Wednesday: Southeasterly 15/20 knots, reaching up to 25 knots offshore south of Cape Grenville during the afternoon and evening. Seas: 1/1.5 metres, increasing to 1.5/2.5 metres outside the reef. Swell: Southeasterly below 1 metre, increasing to 1/1.5 metres outside the reef. Thursday: Southeasterly 15/20 knots. Seas: Around 1 metre, increasing to 1/2 metres outside the reef. Swell: Southeasterly 1/1.5 metres, decreasing to around 1 metre during the morning. Outlook Friday: Southeasterly 10/15 knots. Seas: Around 1 metre. Swell: Southeasterly around 1 metre outside the reef.Issued Wed 10:00 EST
09:57 EST The SES says a severe storm battering parts of the Central Coast and northern Sydney is expected to continue for hours before easing this afternoon.