Coastal Forecasts

Plenty

Warning: Nil

Friday: Easterly 15 knots, rising to 25 knots east of Motiti Island for a time this evening. Sea becoming rough for a time in the east. Northeast swell 2 metres offshore. Poor visibility in occasional rain.

Saturday: Easterly 15 knots, turning southerly 25 knots in the afternoon. Sea becoming rough. Northeast swell 2 metres offshore. Mostly cloudy with fair visibility in occasional showers.

Sunday: Southerly 25 knots. Sea rough.

Monday: Southerly 25 knots. Sea rough.

Tuesday: Southerly 20 knots.

Issued: 4:34pm Friday 14 Aug 2026

Colville

Warning: Nil

Friday: Southeast 20 knots. Sea moderate. Northeast swell 1 metre. Poor visibility in rain.

Saturday: Southwest 15 knots, rising to 25 knots late afternoon. Sea becoming rough. Northeast swell 1 metre. Poor visibility in rain, easing in the afternoon.

Sunday: Southwest 25 knots. Sea rough.

Monday: Southerly 25 knots. Sea rough. Southeast swell becoming moderate.

Tuesday: Southerly 20 knots. Moderate southeast swell easing.

Issued: 4:34pm Friday 14 Aug 2026

Brett

Warning: Nil

Friday: Southerly 15 knots. Sea slight. Northeast swell 1 metre. Poor visibility in rain, heavy at times.

Saturday: Southerly 15 knots, rising to southwest 25 knots in the afternoon. Sea becoming rough. Northeast swell 1 metre. Poor visibility in rain, easing in the morning.

Sunday: Southwest 25 knots. Sea rough.

Monday: Southerly 25 knots. Sea rough. Southeast swell becoming moderate.

Tuesday: Southerly 20 knots. Moderate southeast swell easing.

Issued: 4:34pm Friday 14 Aug 2026

Kaipara

Warning: Nil

Friday: Southerly 15 knots. Sea slight. Very long period southwest swell 2 metres. Poor visibility in periods of rain.

Saturday: Southerly 15 knots, rising to southwest 25 knots early morning. Sea becoming rough. Long period southwest swell rising to 3 metres. Poor visibility in occasional showers.

Sunday: Southwest 25 knots. Sea rough. Southwest swell becoming heavy.

Monday: Southerly 30 knots, easing to 20 knots late. Rough sea easing. Heavy southwest swell, becoming moderate southwest swell north of Cape Reinga.

Tuesday: Southerly 20 knots. Heavy southwest swell easing.

Issued: 4:34pm Friday 14 Aug 2026

Raglan

Warning: Nil

Friday: Variable 10 knots. Southerly 15 knots developing this evening. Sea slight. Long period southwest swell 2 metres. Poor visibility in showers.

Saturday: Southerly 15 knots, rising to 25 knots in the afternoon. Sea becoming rough. Long period southwest swell rising to 3 metres. Fair visibility in showers, clearing in the afternoon.

Sunday: Southerly 20 knots, rising to southeast 30 knots south of Kawhia Harbour early. Becoming southerly 30 knots everywhere later. Sea becoming rough. Moderate southwest swell.

Monday: North of Kawhia Harbour: Southerly 25 knots, rising to 35 knots early, then easing to 20 knots late. Elsewhere: Southerly 25 knots, easing to variable 10 knots late. Sea becoming very rough for a time in the north. Moderate southwest swell.

Tuesday: Variable 10 knots but southerly 20 knots north of Kawhia Harbour, becoming southerly 15 knots everywhere early. Rising to southerly 20 knots but 30 knots north of Kawhia Harbour later. Sea becoming rough in the north. Moderate southwest swell.

Issued: 4:34pm Friday 14 Aug 2026

Stephens

Warning: Gale warning

Friday: Southerly 20 knots. Sea moderate. West of Farewell Spit to Hawera: Long period southwest swell 2 metres. Elsewhere: Westerly swell 1 metre.

Saturday: Southeast 15 knots, rising to southwest 25 knots west of Hawera to Farewell Spit in the morning, then rising to southerly 25 knots in the east in the afternoon. Becoming southeast 35 knots in the east in the evening. Sea becoming very rough in the east. West of Farewell Spit to Hawera: Long period southwest swell rising to 3 metres. Elsewhere: Long period westerly swell rising to 2 metres. Poor visibility in evening showers.

Sunday: Southerly 20 knots but 30 knots east of Farewell Spit to Hawera, becoming southeast 25 knots but southerly 35 knots in the east early. Becoming southeast 25 knots everywhere late. Sea becoming very rough for a time in the east. Moderate westerly swell easing.

Monday: Southerly 25 knots, easing to 15 knots later. Rough sea easing.

Tuesday: Becoming variable 10 knots but southwest 20 knots east of Farewell Spit to Hawera early, then turning to southeast 20 knots in the east in the morning.

Issued: 4:34pm Friday 14 Aug 2026

Cook

Warning: Gale warning

Friday: Southerly 25 knots, easing to 15 knots this evening. Rough sea easing. Possible sea fog.

Saturday: Southerly 20 knots, rising to 45 knots in the afternoon. Sea becoming high. Southerly swell 2 metres developing. Sea fog in the morning. Poor visibility in rain from afternoon.

Sunday: Southerly 45 knots, easing to 35 knots late. High sea easing. Moderate southerly swell.

Monday: Southerly 35 knots, easing to 25 knots later. Very rough sea easing. Moderate southerly swell.

Tuesday: Southwest 30 knots, becoming southerly 20 knots but 30 knots south of Cape Terawhiti early. Becoming southerly 30 knots everywhere later. Rough sea easing for a time in the north. Moderate southerly swell.

Issued: 4:34pm Friday 14 Aug 2026

Castlepoint

Warning: Gale warning

Friday: Northeast 15 knots but variable 10 knots south of Cape Palliser. Sea slight. Easterly swell 2 metres offshore. Fair visibility in areas of rain.

Saturday: Northeast 15 knots but variable 10 knots south of Cape Palliser. Becoming southerly 25 knots in the south in the afternoon, then becoming southerly 25 knots but 35 knots in the south in the evening. Sea becoming very rough in the south. Easterly swell 2 metres. Southerly swell 2 metres developing south of Cape Palliser. Poor visibility in rain from afternoon.

Sunday: Southerly 20 knots but 30 knots south of Cape Palliser, becoming 30 knots everywhere early. Sea becoming rough everywhere. Moderate easterly swell easing. Southerly swell becoming heavy.

Monday: Southerly 25 knots. Sea rough. Heavy southerly swell.

Tuesday: Southwest 30 knots. Sea rough. Heavy southerly swell easing for a time.

Issued: 4:34pm Friday 14 Aug 2026

Portland

Warning: Nil

Friday: Northeast 25 knots. Sea rough. Northeast swell 2 metres. Poor visibility in rain, heavy at times.

Saturday: Easterly 25 knots, easing to southeast 15 knots in the evening. Rough sea easing. Northeast swell 2 metres. Poor visibility in rain.

Sunday: North of Mahia Peninsula: Southerly 20 knots, rising to 30 knots later. Elsewhere: Southerly 20 knots, rising to 30 knots early, then to 40 knots later. Sea becoming very rough in the south. Moderate northeast swell easing. Heavy southerly swell.

Monday: Southerly 35 knots. Sea very rough. Heavy southerly swell.

Tuesday: Southerly 30 knots. Sea rough. Heavy southerly swell.

Issued: 4:34pm Friday 14 Aug 2026

Abel

Warning: Nil

Friday: Variable 10 knots. Sea slight.

Saturday: Variable 10 knots. Southeast 15 knots developing north of Separation Point in the evening. Sea slight. Fair visibility in evening showers.

Sunday: Variable 10 knots but southeast 20 knots north of Separation Point. Becoming southerly 20 knots everywhere later.

Monday: Southwest 15 knots, easing to variable 10 knots early.

Tuesday: Variable 10 knots.

Issued: 4:34pm Friday 14 Aug 2026

Grey

Warning: Nil

Friday: Southwest 15 knots. Sea slight. North of Hokitika: Long period southwest swell 2 metres. Elsewhere: Long period southwest swell rising to 3 metres.

Saturday: Southwest 15 knots, rising to 25 knots offshore in the afternoon. Becoming easterly 25 knots in the evening. Sea becoming rough. Long period southwest swell rising to 4 metres. Fair visibility in showers from morning.

Sunday: Easterly 25 knots, becoming southeast 15 knots early. Becoming variable 10 knots but southerly 20 knots north of Cape Foulwind later. Rough sea easing. Heavy southwest swell easing.

Monday: Variable 10 knots but southerly 20 knots north of Cape Foulwind, becoming variable 10 knots everywhere early. Becoming variable 10 knots but southerly 20 knots north of Cape Foulwind later. Moderate southwest swell.

Tuesday: Becoming variable 10 knots early. Moderate southwest swell.

Issued: 4:34pm Friday 14 Aug 2026

Milford

Warning: Gale warning

Friday: Westerly 15 knots. Sea slight. Long period southwest swell rising to 4 metres. Fair visibility in showers.

Saturday: Westerly 15 knots, turning southerly 25 knots early morning, rising to 35 knots offshore for a time in the afternoon. Sea becoming very rough offshore for a time. Long period southwest swell rising to 5 metres. Fair visibility in morning showers.

Sunday: Southerly 25 knots. Becoming variable 10 knots but southerly 20 knots offshore late. Rough sea easing. Heavy southwest swell.

Monday: Variable 10 knots but southwest 20 knots offshore, becoming southwest 25 knots everywhere early. Becoming southerly 10 knots but 20 knots offshore late. Sea becoming rough for a time. Heavy southwest swell easing.

Tuesday: Southerly 15 knots but 25 knots offshore, becoming variable 10 knots but southerly 20 knots offshore early. Becoming southerly 20 knots everywhere later. Rough sea offshore, easing. Moderate southwest swell.

Issued: 4:34pm Friday 14 Aug 2026

Puysegur

Warning: Nil

Friday: Northwest 20 knots but 30 knots south of West Cape. Turning southwest 25 knots in the evening. Sea becoming rough everywhere. Long period westerly swell rising to 5 metres offshore. Poor visibility in evening rain.

Saturday: Southwest 25 knots, easing to 15 knots in the afternoon. Rough sea easing. Long period southwest swell 5 metres. Poor visibility in showers.

Sunday: Variable 10 knots but southerly 20 knots north of West Cape, becoming variable 10 knots everywhere early. Heavy southwest swell.

Monday: Variable 10 knots, becoming southwest 20 knots early. Becoming southwest 20 knots but southerly 30 knots north of West Cape later. Sea becoming rough in the north. Heavy southwest swell easing.

Tuesday: South of West Cape: Becoming southwest 15 knots early, then rising to 25 knots for a time. Elsewhere: Becoming southwest 15 knots early, then rising to southerly 25 knots later. Sea rough at times. Moderate southwest swell.

Issued: 4:34pm Friday 14 Aug 2026

Foveaux

Warning: Nil

Friday: Northwest 15 knots, rising to 25 knots this evening. Sea becoming rough. Long period southwest swell rising to 4 metres offshore. Northeast swell 1 metre. Poor visibility in late evening rain.

Saturday: Northwest 25 knots, changing southwest 25 knots early morning, then easing to southerly 15 knots in the afternoon. Rough sea easing. Long period southwest swell 4 metres offshore. Northeast swell 1 metre easing. Poor visibility in early morning rain.

Sunday: Variable 10 knots. Heavy southwest swell easing.

Monday: Variable 10 knots, becoming southwest 25 knots early, then easing to 15 knots late. Sea becoming rough for a time. Moderate southwest swell.

Tuesday: Southwest 20 knots, easing to variable 10 knots west of Slope Point to Shelter Point early. Moderate southwest swell.

Issued: 4:34pm Friday 14 Aug 2026

Chalmers

Warning: Nil

Friday: Variable 10 knots. Sea slight. Long period southwest swell rising to 2 metres offshore. Northeast swell 1 metre. Possible sea fog offshore this evening.

Saturday: Variable 10 knots. Southerly 20 knots developing in the morning. Sea becoming moderate. Long period southwest swell rising to 3 metres offshore. Northeast swell 1 metre easing. Poor visibility in rain easing in the morning. Possible sea fog offshore early morning.

Sunday: Southerly 10 knots, easing to variable 10 knots later. Moderate southwest swell.

Monday: Variable 10 knots, becoming southwest 20 knots early. Moderate southwest swell.

Tuesday: Southwest 20 knots. Moderate southwest swell.

Issued: 4:34pm Friday 14 Aug 2026

Rangitata

Warning: Nil

Friday: Variable 10 knots. Sea slight. Easterly swell 1 metre. Southerly swell 1 metre developing. Possible sea fog offshore this evening.

Saturday: Variable 10 knots. Southerly 20 knots developing in the afternoon. Sea becoming moderate. Long period southwest swell rising to 2 metres offshore. Easterly swell 1 metre easing. Sea fog possible in the morning. Fair visibility in showers from afternoon.

Sunday: Southerly 20 knots. Moderate southerly swell.

Monday: Southwest 15 knots, rising to 25 knots later. Sea becoming rough. Moderate southerly swell.

Tuesday: Southwest 25 knots, easing to 10 knots but 20 knots offshore late. Rough sea easing. Moderate southerly swell.

Issued: 4:34pm Friday 14 Aug 2026

Conway

Warning: Gale warning

Friday: Variable 10 knots. Sea slight. Easterly swell 1 metre. Possible sea fog this evening.

Saturday: Variable 10 knots. Southerly 15 knots developing in the morning, rising to 25 knots in the afternoon, then to 35 knots north of Kaikoura Peninsula in the evening. Sea becoming very rough in the north. Southerly swell rising to 2 metres. Easterly swell 1 metre easing. Possible sea fog in the morning. Visibility becoming poor in showers in the evening.

Sunday: Southerly 30 knots. Sea rough. Moderate southerly swell.

Monday: Southerly 25 knots, easing to southwest 15 knots south of Kaikoura Peninsula early. Becoming southwest 25 knots everywhere later. Rough sea easing for a time in the south. Moderate southerly swell.

Tuesday: Southwest 25 knots, rising to 35 knots north of Kaikoura Peninsula early. Becoming southwest 25 knots everywhere late. Sea becoming very rough in the north for a time. Moderate southerly swell.

Issued: 4:34pm Friday 14 Aug 2026

Chatham Islands

Warning: Nil

Friday: Northeast 20 knots. Sea moderate. Very long period southwest swell 1 metre. Northeast swell rising to 2 metres.

Saturday: Northeast 20 knots. Sea moderate. Long period southwest swell rising to 3 metres. Northeast swell 2 metres easing.

Sunday: Northeast 15 knots, easing to variable 10 knots early, then becoming southerly 25 knots later. Sea becoming rough. Southwest swell becoming heavy.

Monday: Southerly 30 knots. Sea rough. Heavy southerly swell.

Tuesday: Southerly 30 knots. Sea rough. Southerly swell easing, then becoming heavy.

Issued: 4:34pm Friday 14 Aug 2026