Coastal Weather

Issued at 16:04 on Thursday 12 June 2025. Valid for Thursday.

Valid from 16:04 on Thursday 12 June 2025 until 00:12 on Saturday 14 June 2025.

Abel

Thursday : Northwest 15 knots but variable 10 knots south of Separation Point. Sea slight. Northerly swell 2 metres, easing. Fair visibility in a few showers. Possible thunderstorms east of Nelson from evening. Friday : Southeast 10 knots but 20 knots north of Separation Point. Becoming southeast 20 knots everywhere in the afternoon. Sea becoming moderate everywhere. Northerly swell 1 metre, easing. Poor visibility in scattered showers.

Outlook following 3 days: Saturday: Southeast 10 knots but 20 knots north of Separation Point. Becoming southeast 20 knots everywhere in the afternoon. Sunday: Southeast 20 knots. Monday: Southerly 10 knots but southeast 20 knots north of Separation Point.

Brett

Thursday : Northwest 25 knots. Sea rough. Northerly swell 1 metre. Poor visibility in showers. Friday : Westerly 20 knots. Sea moderate. Northerly swell 1 metre, easing. Poor visibility in scattered showers.

Outlook following 3 days: Saturday: Westerly 20 knots, easing to 10 knots in the evening. Sunday: Variable 10 knots. Monday: Southerly 10 knots, becoming easterly 20 knots early.

Castlepoint

Thursday : Northwest 15 knots but southwest 15 knots south of Flat Point. Becoming variable 10 knots but southwest 15 knots south of Cape Palliser in the evening. Sea slight. Long period southerly swell rising to 2 metres. Friday : Southwest 20 knots but variable 10 knots north of Cape Palliser. Becoming southerly 25 knots everywhere in the evening. Sea becoming rough. Long period southerly swell 2 metres. Poor visibility in periods of evening rain.

Outlook following 3 days: Saturday: Southerly 20 knots, easing to 10 knots in the afternoon. Moderate southerly swell. Sunday: Southeast 10 knots. Moderate southerly swell. Monday: Southeast 15 knots. Moderate southerly swell easing.

Chalmers

Thursday : Southeast 20 knots, easing to 10 knots in the evening. Moderate sea easing. Long period southwest swell 2 metres. Poor visibility in periods of rain or drizzle. Friday : Southeast 10 knots, turning southwest 15 knots in the morning. Sea slight. Long period southwest swell 2 metres. Poor visibility in periods of drizzle.

Outlook following 3 days: Saturday: Westerly 15 knots. Moderate southerly swell. Sunday: Westerly 10 knots. Moderate southwest swell easing. Monday: Westerly 10 knots, becoming northerly 15 knots later. Southwest swell becoming moderate.

Chatham Islands

Thursday : Easterly 20 knots. Sea moderate. Long period southwest swell rising to 4 metres, late. Poor visibility in occasional rain. Friday : Northeast 20 knots, turning northwest 15 knots in the evening. Moderate sea easing. Long period southwest swell 4 metres, easing. Poor visibility in periods of rain.

Outlook following 3 days: Saturday: Northerly 10 knots, changing southerly 25 knots in the morning. Sea becoming rough. Moderate southerly swell. Sunday: Southerly 20 knots, easing to 10 knots early. Moderate southerly swell. Monday: Southerly 15 knots. Moderate southwest swell.

Colville

Thursday : Northwest 25 knots. Sea rough. Northerly swell 1 metre. Poor visibility in showers. Friday : Westerly 25 knots. Sea rough. Northerly swell 1 metre, easing. Poor visibility in scattered showers.

Outlook following 3 days: Saturday: Westerly 20 knots, easing to 10 knots in the evening. Sunday: Variable 10 knots, becoming easterly 20 knots later. Monday: Easterly 25 knots. Sea rough. Easterly swell becoming moderate.

Conway

Thursday : Variable 10 knots. Southeast 15 knots developing in the evening. Sea slight. Long period southwest swell rising to 2 metres. Poor visibility in periods of rain in the south. Friday : Southerly rising to 20 knots in the afternoon, and to 30 knots north of Kaikoura Peninsula in the evening. Sea becoming rough in the north. Long period southwest swell 2 metres. Poor visibility in periods of rain, easing in the afternoon.

Outlook following 3 days: Saturday: Southwest 25 knots, easing to 15 knots in the morning. Rough sea easing. Moderate southerly swell easing. Sunday: Southwest 10 knots. Southerly swell becoming moderate. Monday: Southerly 10 knots. Moderate southerly swell easing.

Cook

Thursday : Variable 10 knots. Southerly 15 knots developing in the evening. Sea slight. Southerly swell 1 metre. Northerly swell 2 metres north of Cape Terawhiti, easing. Poor visibility in evening showers. Friday : Southerly 15 knots, rising to 25 knots in the afternoon and to 35 knots in the evening. Sea becoming very rough. Long period southerly swell rising to 2 metres. Northerly swell 1 metre north of Cape Terawhiti, easing. Poor visibility in scattered showers.

Outlook following 3 days: Saturday: Southerly 30 knots, easing to southeast 20 knots in the morning. Rough sea easing. Moderate southerly swell easing. Sunday: Southeast 20 knots. Monday: Southeast 25 knots. Sea rough.

Foveaux

Thursday : Easterly 20 knots, easing to southeast 10 knots in the evening. Moderate sea easing. Long period southwest swell 2 metres. Poor visibility in periods of rain or drizzle. Friday : Southerly 10 knots, changing westerly 15 knots in the evening. Sea slight. Long period southwest swell 2 metres. Poor visibility in periods of drizzle.

Outlook following 3 days: Saturday: Northwest 15 knots but southwest 20 knots east of Slope Point to Shelter Point. Easing to westerly 10 knots everywhere in the morning. Moderate southwest swell. Sunday: Westerly 15 knots. Moderate southwest swell. Monday: Northwest 10 knots. Moderate southwest swell.

Grey

Thursday : Northerly 25 knots but easterly 25 knots south of Cape Foulwind. Turning westerly 20 knots in the north in the evening. Rough sea easing in the north. North of Abut Head: Northwest swell 3 metres, easing. Long period southwest swell 1 metre. South of Abut Head: Northwest swell 2 metres, easing. Long period southwest swell 2 metres. Poor visibility in scattered showers. Possible thunderstorms north of Grey River mouth, clearing in the evening. Friday : Easterly 25 knots but northwest 20 knots north of Cape Foulwind. Becoming variable 10 knots but southeast 15 knots in the north in the morning. Rough sea in the south, easing. North of Abut Head: Northwest swell 2 metres, easing. Long period southwest swell rising to 2 metres. South of Abut Head: Long period southwest swell 2 metres. Poor visibility in scattered showers north of Cape Foulwind.

Outlook following 3 days: Saturday: Easterly 10 knots. Moderate southwest swell easing. Sunday: Variable 10 knots. Southwest swell becoming moderate. Monday: Easterly 10 knots. Moderate southwest swell.

Kaipara

Thursday : Northwest 25 knots. Sea rough. Northwest swell 3 metres, easing. Long period southwest swell 1 metre. Poor visibility in showers. Possible thunderstorms, clearing in the evening. Friday : Westerly 20 knots. Sea moderate. Long period southwest swell rising to 2 metres. Northwest swell 2 metres, easing. Poor visibility in scattered showers. Possible thunderstorms in the south, clearing in the afternoon.

Outlook following 3 days: Saturday: Westerly 20 knots, easing to southwest 10 knots in the afternoon. Moderate southwest swell. Sunday: Southwest 10 knots. Moderate southwest swell easing. Monday: Southerly 10 knots, becoming easterly 20 knots later.

Milford

Thursday : Southeast 15 knots. Sea slight. Northerly swell 2 metres, easing. Long period southwest swell 2 metres. Friday : Southerly 15 knots. Sea slight. Long period southwest swell rising to 3 metres for a time.

Outlook following 3 days: Saturday: Southerly 20 knots, easing to variable 10 knots in the afternoon. Moderate southwest swell. Sunday: Southerly 10 knots, rising to 20 knots later. Moderate southwest swell easing. Monday: Southerly 10 knots but 20 knots offshore. Easing to variable 10 knots everywhere early. Southwest swell becoming moderate.

Plenty

Thursday : Northwest 20 knots. Sea moderate. Northerly swell 1 metre. Poor visibility in showers. Possible thunderstorms east of White Island, clearing in the evening. Friday : Westerly 20 knots. Sea moderate. Northerly swell 1 metre, easing. Poor visibility in scattered showers.

Outlook following 3 days: Saturday: Westerly 20 knots, easing to southwest 10 knots in the morning. Changing easterly 15 knots in the afternoon. Sunday: Easterly 20 knots. Monday: Southeast 25 knots. Sea rough.

Portland

Thursday : Northwest 20 knots but 30 knots north of East Cape, easing to westerly 15 knots everywhere in the evening. Rough sea in the north easing. Long period southwest swell 1 metre. Northwest swell 1 metre north of East Cape. Friday : Northwest 15 knots but westerly 25 knots north of East Cape. Becoming southwest 25 knots everywhere in the afternoon. Sea becoming rough. Long period southwest swell rising to 2 metres. Northwest swell 1 metre north of East Cape, easing.

Outlook following 3 days: Saturday: Southerly 15 knots. Moderate southerly swell. Sunday: Southeast 15 knots. Moderate southerly swell. Monday: Southeast 10 knots, rising to 20 knots early. Moderate southerly swell.

Puysegur

Thursday : Southeast 20 knots but 30 knots about West Cape. Sea rough about West Cape. Long period southwest swell 3 metres, easing. Friday : Southerly 20 knots but 30 knots north of West Cape, easing to southerly 15 knots everywhere in the morning. Sea rough in the north, easing. Very long period southwest swell 2 metres.

Outlook following 3 days: Saturday: Southwest 20 knots, easing to 10 knots in the morning. Moderate southwest swell. Sunday: Westerly 15 knots. Moderate southwest swell. Monday: Variable 10 knots. Moderate southwest swell.

Raglan

Thursday : Northwest 25 knots. Sea rough. Northwest swell 3 metres, easing. Long period southwest swell 1 metre. Poor visibility in showers. Possible thunderstorms. Friday : Westerly 25 knots, becoming westerly 20 knots but southeast 20 knots south of Kawhia Harbour in the afternoon. Rough sea easing. Long period southwest swell rising to 2 metres. Northwest swell 2 metres, easing. Poor visibility in scattered showers. Possible thunderstorms clearing in the morning.

Outlook following 3 days: Saturday: Westerly 20 knots but southeast 25 knots south of Kawhia Harbour. Becoming southeast 20 knots everywhere in the morning. Rough sea in the south easing. Moderate southwest swell easing. Sunday: Easterly 20 knots. Monday: Easterly 20 knots.

Rangitata

Thursday : Southeast 20 knots. Sea moderate. Long period southwest swell 2 metres. Poor visibility in periods of rain. Friday : Southerly 15 knots. Sea slight. Long period southwest swell 2 metres. Poor visibility in periods of rain, easing in the afternoon.

Outlook following 3 days: Saturday: Southwest 10 knots. Moderate southerly swell easing. Sunday: Variable 10 knots. Southerly swell becoming moderate. Monday: Variable 10 knots. Moderate southerly swell easing.

Stephens

Thursday : Northwest 15 knots. Sea slight. Northwest swell 3 metres, easing. Southwest swell 1 metre west of Cape Farewell to Hawera. Poor visibility in showers, heavy at times. Possible thunderstorms. Friday : Westerly 15 knots. Changing southeast 20 knots south of farewell Spit to Foxton Beach in the morning. Becoming southeast 25 knots everywhere in the afternoon, and rising to 35 knots in the evening. Sea becoming very rough. Northwest swell 2 metres, easing. Long period southwest swell rising to 2 metres west of Cape Farewell to Hawera. Poor visibility in scattered showers.

Outlook following 3 days: Saturday: Southeast 30 knots, easing to easterly 20 knots in the evening. Rough sea easing. Moderate southwest swell, easing. Sunday: Southeast 20 knots. Monday: Southeast 25 knots. Sea rough.

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