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![]() Recreational Marine: Christchurch Marine Weather Situation and Forecast issued at 1044hrs Friday 19-Sep-2025 by MetService Situation: A ridge of high pressure moves east across New Zealand today and tomorrow. A northwest flow develops over the South Island today then strengthens tomorrow ahead of a front approaching from the Tasman Sea. An active front moves northwards over the South Island during Sunday, stalling over central New Zealand during Monday. The front then moves onto western parts of the North Island on Tuesday, while another front moves onto the lower South Island. Forecast for Inshore waters from Lyttelton Harbour to the Waimakariri River mouth Nil warnings Friday: Variable 5 knots. Northeast 10 knots developing this afternoon, then rising to 20 knots this evening. Sea becoming moderate this evening. Fair visibility in a few showers, clearing to fine this afternoon. Saturday: Northerly 20 knots. Sea moderate. Fine. Northeast swell half a metre developing. Sunday: Northerly 20 knots, easing to northeast 15 knots in the morning. Becoming northwest 10 knots in the evening. Showers developing. Northeast swell half a metre or less. Monday: Northwest 10 knots, easing to variable 5 knots early. Partly cloudy. Tuesday: Becoming northwest 10 knots early. Easing to variable 5 knots in the morning, becoming southwest 15 knots later. Occasional rain. High Tide at Lyttelton: Friday 1432 2.4 metres Saturday 0256 2.2 metres Article © 2025 Metservice, Funded by the NZ Government Data is for information only. New Zealand City disclaims all liability or responsibility for any loss or damage that may result from the action or failure to act by any person in reliance on any information provided herein. ![]() |
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