Coastal Forecasts

Plenty

Warning: Nil

Tuesday: Variable 10 knots. Easterly 15 knots developing in the afternoon. Sea slight. Long period northeast swell 1 metre developing.

Wednesday: Easterly 15 knots. Sea slight. Northeast swell rising to 2 metres. Fair visibility in showers offshore.

Thursday: Southeast 20 knots, easing to easterly 10 knots in the morning. Moderate northeast swell.

Friday: Variable 10 knots, becoming southwest 15 knots early. Becoming southeast 25 knots later. Sea becoming rough. Moderate northeast swell.

Saturday: Southeast 20 knots, easing to 10 knots early, rising to 20 knots later. Moderate easterly swell easing.

Issued: 12:09pm Tuesday 9 Dec 2025

Colville

Warning: Nil

Tuesday: Easterly 15 knots. Sea slight. Long period northeast swell 2 metres developing.

Wednesday: Southeast 20 knots. Sea moderate. Easterly swell rising to 3 metres offshore. Fair visibility in showers offshore.

Thursday: Southeast 20 knots, turning southwest 15 knots in the evening. Moderate northeast swell.

Friday: Southwest 20 knots, turning southeast 20 knots later. Moderate easterly swell easing.

Saturday: Southeast 20 knots. Easterly swell becoming moderate.

Issued: 12:09pm Tuesday 9 Dec 2025

Brett

Warning: Nil

Tuesday: Southeast 15 knots. Sea slight. Long period northeast swell 2 metres developing.

Wednesday: Southeast 15 knots, rising to 25 knots offshore in the morning. Sea becoming rough offshore. Easterly swell rising to 3 metres offshore. Fair visibility in showers offshore.

Thursday: Southerly 20 knots. Moderate easterly swell.

Friday: Southerly 20 knots. Moderate southeast swell easing.

Saturday: Southerly 15 knots, turning easterly 15 knots early. Easterly swell becoming moderate.

Issued: 12:09pm Tuesday 9 Dec 2025

Kaipara

Warning: Nil

Tuesday: Southeast 15 knots. Sea slight. Long period northeast swell 2 metres developing. Long period southwest swell 1 metre north of Cape Reinga.

Wednesday: Southeast 20 knots. Sea moderate. Easterly swell rising to 3 metres offshore. Long period southwest swell 1 metre north of Cape Reinga.

Thursday: Southerly 20 knots. Southwest swell becoming moderate.

Friday: Southerly 25 knots. Sea rough. Moderate southwest swell.

Saturday: Southeast 20 knots, easing to easterly 10 knots early. Moderate southwest swell.

Issued: 12:09pm Tuesday 9 Dec 2025

Raglan

Warning: Nil

Tuesday: Variable 10 knots. Southerly 15 knots developing in the evening. Sea slight. Southwest swell 1 metre.

Wednesday: Southerly 15 knots. Sea slight. Long period southwest swell 1 metre.

Thursday: Southerly 15 knots, rising to southwest 25 knots in the afternoon. Sea becoming rough. Southwest swell becoming moderate.

Friday: Southwest 30 knots, easing to southerly 20 knots late. Rough sea easing. Moderate southwest swell.

Saturday: Southeast 20 knots, easing to southerly 10 knots early. Moderate southwest swell easing.

Issued: 12:09pm Tuesday 9 Dec 2025

Stephens

Warning: Nil

Tuesday: Variable 10 knots. Northwest 15 knots developing in the evening. Sea slight. West of Farewell Spit to Hawera: southwest swell 2 metres. Elsewhere: Westerly swell 1 metre.

Wednesday: Westerly 15 knots. Sea slight. West of Farewell Spit to Hawera: long period southwest swell 2 metres easing. Elsewhere: Westerly swell 1 metre easing.

Thursday: Westerly 15 knots, rising to southwest 25 knots west of Farewell Spit to Hawera in the morning. Sea becoming rough in the west. Moderate westerly swell.

Friday: Southwest 25 knots but 35 knots west of Farewell Spit to Hawera. Sea very rough in the west. Moderate westerly swell easing.

Saturday: Becoming southeast 20 knots everywhere early, easing to 10 knots in the morning. Very rough sea in the west easing.

Issued: 12:09pm Tuesday 9 Dec 2025

Cook

Warning: Nil

Tuesday: Northerly 25 knots. Sea rough.

Wednesday: Northerly 25 knots, easing to variable 10 knots in the evening. Rough sea easing.

Thursday: Variable 10 knots. Southerly 15 knots developing early morning. Becoming northerly 15 knots in the afternoon.

Friday: Northwest 20 knots, changing southerly 30 knots early. Easing to southeast 20 knots late. Sea becoming rough for a time. Southerly swell becoming moderate.

Saturday: Southeast 15 knots. Moderate southerly swell easing.

Issued: 12:09pm Tuesday 9 Dec 2025

Castlepoint

Warning: Nil

Tuesday: Northerly 15 knots. Sea slight. Long period southerly swell 1 metre.

Wednesday: Northerly 15 knots, easing to variable 10 knots in the evening. Sea slight. Southeast swell 1 metre.

Thursday: Southerly 10 knots, becoming northerly 10 knots but northwest 20 knots north of Cape Palliser in the afternoon.

Friday: Becoming southwest 30 knots everywhere early, easing to southerly 20 knots late. Sea becoming rough for a time. Moderate southerly swell developing.

Saturday: Southerly 15 knots, easing to variable 10 knots late. Moderate southerly swell easing.

Issued: 12:09pm Tuesday 9 Dec 2025

Portland

Warning: Nil

Tuesday: Variable 10 knots. Northeast 15 knots developing this afternoon. Sea slight. long period northeast swell 2 metres developing north of East cape. Long period southeast swell 1 metre.

Wednesday: Northeast 15 knots. Sea slight. Long period northeast swell 2 metres north of Mahia peninsula. Elsewhere: easterly swell 1 metre.

Thursday: Northeast 10 knots but easterly 20 knots north of East Cape. Becoming northeast 10 knots everywhere in the morning. Moderate northeast swell easing.

Friday: Northerly 10 knots, changing southerly 30 knots early. Sea becoming rough. Moderate southerly swell developing.

Saturday: Southerly 25 knots, easing to 15 knots late. Rough sea easing. Moderate southerly swell.

Issued: 12:09pm Tuesday 9 Dec 2025

Abel

Warning: Nil

Tuesday: Northwest 15 knots. Easing to variable 10 knots south of Separation Point in the evening. Sea slight.

Wednesday: Northwest 15 knots but variable 10 knots south of Separation Point. Easing to variable 10 knots everywhere in the evening. Sea slight.

Thursday: Variable 10 knots, becoming northwest 15 knots in the morning. Turning southwest 20 knots in the evening.

Friday: Southwest 20 knots, changing northerly 15 knots early. Turning easterly 20 knots later.

Saturday: Easterly 15 knots, easing to variable 10 knots early.

Issued: 12:09pm Tuesday 9 Dec 2025

Grey

Warning: Nil

Tuesday: Variable 10 knots. Sea slight. Southwest swell 2 metres. Fair visibility in scattered showers developing late evening.

Wednesday: Variable 10 knots. Southwest 15 knots developing in the afternoon. Sea slight. Long period westerly swell 2 metres. Long period northerly swell 1 metre developing south of Abut Head. Fair visibility in showers south of Hokitika.

Thursday: Southwest 20 knots. Moderate southwest swell.

Friday: Southwest 25 knots, becoming southwest 10 knots but 20 knots south of Abut Head late. Rough sea easing. Moderate southwest swell.

Saturday: Southwest 10 knots but 20 knots south of Abut Head. Becoming northerly 10 knots everywhere early. Moderate southwest swell.

Issued: 12:09pm Tuesday 9 Dec 2025

Milford

Warning: Gale warning

Tuesday: Northerly 25 knots rising to 35 knots south of George Sound in the afternoon. Sea becoming very rough in the south. Southwest swell 2 metres. Long period northwest swell 2 metres developing. Poor visibility in rain.

Wednesday: Northeast 35 knots, becoming southwest 15 knots early morning. Very rough sea easing. Long period southwest swell 2 metres. Long period northwest swell 2 metres. Poor visibility in rain.

Thursday: Southwest 15 knots, turning northwest 15 knots in the morning. Turning southwest 20 knots in the afternoon. Moderate westerly swell.

Friday: Southwest 25 knots. Sea rough. Moderate southwest swell.

Saturday: Southwest 25 knots, easing to 10 knots early. Changing northerly 20 knots later. Rough sea easing. Moderate southwest swell.

Issued: 12:09pm Tuesday 9 Dec 2025

Puysegur

Warning: Storm warning

Tuesday: Northerly 40 knots, rising to 50 knots for a time late afternoon and evening. Sea becoming high for a time. Westerly swell rising to 5 metres. Long period northerly swell 2 metres developing. Poor visibility in rain.

Wednesday: Northwest 45 knots, easing to westerly 20 knots early morning. High sea easing. Long period westerly swell 5 metres easing. Long period northerly swell 2 metres easing. Poor visibility in rain, easing early morning.

Thursday: Northwest 15 knots, rising to 25 knots in the morning. Turning southwest 25 knots in the afternoon. Sea becoming rough. Moderate westerly swell.

Friday: Southwest 25 knots, easing to westerly 15 knots late. Rough sea easing. Moderate westerly swell.

Saturday: Westerly 15 knots, becoming northerly 25 knots later. Sea becoming rough. Moderate southwest swell.

Issued: 12:09pm Tuesday 9 Dec 2025

Foveaux

Warning: Nil

Tuesday: Northerly 20 knots. Sea moderate. Southwest swell rising to 3 metres offshore. Fair visibility in rain developing in the evening.

Wednesday: Northerly 20 knots, turning westerly 25 knots early morning then easing to 15 knots in the evening. Sea becoming rough for a time. Long period southwest swell 3 metres offshore. Poor visibility in morning rain.

Thursday: Northwest 15 knots, becoming southwest 25 knots in the afternoon. Sea becoming rough. Moderate southwest swell.

Friday: Westerly 25 knots. Sea rough. Moderate southwest swell.

Saturday: Westerly 20 knots, easing to 10 knots early. Changing northeast 20 knots later. Moderate southwest swell easing.

Issued: 12:09pm Tuesday 9 Dec 2025

Chalmers

Warning: Nil

Tuesday: Northeast 15 knots, turning northwest 15 knots in the evening. Sea slight. Southwest swell 1 metre. Southeast swell 1 metre. Fair visibility in late evening showers.

Wednesday: Northwest 15 knots, rising to southwest 20 knots in the morning. Easing to variable 10 knots in the evening. Sea becoming moderate for a time. Long period southwest swell 1 metre. Easterly swell 1 metre. Poor visibility in evening showers.

Thursday: Variable 10 knots, becoming northeast 15 knots in the morning. Changing westerly 20 knots in the evening.

Friday: Westerly 20 knots, rising to southwest 30 knots early, easing to 15 knots later. Sea becoming rough for a time. Southwest swell becoming moderate.

Saturday: Westerly 15 knots, changing easterly 10 knots early. Rising to northeast 20 knots late. Moderate southwest swell easing.

Issued: 12:09pm Tuesday 9 Dec 2025

Rangitata

Warning: Nil

Tuesday: Northeast 15 knots, easing to variable 10 knots near shore in the evening. Sea slight. Southwest swell 1 metre easing. Easterly swell 1 metre.

Wednesday: Variable 10 knots. Southerly 20 knots developing by early afternoon, easing to variable 10 knots in the evening. Sea becoming moderate for a time. Easterly swell 1 metre.

Thursday: Easterly 10 knots, rising to northeast 20 knots in the morning. Becoming southwest 20 knots in the evening.

Friday: Southwest 25 knots, becoming northwest 10 knots later. Rough sea easing. Southwest swell becoming moderate.

Saturday: Westerly 10 knots, changing northeast 15 knots later. Moderate southwest swell easing.

Issued: 12:09pm Tuesday 9 Dec 2025

Conway

Warning: Nil

Tuesday: Northerly 15 knots. Sea slight. Southwest swell 1 metre easing. Easterly swell 1 metre.

Wednesday: Northerly 15 knots, becoming westerly 15 knots south of Kaikoura Peninsula for a time in the morning. Becoming southwest 25 knots but southeast 15 knots in the south in the evening. Sea becoming rough in the north. Easterly swell 1 metre.

Thursday: Southerly 20 knots, turning easterly 10 knots early morning, then changing southwest 20 knots in the evening.

Friday: Southwest 25 knots, easing to southerly 10 knots late. Rough sea easing. Southwest swell becoming moderate.

Saturday: Variable 10 knots, becoming northeast 15 knots later. Moderate southerly swell easing.

Issued: 12:09pm Tuesday 9 Dec 2025

Chatham Islands

Warning: Nil

Tuesday: Easterly 15 knots. Sea slight. Southwest swell 1 metre.

Wednesday: Easterly 15 knots, turning northerly 15 knots early morning. Sea slight. Long period southwest swell 1 metre.

Thursday: Northwest 15 knots.

Friday: Northerly 15 knots, becoming westerly 20 knots early. Rising to southwest 30 knots later. Sea becoming rough. Westerly swell becoming moderate.

Saturday: Southwest 25 knots, easing to southerly 15 knots late. Rough sea easing. Moderate southwest swell.

Issued: 12:09pm Tuesday 9 Dec 2025