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![]() Recreational Marine: Coromandel Marine Weather Situation and Forecast issued at 2252hrs Thursday 18-Sep-2025 by MetService Situation: A southwest flow over Aotearoa weakens today as a ridge builds over the country. Northwesterlies strengthen over the far south tonight, and the rest of the South Island tomorrow, ahead of a front approaching from the Tasman Sea. The ridge over the North Island moves slowly eastwards as the front makes its way northwards over the South Island during Sunday, stalling in central New Zealand by the end of the day. On Monday, the front lies slow moving over central parts of the country while a northwest flow develops over the South Island. The front crosses the North Island on Tuesday as a second front moves onto the lower South Island. Forecast for Inshore waters from Great Mercury Island to Mayor Island to Matakana Island Nil warnings Friday: Westerly 20 knots, easing to southwest 10 knots around midday, changing southeast 20 knots in the evening. Moderate sea easing for a time in the afternoon. Fair visibility in a few showers, clearing in the evening. Northerly swell half a metre, easing. Saturday: Southeast 20 knots, turning northeast 20 knots in the afternoon. Partly cloudy. Easterly swell half a metre developing. Sunday: Northerly 20 knots. Partly cloudy. Northerly swell 1 metre developing. Monday: Northerly 20 knots. Partly cloudy. Northerly swell 1 metre. High Tide at Tauranga: Friday 0440 1.7 metres Friday 1714 1.8 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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