Marlborough-Nelson Marine Radio broadcast the most recent weather forecast on:
Channel 01, 28, 60, 63, 65 and 66 at 0835, 1135 and 1735

Maritime Radio transmit the weather at 0533, 0733, 1033, 1333, 1733 and 2133 - listen on Channel 16 for a general broadcast and then go to the appropriate channel for your area.

If you miss a broadcast then Marlborough-Nelson Radio will be able to give updates on request.