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 Recreational Marine: Hawke Bay Marine Weather Situation and Forecast issued at 0715hrs Thursday 31-Jul-2025 by MetService NIL for PORTLAND Situation: A Tsunami marine advisory is in effect for ALL marine coastal areas including Stewart Island and Chatham Islands. Please refer to https://www.civildefence.govt.nz/ for details and updates. Today, a deep low to the east of the country directs strong southerlies to the east of both islands and a front moves onto the lower South Island late evening. On Friday, a couple of weak fronts embedded in a southerly flow bring showers to mainly eastern parts of northern and central New Zealand, while a ridge of high pressure builds over the South Island from the Tasman Sea. Over the weekend, the ridge remains over the South Island, while east to southeast winds bring showers to eastern parts of the North Island. On Monday, the high shifts to the east of the country. Forecast issued at 0435hrs Thursday 31-Jul-2025 Valid to 7 am Thursday for Inshore waters between Cape Kidnappers and Portland Island. Thursday: Southwest 10 knots, rising to 15 knots this morning, and 20 knots for a time this afternoon and early evening. Sea becoming moderate for a time this afternoon and early evening. EXPECT STRONG AND UNUSUAL CURRENTS AND UNPREDICTABLE SURGES AT THE SHORE. Poor visibility in showers developing this afternoon. Easterly swell half a metre to 1 metre. Outlook until midnight Sunday: Friday: Southwest 15 knots. Rain developing. Southerly swell 2 metres. Saturday: Southwest 20 knots. Partly cloudy. Southerly swell rising to 3 metres. Sunday: Southwest 15 knots, rising to southerly 30 knots early, easing to 20 knots late. Partly cloudy. Southerly swell rising to 4 metres. High tide at Napier: 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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