast for Sunday, 24 May
Weather: Partly cloudy.
Winds: North to northwesterly about 10 knots increasing to 10 to 15 knots during the morning then becoming north to northeasterly about 10 knots during the afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2.5 metres. Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning.

Forecast for Friday, 22 May
Weather: Partly cloudy. 50% chance of showers.
Winds: Southerly 10 to 15 knots, reaching up to 20 knots offshore during the morning. Winds tending southeasterly in the evening.
Seas: 1 to 1.5 metres, decreasing below 1 metre around midday.
Swell: Southwesterly 1.5 to 2.5 metres.
Forecast for Saturday, 23 May
Weather: Cloudy.
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore.
Forecast for Sunday, 24 May
Weather: Partly cloudy.
Winds: North to northeasterly 10 to 15 knots decreasing to about 10 knots during the afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Southerly around 1 metre.

Forecast for Friday, 22 May
Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm east of Hopetoun this morning.
Winds: Southerly 15 to 25 knots.
Seas: 1.5 metres, increasing to 1 to 2 metres east of Hopetoun.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Saturday, 23 May
Weather: Cloudy. 50% chance of showers.
Winds: Southerly 15 to 20 knots turning southwesterly in the late morning.
Seas: 1 to 1.5 metres, decreasing to 1 metre around midday.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Sunday, 24 May
Weather: Cloudy.
Winds: South to southwesterly 10 to 15 knots becoming variable about 10 knots during the morning.
Seas: Below 1 metre, increasing to around 1 metre east of Hopetoun.
Swell: Southerly 1.5 to 2.5 metres, tending southwesterly 1.5 to 2 metres during the afternoon or evening. Southerly around 1 metre, increasing to 1 to 1.5 metres west of Hopetoun during the morning.

Forecast for Friday, 22 May
Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm during the morning and afternoon.
Winds: North to northeasterly 15 to 20 knots shifting southwesterly 15 to 25 knots early in the morning.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning.
Forecast for Saturday, 23 May
Weather: Partly cloudy. 90% chance of showers.
Winds: South to southwesterly 15 to 25 knots.
Seas: 1.5 to 2 metres.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Sunday, 24 May
Weather: Cloudy. 50% chance of showers.
Winds: Southerly 15 to 20 knots.
Seas: 1 to 2 metres, decreasing below 1.5 metres during the morning.
Swell: South to southwesterly 1.5 to 2.5 metres.

Forecast for Friday, 22 May
Weather: Cloud clearing.
Winds: Southerly 15 to 20 knots turning southeasterly 20 to 25 knots in the early morning.
Seas: 1.5 to 2 metres.
Swell: Southwesterly 1.5 to 2.5 metres.
Forecast for Saturday, 23 May
Weather: Sunny.
Winds: East to southeasterly 15 to 20 knots, reaching up to 25 knots offshore north of Denham early in the morning.
Seas: 1 to 2 metres, decreasing below 1.5 metres during the afternoon.
Swell: Southwesterly 1 to 2 metres.
Forecast for Sunday, 24 May
Weather: Sunny.
Winds: Easterly 15 to 20 knots becoming variable about 10 knots during the afternoon then becoming southeasterly 10 to 15 knots during the evening.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon or evening.
Swell: Southwesterly 1 to 1.5 metres.

Forecast for Friday, 22 May
Weather: Partly cloudy.
Winds: South to southeasterly 15 to 25 knots.
Seas: 1 to 2 metres.
Swell: Southwesterly 1.5 to 2.5 metres.
Forecast for Saturday, 23 May
Weather: Mostly sunny.
Winds: East to southeasterly 10 to 15 knots, reaching up to 20 knots offshore early in the morning.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 1.5 to 2 metres.
Forecast for Sunday, 24 May
Weather: Sunny.
Winds: East to northeasterly 10 to 15 knots becoming variable about 10 knots during the afternoon then becoming east to southeasterly 10 to 15 knots during the evening.
Seas: Around 1 metre.
Swell: Southwesterly 1 to 1.5 metres.

Forecast for Friday, 22 May
Weather: Partly cloudy. 60% chance of showers.
Winds: Southerly 15 to 20 knots turning southeasterly during the day.
Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Saturday, 23 May
Weather: Partly cloudy.
Winds: Easterly 10 to 15 knots becoming variable below 10 knots in the morning then becoming east to southeasterly 10 to 15 knots in the evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Sunday, 24 May
Weather: Mostly sunny.
Winds: Easterly 10 to 15 knots tending northeasterly during the morning then becoming variable about 10 knots during the afternoon.
Seas: Below 1 metre.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.

Forecast for Friday, 22 May
Weather: Partly cloudy.
Winds: Southerly 15 to 20 knots, reaching up to 25 knots offshore east of Cape Leeuwin early in the morning. Winds decreasing to about 10 knots in the evening.
Seas: 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 2.5 to 3 metres.
Forecast for Saturday, 23 May
Weather: Cloudy.
Winds: Variable below 10 knots.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2.5 metres, decreasing to 1.5 metres by early evening. Below 0.5 metres, tending southerly 1 to 1.5 metres during the morning.
Forecast for Sunday, 24 May
Weather: Cloudy.
Winds: Northerly 10 to 15 knots.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2.5 metres during the morning. Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning.

Forecast for Friday, 22 May
Weather: Sunny.
Winds: South to southeasterly 15 to 20 knots, reaching up to 25 knots offshore south of Coral Bay during the day.
Seas: 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore. Northeasterly around 1 metre north of Coral Bay.
Forecast for Saturday, 23 May
Weather: Sunny.
Winds: Southeasterly 15 to 20 knots, reaching up to 25 knots offshore early in the morning.
Seas: 1 to 2 metres, decreasing to 1 metre around midday.
Swell: South to southwesterly 1 to 2 metres.
Forecast for Sunday, 24 May
Weather: Sunny.
Winds: East to southeasterly 15 to 20 knots tending east to northeasterly during the morning then becoming variable about 10 knots during the evening.
Seas: 1 to 1.5 metres, decreasing below 1 metre during the evening.
Swell: Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore. Northeasterly below 1 metre, increasing to around 1 metre north of Coral Bay.

Forecast for Friday, 22 May
Weather: Sunny.
Winds: East to southeasterly 10 to 15 knots, reaching up to 20 knots east of Kalumburu during the morning. Winds becoming variable about 10 knots in the late afternoon.
Seas: Around 1 metre.
Swell: Northeasterly below 1 metre.
Forecast for Saturday, 23 May
Weather: Sunny.
Winds: Variable about 10 knots becoming 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: Northeasterly below 1 metre.
Forecast for Sunday, 24 May
Weather: Sunny.
Winds: South to southeasterly 10 to 15 knots becoming variable about 10 knots during the afternoon then becoming southeast to southwesterly 10 to 15 knots during the evening.
Seas: Below 1 metre.
Swell: Northeasterly below 1 metre.

Forecast for Friday, 22 May
Weather: Partly cloudy. 70% chance of showers.
Winds: Southerly 15 to 20 knots turning southeasterly 10 to 15 knots in the evening.
Seas: 1.5 metres, decreasing to 1 metre around midday.
Swell: Southwesterly 2 to 2.5 metres.
Forecast for Saturday, 23 May
Weather: Cloudy.
Winds: East to southeasterly 10 to 15 knots decreasing to below 10 knots in the morning.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2.5 metres.
Forecast for Sunday, 24 May
Weather: Mostly sunny.
Winds: Northeasterly 10 to 15 knots decreasing to about 10 knots during the afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2 metres.

Forecast for Friday, 22 May
Weather: Cloud clearing.
Winds: East to southeasterly 10 to 15 knots, reaching up to 20 knots offshore during the morning.
Seas: Around 1 metre.
Swell: North to northeasterly below 1 metre.
Forecast for Saturday, 23 May
Weather: Sunny.
Winds: Southeasterly 15 to 20 knots, reaching up to 25 knots offshore east of Port Hedland in the late evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: North to northeasterly below 1 metre.
Forecast for Sunday, 24 May
Weather: Sunny.
Winds: East to southeasterly 20 to 30 knots.
Seas: 1.5 to 2.5 metres.
Swell: East to northeasterly around 1 metre west of Port Hedland.

Forecast for Friday, 22 May
Weather: Sunny.
Winds: East to southeasterly 10 to 15 knots becoming variable about 10 knots in the early afternoon then becoming south to southwesterly 15 to 20 knots in the late afternoon.
Seas: Around 1 metre.
Swell: West to southwesterly around 1 metre offshore, increasing to 1 to 1.5 metres by early evening.
Forecast for Saturday, 23 May
Weather: Sunny.
Winds: Southerly 15 to 20 knots tending southeasterly before dawn then tending northeast to southeasterly in the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre during the afternoon.
Swell: West to southwesterly 1 to 1.5 metres offshore, decreasing to around 1 metre during the morning.
Forecast for Sunday, 24 May
Weather: Sunny.
Winds: East to southeasterly 15 to 25 knots increasing to 30 knots before tending east to northeasterly 15 to 20 knots during the day.
Seas: Around 1 metre, increasing to 1.5 to 2.5 metres during the morning.
Swell: North to northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres about offshore western waters during the afternoon or evening.

Forecast for Friday, 22 May
Weather: Partly cloudy. 50% chance of showers. The chance of a thunderstorm north of Broome early this morning.
Winds: Northeast to southeasterly 10 to 15 knots becoming variable about 10 knots in the middle of the day then becoming southeast to southwesterly 10 to 15 knots in the late evening.
Seas: Below 0.5 metres, increasing to around 1 metre offshore south of Broome.
Swell: North to northeasterly below 1 metre.
Forecast for Saturday, 23 May
Weather: Mostly sunny. 50% chance of showers north of Broome in the morning. Near zero chance of rain elsewhere.
Winds: South to southeasterly 10 to 15 knots, reaching up to 25 knots south of Cape Leveque in the late evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres south of Cape Leveque around midday.
Swell: Westerly below 1 metre.
Forecast for Sunday, 24 May
Weather: Sunny.
Winds: Southeasterly 15 to 25 knots.
Seas: 1 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon or evening.
Swell: Westerly below 1 metre.
Northam
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