Marlborough Region - New Zealand   2026-04-12   Sunday   -41.52S, 173.95E

Blenheim

Marlborough Region - New Zealand
2026-04-12

Heavy Rain Warning - Orange

Issue date: 2026-04-11T21:59+00:00

Expect 70 to 100 mm of rain to accumulate, but up to 120 mm possible about the Seaward Kaikoura Range. Peak rates of 20 to 30 mm/h expected this afternoon and early evening. Impact: Streams and rivers may rise rapidly. Surface flooding, slips, and difficult driving conditions possible. Chance of upgrading to a Red Warning: Minimal. Changes: Note risk of increased rainfall amounts about Seaward Kaikoura area.