Coastal Forecasts and Warnings

Warnings

Storm warning in effect for Milford and Puysegur

Gale warning in effect for Grey and Conway

The Situation

A ridge of high pressure over New Zealand moves away to the east today, as a trough approaches from the west. The trough moves across the country during Tuesday and Wednesday. Disturbed northwesterlies affect much of New Zealand on Thursday as a low moves across the lower South Island.

Issued: 10:45pm Sunday 18 Aug 2019

Forecasts valid to Midnight Monday, 19-Aug

Plenty

Warning: NIL

Southeast 20 knots but 30 knots offshore. Becoming easterly 20 knots everywhere around midday. Rough sea offshore, easing. Southeast swell offshore 2 metres, easing.

Outlook following 3 days: Becoming early Tuesday northeast 15 knots and rising late Tuesday northerly 25 knots, changing early Wednesday westerly 20 knots then becoming Thursday northwest 30 knots. Sea rough at times. Northerly swell becoming moderate Thursday.

Issued: 10:45pm Sunday 18 Aug 2019

Colville

Warning: NIL

Southeast 30 knots, easing to easterly 20 knots around midday. Rough sea easing. Southeast swell 3 metres easing.

Outlook following 3 days: Becoming Tuesday morning northeast 15 knots, rising Tuesday evening northerly 25 knots, changing late Tuesday to early Wednesday westerly 25 knots then turning Thursday northerly 25 knots.Sea becoming rough.Moderate southeast swell easing Tuesday. Northerly swell becoming moderate Thursday.

Issued: 10:45pm Sunday 18 Aug 2019

Brett

Warning: NIL

Southeast 30 knots, easing to 20 knots this afternoon. Rough sea, easing. Southeast swell 3 metres easing. Fair visibility in showers, clearing early morning.

Outlook following 3 days: Becoming Tuesday morning northerly 20 knots, changing late Tuesday westerly 25 knots, turning Thursday northerly 30 knots.Sea becoming rough. Moderate southeast swell easing Tuesday. Northerly swell becoming moderate Thursday.

Issued: 10:45pm Sunday 18 Aug 2019

Kaipara

Warning: NIL

Southeast 30 knots, easing to 20 knots south of Tauroa Point this morning. Becoming northeast 20 knots everywhere this afternoon.Rough sea, easing. Southeast swell north of Cape Reinga, 3 metres easing. Southwest swell 2 metres easing. Fair visibility in showers,clearing early morning.

Outlook following 3 days: Becoming Tuesday morning northerly 25 knots, changing late Tuesday westerly 25 knots, becoming Thursday northerly 30 knots. Sea rough. Southwest swell becoming heavy for a time Thursday.Moderate southeast swell in the north easing Tuesday. Northwest swell becoming heavy Thursday.

Issued: 10:45pm Sunday 18 Aug 2019

Raglan

Warning: NIL

Southeast 25 knots, becoming northeast 15 knots this morning. Rough sea, easing. Southwest swell 2 metres easing.

Outlook following 3 days: Becoming Tuesday morning northerly 25 knots, changing late Tuesday westerly 20 knots, becoming late Wednesday to early Thursday northerly 25 knots. Sea rough at times. Southwest swell becoming heavy for a time Thursday. Northwest swell becoming heavy Thursday.

Issued: 10:45pm Sunday 18 Aug 2019

Stephens

Warning: NIL

Southeast 25 knots, easing to 15 knots early morning. Becoming northeast 15 knots late morning, rising to 25 knots west of Cape Farewell to Hawera this evening. Sea rough at times. Southwest swell in the west, 2 metres easing. Southeast swell in the west, 2 metres dying out. Westerly swell in the east, 1 metre dying out.

Outlook following 3 days: Becoming morning Tuesday northerly 20 knots but 30 knots in the west, changing late Tuesday northwest 20 knots everywhere, rising Thursday 30 knots. Sea rough at times. Southwest swell in the west becoming heavy for a time Thursday. Northwest swell becoming heavy Thursday.

Issued: 10:45pm Sunday 18 Aug 2019

Cook

Warning: NIL

Southeast 15 knots. Changing northerly 15 knots this morning, rising to 30 knots south of Sinclair Head this evening. Sea becoming rough in the south. Southerly swell, 2 metres easing.

Outlook following 3 days: Rising Tuesday morning northerly 35 knots, easing early Wednesday northwest 20 knots, rising Thursday northwest 35 knots. Sea very rough at times.

Issued: 10:45pm Sunday 18 Aug 2019

Castlepoint

Warning: NIL

Southeast 10 knots. Becoming northeast 15 knots this morning, rising to northerly 25 knots south of Flat Point this afternoon and elsewhere in the evening. Sea becoming rough. Southerly swell 2 metres easing.

Outlook following 3 days: Northerly 25 knots rising early Tuesday 35 knots in the south with very rough sea, turning early Wednesday northwest 20 knots everywhere, rising Thursday northwest 30 knots. Northeast swell becoming moderate for a time Wednesday.

Issued: 10:45pm Sunday 18 Aug 2019

Portland

Warning: NIL

North of East Cape: Southeast 25 knots, easing to easterly 15 knots this afternoon. In the south: Southeast 15 knots, becoming northeast 15 knots this afternoon. Rough sea in the north, easing. Southerly swell 2 metres easing. Easterly swell 1 metre. Fair visibility in a few showers, clearing this afternoon.

Outlook following 3 days: Becoming Tuesday morning northerly 15 knots and rising late Tuesday 25 knots, changing early Wednesday westerly 20 knots, rising Thursday northwest 30 knots. Sea rough at times. Northeast swell becoming moderate for a time Wednesday.

Issued: 10:45pm Sunday 18 Aug 2019

Abel

Warning: NIL

Southeast 15 knots but variable 10 knots south of Separation Point, easing to variable 10 knots everywhere this morning. Northerly 15 knots developing this afternoon. Sea slight.

Outlook following 3 days: Rising Tuesday morning northerly 25 knots with rough sea, easing late Tuesday northwest 15 knots, rising Thursday 25 knots in the north. Sea rough at times.Moderate northerly swell developing Tuesday, easing Wednesday.

Issued: 10:45pm Sunday 18 Aug 2019

Grey

Warning: GALE

Variable 10 knots. Northeast 15 knots developing this morning, rising to 25 knots this afternoon and to 35 knots south of Abut Head this evening. Sea becoming very rough in the south. Northerly swell 2 metres developing. Southwest swell 1 metre. Fair visibility in showers developing this evening.

Outlook following 3 days: Rising early Tuesday northerly 35 knots everywhere with very rough sea,changing Tuesday evening westerly 20 knots, then becoming early Wednesday northeast 20 knots,turning late Wednesday northwest 20 knots. Southwest swell becoming heavy for a time Thursday. Northwest swell becoming heavy Thursday.

Issued: 10:45pm Sunday 18 Aug 2019

Milford

Warning: STORM

Northeast 20 knots, rising to 40 knots this afternoon and to 50 knots this evening. Sea becoming high. Northerly swell 3 metres developing. Southwest swell 1 metre. Fair visibility in showers developing this morning.

Outlook following 3 days: Easing early Tuesday westerly 20 knots, becoming early Wednesday northeast 30 knots with rough sea, turning late Wednesday northerly 20 knots. Southwest swell becoming heavy for a time Thursday. Heavy northwest swell at times.

Issued: 10:45pm Sunday 18 Aug 2019

Puysegur

Warning: STORM

West of Preservation Inlet: Northwest 30 knots, rising to northerly 40 knots early morning, 50 knots this afternoon and to 60 knots this evening. In the east: Northwest 30 knots. Sea becoming very high in the west. Northwest swell 5 metres developing. Southwest swell,rising to 3 metres. Fair visibility in showers developing this morning.

Outlook following 3 days: Easing early Tuesday northwest 25 knots, turning early Wednesday northerly 20 knots but 35 knots in the west with very rough sea, becoming late Wednesday northerly 20 knots everywhere. Heavy southwest and northwest swells at times.

Issued: 10:45pm Sunday 18 Aug 2019

Foveaux

Warning: NIL

Northwest 15 knots, rising to northerly 25 knots this evening. Sea becoming rough. Southwest swell rising to 2 metres. Northeast swell 1 metre,developing east of Slope Point.

Outlook following 3 days: Turning Tuesday morning northwest 20 knots, becoming Wednesday northeast 20 knots, easing late Thursday variable 10 knots. Moderate southwest swell.Moderate northeast swell in the east at times.

Issued: 10:45pm Sunday 18 Aug 2019

Chalmers

Warning: NIL

Northerly 20 knots. Sea moderate. Southwest swell rising to 2 metres. Northeast swell,1 metre developing.

Outlook following 3 days: Northerly 25 knots easing Tuesday afternoon northwest 15 knots,rising Wednesday northeast 25 knots, easing Thursday northerly 15 knots. Sea rough at times.Moderate southwest and northeast swells at times.

Issued: 10:45pm Sunday 18 Aug 2019

Rangitata

Warning: NIL

Northerly 20 knots. Sea moderate. Southerly swell 1 metre. Northeast swell 1 metre developing.

Outlook following 3 days: Northerly 25 knots with rough sea, easing Tuesday evening westerly 15 knots and early Wednesday variable 10 knots, becoming late Wednesday northerly 15 knots.Moderate northeast swell developing Tuesday,easing Wednesday.

Issued: 10:45pm Sunday 18 Aug 2019

Conway

Warning: GALE

Variable 10 knots. Northerly 25 knots developing this morning, rising to 35 knots offshore this afternoon. Sea becoming very rough offshore. Northerly swell, 2 metres developing offshore. Southerly swell 1 metre.

Outlook following 3 days: Northerly 30 knots, easing early Wednesday 15 knots, rising Thursday 25 knots in the north.Sea rough at times. Moderate northeast swell for a time late Tuesday and Wednesday.

Issued: 10:45pm Sunday 18 Aug 2019

Chatham Islands

Warning: NIL

Southerly 15 knots, easing to variable 10 knots this morning. Sea slight. Southwest swell 3 metres easing. Fair visibility in showers, clearing morning.

Outlook following 3 days: Rising Tuesday morning northerly 15 knots and late Tuesday 30 knots with rough sea, easing Wednesday northwest 20 knots. Moderate southwest swell. Moderate northerly swell developing Wednesday.

Issued: 10:45pm Sunday 18 Aug 2019

Auckland VHF Warning

Issued: 10:40pm Sunday 18 Aug 2019

STRONG WIND ADVISORY A34 FOR THE AREA FROM BREAM HEAD TO CAPE COLVILLE : Southeast 30 knots gusting 40 knots, easing to 25 knots gusting 35 knots this morning, and below advisory criteria this afternoon. This warning cancels and replaces WARNING A33