| Fri 17 Oct | | | | |
| Sat 18 Oct | 1. Northwest wind gusts 80+ km/h for Midland line east of Arthurs Pass ease from midday. [Risk of damaging gusts 120+ km/h for alpine/foothills Midland line east of Arthurs Pass until midday.]
2. Northwest wind gusts 80+ km/h for the Marlborough area pm/evening hours, and for coastal Buller for a time evening/late.
2. Rain spreads north along West Coast, heavy for a time, then clears late. Totals reach 25+ mm for most places. Expect 100+ mm for alpine Midland line areas, and 50+ mm Buller Gorge area.
3. Rainfall totals reduce east of Arthurs Pass but expect 25+ mm within about 10 km east of the town. | | Conference Call | |
| Sun 19 Oct | 1. Northwest wind gusts 80+ km/h for Marlborough eases morning.
2. A period of westerly wind gusts 80+ km/h for MSL south of about Oamaru. | | | |
| Mon 20 Oct | 1. Northwest winds pick up from the south during the day with gusts 80+ km/h for many places for a time. [Risk of damaging gusts 120+ km/h for Southland MSL morning hours, and for Midland line east of Arthurs Pass, including on the Canterbury Plains, from about 9 am to midnight. ]
2. Heavy rain develops for West Coast during the day. Totals reach 50+ mm in many places by late, and with 100+ mm for inland Midland. Also expect 25+ mm within about 15 km east of Arthurs Pass. | | Conference Call | Conference Call |
| Tue 21 Oct | 1. Rain eases from south for West Coast during the day. [Expect another 50 to 100 mm for many places. Event totals likely reach 150 to 200 mm in many places. ]
2. Very gusty west or northwest wind conditions for most places with gusts 80+ km/h. [Damaging gusts 120+ km/h during the day for MSL south of about Oamaru, for Midland line east of Arthurs Pass, and for MNL.] Winds ease all areas by late. | | | |