Coastal Forecasts

Plenty

Warning: Gale warning

Wednesday: Easterly 25 knots but 35 knots offshore. Rising to 40 knots everywhere in the afternoon. Sea becoming very rough. Easterly swell 2 metres. Poor visibility in rain.

Thursday: Northeast 40 knots, easing to 25 knots in the morning. Becoming westerly 25 knots in the afternoon. Very rough sea easing. Northeast swell becoming heavy for a time.

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

Saturday: Southwest 30 knots. Sea rough. Moderate northerly swell easing.

Issued: 10:44pm Tuesday 20 Jan 2026

Colville

Warning: Gale warning

Wednesday: Easterly 35 knots, easing to 25 knots in the morning. Turning northerly 25 knots in the evening. Very rough sea easing. Easterly swell rising to 3 metres. Poor visibility in rain.

Thursday: Northeast 25 knots, becoming westerly 25 knots in the morning. Sea rough. Moderate northeast swell.

Friday: Southwest 25 knots. Sea rough. Moderate northerly swell easing.

Saturday: Southwest 30 knots. Sea rough.

Issued: 10:44pm Tuesday 20 Jan 2026

Brett

Warning: Gale warning

Wednesday: Easterly 25 knots, rising to northerly 25 knots early evening, then to 35 knots late evening. Sea becoming very rough. Easterly swell 2 metres. Poor visibility in rain.

Thursday: Northerly 25 knots, becoming westerly 25 knots in the morning. Sea rough. Moderate northerly swell.

Friday: Westerly 20 knots. Moderate northerly swell easing.

Saturday: Southwest 25 knots. Sea rough.

Issued: 10:44pm Tuesday 20 Jan 2026

Kaipara

Warning: Nil

Wednesday: Northeast 20 knots, turning westerly 15 knots north of Cape Reinga late evening. Moderate sea easing. Easterly swell 2 metres north of Cape Reinga. Southwest swell 1 metre. Poor visibility in rain at times.

Thursday: Westerly 20 knots but easterly 10 knots south of Cape Reinga. Rising to westerly 25 knots everywhere in the morning. Sea becoming rough. Moderate northwest swell developing. Moderate easterly swell easing.

Friday: Southwest 20 knots. Moderate westerly swell.

Saturday: Southwest 20 knots, rising to 30 knots for a time in the morning. Sea becoming rough for a time. Southwest swell becoming heavy.

Issued: 10:44pm Tuesday 20 Jan 2026

Raglan

Warning: Nil

Wednesday: Northeast 30 knots. Sea rough. Southwest swell 1 metre. Poor visibility in showers.

Thursday: Easterly 25 knots, becoming westerly 25 knots in the morning. Sea rough. Northwest swell becoming moderate.

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

Saturday: Southwest 30 knots. Sea rough. Westerly swell becoming heavy.

Issued: 10:44pm Tuesday 20 Jan 2026

Stephens

Warning: Gale warning

Wednesday: Southeast 40 knots but 25 knots east of Hawera to Stephens Island. Becoming easterly 35 knots everywhere in the evening. Sea becoming very rough everywhere. West of Farewell Spit to Hawera: Southeast swell 3 metres easing. Southwest swell 1 metre. Poor visibility in showers.

Thursday: Easterly 35 knots, changing westerly 15 knots in the morning, rising to 25 knots in the afternoon. Very rough sea easing. Moderate westerly swell developing.

Friday: Westerly 25 knots, rising to southwest 35 knots later. Sea becoming very rough. Westerly swell becoming heavy.

Saturday: Southwest 35 knots. Sea very rough. Heavy westerly swell.

Issued: 10:44pm Tuesday 20 Jan 2026

Cook

Warning: Nil

Wednesday: Southeast 20 knots. Sea moderate. Southerly swell 1 metre. Poor visibility in showers.

Thursday: Southeast 15 knots, easing to variable 10 knots in the morning. Becoming northerly 15 knots in the afternoon.

Friday: Northwest 20 knots, changing southerly 25 knots later. Sea becoming rough.

Saturday: Southerly 30 knots, easing to 20 knots early. Changing northwest 25 knots later. Rough sea easing for a time. Moderate southerly swell developing.

Issued: 10:44pm Tuesday 20 Jan 2026

Castlepoint

Warning: Nil

Wednesday: Easterly 20 knots, rising to northeast 30 knots in the evening. Sea becoming rough. Long period southwest swell rising to 2 metres. Easterly swell 1 metre. Poor visibility in evening rain.

Thursday: Northeast 30 knots, easing to 20 knots in the afternoon. Rough sea easing. Heavy northeast swell easing.

Friday: Changing westerly 15 knots early. Turning southerly 20 knots later. Moderate northeast swell.

Saturday: Southwest 25 knots, turning northwest 20 knots later. Rough sea easing. Moderate northeast swell dying out. Moderate southwest swell developing.

Issued: 10:44pm Tuesday 20 Jan 2026

Portland

Warning: Gale warning

Wednesday: Easterly 15 knots but 25 knots north of East Cape, rising to northeast 25 knots everywhere in the afternoon, then to 35 knots in the north in the evening. Sea becoming very rough in the north. Easterly swell 2 metres. Long period southwest swell rising to 2 metres. Poor visibility in evening rain.

Thursday: Northeast 35 knots, becoming westerly 15 knots but 30 knots north of East Cape in the afternoon. Very rough sea easing. Northeast swell becoming heavy for a time.

Friday: Westerly 20 knots but 30 knots north of East Cape. Sea rough in the north. Moderate northeast swell, becoming moderate northwest swell north of East Cape.

Saturday: Southwest 25 knots but westerly 35 knots north of East Cape. Sea very rough in the north. South of East Cape: Moderate northeast swell dying out. Moderate southwest swell developing. North of East Cape: Moderate northwest swell.

Issued: 10:44pm Tuesday 20 Jan 2026

Abel

Warning: Nil

Wednesday: Southeast 30 knots but 20 knots south of Separation Point. Sea rough in the north. Poor visibility in rain.

Thursday: Southeast 25 knots, easing to southerly 10 knots in the morning. Becoming westerly 10 knots but 20 knots north of Separation Point in the afternoon. Rough sea easing.

Friday: Westerly 15 knots but 25 knots north of Separation Point. Sea rough in the north.

Saturday: Becoming westerly 15 knots but 25 knots north of Separation Point early. Sea rough in the north.

Issued: 10:43pm Tuesday 20 Jan 2026

Grey

Warning: Nil

Wednesday: Variable 10 knots but easterly 20 knots about and north of the Grey River, becoming northeast 20 knots everywhere in the morning. Sea becoming moderate everywhere. Long period southwest swell 2 metres offshore. Poor visibility in rain.

Thursday: Easterly 15 knots. Becoming westerly 15 knots but southwest 25 knots offshore in the afternoon. Sea becoming rough offshore. Moderate westerly swell.

Friday: Becoming southwest 35 knots but 45 knots south of Abut Head early. Sea becoming high in the south. Westerly swell becoming heavy.

Saturday: Becoming southwest 40 knots everywhere early. High sea in the south easing. Heavy southwest swell.

Issued: 10:43pm Tuesday 20 Jan 2026

Milford

Warning: Nil

Wednesday: Variable 10 knots Northeast 15 knots developing for a time in the morning. Becoming easterly 15 knots but southerly 15 knots south of Secretary Island in the evening. Sea slight. Long period southwest swell 2 metres. Fair visibility in showers.

Thursday: easterly 15 knots but southerly 15 knots south of Secretary Island. Becoming southwest 15 knots everywhere in the morning, then rising to southwest 30 knots in the afternoon. Sea becoming rough. Moderate southwest swell.

Friday: Southwest 30 knots, rising to 40 knots for a time in the morning. Sea becoming very rough for a time. Southwest swell becoming heavy.

Saturday: Southwest 35 knots. Sea very rough. Heavy southwest swell.

Issued: 10:43pm Tuesday 20 Jan 2026

Puysegur

Warning: Nil

Wednesday: Easterly 20 knots but variable 10 knots north of West Cape. Becoming variable 10 knots everywhere in the afternoon. Moderate sea easing. Very long period southwest swell 2 metres.

Thursday: Southwest 10 knots, rising to 20 knots in the morning. Moderate southwest swell.

Friday: Southwest 20 knots, rising to 30 knots early. Sea becoming rough. Southwest swell becoming heavy.

Saturday: Southwest 35 knots. Sea very rough. Heavy southwest swell.

Issued: 10:43pm Tuesday 20 Jan 2026

Foveaux

Warning: Nil

Wednesday: Easterly 20 knots, rising to northeast 30 knots east of Slope Point to Shelter Point in the afternoon, then turning southwest 15 knots in the west in the evening. Sea becoming rough in the east. Long period southwest swell 2 metres. Northeast swell 1 developing.

Thursday: Northeast 30 knots but variable 10 knots west of Slope Point to Shelter Point. Becoming southwest 20 knots everywhere in the afternoon. Rough sea easing. Northeast swell becoming moderate for a time. Moderate southwest swell.

Friday: Southwest 20 knots, rising to 30 knots early. Sea becoming rough. Heavy southwest swell developing.

Saturday: Southwest 30 knots, rising to 40 knots early. Easing to southerly 25 knots later. Sea becoming very rough for a time. Heavy southwest swell.

Issued: 10:43pm Tuesday 20 Jan 2026

Chalmers

Warning: Nil

Wednesday: Northeast 20 knots rising to 30 knots in the morning. Sea becoming rough. Long period southwest swell 2 metres. Northeast swell 1 developing. Fair visibility in rain for late afternoon.

Thursday: Northeast 30 knots, easing to 20 knots in the morning. Changing southwest 25 knots in the evening. Rough sea easing for a time. Moderate easterly swell.

Friday: Southwest 25 knots, rising to 35 knots early. Sea becoming very rough. Moderate easterly swell.

Saturday: Westerly 35 knots, becoming southerly 25 knots late. Very rough sea easing. Moderate easterly swell dying out. Heavy southwest swell developing.

Issued: 10:43pm Tuesday 20 Jan 2026

Rangitata

Warning: Nil

Wednesday: Northeast 15 knots, rising to 25 knots in the afternoon. Sea becoming rough. Long period southwest swell 2 metres. Northeast swell 1 metre developing. Poor visibility in rain from afternoon.

Thursday: Northeast 25 knots, easing to variable 10 knots inshore in the morning. Becoming southwest 20 knots everywhere in the evening. Rough sea easing. Moderate northeast swell. Moderate southwest swell.

Friday: Southwest 20 knots, rising to 30 knots early. Sea becoming rough. Moderate easterly swell.

Saturday: Southwest 30 knots. Sea rough. Moderate southeast swell dying out. Moderate southwest swell developing.

Issued: 10:43pm Tuesday 20 Jan 2026

Conway

Warning: Nil

Wednesday: Northeast 15 knots, rising to 25 knots in the evening. Sea becoming rough. Long period southwest swell rising to 2 metres. Northeast swell 1 metre developing. Poor visibility in periods of rain.

Thursday: Northeast 30 knots, becoming northwest 10 knots in the afternoon. Rough sea easing. Moderate easterly swell.

Friday: Westerly 15 knots, becoming southerly 25 knots early. Sea becoming rough. Moderate easterly swell.

Saturday: Southwest 25 knots, easing to 15 knots early. Turning northwest 15 knots later. Rough sea easing. Moderate southeast swell dying out. Moderate southwest swell developing.

Issued: 10:43pm Tuesday 20 Jan 2026

Chatham Islands

Warning: Nil

Wednesday: Southeast 15 knots, turning northeast 15 knots in the afternoon. Sea slight. Long period southwest swell 3 metres. Fair visibility in showers.

Thursday: Northeast 15 knots, rising to 25 knots in the morning. Sea becoming rough. Moderate southerly swell dying out. Moderate northeast swell developing.

Friday: Northeast 25 knots, rising to 35 knots early, easing to 20 knots late. Sea becoming very rough for a time. Northerly swell becoming heavy for a time.

Saturday: Northerly 15 knots, changing southwest 25 knots later. Sea becoming rough. Moderate northeast swell.

Issued: 10:43pm Tuesday 20 Jan 2026