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![]() Coastal Marine: CHATHAM ISLANDS Issued: Sunday, 19 Oct 2025 03:03 Am *GALE WARNING IN FORCE* Sunday: Northerly 20 knots, changing to westerly 25 knots but 35 knots south of Chatham Island in the evening. Sea becoming very rough in the south. Long period southwest swell rising to 3 metres. Northwest swell 1 metre. Poor visibility in rain from evening. Monday: Northwest 25 knots. Sea rough. Moderate southwest swell easing. Tuesday: Northwest 25 knots, rising to 35 knots early. Easing to westerly 20 knots late. Sea becoming very rough for a time. Southwest swell becoming moderate. Wednesday: Westerly 20 knots, rising to 30 knots early, easing to 20 knots later. Sea becoming rough for a time. Moderate southwest swell dying out. Moderate northerly swell developing for a time. Heavy southwest swell developing. 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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