Coastal Weather

Issued at 15:36 on Saturday 10 January 2026.

Abel

Weather warning: Gale warning

Saturday 10 January

Northwest 25 knots. Sea rough.

Sunday 11 January

Northwest 25 knots, rising to 35 knots in the morning. Sea becoming very rough. Poor visibility in evening showers.

Monday 12 January

Northwest 35 knots, easing to westerly 15 knots in the morning. Changing southeast 20 knots in the afternoon. Very rough sea easing.

Tuesday 13 January

Southeast 15 knots, turning northerly 10 knots early. Rising to northwest 25 knots later. Sea becoming rough.

Wednesday 14 January

Westerly 20 knots, easing to northwest 10 knots early.

Brett

Saturday 10 January

Variable 10 knots. Sea slight.

Sunday 11 January

Variable 10 knots. Northwest 15 knots developing late morning. Sea slight.

Monday 12 January

Westerly 15 knots, turning southerly 15 knots in the evening.

Tuesday 13 January

Southeast 15 knots, turning northeast 10 knots later.

Wednesday 14 January

Variable 10 knots.

Castlepoint

Weather warning: Storm warning

Saturday 10 January

Northwest 35 knots. Sea very rough. Southwest swell 1 metre. Northerly swell 1 metre developing south of Cape Palliser.

Sunday 11 January

Northwest 40 knots, rising to 50 knots south of Castlepoint in the morning. Sea becoming high in the south. Southwest swell 1 metre. Northerly swell rising to 3 metres south of Cape Palliser.

Monday 12 January

Northwest 35 knots but 45 knots south of Castlepoint. Becoming southwest 20 knots everywhere in the morning. Becoming southeast 10 knots in the afternoon. High sea in the south, easing. Southwest swell becoming moderate. Moderate northerly swell south of Cape Palliser, easing.

Tuesday 13 January

Easterly 10 knots, becoming northerly 20 knots early. Moderate southerly swell easing.

Wednesday 14 January

Northwest 20 knots, turning southwest 15 knots early. Easing to variable 10 knots late.

Chalmers

Weather warning: Gale warning

Saturday 10 January

Northeast 15 knots, rising to northerly 25 knots in the evening. Sea becoming rough. Southwest swell 2 metres. Poor visibility in rain, clearing afternoon.

Sunday 11 January

Northerly 25 knots, becoming westerly 35 knots in the morning. Sea becoming very rough. Southwest swell rising to 4 metres. Northeast swell 2 metres developing. Fair visibility in evening showers.

Monday 12 January

Southwest 30 knots, easing to westerly 20 knots in the afternoon. Rough sea easing. Heavy southwest swell easing. Moderate northeast swell easing.

Tuesday 13 January

Northwest 20 knots, easing to northerly 10 knots early. Moderate southwest swell easing.

Wednesday 14 January

Variable 10 knots. Southwest swell becoming moderate.

Chatham Islands

Saturday 10 January

Northwest 15 knots. Sea slight. Southwest swell 2 metres. Fair visibility in evening showers.

Sunday 11 January

Northwest 20 knots, rising to 30 knots in the morning. Sea becoming rough. Westerly swell rising to 4 metres. Northwest swell 2 metres developing.

Monday 12 January

Northwest 35 knots, turning southwest 30 knots in the morning, easing to 20 knots in the evening. Very rough sea easing. Northerly swell becoming moderate for a time. Heavy southwest swell.

Tuesday 13 January

Southwest 20 knots, becoming northwest 10 knots later. Heavy southwest swell easing.

Wednesday 14 January

Northerly 10 knots, rising to 20 knots early. Becoming westerly 20 knots late. Moderate southwest swell easing.

Colville

Saturday 10 January

Westerly 15 knots. Sea slight.

Sunday 11 January

Northwest 15 knots. Sea slight.

Monday 12 January

Westerly 15 knots.

Tuesday 13 January

Southwest 15 knots, easing to variable 10 knots early.

Wednesday 14 January

Variable 10 knots.

Conway

Weather warning: Storm warning

Saturday 10 January

Northwest 25 knots, rising to 35 knots in the evening. Sea becoming very rough. Southwest swell 1 metre offshore. Northeast swell 1 metres developing.

Sunday 11 January

Northwest 35 knots, rising to 50 knots north of Kaikoura Peninsula early morning. Becoming northwest 35 knots but 25 knots in the south late morning. Becoming southwest 30 knots everywhere in the evening. Sea becoming high in the north for a time. Southwest swell 1 metre. Northeast swell rising to 2 metres. Poor visibility in showers from afternoon.

Monday 12 January

Southwest 25 knots, easing to southerly 15 knots in the morning. Turning northeast 15 knots in the evening. Rough sea easing. Moderate northeast swell easing. Southerly swell becoming moderate.

Tuesday 13 January

Northerly 15 knots, becoming westerly 10 knots late. Moderate southerly swell easing.

Wednesday 14 January

Southwest 10 knots.

Cook

Weather warning: Storm warning

Saturday 10 January

Northwest 35 knots, rising to 45 knots in the evening. Sea becoming high.

Sunday 11 January

Northwest 40 knots, rising to 50 knots south of Cape Terawhiti early morning. Sea becoming high in the south. Poor visibility in late evening showers.

Monday 12 January

Northwest 35 knots but 45 knots south of Cape Terawhiti. Changing southeast 10 knots everywhere in the morning, then rising to 20 knots in the afternoon. High sea in the south, easing.

Tuesday 13 January

Easterly 15 knots, becoming northerly 25 knots but northwest 35 knots north of Cape Terawhiti early. Sea becoming very rough in the north.

Wednesday 14 January

Northwest 20 knots but 30 knots north of Cape Terawhiti, easing to 10 knots everywhere early. Rough sea in the north easing.

Foveaux

Weather warning: Storm warning

Saturday 10 January

Northerly 15 knots. Rising to northwest 40 knots in the evening. Sea becoming very rough. Southwest swell 2 metres. Poor visibility in periods of rain. Possible thunderstorms about Stewart Island from evening.

Sunday 11 January

Northwest 40 knots, rising to westerly 50 knots in the morning, then easing to southwest 35 knots in the afternoon. Sea becoming high for a time. Southwest swell rising to 5 metres for a time. Northeast swell 2 metres developing. Poor visibility in periods of rain. Possible morning thunderstorms about Stewart Island.

Monday 12 January

Westerly 30 knots. Sea rough. Moderate southerly swell developing. Moderate northeast swell easing.

Tuesday 13 January

Westerly 25 knots. Sea rough. Moderate southwest swell.

Wednesday 14 January

Westerly 20 knots, easing to southwest 10 knots early. Moderate southwest swell.

Grey

Weather warning: Gale warning

Saturday 10 January

Northwest 20 knots, rising to 30 knots south of Abut Head in the evening. Sea becoming rough. Long period westerly swell 2 metres. Poor visibility in periods of rain.

Sunday 11 January

Northwest 20 knots but 30 knots south of Abut head, rising to northwest 30 knots everywhere early morning. Becoming northwest 35 knots but southwest 25 knots south of Abut Head late morning. Becoming southwest 30 knots everywhere in the evening. Sea becoming very rough in the north for a time. Long period westerly swell rising to 4 metres. Poor visibility in heavy rain, thundery at times.

Monday 12 January

Southwest 30 knots, easing to 20 knots in the morning. Rough sea easing. Heavy westerly swell easing.

Tuesday 13 January

Southwest 15 knots. Moderate westerly swell easing.

Wednesday 14 January

Southwest 15 knots. Southwest swell becoming moderate.

Kaipara

Saturday 10 January

Variable 10 knots. Sea slight. Long period southwest swell 1 metre.

Sunday 11 January

Variable 10 knots. Northwest 15 knots developing late morning. Sea slight. Long period southwest swell rising to 2 metres.

Monday 12 January

Northwest 15 knots, turning southwest 15 knots in the morning. Turning southeast 10 knots in the evening. Moderate southwest swell.

Tuesday 13 January

Southeast 10 knots. Moderate southwest swell easing.

Wednesday 14 January

Easterly 10 knots.

Milford

Weather warning: Gale warning

Saturday 10 January

Northerly 30 knots, rising to 40 knots in the evening. Sea becoming very rough. Westerly swell 3 metres. Northerly swell 1 metre developing. Poor visibility in heavy rain. Possible thunderstorms from evening.

Sunday 11 January

Northerly 40 knots, changing to southwest 30 knots in the morning. Very rough sea easing. Long period westerly swell rising to 5 metres for a time. Poor visibility in heavy rain, thundery at times.

Monday 12 January

Southwest 25 knots, easing to 15 knots in the afternoon. Rough sea easing. Heavy westerly swell easing.

Tuesday 13 January

Westerly 15 knots. Moderate southwest swell.

Wednesday 14 January

Southwest 15 knots. Moderate southwest swell.

Plenty

Saturday 10 January

Westerly 15 knots. Sea slight.

Sunday 11 January

Northwest 15 knots. Sea slight.

Monday 12 January

Westerly 20 knots, becoming southwest 15 knots but easterly 20 knots east of White Island in the afternoon.

Tuesday 13 January

Southerly 20 knots but easterly 20 knots east of White Island.

Wednesday 14 January

Becoming westerly 10 knots everywhere early.

Portland

Saturday 10 January

Variable 10 knots but westerly 20 knots north of East Cape. Becoming northwest 15 knots everywhere in the evening. Moderate sea in the north, easing. Long period southwest swell 1 metre offshore.

Sunday 11 January

Northwest 15 knots rising to 25 knots north of East Cape in the morning. Rising to northwest 25 knots everywhere in the evening. Sea becoming rough. Southwest swell 1 metre offshore.

Monday 12 January

Northwest 25 knots, turning southwest 25 knots south of East Cape in the morning. Becoming southeast 20 knots everywhere in the afternoon. Rough sea easing. Southwest swell becoming moderate south of East Cape.

Tuesday 13 January

Southeast 15 knots, turning northeast 20 knots early. Moderate southerly swell south of East Cape.

Wednesday 14 January

Northerly 15 knots, becoming westerly 10 knots early. Moderate southerly swell south of East Cape, dying out.

Puysegur

Weather warning: Storm warning

Saturday 10 January

Northwest 35 knots, rising to 50 knots south of West Cape in the evening. Sea becoming high in the south. Southwest swell 2 metres. Northwest swell 4 metres developing. Poor visibility in heavy rain. Possible thunderstorms from evening.

Sunday 11 January

Northwest 40 knots but 50 knots south of West Cape. Becoming westerly 30 knots but 40 knots south of West Cape late morning. Becoming southwest 30 knots everywhere in the evening. High sea in the south, easing. Long period westerly swell rising to 7 metres for a time. Poor visibility in showers, heavy and thundery at times.

Monday 12 January

Westerly 30 knots, easing to 20 knots in the evening. Rough sea easing. Heavy southwest swell easing.

Tuesday 13 January

Westerly 25 knots. Sea rough. Moderate southwest swell.

Wednesday 14 January

Westerly 20 knots, easing to southwest 10 knots early. Moderate southwest swell.

Raglan

Saturday 10 January

Westerly 15 knots. Sea slight. Long period southwest swell 1 metre.

Sunday 11 January

Northwest 15 knots, rising to 25 knots in the evening. Sea becoming rough. Long period southwest swell rising to 2 metres. Fair visibility in evening showers.

Monday 12 January

Northwest 25 knots, turning southwest 20 knots in the morning. Rough sea easing. Moderate southwest swell.

Tuesday 13 January

Southwest 15 knots. Moderate southwest swell.

Wednesday 14 January

Southwest 10 knots. Moderate southwest swell easing.

Rangitata

Saturday 10 January

Northwest 25 knots. Sea rough. Southwest swell 1 metre offshore.

Sunday 11 January

Northwest rising to 30 knots in the morning. Changing southwest 30 knots in the evening. Sea rough. Southwest swell rising to 3 metres. Northeast swell rising to 2 metres. Fair visibility in showers.

Monday 12 January

Southwest 30 knots, easing to southerly 15 knots in the afternoon. Rough sea easing. Moderate southerly swell. Moderate northeast swell easing.

Tuesday 13 January

Becoming northerly 15 knots early. Turning easterly 10 knots in the morning. Moderate southerly swell easing.

Wednesday 14 January

Southeast 10 knots.

Stephens

Weather warning: Gale warning

Saturday 10 January

Westerly 20 knots but 30 knots east of Farewell Spit to Hawera. Sea rough in the east. West of Farewell Spit to Hawera: Long period westerly swell 2 metres. Elsewhere: Westerly swell 1 metre.

Sunday 11 January

Northwest 25 knots, rising to 35 knots in the afternoon. Sea becoming very rough. West of Farewell Spit to Hawera: Long period westerly swell rising to 3 metres. Elsewhere: Westerly swell rising to 2 metres. Poor visibility in evening showers.

Monday 12 January

Northwest 35 knots but turning southwest 35 knots west of Farewell Spit to Hawera early morning. Becoming southwest 25 knots everywhere late morning. Very rough sea easing. Moderate westerly swell.

Tuesday 13 January

Becoming northwest 20 knots but southwest 20 knots west of Farewell Spit to Hawera early. Rough sea easing. Moderate westerly swell easing.

Wednesday 14 January

Becoming westerly 20 knots everywhere early, easing to 10 knots late.

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