Coastal Forecasts and Warnings

Warnings

Gale warning in effect for Brett

The Situation

A strengthening, moist easterly flow affects the northern North Island today, while a ridge of high pressure affects the rest of the country. On Tuesday, an intense low spreads rain and strong winds south over the upper half of the North Island, while the ridge remains over the South Island.A ridge covers the South Island. On Wednesday the easterly flow over the North Island turns southeast and weakens while a front moves east onto the southwest of the South Island. The front in the south weakens on Thursday as a ridge of high pressure moves onto the country.

Issued: 8:14am Monday 20 Jan 2025

Coastal Forecasts

Plenty

Warning: Nil

Monday: Easterly 20 knots, rising to 30 knots overnight tonight. Sea becoming rough. Easterly swell 1 metre.

Tuesday: Easterly 30 knots, becoming southeast 20 knots but northeast 25 knots offshore in the evening. Sea rough. Moderate northeast swell.

Wednesday: Becoming southeast 10 knots but 20 knots inshore early. Becoming southerly 10 knots everywhere in the morning. Rough sea inshore easing. Moderate northeast swell easing.

Thursday: Southerly 10 knots, turning westerly 15 knots early.

Issued: 3:09am Monday 20 Jan 2025

Colville

Warning: Nil

Monday: Easterly 30 knots. Sea rough. Easterly swell 2 metres. Poor visibility in morning and evening rain, possibly heavy.

Tuesday: Easterly 30 knots, easing to northeast 20 knots in the morning, then to northerly 10 knots in the afternoon. Rough sea easing. Moderate northeast swell.

Wednesday: Variable 10 knots. Moderate northeast swell easing.

Thursday: Southerly 10 knots, turning westerly 15 knots early.

Issued: 6:27am Monday 20 Jan 2025

Brett

Warning: Gale warning

Monday: Easterly 30 knots, rising to 40 knots overnight. Sea becoming very rough. Easterly swell 2 metres. Poor visibility in periods of rain with possible thunderstorms north of Cape Brett.

Tuesday: Easterly 40 knots, easing to northerly 20 knots everywhere in the morning. Rough sea easing. Moderate northeast swell.

Wednesday: Northerly 15 knots, changing southerly 10 knots early. Moderate northeast swell easing.

Thursday: Southwest 10 knots, rising to 20 knots later.

Issued: 6:27am Monday 20 Jan 2025

Kaipara

Warning: Nil

Monday: Easterly 15 knots but 25 knots offshore. Becoming southeast 25 knots everywhere this evening. Sea becoming rough everywhere. North of Cape Regina: Easterly swell 2 metres. Long period southwest swell 1 metre. Elsewhere: Long period southwest swell 2 metres, easing. Poor visibility in periods of rain with possible thunderstorms north of Hokianga Harbour.

Tuesday: Northeast 10 knots but easterly 20 knots south of Cape Reinga. Becoming westerly 20 knots but southeast 25 knots in the south in the morning. Sea becoming rough in the south. Moderate southwest swell developing.

Wednesday: Southwest 20 knots but southeast 20 knots south of Cape Reinga. Moderate southwest swell easing.

Thursday: Easing to southwest 15 knots everywhere early.

Issued: 6:27am Monday 20 Jan 2025

Raglan

Warning: Nil

Monday: Easterly 20 knots. Southerly 15 knots developing for a time south of Raglan Harbour this afternoon. Moderate sea easing for a time in the south. Long period southwest swell 2 metres, easing. Fair visibility in few morning showers.

Tuesday: Easterly 25 knots, easing to southeast 15 knots south of Kawhia Harbour in the morning. Becoming southeast 15 knots everywhere in the evening. Sea rough at times.

Wednesday: Southerly 10 knots.

Thursday: Variable 10 knots, becoming southwest 20 knots early.

Issued: 6:27am Monday 20 Jan 2025

Stephens

Warning: Nil

Monday: Southeast 30 knots, easing to 20 knots this morning. Rough sea easing. West of Farewell Spit to Hawera: Long period southwest swell 2 metres, easing.

Tuesday: Southeast 15 knots.

Wednesday: Southeast 20 knots, easing to southerly 10 knots later.

Thursday: Southwest 10 knots, rising to westerly 20 knots early.

Issued: 3:09am Monday 20 Jan 2025

Cook

Warning: Nil

Monday: Southeast 20 knots. Sea moderate.

Tuesday: Southerly 10 knots, rising to southeast 20 knots south of Cape Terawhiti in the morning. Becoming southeast 10 knots everywhere in the evening.

Wednesday: Southeast 15 knots, easing to variable 10 knots later.

Thursday: Variable 10 knots, becoming northerly 15 knots early. Changing southerly 30 knots late. Sea becoming rough.

Issued: 3:09am Monday 20 Jan 2025

Castlepoint

Warning: Nil

Monday: Southerly 15 knots easing to variable 10 knots this morning. Sea slight. Long period southwest 1 metre developing. Fair visibility in a few morning showers.

Tuesday: Northeast 10 knots, rising to 20 knots in the morning. Moderate southerly swell easing.

Wednesday: Easterly 15 knots.

Thursday: Northeast 15 knots, becoming westerly 15 knots late. Northeast swell becoming moderate.

Issued: 3:09am Monday 20 Jan 2025

Portland

Warning: Nil

Monday: Variable 10 knots but easterly 15 knots north of East Cape. Northerly 15 knots developing in the south this evening. Sea slight. Long period southwest swell 1 metre developing late. Easterly swell 1 metre. Fair visibility in a few morning showers.

Tuesday: Northeast 20 knots, rising to easterly 30 knots north of East Cape in the morning. Becoming easterly 20 knots everywhere in the afternoon. Sea becoming rough in the north for a time. Southeast swell becoming moderate.

Wednesday: Easterly 20 knots, becoming southerly 10 knots but southeast 20 knots south of East Cape early. Moderate easterly swell.

Thursday: Southwest 10 knots but southeast 20 knots south of East Cape. Moderate easterly swell easing.

Issued: 3:09am Monday 20 Jan 2025

Abel

Warning: Nil

Monday: Southeast 15 knots but 25 knots north of Separation Point, becoming southeast 15 knots everywhere this morning. Northerly 15 knots developing in the south for a time this afternoon. Rough sea in the north, easing.

Tuesday: Southeast 10 knots.

Wednesday: Southeast 15 knots, easing to variable 10 knots later.

Thursday: Variable 10 knots, becoming westerly 20 knots for a time in the morning.

Issued: 3:09am Monday 20 Jan 2025

Grey

Warning: Nil

Monday: Variable 10 knots but easterly 20 knots about Grey River mouth, becoming variable 10 knots everywhere this morning. Moderate sea about Grey River, easing. Long period southwest swell 2 metres, easing.

Tuesday: Southwest 10 knots, rising to 20 knots in the afternoon. Moderate southwest swell.

Wednesday: Southwest 20 knots, easing to 10 knots late. Moderate southwest swell easing.

Thursday: Southwest 10 knots, rising to 25 knots later. Sea becoming rough. Southwest swell becoming moderate.

Issued: 3:09am Monday 20 Jan 2025

Milford

Warning: Nil

Monday: Variable 10 knots. Sea slight. Long period southwest swell 2 metres, easing.

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

Wednesday: Southwest 20 knots, turning northwest 15 knots later. Moderate southwest swell easing.

Thursday: Northerly 20 knots, changing southwest 30 knots early. Easing to southerly 20 knots late. Sea becoming rough for a time. Westerly swell becoming moderate.

Issued: 3:09am Monday 20 Jan 2025

Puysegur

Warning: Nil

Monday: Variable 10 knots but southeast 25 knots north of West Cape. Easing to southeast 15 knots in the north this morning, then becoming variable 10 knots everywhere this evening. Rough sea in the north easing. Long period southwest swell 2 metres, easing.

Tuesday: Southwest 10 knots. Moderate southwest swell.

Wednesday: Variable 10 knots, becoming northerly 20 knots later. Moderate southwest swell easing.

Thursday: Northerly 20 knots, changing southwest 30 knots early, easing to 20 knots later. Sea becoming rough for a time. Westerly swell becoming moderate.

Issued: 6:27am Monday 20 Jan 2025

Foveaux

Warning: Nil

Monday: Variable 10 knots. Sea slight. Long period southwest swell 2 metres offshore.

Tuesday: Variable 10 knots.

Wednesday: Northeast 10 knots.

Thursday: Northeast 10 knots, changing southwest 25 knots early, easing to 15 knots late. Sea becoming rough for a time. Southwest swell becoming moderate.

Issued: 3:09am Monday 20 Jan 2025

Chalmers

Warning: Nil

Monday: Variable 10 knots. Sea slight. Long period southwest swell 2 metres offshore.

Tuesday: Northeast 10 knots. Moderate southwest swell easing.

Wednesday: Variable 10 knots, becoming northeast 15 knots early.

Thursday: Northerly 15 knots, changing southwest 30 knots early, easing to 20 knots late. Sea becoming rough for a time. Moderate southwest swell developing.

Issued: 3:09am Monday 20 Jan 2025

Rangitata

Warning: Nil

Monday: Variable 10 knots. Easterly 15 knots developing inshore for a time this afternoon and evening. Sea slight. Long period southwest swell 1 metre.

Tuesday: Northeast 10 knots.

Wednesday: Northeast 10 knots, rising to 20 knots early.

Thursday: Northeast 20 knots, easing to variable 10 knots early. Becoming southerly 30 knots later. Sea becoming rough. Moderate southerly swell developing.

Issued: 3:09am Monday 20 Jan 2025

Conway

Warning: Nil

Monday: Variable 10 knots. Northeast 15 knots developing inshore for a time this afternoon and evening. Sea slight. Long period southwest swell 1 metre developing.

Tuesday: Northeast 15 knots.

Wednesday: Northeast 10 knots, rising to 20 knots early.

Thursday: Northeast 25 knots, easing to northerly 15 knots early. Changing southerly 25 knots late. Rough sea easing for a time.

Issued: 6:27am Monday 20 Jan 2025

Chatham Islands

Warning: Nil

Monday: Variable 10 knots. Southwest 15 knots developing in the morning. Sea slight. Long period southwest swell rising to 2 metres. Fair visibility in a few showers.

Tuesday: Southwest 15 knots, easing to variable 10 knots in the afternoon. Moderate southwest swell.

Wednesday: Variable 10 knots, becoming easterly 15 knots early. Moderate southwest swell easing.

Thursday: Easterly 15 knots, rising to 25 knots early. Becoming northerly 15 knots later. Sea becoming rough for a time. Moderate northeast swell developing.

Issued: 6:27am Monday 20 Jan 2025

Auckland VHF Warning

Issued: 6:43am Monday 20 Jan 2025

STRONG WIND ADVISORY A59 FOR HAURAKI GULF:
Easterly rising to 25 knots gusting 35 knots about the outer Gulf, becoming 25 knots gusting 35 knots everywhere this morning. Rising to 30 knots gusting 40 knots in the outer Gulf this evening, then easing below advisory criteria Tuesday afternoon.
STRONG WIND ADVISORY A59 FOR WAITEMATA HARBOUR:
Easterly rising to 25 knots gusting 35 knots this evening, easing below advisory criteria Tuesday afternoon.
GALE WARNING A59 FOR THE AREA FROM BREAM HEAD TO CAPE COLVILLE:
Easterly 25 knots gusting 35 knots, rising to 30 knots gusting 40 knots about Colville Channel this morning. Becoming easterly 30 knots gusting 40 knots but 35 knots gusting 45 knots about the channel this afternoon, easing below advisory criteria Tuesday morning.
This warning cancels and replaces WARNING A58