Coastal Forecasts and Warnings

Warnings

No Warnings In Effect

The Situation

A trough over the North Island is expected to remain slow moving during the weekend. A complex low develops on the trough late Sunday, then sinks southwards during Monday. The low moves slowly to the east of the country on Tuesday, followed by southwesterlies. Another trough approaches the upper North Island from the west late Wednesday.

Issued: 7:32am Saturday 23 Sep 2023

Forecasts valid to Midnight Saturday, 23-Sep

Plenty

Warning: NIL

Saturday : Northerly 20 knots rising to 30 knots in the evening. Sea becoming rough. Northeast swell rising to 2 metres. Fair visibility in showers.

Outlook following 3 days: Sunday: Northerly 30 knots. Sea rough. Moderate northeast swell. Monday: Northeast 25 knots rising to northeast 35 knots early, easing to northwest 20 knots late. Sea becoming very rough for a time. Northeast swell becoming heavy for a time. Tuesday: Northwest 20 knots, westerly 30 knots. Sea becoming rough. Moderate northeast swell.

Issued: 3:12am Saturday 23 Sep 2023

Colville

Warning: NIL

Saturday : Northerly 20 knots rising to 30 knots in the evening. Sea becoming rough. Northeast swell rising to 2 metres. Fair visibility in showers.

Outlook following 3 days: Sunday: Northerly 30 knots. Sea rough. Moderate northeast swell. Monday: Northerly 30 knots, changing northwest 20 knots. Rough sea easing. Heavy northeast swell developing for a time. Tuesday: Northwest 20 knots rising to westerly 30 knots. Sea becoming rough. Moderate northeast swell.

Issued: 3:12am Saturday 23 Sep 2023

Brett

Warning: NIL

Saturday : Northerly 20 knots rising to 30 knots in the evening. Sea becoming rough. Northeast swell rising to 2 metres. Fair visibility in showers.

Outlook following 3 days: Sunday: Northeast 25 knots, but changing southerly 15 knots inshore in the morning. Sea rough offshore. Moderate northeast swell. Monday: Becoming southwest 25 knots everywhere early, then turning northwest 25 knots late. Sea becoming rough. Moderate northeast swell. Tuesday: Westerly 25 knots. Sea rough. Moderate northeast swell.

Issued: 3:12am Saturday 23 Sep 2023

Kaipara

Warning: NIL

Saturday : Northerly 20 knots, rising to 30 knots north of Hokianga Harbour around midday. Becoming northerly 30 knots but southerly 25 knots offshore in the afternoon, then southerly 20 knots everywhere in the evening. Sea becoming rough everywhere for a time. Long period southwest swell 2 metres. North of Cape Reinga: northeast swell rising to 2 metres. Poor visibility in evening rain.

Outlook following 3 days: Sunday: Southerly 20 knots, rising to 30 knots north of Cape Reinga in the afternoon. Sea becoming rough in the north. Moderate southwest swell. Moderate northeast swell north of Cape Reinga. Monday: Becoming southwest 25 knots everywhere early, easing to westerly 15 knots late. Rough sea easing. Moderate northeast swell north of Cape Reinga. Moderate southwest swell. Tuesday: Becoming southwest 30 knots early, easing to westerly 20 knots late. Sea becoming rough for a time. Southwest swell becoming heavy for a time.

Issued: 3:12am Saturday 23 Sep 2023

Raglan

Warning: NIL

Saturday : Northerly 20 knots, changing southerly 15 knots south of Tongaporutu late morning. Becoming southerly 20 knots everywhere in the evening. Moderate sea easing for a time in the south. Long period southwest swell 2 metres. Poor visibility in rain, mainly from afternoon.

Outlook following 3 days: Sunday: Southwest 15 knots, becoming southeast 15 knots but 25 knots south of Tongaporutu in the evening. Sea becoming rough in the south. Moderate southwest swell. Monday: Southeast 15 knots but 25 knots south of Kawhia Harbour. Becoming northerly 15 knots everywhere late. Sea rough in the south easing. Moderate southwest swell easing. Tuesday: Becoming westerly 30 knots early, easing to 20 knots late. Sea becoming rough for a time. Southwest swell becoming moderate.

Issued: 3:12am Saturday 23 Sep 2023

Stephens

Warning: NIL

Saturday : Northerly 30 knots, changing southwest 20 knots in the morning. Changing southeast 20 knots east of Farewell Spit to Hawera in the afternoon. Rough sea easing. West of Farewell Spit to Hawera: long period southwest swell 3 metres, easing. Elsewhere: westerly swell 1 metre. Poor visibility in rain.

Outlook following 3 days: Sunday: Becoming southeast 25 knots everywhere in the morning, then rising to 35 knots in the afternoon. Sea becoming very rough. Moderate southwest swell west of Cape Farewell to Hawera. Moderate southeast swell developing in the west. Monday: Southeast 35 knots rising to 45 knots early, easing to 25 knots late. Sea becoming high for a time. Moderate southwest swell west of Cape Farewell to Hawera easing. Moderate southeast swell in the west. Tuesday: Becoming southwest 25 knots but westerly 15 knots east of Farewell Spit to Hawera early. Rough sea, easing in the east. Moderate southeast swell in the west easing. Moderate southwest swell developing.

Issued: 3:12am Saturday 23 Sep 2023

Cook

Warning: NIL

Saturday : Northerly 30 knots, changing southerly 20 knots around midday. Rough sea easing. Poor visibility in rain.

Outlook following 3 days: Sunday: Southeast 20 knots, rising to 30 knots in the morning. Sea becoming rough. Moderate southerly swell developing. Monday: Southeast 35 knots. Sea very rough. Moderate southerly swell. Tuesday: Southerly 35 knots easing to 25 knots early. Very rough sea easing. Moderate southerly swell.

Issued: 3:12am Saturday 23 Sep 2023

Castlepoint

Warning: NIL

Saturday : Northwest 20 knots but southwest 20 knots south of Cape Palliser, becoming southwest 15 knots everywhere in the morning. Changing southeast 15 knots in the evening. Moderate sea easing. Northeast swell rising to 2 metres. Southwest swell 1 metre, developing. Poor visibility in rain.

Outlook following 3 days: Sunday: Southeast rising to 30 knots in the morning, turning northeast 20 knots in the evening. Sea becoming rough for a time. Moderate southeast swell developing. Monday: Becoming southwest 15 knots early, rising to 25 knots late. Sea becoming rough. Moderate southeast swell. Moderate northeast swell developing. Tuesday: Southwest 25 knots rising to 35 knots. Sea becoming very rough. Moderate southerly swell. Moderate northeast swell.

Issued: 3:12am Saturday 23 Sep 2023

Portland

Warning: NIL

Saturday : Northerly 20 knots, becoming northerly 30 knots east of Mahia Peninsula in the evening. Becoming southerly 20 knots south of Cape Kidnappers overnight. Sea becoming rough in the east. Northeast swell rising to 2 metres. Fair visibility in showers north of Tolaga Bay.

Outlook following 3 days: Sunday: Northerly 25 knots, but southerly 20 knots south of Cape Kidnappers. Becoming southerly 20 knots south of Mahia Peninsula in the afternoon, and northerly 20 knots elsewhere. Rough sea easing. Moderate northeast swell developing. Monday: Becoming northerly 35 knots early, easing to 25 knots late. Sea becoming very rough for a time. Heavy northerly swell developing for a time. Tuesday: Northwest 20 knots, but 30 knots about East Cape. Changing southwest 15 knots south of Mahia late. Sea rough in the north. Moderate northeast swell.

Issued: 3:12am Saturday 23 Sep 2023

Abel

Warning: NIL

Saturday : Northerly 25 knots, easing to variable 10 knots in the morning. Easterly 15 knots developing in the afternoon. Rough sea easing. Poor visibility in morning and evening rain.

Outlook following 3 days: Sunday: Southeast 15 knots, rising to 25 knots north of Separation Point in the morning. Sea becoming rough in the north. Monday: Southeast 15 knots but 30 knots north of Separation, becoming southwest 10 knots everywhere late. Rough sea in the north easing. Tuesday: Variable 10 knots.

Issued: 3:12am Saturday 23 Sep 2023

Grey

Warning: NIL

Saturday : Southwest 20 knots, becoming variable 10 knots in the evening. Moderate sea easing. Long period southwest swell 3 metres, easing.

Outlook following 3 days: Sunday: Southwest 10 knots turning southeast 15 knots in the afternoon. Moderate southwest swell. Monday: Southeast 20 knots, becoming southwest 20 knots late. Moderate southwest swell easing. Tuesday: Southwest rising to 25 knots early, easing to 15 knots late. Sea becoming rough for a time. Moderate westerly swell developing.

Issued: 3:12am Saturday 23 Sep 2023

Milford

Warning: NIL

Saturday : Southwest 15 knots but 25 knots offshore, becoming southwest 15 knots everywhere in the morning. Easing to variable 10 knots in the evening. Rough sea offshore easing. Long period southwest swell 3 metres, easing.

Outlook following 3 days: Sunday: Variable 10 knots. Moderate westerly swell. Monday: Southerly 10 knots, rising to southwest 25 knots. Sea becoming rough. Moderate southwest swell easing. Tuesday: Southwest 25 knots, rising to southerly 35 knots for a time late. Sea becoming very rough for a time. Moderate southwest swell developing.

Issued: 3:12am Saturday 23 Sep 2023

Puysegur

Warning: NIL

Saturday : Variable 10 knots but southerly 15 knots north of West Cape, becoming variable 10 knots everywhere in the morning. Southeast 15 knots developing in the evening. Sea slight. Long period southwest swell 3 metres, easing.

Outlook following 3 days: Sunday: Southeast 15 knots but 25 knots south of West Cape at times. Sea rough in the south at times. Moderate southwest swell. Monday: Becoming variable 10 knots everywhere early, then southerly 10 knots but 25 knots north of West Cape late. Sea becoming rough in the north. Moderate southwest swell easing. Tuesday: Becoming southerly 30 knots everywhere early, easing to 20 knots in the south late. Rough sea easing in the south. Moderate southwest swell.

Issued: 3:12am Saturday 23 Sep 2023

Foveaux

Warning: NIL

Saturday : Variable 10 knots. Easterly 15 knots developing in the evening. Sea slight. Long period southwest swell 3 metres offshore, easing.

Outlook following 3 days: Sunday: Easterly 15 knots. Monday: Becoming northeast 25 knots but variable 10 knots west of Slope Point to Shelter Point early. Sea becoming rough in the east. Moderate southwest swell offshore. Tuesday: Becoming southerly 25 knots everywhere, but easing to 15 knots late. Sea becoming rough for a time. Moderate southwest swell.

Issued: 3:12am Saturday 23 Sep 2023

Chalmers

Warning: NIL

Saturday : Easterly 10 knots. Sea slight. Long period southwest swell 2 metres offshore.

Outlook following 3 days: Sunday: Easterly 15 knots. Monday: Northeast 20 knots. Tuesday: Southerly 25 knots developing. Sea becoming rough. Moderate southwest swell developing.

Issued: 3:12am Saturday 23 Sep 2023

Rangitata

Warning: NIL

Saturday : Southerly 15 knots easing to variable 10 knots in the morning. Sea slight. Southwest swell 1 metre. Poor visibility in morning rain.

Outlook following 3 days: Sunday: Easterly 10 knots. Monday: Easterly 10 knots, becoming southeast 10 knots but southerly 20 knots north of Timaru late. Tuesday: Becoming southerly 25 knots everywhere early. Sea becoming rough. Moderate southwest swell developing.

Issued: 3:12am Saturday 23 Sep 2023

Conway

Warning: NIL

Saturday : Southwest 25 knots, easing to southerly 15 knots in the morning, and to variable 10 knots in the afternoon. Southeast 15 knots developing late evening. Rough sea easing. Southwest swell 1 metre. Fair visibility in scattered morning rain.

Outlook following 3 days: Sunday: Southeast 15 knots. Monday: Southeast 15 knots, rising to 25 knots early. Sea becoming rough. Moderate easterly swell developing. Tuesday: Southerly 30 knots. Sea rough. Moderate easterly swell.

Issued: 3:12am Saturday 23 Sep 2023

Chatham Islands

Warning: NIL

Saturday : Northwest 15 knots, rising to 25 knots in the afternoon. Changing southwest 15 knots overnight. Sea becoming rough for a time. Long period northwest swell 2 metres. Southwest swell 2 metres, developing. Possible areas of afternoon fog. Poor visibility in periods of evening rain.

Outlook following 3 days: Sunday: Becoming southeast 15 knots in the morning then rising to 25 knots in the afternoon. Changing northwest 20 knots in the evening. Sea becoming rough for a time. Moderate northwest swell easing. Moderate southwest swell. Monday: Northwest 20 knots. Moderate southwest swell easing. Moderate northerly swell. Tuesday: Northerly rising to 30 knots early. Sea becoming rough. Moderate northerly swell.

Issued: 3:12am Saturday 23 Sep 2023

Auckland VHF Warning

Issued: 3:12am Saturday 23 Sep 2023

STRONG WIND ADVISORY A48 FOR THE AREA FROM BREAM HEAD TO CAPE COLVILLE:
Northerly 25 knots gusting 35 knots about Colville Channel. Rising to 30 knots gusting 40 knots everywhere Saturday evening. Easing below advisory criteria Sunday morning.
STRONG WIND ADVISORY A48 FOR HAURAKI GULF:
Northerly rising to 30 knots gusting 40 knots Saturday evening. Easing below advisory criteria Sunday morning.
This warning cancels and replaces WARNING A47