Coastal Forecasts

Plenty

Warning: Nil

Thursday: Southwest 25 knots. Sea rough. Northerly swell 2 metres easing.

Friday: Southwest 20 knots. Sea moderate. Northerly swell 1 metre dying out.

Saturday: Westerly 15 knots.

Sunday: Southwest 15 knots, turning northwest 10 knots early.

Monday: Northwest 10 knots.

Issued: 11:12am Thursday 4 Dec 2025

Colville

Warning: Nil

Thursday: Southwest 25 knots. Sea rough. Northerly swell 2 metres easing.

Friday: Southwest 20 knots. Sea moderate. Northerly swell 1 metre dying out.

Saturday: Southwest 15 knots.

Sunday: Southwest 15 knots, turning northwest 10 knots later.

Monday: Northerly 10 knots.

Issued: 11:12am Thursday 4 Dec 2025

Brett

Warning: Nil

Thursday: Southwest 25 knots. Sea rough. Northerly swell 2 metres easing. Poor visibility in afternoon showers.

Friday: Southwest 20 knots easing to 10 knots late evening. Moderate sea easing. Northerly swell 1 metre dying out.

Saturday: Southwest 15 knots.

Sunday: Southerly 10 knots.

Monday: Variable 10 knots.

Issued: 11:12am Thursday 4 Dec 2025

Kaipara

Warning: Nil

Thursday: Southwest 25 knots. Sea rough. Southwest swell 4 metres easing. Northwest swell 1 metre. Poor visibility in afternoon showers.

Friday: Southwest 20 knots, easing to 10 knots late evening. Moderate sea easing. Southwest swell 3 metres easing. Northwest swell 1 metre dying out. Fair visibility in morning showers.

Saturday: Southwest 10 knots.

Sunday: Variable 10 knots. Southwest swell becoming moderate.

Monday: Northeast 10 knots. Moderate southwest swell, dying out south of Cape Reinga.

Issued: 11:12am Thursday 4 Dec 2025

Raglan

Warning: Nil

Thursday: Southwest 25 knots. Sea rough. Southwest swell 3 metres. Northwest swell 1 metre. Fair visibility in showers.

Friday: Southwest 25 knots, easing to westerly 15 knots in the morning. Rough sea easing. Southwest swell 3 metres easing. Northwest swell 1 metre dying out. Fair visibility in morning showers.

Saturday: Westerly 15 knots. Southwest swell becoming moderate.

Sunday: Westerly 10 knots. Moderate southwest swell.

Monday: Variable 10 knots. Moderate southwest swell.

Issued: 11:12am Thursday 4 Dec 2025

Stephens

Warning: Nil

Thursday: Southwest 20 knots but southerly 30 knots east of Cape Farewell to Hawera. Becoming southwest 30 knots but variable 10 knots in the east in the afternoon. Sea becoming rough for a time. West of Farewell Spit to Hawera: Southwest swell 3 metres. Elsewhere: Southerly swell 2 metres easing. Westerly swell rising to 2 metres.

Friday: Westerly 25 knots but westerly 10 knots in the east. Becoming westerly 25 knots everywhere in the morning. Sea becoming rough everywhere. West of Farewell Spit to Hawera: Southwest swell 3 metres easing. Elsewhere: Southerly swell 1 metre dying out. Westerly swell 2 metres.

Saturday: Westerly 20 knots, becoming westerly 10 knots but northwest 20 knots east of Farewell Spit to Hawera in the evening. Moderate westerly swell, easing.

Sunday: Northwest 15 knots but 25 knots east of Farewell Spit to Hawera. Sea rough in the east. Westerly swell becoming moderate.

Monday: Becoming northwest 15 knots everywhere early. Rough sea in the east, easing. Moderate westerly swell easing.

Issued: 11:12am Thursday 4 Dec 2025

Cook

Warning: Gale warning

Thursday: Southerly 30 knots easing to 20 knots early afternoon. Becoming variable 10 knots late afternoon. Rough sea easing. Southerly swell 3 metres easing.

Friday: Variable 10 knots. Northerly 25 knots developing in the morning, rising to 35 knots in the afternoon. Sea becoming very rough. Southerly swell 2 metres easing.

Saturday: Northwest 35 knots, easing to 25 knots in the morning. Very rough sea easing.

Sunday: Northwest 20 knots, rising to 30 knots early. Sea becoming rough.

Monday: Northwest 25 knots, easing to 15 knots later. Rough sea easing.

Issued: 11:12am Thursday 4 Dec 2025

Castlepoint

Warning: Gale warning

Thursday: Southwest 35 knots, easing to 25 knots in the afternoon, then to 15 knots in the evening. Very rough sea easing. Southerly swell 4 metres easing. Poor visibility in morning rain.

Friday: Southwest 15 knots, turning northwest 15 knots in the morning, rising to 25 knots in the afternoon, and to 35 knots late evening. Sea becoming very rough. Southerly swell 2 metres easing, but 3 metres easing north of Cape Palliser.

Saturday: Northwest 35 knots, easing to westerly 25 knots early morning. Changing northeast 20 knots late morning. Becoming northwest 15 knots in the evening. Very rough sea easing. Southerly swell becoming moderate.

Sunday: Northwest 15 knots, rising to 25 knots early. Sea becoming rough. Moderate southwest swell easing.

Monday: Northwest 25 knots, easing to 15 knots later. Rough sea easing.

Issued: 11:12am Thursday 4 Dec 2025

Portland

Warning: Gale warning

Thursday: Southwest 40 knots, but 30 knots north of East Cape. Easing to southwest 30 knots everywhere in the afternoon, and to 20 knots in the evening. Very rough sea easing. Northeast swell 2 metres easing. Southwest swell 5 metres easing.

Friday: Southwest 15 knots, easing to variable 10 knots about midday. Northerly 15 knots developing in the evening. Sea slight. Northeast swell 1 metres dying out. Southwest swell 4 metres easing.

Saturday: Northwest 10 knots, rising to westerly 20 knots in the morning. Easing to variable 10 knots in the afternoon. Moderate southerly swell easing.

Sunday: Northerly 10 knots.

Monday: Becoming northeast 10 knots but northwest 20 knots north of Mahia Peninsula early.

Issued: 11:12am Thursday 4 Dec 2025

Abel

Warning: Nil

Thursday: Variable 10 knots. Becoming northeast 15 knots but westerly 20 knots north of Separation Point developing in the afternoon. Turning southerly 15 knots in the south in the afternoon. Sea becoming moderate in the north.

Friday: Southerly 15 knots but westerly 25 knots north of Separation Point. Turning westerly 15 knots in the south in the afternoon, then easing to variable 10 knots in the south in the evening. Sea rough in the north.

Saturday: Northwest 10 knots but 20 knots north of Separation Point. Rising to westerly 25 knots everywhere in the morning, easing to 10 knots in the evening. Sea becoming rough for a time.

Sunday: Northwest 10 knots, rising to 20 knots early.

Monday: Northwest 20 knots, easing to 10 knots late.

Issued: 11:12am Thursday 4 Dec 2025

Grey

Warning: Nil

Thursday: Southwest 25 knots, easing to 15 knots in the evening. Rough sea easing. Southwest swell 2 metres. Fair visibility in evening showers.

Friday: Southwest 15 knots, turning northerly 15 knots in the morning, then turning westerly 15 knots in the evening. Sea slight. Long period southwest swell 2 metres. Fair visibility in showers.

Saturday: Westerly 15 knots, easing to variable 10 knots in the morning. Becoming northwest 15 knots but northeast 20 knots south of Abut Head in the afternoon. Moderate westerly swell.

Sunday: Becoming northerly 20 knots everywhere early. Moderate westerly swell.

Monday: Northwest 20 knots, becoming southwest 10 knots but northerly 20 knots north of Cape Foulwind later. Moderate westerly swell.

Issued: 11:12am Thursday 4 Dec 2025

Milford

Warning: Nil

Thursday: Southwest 15 knots. Turning northwest 15 knots in the evening. Sea slight. Long period southwest swell rising to 2 metres. Poor visibility in showers.

Friday: Northerly 15 knots, rising to 30 knots in the morning. Becoming westerly 15 knots in the afternoon. Sea becoming rough for a time. Long period southwest swell rising to 3 metres. Poor visibility in rain, clearing afternoon.

Saturday: Westerly 10 knots, changing northeast 20 knots in the morning, rising to 30 knots in the afternoon. Sea becoming rough. Moderate westerly swell.

Sunday: Northerly 30 knots, changing southwest 15 knots late. Rough sea easing. Moderate southwest swell dying out. Moderate northwest swell developing.

Monday: Southwest 20 knots, easing to westerly 10 knots early. Moderate northwest swell dying out. Moderate southwest swell developing.

Issued: 11:12am Thursday 4 Dec 2025

Puysegur

Warning: Gale warning

Thursday: Northwest 20 knots, rising to 30 knots in the evening. Sea becoming rough. Long period southwest swell rising to 2 metres. Poor visibility in afternoon showers.

Friday: Northwest 30 knots, rising to northerly 40 knots in the morning. Turning westerly 25 knots but 35 knots south of West Cape about midday. Sea becoming very rough for a time. Long period southwest swell rising to 4 metres. Poor visibility in showers, developing morning.

Saturday: Westerly 30 knots, easing to northwest 20 knots in the morning. Rising to northerly 30 knots in the afternoon. Rough sea easing for a time. Heavy westerly swell easing.

Sunday: Northwest 35 knots, easing to westerly 20 knots later. Very rough sea easing. Moderate southwest swell dying out. Moderate northwest swell developing.

Monday: Northwest 25 knots. Sea rough. Moderate northwest swell dying out. Moderate southwest swell developing.

Issued: 11:12am Thursday 4 Dec 2025

Foveaux

Warning: Gale warning

Thursday: Northwest 15 knots, rising to westerly 25 knots for a time in the afternoon and evening. Sea becoming rough in the west. Long period southwest swell 1 metre. Fair visibility in afternoon showers.

Friday: Northwest 15 knots, rising to 25 knots early morning, and to westerly 35 knots late morning. Sea becoming very rough. Long period southwest swell rising to 4 metres. Poor visibility in showers, developing afternoon.

Saturday: Westerly 35 knots, easing to 20 knots in the morning. Becoming northeast 20 knots in the afternoon. Very rough sea easing. Moderate southwest swell.

Sunday: Northerly 25 knots, becoming westerly 20 knots later. Rough sea easing. Moderate southwest swell easing.

Monday: Westerly 20 knots, becoming northerly 15 knots east of Slope Point to Shelter Point later. Southwest swell becoming moderate.

Issued: 11:12am Thursday 4 Dec 2025

Chalmers

Warning: Gale warning

Thursday: Variable 10 knots. Northerly 15 knots developing in the evening. Sea slight. Southwest swell 1 metre dying out. Southeast swell 1 metre. Fair visibility in showers.

Friday: Northerly rising to 25 knots in the morning. Changing southwest 35 knots in the afternoon, then easing to westerly 25 knots in the evening. Sea becoming very rough for a time in the afternoon. Southwest swell 2 metres developing. Easterly swell 1 metre dying out. Poor visibility in afternoon rain.

Saturday: Westerly 25 knots, becoming southerly 10 knots in the morning. Changing northeast 20 knots in the afternoon. Rough sea easing. Moderate southwest swell.

Sunday: Northerly 25 knots, changing southwest 20 knots late. Rough sea easing. Moderate southwest swell dying out.

Monday: Southwest 20 knots, changing easterly 10 knots early. Rising to northeast 20 knots later.

Issued: 11:12am Thursday 4 Dec 2025

Rangitata

Warning: Gale warning

Thursday: Variable 10 knots but southerly 15 knots east of Lake Ellesmere. Becoming variable 10 knots everywhere this afternoon. Sea slight. Southwest swell 1 metre dying out. Southeast swell 1 metre. Fair visibility in evening showers.

Friday: Variable 10 knots, Northerly 20 knots developing in the morning. Becoming northwest 35 knots in the afternoon, then changing southeast 15 knots in the evening. Sea becoming very rough for a time. Southwest swell 1 metre developing. Easterly swell 1 metre dying out.

Saturday: Northeast 15 knots. Becoming easterly 25 knots for a time in the afternoon. Sea becoming rough for a time. Southwest swell becoming moderate.

Sunday: Northerly 15 knots, rising to 25 knots early. Sea becoming rough. Moderate southwest swell easing.

Monday: Northerly 25 knots, changing southerly 20 knots early. Turning northeast 15 knots later. Rough sea easing.

Issued: 11:12am Thursday 4 Dec 2025

Conway

Warning: Nil

Thursday: Southerly 15 knots but 30 knots north of Kaikoura Peninsula. Easing to variable 10 knots everywhere in the afternoon. Sea becoming rough for a time. Southeast swell 2 metres.

Friday: Variable 10 knots. Northerly 15 knots developing in the morning. Becoming westerly 25 knots south of Kaikoura Peninsula in the afternoon. Northerly rising to 30 knots in the north in the evening. Sea becoming rough. Southerly swell 2 metres easing.

Saturday: Westerly 20 knots but northerly 25 knots north of Kaikoura Peninsula. Becoming northeast 15 knots everywhere in the morning. Sea becoming rough in the north for a time.

Sunday: Northerly 15 knots, becoming northerly 20 knots but 30 knots north of Kaikoura Peninsula later. Sea becoming rough in the north.

Monday: Northerly 20 knots but 30 knots north of Kaikoura Peninsula. Sea rough in the north.

Issued: 11:12am Thursday 4 Dec 2025

Chatham Islands

Warning: Storm warning

Thursday: Northerly 20 knots, changing southwest 50 knots in the evening. Sea becoming high. Northerly swell 2 metres easing. Southwest swell rising to 5 metres. Poor visibility in heavy rain.

Friday: Southwest 50 knots, easing to 30 knots in the morning, and to 20 knots in the afternoon. Turning northwest 20 knots in the evening. High sea easing. Northerly swell 1 metre dying out. Southwest swell 5 metres easing. Poor visibility in early morning rain.

Saturday: Westerly 20 knots. Moderate southerly swell.

Sunday: Northwest 20 knots. Moderate southwest swell.

Monday: Northwest 20 knots, easing to westerly 10 knots late. Moderate southwest swell.

Issued: 11:12am Thursday 4 Dec 2025