Coastal Weather

Issued at 01:01 on Friday 18 July 2025. Valid for Friday.

Valid from 01:01 on Friday 18 July 2025 until 00:12 on Saturday 19 July 2025.

Abel

Friday : Southeast 15 knots, easing to variable 10 knots in the morning. Westerly 15 knots developing north of Separation Point in the evening. Sea slight.

Outlook following 3 days: Saturday: Southwest 10 knots, turning southeast 15 knots in the morning. Sunday: Southerly 10 knots. Monday: Variable 10 knots.

Brett

Friday : Southwest 30 knots, easing to 15 knots in the afternoon. Rough sea easing. Northwest swell 2 metres, easing. Fair visibility in a few morning showers.

Outlook following 3 days: Saturday: Southerly 15 knots, easing to variable 10 knots in the morning. Sunday: Variable 10 knots, becoming easterly 15 knots later. Monday: Easterly 10 knots, rising to southeast 20 knots early.

Castlepoint

Friday : Southeast 15 knots, easing to variable 10 knots in the evening. Sea slight. Southeast swell 2 metres at times.

Outlook following 3 days: Saturday: Southerly 10 knots. Moderate southeast swell easing. Sunday: Southerly 10 knots, rising to southwest 20 knots later. Monday: Southerly 20 knots. Southerly swell becoming moderate.

Chalmers

Friday : Westerly 15 knots, turning northerly 15 knots in the morning, then returning to westerly 15 knots in the evening. Sea slight. Long period southwest swell 2 metres.

Outlook following 3 days: Saturday: Westerly 15 knots. Moderate southerly swell. Sunday: Westerly 10 knots. Moderate southerly swell. Monday: Northwest 10 knots, rising to westerly 20 knots later. Moderate southerly swell.

Chatham Islands

Friday : Variable 10 knots. Southeast 15 knots developing in the morning. Sea slight. Long period southwest swell 2 metres. Easterly swell 2 metres.

Outlook following 3 days: Saturday: Southerly 20 knots. Moderate southerly swell. Moderate easterly swell easing. Sunday: Southerly 20 knots. Moderate southerly swell. Monday: Southerly 25 knots. Sea rough. Moderate southerly swell.

Colville

Friday : Southwest 25 knots but 35 knots north of Great Barrier Island, easing 25 knots everywhere early morning, then to 15 knots in the evening. Very rough sea in the north easing. Northwest swell 2 metres, easing. Fair visibility in a few morning showers.

Outlook following 3 days: Saturday: Southwest 15 knots, easing to variable 10 knots in the morning. Sunday: Southeast 10 knots. Monday: Variable 10 knots, becoming southerly 15 knots early.

Conway

Friday : Variable 10 knots. Northeast 15 knots developing in the morning. Sea slight. Southeast swell 2 metres at times.

Outlook following 3 days: Saturday: Variable 10 knots. Sunday: Westerly 10 knots, turning southerly 15 knots later. Monday: Southerly 15 knots.

Cook

Friday : Southeast 20 knots, easing to variable 10 knots in the morning. Northerly 15 knots developing late evening. Moderate sea easing. Southerly swell 1 metre.

Outlook following 3 days: Saturday: Northwest 10 knots, changing southeast 15 knots in the morning. Sunday: Southerly 15 knots, becoming variable 10 knots but southwest 20 knots south of Cape Terawhiti later. Monday: Becoming southerly 30 knots but 20 knots south of Cape Terawhiti early, easing to 15 knots everywhere later. Sea becoming rough for a time.

Foveaux

Friday : Northwest 15 knots, rising to 25 knots for a time late afternoon and evening. Sea becoming rough. Long period southwest swell 3 metres. Poor visibility in occasional evening rain.

Outlook following 3 days: Saturday: Westerly 20 knots, easing to 10 knots in the evening. Moderate southwest swell. Sunday: Northwest 10 knots. Moderate southwest swell. Monday: Northerly 15 knots, becoming westerly 20 knots later. Moderate southwest swell.

Grey

Friday : Variable 10 knots. Northeast 15 knots developing inshore late evening. Sea slight. Very long period southwest swell rising to 3 metres. Poor visibility in evening rain south of Abut Head.

Outlook following 3 days: Saturday: Westerly 15 knots, but northeast 15 knots inshore, changing southwest 15 knots everywhere in the morning. Moderate westerly swell. Sunday: Variable 10 knots. Moderate southwest swell. Monday: Becoming southwest 15 knots early. Moderate southwest swell.

Kaipara

Friday : Southwest 25 knots, easing to 15 knots in the afternoon. Rough sea easing. Very long period southwest swell 3 metres. Fair visibility in a few morning showers.

Outlook following 3 days: Saturday: Southwest 15 knots, easing to variable 10 knots in the afternoon. Moderate southwest swell. Sunday: Variable 10 knots, becoming easterly 15 knots early. Moderate southwest swell. Monday: Southeast 20 knots. Moderate southwest swell.

Milford

Friday : Northeast 20 knots. Changing westerly 15 knots around midday, then becoming northerly 20 knots for a time late afternoon and evening. Moderate sea at times. Very long period southwest swell rising to 3 metres. Poor visibility in occasional rain.

Outlook following 3 days: Saturday: Southwest 15 knots. Becoming southwest 10 knots everywhere in the morning. Moderate westerly swell. Sunday: Southwest 10 knots. Moderate westerly swell. Monday: Westerly 10 knots, rising to southwest 20 knots later. Moderate westerly swell.

Plenty

Friday : Southerly 20 knots, rising to 30 knots offshore early morning, easing to southwest 20 knots everywhere in the afternoon. Sea becoming rough for a time offshore. Northwest swell 2 metres offshore, easing. Poor visibility in morning showers.

Outlook following 3 days: Saturday: Southwest 15 knots, turning southeast 10 knots in the evening. Sunday: Variable 10 knots. Monday: Variable 10 knots, becoming southerly 15 knots early.

Portland

Friday : Southeast 25 knots, rising to southerly 35 knots north of Mahia Peninsula for a time in the morning and afternoon. Easing to southwest 15 knots in the south in the evening. Sea becoming very rough for a time in the north. North of East Cape: Southeast swell rising to 4 metres for a time. Northwest swell 2 metres, easing. South of East Cape: Southeast swell rising to 3 metres for a time. Poor visibility in morning rain. Possible thunderstorms about East Cape before dawn.

Outlook following 3 days: Saturday: Southerly 20 knots. Moderate southeast swell. Sunday: Southerly 15 knots. Moderate southeast swell. Monday: Southwest 15 knots, rising to 25 knots early. Sea becoming rough. Moderate southerly swell.

Puysegur

Friday : Westerly 20 knots, rising to northerly 30 knots for a time in the morning and again for a time in the afternoon. Sea becoming rough for a time. Very long period southwest swell rising to 4 metres. Poor visibility in occasional rain.

Outlook following 3 days: Saturday: Westerly 20 knots, easing to 10 knots in the afternoon. Heavy westerly swell easing. Sunday: Northwest 10 knots, rising to 20 knots early. Moderate westerly swell. Monday: Northwest 20 knots, becoming southwest 15 knots but westerly 25 knots south of West Cape later. Sea becoming rough in the south. Westerly swell becoming heavy.

Raglan

Friday : Southerly 20 knots, easing to 10 knots in the evening. Moderate sea easing. Very long period southwest swell rising to 3 metres. Fair visibility in a few morning showers.

Outlook following 3 days: Saturday: Southerly 15 knots. Moderate southwest swell. Sunday: Southeast 10 knots. Moderate southwest swell. Monday: Southerly 15 knots. Moderate southwest swell.

Rangitata

Friday : Variable 10 knots. Northerly 15 knots developing in the morning. Sea slight. Southerly swell 2 metres at times.

Outlook following 3 days: Saturday: Northerly 15 knots, turning southwest 15 knots early morning. Moderate southeast swell easing. Sunday: Southwest 10 knots. Monday: Variable 10 knots.

Stephens

Friday : Southerly 20 knots, turning westerly 15 knots in the afternoon. Moderate sea easing. West of Farewell Spit to Hawera: Very long period southwest swell rising to 3 metres. East of Farewell Spit to Hawera: Long period westerly swell rising to 2 metres.

Outlook following 3 days: Saturday: Southwest 10 knots, turning southeast 15 knots in the afternoon. Moderate westerly swell easing. Sunday: Easterly 15 knots, turning southerly 10 knots later. Westerly swell becoming moderate. Monday: Southerly 10 knots. Moderate westerly swell.

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