Coastal Forecasts and Warnings
Warnings
Storm warning in effect for Milford
Gale warning in effect for Cook, Castlepoint, Grey, Puysegur, Chalmers and Conway
The Situation
A low moves quickly southeast across the lower South Island today, while a pair of associated fronts move east across the rest of the country. Tomorrow, a trough moves east across the upper North Island, while a ridge over the South Island weakens.On Tuesday, a weakening front moves east across the South Island, while an active trough to the north of the country is expected to move onto the northern and central North Island. During Wednesday, a low pressure system embedded in the trough should move onto central New Zealand. On Thursday, the trough and embedded low gradually move to the east of the country and a ridge builds from the west.
Issued: 9:01am Sunday 30 Nov 2025
Coastal Forecasts
Plenty
Warning: Nil
Sunday: Westerly 10 knots, turning northerly 15 knots in the morning, then rising to northwest 25 knots in the evening. Sea becoming rough. Northeast swell 1 metre. Poor visibility in rain from afternoon.
Monday: Northwest 25 knots. Sea rough.
Tuesday: Westerly 20 knots, easing to northwest 10 knots early. Rising to northerly 20 knots later.
Wednesday: Northerly 25 knots, rising to northwest 35 knots later. Sea becoming very rough. Northerly swell becoming moderate.
Issued: 3:11am Sunday 30 Nov 2025
Colville
Warning: Nil
Sunday: Variable 10 knots. Northerly 15 knots developing in the morning, then rising to northwest 25 knots in the afternoon. Sea becoming rough. Northeast swell 1 metre. Poor visibility in rain from afternoon. Possible thunderstorms from evening.
Monday: Northwest 25 knots, becoming southwest 15 knots in the afternoon. Rough sea easing.
Tuesday: Southwest 15 knots, becoming northeast 15 knots early. Rising to northerly 25 knots later. Sea becoming rough.
Wednesday: Northwest 30 knots. Sea rough. Northerly swell becoming moderate.
Issued: 3:11am Sunday 30 Nov 2025
Brett
Warning: Nil
Sunday: Northwest 10 knots, rising to 25 knots in the afternoon. Sea becoming rough. Northeast swell 1 metre. Poor visibility in showers developing morning. Possible thunderstorms from afternoon.
Monday: Northwest 25 knots, easing to 15 knots in the afternoon. Rough sea easing.
Tuesday: Westerly 10 knots, changing northeast 15 knots early. Rising to northerly 25 knots later. Sea becoming rough.
Wednesday: Northwest 30 knots. Sea rough. Northerly swell becoming moderate.
Issued: 3:11am Sunday 30 Nov 2025
Kaipara
Warning: Nil
Sunday: Northerly 10 knots rising to 25 knots around midday. Changing westerly 15 knots overnight. Sea becoming rough for a time. Long period southwest swell 2 metres. Poor visibility in showers developing morning. Possible thunderstorms from evening.
Monday: Southwest 20 knots, easing to westerly 10 knots everywhere in the morning. Moderate southwest swell.
Tuesday: Variable 10 knots, becoming northerly 20 knots early. Moderate southwest swell.
Wednesday: Northerly 20 knots, rising to northwest 35 knots early. Turning southwest 30 knots late. Sea becoming very rough for a time. Moderate southwest swell, becoming heavy westerly swell south of Cape Reinga.
Issued: 3:11am Sunday 30 Nov 2025
Raglan
Warning: Nil
Sunday: Northerly 15 knots, rising to 25 knots late morning. Becoming northwest 20 knots but southwest 15 knots south of Kawhia Harbour in the evening. Sea becoming rough for a time. Long period southwest swell 2 metres. Poor visibility in showers developing morning. Possible thunderstorms from afternoon.
Monday: Westerly 20 knots, easing to 10 knots in the morning. Moderate westerly swell.
Tuesday: Westerly 10 knots, becoming northerly 15 knots early. Turning easterly 20 knots late. Moderate westerly swell.
Wednesday: Northeast 20 knots, rising to northerly 35 knots early. Becoming westerly 35 knots later. Sea becoming very rough. Moderate westerly swell.
Issued: 3:11am Sunday 30 Nov 2025
Stephens
Warning: Nil
Sunday: Northwest 15 knots, rising to northerly 30 knots west of Cape Farewell to Hawera in the morning. Becoming northwest 30 knots everywhere in the afternoon. Sea becoming rough for a time. West of Cape Farewell to Hawera: Long period southwest swell rising to 3 metres. Northwest swell 1 metre developing. Elsewhere: Westerly swell 1 metre. Poor visibility in rain from afternoon. Possible afternoon and evening thunderstorms.
Monday: Westerly 25 knots, easing to northwest 15 knots in the afternoon. Rough sea easing. Moderate westerly swell.
Tuesday: Northwest 20 knots, changing easterly 15 knots later. Moderate westerly swell.
Wednesday: Easterly 20 knots, becoming northerly 35 knots early. Sea becoming very rough. Moderate westerly swell dying out.
Issued: 3:11am Sunday 30 Nov 2025
Cook
Warning: Gale warning
Sunday: Northerly 25 knots, rising to northwest 35 knots in the afternoon. Sea becoming very rough. Poor visibility in afternoon rain.
Monday: Northwest 35 knots, easing to 25 knots in the morning. Very rough sea easing.
Tuesday: Northwest 25 knots, easing to northerly 10 knots late. Rough sea easing.
Wednesday: Northeast 10 knots, changing southerly 30 knots early, rising to 40 knots later. Sea becoming very rough. Moderate southerly swell developing.
Issued: 3:11am Sunday 30 Nov 2025
Castlepoint
Warning: Gale warning
Sunday: Northwest 15 knots but northerly 25 knots south of Cape Palliser. Becoming northerly 25 knots everywhere in the afternoon, rising to northwest 35 knots in the south in the evening. Sea becoming very rough in the south. Northeast swell 1 metre, but rising to 2 metres south of Cape Palliser. Poor visibility in rain from afternoon.
Monday: Northerly 25 knots but northwest 35 knots south of Cape Palliser. Becoming 35 knots everywhere early morning, then easing to 20 knots late morning. Becoming westerly 10 knots but northerly 20 knots south of Cape Palliser in the afternoon. Sea becoming very rough for a time. Moderate northerly swell south of Cape Palliser, easing.
Tuesday: Becoming northeast 20 knots but northwest 20 knots south of Cape Palliser early.
Wednesday: Becoming northeast 20 knots everywhere early, becoming southwest 30 knots but northerly 15 knots in the north later. Sea becoming rough in the south. Moderate southwest swell developing.
Issued: 3:11am Sunday 30 Nov 2025
Portland
Warning: Nil
Sunday: Variable 10 knots. Northerly 15 knots developing in the morning, rising to 25 knots in the afternoon. Sea becoming rough. Northeast swell 1 metre. Poor visibility in rain from evening.
Monday: Northwest 20 knots, becoming southeast 20 knots but northwest 25 knots north of Mahia Peninsula in the morning. Sea becoming rough in the north. Moderate northwest swell north of East Cape developing.
Tuesday: Easterly 20 knots but northwest 20 knots north of Mahia Peninsula. Moderate northwest swell north of East Cape, dying out.
Wednesday: Becoming northeast 25 knots but northwest 30 knots north of Mahia Peninsula early. Sea becoming rough. Moderate northwest swell developing north of East Cape.
Issued: 3:11am Sunday 30 Nov 2025
Abel
Warning: Nil
Sunday: Variable 10 knots but westerly 20 knots north of Separation Point. Becoming northerly 20 knots everywhere in the morning, then rising to 30 knots for a time in the afternoon. Changing southwest 15 knots but westerly 25 knots in the north in the evening. Sea becoming rough for a time. Poor visibility in rain from afternoon, clearing late evening. Possible afternoon and evening thunderstorms.
Monday: Westerly 10 knots but 30 knots north of Separation Point. Becoming northwest 30 knots everywhere in the morning. Sea becoming rough everywhere.
Tuesday: Westerly 25 knots, becoming northerly 20 knots early. Rough sea easing.
Wednesday: Changing southeast 25 knots early. Becoming northeast 15 knots in the morning, becoming southwest 15 knots late. Sea becoming rough for a time.
Issued: 3:11am Sunday 30 Nov 2025
Grey
Warning: Gale warning
Sunday: Northerly 25 knots, rising to 35 knots late morning. Turning southwest 35 knots in the afternoon, easing to southwest 25 knots in the evening. Sea becoming very rough for a time. Long period southwest swell rising to 4 metres. Northwest swell 2 metres developing for a time. Poor visibility in heavy rain, developing late morning and easing evening. Possible afternoon thunderstorms.
Monday: Westerly 20 knots, becoming northwest 10 knots but northeast 20 knots south of Cape Foulwind in the afternoon. Heavy westerly swell easing.
Tuesday: Becoming easterly 20 knots but northerly 25 knots south of Cape Foulwind early. Sea becoming rough in the south. Moderate westerly swell.
Wednesday: Becoming southerly 15 knots everywhere early, rising to 25 knots in the morning. Rough sea easing for a time. Moderate southwest swell.
Issued: 3:11am Sunday 30 Nov 2025
Milford
Warning: Storm warning
Sunday: Northeast 35 knots rising to 50 knots late morning. Changing southwest 50 knots late afternoon, then easing to 30 knots in the evening. Sea becoming high for a time. Long period southwest swell 4 metres. Northwest swell 2 metres developing for a time. Poor visibility in heavy rain, easing evening.
Monday: Southwest 25 knots, easing to westerly 10 knots in the morning. Changing northeast 15 knots in the afternoon. Rough sea easing. Heavy westerly swell easing.
Tuesday: Easterly 15 knots, turning southwest 15 knots early. Easing to variable 10 knots later. Moderate westerly swell.
Wednesday: Southerly 10 knots, rising to southwest 35 knots early. Sea becoming very rough. Moderate southwest swell.
Issued: 3:11am Sunday 30 Nov 2025
Puysegur
Warning: Gale warning
Sunday: Northwest 25 knots, changing southwest 25 knots but 35 knots west of West Cape late morning. Becoming southerly 20 knots everywhere in the evening. Sea becoming very rough for a time. Long period southwest swell 4 metres, easing. Northwest swell 1 metre developing. Poor visibility in heavy rain, easing evening.
Monday: Southwest 20 knots, turning northwest 15 knots in the morning. Moderate southwest swell.
Tuesday: Westerly 10 knots. Moderate southwest swell.
Wednesday: Southwest 10 knots, rising to southerly 25 knots early. Becoming westerly 10 knots late. Sea becoming rough for a time. Moderate southwest swell easing.
Issued: 3:11am Sunday 30 Nov 2025
Foveaux
Warning: Nil
Sunday: Northerly 15 knots, turning southeast 20 knots in the morning, then rising to southerly 30 knots late afternoon. Sea becoming rough. Long period southwest swell 3 metres offshore easing. Poor visibility in rain.
Monday: Southwest 25 knots, easing to westerly 15 knots in the morning. Rough sea easing. Moderate southwest swell.
Tuesday: Northwest 10 knots. Moderate southwest swell easing.
Wednesday: Variable 10 knots, becoming southeast 15 knots early.
Issued: 3:11am Sunday 30 Nov 2025
Chalmers
Warning: Gale warning
Sunday: Northeast rising to 15 knots in the morning, then to 25 knots in the afternoon. Changing southwest 35 knots late evening. Sea becoming very rough. Long period southwest swell 1 metre. Northeast swell rising to 2 metres. Poor visibility in rain from afternoon.
Monday: Southwest 30 knots, easing to 20 knots in the morning. Changing northerly 10 knots in the afternoon. Rough sea easing. Moderate northeast swell easing.
Tuesday: Northeast 15 knots, turning southeast 15 knots later. Southeast swell becoming moderate.
Wednesday: Southeast 10 knots, rising to southerly 20 knots early. Moderate southerly swell easing.
Issued: 3:11am Sunday 30 Nov 2025
Rangitata
Warning: Nil
Sunday: Northwest 15 knots, becoming northeast 20 knots in the morning, then rising to 30 knots in the afternoon. Becoming southwest 30 knots late evening. Sea becoming rough. Northeast swell rising to 2 metres. Fair visibility in rain from afternoon.
Monday: Southwest rising to 35 knots early morning, then easing to southerly 15 knots late morning. Turning easterly 15 knots in the afternoon. Sea becoming very rough for a time. Moderate northeast swell easing.
Tuesday: Easterly 15 knots, turning southerly 15 knots later.
Wednesday: Southerly 20 knots, rising to 30 knots later. Sea becoming rough.
Issued: 3:11am Sunday 30 Nov 2025
Conway
Warning: Gale warning
Sunday: Northerly 15 knots, rising to 30 knots north of Kaikoura Peninsula in the morning. Becoming northerly 35 knots everywhere in the afternoon, then easing to northwest 25 knots late evening. Sea becoming very rough for a time. Northeast swell rising to 2 metres. Fair visibility in afternoon and evening rain.
Monday: Westerly 20 knots, turning southerly 15 knots in the morning. Turning easterly 15 knots in the afternoon. Moderate northeast swell easing.
Tuesday: Northeast 10 knots, becoming northerly 15 knots but 25 knots north of Kaikoura Peninsula early. Sea becoming rough in the north.
Wednesday: Becoming northwest 20 knots everywhere early, becoming southwest 35 knots later. Sea becoming very rough. Southerly swell becoming moderate.
Issued: 3:11am Sunday 30 Nov 2025
Chatham Islands
Warning: Nil
Sunday: Variable 10 knots. Northerly 20 knots developing in the afternoon. Sea becoming moderate. Long period southwest swell rising to 2 metres. Northeast swell 1 metre. Poor visibility in patchy morning drizzle. Areas of morning fog possible.
Monday: Northerly 25 knots, becoming westerly 15 knots in the afternoon. Rough sea easing. Moderate southwest swell easing. Moderate northwest swell developing.
Tuesday: Southwest 10 knots. Moderate westerly swell.
Wednesday: Changing northeast 15 knots early, rising to 25 knots in the morning. Sea becoming rough. Moderate westerly swell easing.
Issued: 3:11am Sunday 30 Nov 2025
Auckland VHF Warning
No Warnings In Effect