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 Recreational Marine: Auckland Marine Weather Situation and Forecast issued at 1124hrs Thursday 18-Sep-2025 by MetService Situation: A weakening cold front moves north over the North Island today, while a disturbed south to southwest flow lies over the South Island. The southerly flow is expected to ease tomorrow as a ridge builds over the country. Northwesterlies strengthen over the far south of the South Island tomorrow night. A northwest flow strengthens over the South Island on Saturday, ahead of a front approaching from the Tasman Sea. 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. Forecast for Manukau Harbour issued at 1121hrs Thursday 18-Sep-2025 Nil warnings Thursday: Northwest 20 knots. Changing to southwest 15 knots early evening, then rising to 20 knots late evening. Moderate sea easing for a time early evening. Poor visibility in rain, possibly heavy, then easing late evening. For the west coast: Westerly swell rising to 3 metres. Friday: Southwest 20 knots, easing to 15 knots in the afternoon, and then to variable 5 knots in the evening. Moderate sea easing. Fair visibility in a few showers, clearing in the evening. For the west coast: Southwest swell rising to 4 metres. Saturday: Variable 5 knots, becoming northeast 15 knots in the morning. Fine. For the west coast: Southwest swell 2 metres easing. Sunday: Northeast 15 knots. Partly cloudy. For the west coast: Westerly swell 1 metre. Monday: Northeast 20 knots. Partly cloudy. For the west coast: Westerly swell rising to 2 metres. Forecast for Waitemata Harbour issued at 1121hrs Thursday 18-Sep-2025 Nil warnings Thursday: Northwest 20 knots, changing southwest 15 knots in the evening. Moderate sea easing in the evening. Poor visibility in rain, possibly heavy, then easing in the evening. Friday: Southwest 15 knots, easing to easterly 10 knots in the evening. Sea slight. Fair visibility in a few showers, clearing in the evening. Saturday: Easterly 10 knots, turning northeast 10 knots in the morning, rising to 20 knots in the afternoon. Fine. Sunday: Northerly 20 knots. Partly cloudy. Monday: Northerly 20 knots. Cloud clearing and becoming fine. Forecast for Hauraki Gulf issued at 1121hrs Thursday 18-Sep-2025 *Strong wind advisory in force* Thursday: Northwest 25 knots gusting 35 knots, easing to 20 knots in the afternoon. Changing to southwest 20 knots in the evening. Rough sea easing in the afternoon. Poor visibility in rain, possibly heavy, easing in the evening. Friday: Southwest 20 knots, becoming southeast 10 knots in the evening. Moderate sea easing in the evening. Fair visibility in a few showers, clearing in the evening. Saturday: Southeast 10 knots, rising to northeast 20 knots in the afternoon. Fine. Sunday: Northerly 20 knots. Partly cloudy. Monday: Northerly 20 knots. Partly cloudy. Forecast for Bream Head to Cape Colville issued at 1121hrs Thursday 18-Sep-2025 *Strong wind advisory in force* Thursday: Northwest 25 knots gusting 35 knot, easing to 20 knots gusting 30 knots in the afternoon. Changing to southwest 20 knots in the evening. Rough sea easing in the afternoon. Poor visibility in rain, possibly heavy, easing in the evening. Friday: Southwest 20 knots, easing to southerly 15 knots in the evening. Moderate sea easing. Fair visibility in a few showers, clearing in the evening. Saturday: Southerly 15 knots, turning northeast 20 knots in the morning. Fine. Sunday: Northerly 20 knots. Partly cloudy. Northerly swell 1 metre developing. Monday: Northerly 20 knots. Partly cloudy. Northerly swell 1 metre. High Tide at Auckland: Thursday 1633 3.0 metres Friday 0500 2.9 metres High Tide at Onehunga: Thursday 2013 3.7 metres Friday 0840 3.6 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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