Issued at 4:00 am WST on Monday 18 December 2017
Warning Summary Monday 3.0m
Gale Warning for Monday for Perth Coast
Winds: Southwesterly 20 to 30 knots, reaching up to 35 knots during the
morning. Squalls to 55 knots possible during the evening. Seas: 2.5 to 4
metres. Swell: Southwesterly 4 to 6 metres. Weather: Cloudy. 80% chance of
showers. The chance of a thunderstorm early this morning. Caution: Dangerous
surf conditions hazardous for coastal activities such as swimming, surfing and
rock fishing. Tides expected to be higher than normal.
Winds: Southwesterly 20 to 25 knots tending southerly 15 to 25 knots before
dawn. Seas: 2 metres, decreasing to 1 to 1.5 metres during the morning, then
increasing to 1.5 to 2 metres by early evening. Swell: Southwesterly 2 to 4
metres. Weather: Partly cloudy.
Winds: East to southeasterly 15 to 20 knots turning southerly during the day.
Seas: 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning. Swell:
South to southwesterly below 1 metre inshore, increasing to 1 to 2 metres
offshore. Weather: Sunny.