The forecaster has also extended the period of the storm until 8am on Thursday.
“Southerly winds veering westerly today will reach gale force in exposed areas. Westerly winds will strengthen further this evening and overnight with gales or severe gales; and with stormy conditions likely to develop overnight and for Wednesday in coastal areas with gusts 100 to 130 km/hr.
“Wintry showers are likely tonight and on Wednesday with snow accumulations on high ground.”