Coastal Forecasts and Warnings
Warnings
Gale warning in effect for Foveaux, Chalmers and Chatham Islands
The Situation
An unsettled southwest flow prevails over Aotearoa/New Zealand today. On Monday, a ridge of high pressure moves onto the country from the Tasman Sea.On Tuesday, a ridge remains positioned over northern New Zealand, while a front, preceded by a moist northwest flow, moves onto the southern South Island. On Wednesday, a low is forecast to develop along the front as it slowly moves northward across southern New Zealand. At the same time, the ridge over northern New Zealand shifts eastward. By Thursday, the front and its associated low continue tracking north, while a southwest flow develops behind. A brief secondary front is also expected to move onto the southern South Island before quickly exiting to the east.
Issued: 8:17pm Saturday 12 Sep 2026
Coastal Forecasts
Plenty
Warning: Nil
Sunday: Southwest 25 knots, becoming easterly 15 knots east of Motiti Island in the evening. Rough sea easing in the east. Fair visibility in evening showers in the east.
Monday: Southwest 20 knots but easterly 15 knots east of Motiti Island, easing to variable 10 knots early morning.
Tuesday: Variable 10 knots.
Wednesday: Variable 10 knots.
Issued: 3:11am Sunday 13 Sep 2026
Colville
Warning: Nil
Sunday: Southwest 20 knots. Sea moderate.
Monday: Southwest 15 knots, easing to variable 10 knots early.
Tuesday: Variable 10 knots.
Wednesday: Variable 10 knots.
Issued: 3:11am Sunday 13 Sep 2026
Brett
Warning: Nil
Sunday: Southwest 15 knots. Sea slight.
Monday: Variable 10 knots.
Tuesday: Variable 10 knots.
Wednesday: Variable 10 knots.
Issued: 3:11am Sunday 13 Sep 2026
Kaipara
Warning: Nil
Sunday: Southwest 20 knots. Sea moderate. Long period southwest swell 5 metres easing.
Monday: Variable 10 knots. Heavy southwest swell easing.
Tuesday: Variable 10 knots. Moderate southwest swell easing.
Wednesday: Variable 10 knots, becoming northwest 15 knots later.
Issued: 3:11am Sunday 13 Sep 2026
Raglan
Warning: Nil
Sunday: Southwest 20 knots. Sea moderate. Long period southwest swell 5 metres easing. Fair visibility in showers inshore, clearing about midday.
Monday: Southwest 15 knots. Heavy southwest swell easing.
Tuesday: Southwest 10 knots. Moderate southwest swell easing.
Wednesday: Variable 10 knots, becoming northerly 15 knots later.
Issued: 3:11am Sunday 13 Sep 2026
Stephens
Warning: Nil
Sunday: Westerly 30 knots, becoming southwest 25 knots but 15 knots east of Farewell Spit to Hawera in the morning. Easing to variable 10 knots in the east in the afternoon. Rough sea easing. West of Hawera to Farewell Spit: Long period southwest swell 5 metres easing. Elsewhere: Westerly swell 2 metres.
Monday: Southwest 20 knots but variable 10 knots east of Farewell Spit to Hawera. Moderate westerly swell.
Tuesday: West of Farewell Spit to Hawera: Becoming southwest 20 knots early. Elsewhere: Becoming variable 10 knots early, then becoming northwest 20 knots in the morning and rising to 30 knots later. Sea becoming rough in the east. Moderate westerly swell easing.
Wednesday: Northwest 30 knots but westerly 20 knots west of Farewell Spit to Hawera, becoming northwest 15 knots everywhere early. Rough sea in the east, easing.
Issued: 3:11am Sunday 13 Sep 2026
Cook
Warning: Nil
Sunday: Variable 10 knots. Becoming southerly 20 knots in the morning then easing to variable 10 knots in the afternoon. Sea becoming moderate for a time. Long period southerly swell 3 metres easing.
Monday: Variable 10 knots, becoming northerly 15 knots later. Moderate southerly swell easing.
Tuesday: Northerly 20 knots, rising to 30 knots south of Cape Terawhiti early. Sea becoming rough in the south.
Wednesday: Becoming northwest 25 knots early, then rising to 35 knots south of Cape Terawhiti in the morning. Becoming northwest 25 knots everywhere later. Sea becoming very rough in the south for a time.
Issued: 3:11am Sunday 13 Sep 2026
Castlepoint
Warning: Nil
Sunday: Westerly 20 knots, rising to southerly 25 knots in the morning, then becoming southwest 20 knots but variable 10 knots south of Cape Palliser in the afternoon. Easing to variable 10 knots everywhere in the evening. Sea becoming rough for a time. Long period southwest swell 4 metres easing.
Monday: Variable 10 knots. Moderate southerly swell.
Tuesday: Variable 10 knots, becoming northerly 15 knots later. Moderate southerly swell easing.
Wednesday: South of Cape Palliser: Northwest 15 knots. Elsewhere: Northwest 15 knots, easing to variable 10 knots for a time.
Issued: 3:11am Sunday 13 Sep 2026
Portland
Warning: Nil
Sunday: Westerly 20 knots, becoming southerly 20 knots about midday. Sea moderate. South of east Cape: southwest swell 4 metres easing. Elsewhere: southwest swell rising to 3 metres for a time.
Monday: Variable 10 knots. Moderate southerly swell.
Tuesday: Variable 10 knots, becoming northerly 20 knots south of East Cape early. Becoming variable 10 knots everywhere late. Moderate southerly swell.
Wednesday: Variable 10 knots, becoming northwest 20 knots north of Mahia Peninsula later. Moderate southerly swell, dying out north of East Cape.
Issued: 3:11am Sunday 13 Sep 2026
Abel
Warning: Nil
Sunday: Westerly 15 knots. Easing to variable 10 knots early evening. Sea slight.
Monday: Variable 10 knots.
Tuesday: Variable 10 knots, becoming westerly 20 knots north of Separation Point later.
Wednesday: Variable 10 knots but westerly 20 knots north of Separation Point, becoming northwest 20 knots everywhere early.
Issued: 3:11am Sunday 13 Sep 2026
Grey
Warning: Nil
Sunday: Southwest 25 knots. Sea rough. Long period southwest swell 5 metres easing. Fair visibility in morning showers.
Monday: Southwest 20 knots, easing to variable 10 knots early. Becoming southwest 20 knots but variable 10 knots south of Cape Foulwind later. Moderate southwest swell.
Tuesday: Southwest 20 knots but variable 10 knots south of Cape Foulwind, becoming variable 10 knots everywhere early. Becoming variable 10 knots but northwest 20 knots south of Cape Foulwind later. Moderate southwest swell easing.
Wednesday: Becoming variable 10 knots early, then becoming northerly 25 knots but 15 knots north of Abut Head in the morning. Becoming northerly 25 knots everywhere later. Sea becoming rough. Westerly swell becoming moderate.
Issued: 3:11am Sunday 13 Sep 2026
Milford
Warning: Nil
Sunday: Southwest 25 knots easing to 15 knots in the evening. Rough sea easing. Long period southwest swell 6 metres easing. Fair visibility in morning and afternoon showers.
Monday: Southwest 15 knots, easing to variable 10 knots early, then becoming northerly 15 knots later. Moderate southwest swell.
Tuesday: Northerly 20 knots. Moderate westerly swell.
Wednesday: Offshore: Northerly 20 knots, turning to easterly 25 knots early. Elsewhere: Northerly 20 knots, turning to southeast 20 knots later. Sea becoming rough offshore. Moderate westerly swell.
Issued: 3:11am Sunday 13 Sep 2026
Puysegur
Warning: Nil
Sunday: Southwest 30 knots easing to westerly 20 knots in the morning. Rough sea easing. Long period southwest swell 7 metres easing. Fair visibility in showers.
Monday: Westerly 20 knots, rising to northwest 30 knots early. Sea becoming rough. Heavy southwest swell easing.
Tuesday: South of West Cape: Northwest 30 knots, rising to 40 knots early, then becoming southwest 15 knots late. Elsewhere: Northwest 30 knots. Sea becoming very rough in the south for a time. Moderate southwest swell dying out. Moderate northwest swell developing.
Wednesday: Becoming variable 10 knots early, then becoming southerly 20 knots west of West Cape in the morning. Rough sea in the north, easing. Moderate westerly swell.
Issued: 3:11am Sunday 13 Sep 2026
Foveaux
Warning: Gale warning
Sunday: Southwest 35 knots, easing to westerly 20 knots in the morning. Very rough sea easing. Long period southwest swell 6 metres offshore easing. Fair visibility in showers.
Monday: Westerly 20 knots, becoming northwest 10 knots but 20 knots east of Slope Point to Shelter Point early. Becoming northwest 20 knots everywhere later. Moderate southwest swell.
Tuesday: Northwest 20 knots, easing to variable 10 knots late. Moderate southwest swell easing.
Wednesday: Variable 10 knots. Southwest swell becoming moderate.
Issued: 3:11am Sunday 13 Sep 2026
Chalmers
Warning: Gale warning
Sunday: Southwest 35 knots, easing to 25 knots early morning then easing to westerly 15 knots in the evening. Very rough sea easing. Long period southwest swell 5 metres offshore easing.
Monday: Westerly 15 knots, easing to variable 10 knots early. Moderate southwest swell.
Tuesday: Variable 10 knots, becoming northerly 15 knots for a time. Moderate southwest swell easing.
Wednesday: Variable 10 knots, becoming southerly 15 knots later. Southwest swell becoming moderate.
Issued: 3:11am Sunday 13 Sep 2026
Rangitata
Warning: Nil
Sunday: Northwest 20 knots, becoming southwest 15 knots but 30 knots offshore early morning, then becoming variable 10 knots but southwest 15 knots offshore late morning. Easing to variable 10 knots everywhere in the afternoon. Sea becoming rough for a time. Long period southwest swell 4 metres offshore easing. Fair visibility in early morning showers offshore.
Monday: Variable 10 knots. Moderate southerly swell easing.
Tuesday: Variable 10 knots.
Wednesday: Variable 10 knots, becoming southwest 20 knots inshore later.
Issued: 3:11am Sunday 13 Sep 2026
Conway
Warning: Nil
Sunday: Variable 10 knots but westerly 25 knots south of Kaikoura Peninsula, turning to southwest 20 knots everywhere in the morning. Easing to variable 10 knots in the afternoon. Sea becoming rough for a time. Long period southwest swell 4 metres offshore easing.
Monday: Variable 10 knots. Moderate southerly swell.
Tuesday: Variable 10 knots, becoming northerly 20 knots north of Kaikoura Peninsula early. Becoming variable 10 knots everywhere later. Moderate southerly swell easing.
Wednesday: Variable 10 knots, becoming northerly 20 knots north of Kaikoura Peninsula later.
Issued: 3:11am Sunday 13 Sep 2026
Chatham Islands
Warning: Gale warning
Sunday: Westerly 25 knots, rising to 35 knots around midday then easing to southwest 25 knots late evening. Sea becoming very rough for a time. Long period southwest swell 6 metres. Poor visibility in morning rain.
Monday: Southwest 30 knots, easing to 20 knots early, then variable 10 knots late. Rough sea easing. Heavy southwest swell easing.
Tuesday: Variable 10 knots. Moderate southwest swell.
Wednesday: Variable 10 knots, becoming northerly 15 knots later. Moderate southwest swell.
Issued: 3:11am Sunday 13 Sep 2026
Auckland VHF Warning
No Warnings In Effect