Coastal Forecasts

Plenty

Warning: Nil

Saturday: Easterly 15 knots. Sea slight.

Sunday: Northeast 15 knots. Sea slight.

Monday: Northerly 20 knots. Northerly swell becoming moderate.

Tuesday: Northwest 20 knots, easing to 10 knots late. Moderate northeast swell.

Wednesday: Northerly 15 knots, rising to 25 knots later. Sea becoming rough. Moderate northerly swell.

Issued: 12:59pm Saturday 24 May 2025

Colville

Warning: Nil

Saturday: Easterly 15 knots. Sea slight.

Sunday: Northeast 20 knots. Sea moderate. Northeast swell 1 metre developing.

Monday: Northerly 20 knots. Northeast swell becoming moderate.

Tuesday: Northerly 20 knots, easing to northwest 10 knots late. Moderate northeast swell.

Wednesday: Northwest 10 knots, rising to northerly 20 knots early, then to 30 knots later. Sea becoming rough. Moderate northerly swell.

Issued: 12:59pm Saturday 24 May 2025

Brett

Warning: Nil

Saturday: Easterly 15 knots. Sea slight. Easterly swell 1 metre.

Sunday: Northeast 20 knots. Sea moderate. Northeast swell 1 metre.

Monday: Northerly 20 knots. Northeast swell becoming moderate.

Tuesday: Northwest 15 knots. Moderate northeast swell.

Wednesday: Northerly 15 knots, rising to 25 knots early, then to 35 knots later. Sea becoming very rough. Moderate northerly swell.

Issued: 12:59pm Saturday 24 May 2025

Kaipara

Warning: Nil

Saturday: Easterly 10 knots but 20 knots north of Cape Reinga. Becoming northeast 20 knots everywhere in the evening. Sea becoming moderate everywhere. Very long period southwest swell 3 metres offshore. Northeast swell 1 metre north of Cape Reinga.

Sunday: Northeast 20 knots. Sea moderate. North of Cape Reinga: Very long period southwest swell 2 metres, easing. Northeast swell rising to 2 metre north of Cape Reinga. Elsewhere: Very long period southwest swell 2 metres, easing. Northeast swell 2 metres developing offshore.

Monday: Northerly 20 knots. Moderate northerly swell, but moderate westerly swell south of Cape Reinga.

Tuesday: Northwest 20 knots, easing to variable 10 knots early. Moderate northerly swell, but moderate westerly swell south of Cape Reinga.

Wednesday: Northeast 10 knots, rising to northerly 30 knots early. Sea becoming rough. Moderate northerly swell, but moderate westerly swell south of Cape Reinga, becoming moderate northwest swell everywhere.

Issued: 12:59pm Saturday 24 May 2025

Raglan

Warning: Nil

Saturday: Northeast 15 knots. Sea slight. Very long period southwest swell 3 metres offshore.

Sunday: Northeast 15 knots, rising to northerly 25 knots early afternoon. Sea becoming rough. Very long period southwest swell 2 metres, easing. Northwest swell 2 metres developing offshore. Fair visibility in the chance of shower.

Monday: Northerly 25 knots, becoming northerly 20 knots but westerly 10 knots south of Kawhia Harbour in the evening. Rough sea easing. Moderate northwest swell.

Tuesday: Becoming northwest 20 knots everywhere early, turning southerly 15 knots in the morning. Easing to variable 10 knots late. Moderate westerly swell.

Wednesday: Variable 10 knots, becoming northeast 25 knots early. Sea becoming rough. Moderate northwest swell.

Issued: 12:59pm Saturday 24 May 2025

Stephens

Warning: Gale warning

Saturday: Northerly 15 knots but variable 10 knots east of Farewell Spit to Hawera. Becoming northerly 15 knots everywhere in the evening. Sea slight. West of Farewell Spit to Hawera: Very long period southwest swell 3 metres offshore. Elsewhere: Long period westerly swell 1 metre.

Sunday: Northerly 15 knots, rising to 25 knots in the morning, then to 35 knots this evening. Sea becoming very rough. West of Farewell Spit to Hawera: Very long period southwest swell 2 metres, easing. Northerly swell 2 metres developing. Elsewhere: Long period westerly swell rising to 2 metres.

Monday: Northerly 30 knots, becoming northwest 25 knots but southwest 20 knots west of Farewell Spit to Hawera in the afternoon. Sea rough. Moderate northwest swell.

Tuesday: Becoming northwest 10 knots but southwest 20 knots west of Farewell Spit to Hawera early. Rough sea easing. Moderate westerly swell easing.

Wednesday: Becoming northerly 10 knots everywhere early, becoming northeast 20 knots but 30 knots in the west in the morning. Sea becoming rough in the west. Northwest swell becoming moderate.

Issued: 12:59pm Saturday 24 May 2025

Cook

Warning: Gale warning

Saturday: Northerly 15 knots, rising to 25 knots south of Cape Terawhiti in the evening. Sea becoming rough in the south. Long period southerly swell 1 metre.

Sunday: Northerly 15 knots but northwest 25 knots south of Cape Terawhiti, rising to northerly 30 knots everywhere in the morning, then to 40 knots in the evening. Sea becoming very rough. Long period southerly swell 1 metre, easing.

Monday: Northerly 35 knots, easing to 25 knots in the afternoon. Very rough sea easing. Moderate northerly swell easing.

Tuesday: Northwest 20 knots.

Wednesday: Northerly 15 knots, rising to northeast 25 knots later. Sea becoming rough.

Issued: 12:59pm Saturday 24 May 2025

Castlepoint

Warning: Gale warning

Saturday: Northerly 15 knots, rising to 25 knots south of Cape Palliser this evening. Sea becoming rough in the south. Long period southwest swell 2 metres, easing.

Sunday: Northerly 15 knots but 20 knots south of Flat Point. Becoming 20 knots but 30 knots in the south in the morning, then rising to 40 knots in the south in the evening. Sea becoming very rough. Very long period southwest swell 1 metre. Northerly swell 2 metres developing south of Cape Palliser.

Monday: Northerly 20 knots but 30 knots south of Cape Palliser, easing to 15 knots everywhere in the evening. Rough sea in the south easing.

Tuesday: Northerly 15 knots, easing to variable 10 knots for a time in the morning.

Wednesday: Northerly 20 knots. Northeast swell becoming moderate.

Issued: 12:59pm Saturday 24 May 2025

Portland

Warning: Nil

Saturday: Variable 10 knots. Northeast 15 knots developing in the evening. Sea slight. Long period southwest swell 2 metres, easing.

Sunday: Northerly 10 knots, rising gradually to 20 knots early afternoon. Sea becoming moderate. Very long period southwest swell 1 metre.

Monday: Northerly 20 knots.

Tuesday: Northerly 20 knots, easing to northwest 10 knots late. Northeast swell becoming moderate.

Wednesday: Northerly 15 knots, rising to 25 knots later. Sea becoming rough. Moderate northeast swell.

Issued: 12:59pm Saturday 24 May 2025

Abel

Warning: Nil

Saturday: Variable 10 knots. Northerly 15 knots developing in the evening. Sea slight. Fair visibility in occasional showers.

Sunday: Northwest 15 knots, rising to 25 knots in the morning. Sea becoming rough. Fair visibility in occasional showers.

Monday: Northerly 25 knots, becoming westerly 10 knots in the afternoon. Rough sea easing. Moderate northerly swell.

Tuesday: Variable 10 knots. Moderate northerly swell easing.

Wednesday: Variable 10 knots, becoming northeast 20 knots later. Northerly swell becoming moderate.

Issued: 12:59pm Saturday 24 May 2025

Grey

Warning: Gale warning

Saturday: Variable 10 knots. Northeast 15 knots developing in the afternoon. Sea slight. Very long period southwest swell 3 metres. Fair visibility in a few showers south of Hokitika.

Sunday: Northeast 15 knots, becoming northerly 25 knots everywhere in the morning, then to 35 knots in the evening. Sea becoming very rough. North of Cape Foulwind: Very long period southwest swell 3 metres, easing. Northeast swell 2 metres developing. Elsewhere: Very long period southwest swell 3 metres, easing. Northeast swell 3 metres developing. Occasional showers, with poor visibility in rain developing from afternoon.

Monday: Westerly 15 knots but northwest 30 knots north of Abut Head. Easing to southwest 10 knots everywhere in the morning. Rough sea in the north easing. Heavy northwest swell easing.

Tuesday: Southwest 10 knots, becoming northeast 10 knots but 20 knots south of Abut Head later. Moderate westerly swell.

Wednesday: Northeast 10 knots but 20 knots south of Abut Head, rising to 25 knots everywhere early. Sea becoming rough. Moderate northwest swell.

Issued: 12:59pm Saturday 24 May 2025

Milford

Warning: Gale warning

Saturday: Northerly 20 knots, rising to northeast 30 knots in the evening. Sea becoming rough. Very long period southwest swell 4 metres offshore, easing. Northwest swell 2 metres developing late. Fair visibility in showers.

Sunday: Northeast 35 knots, easing to westerly 15 knots in the evening. Very rough sea easing. Very long period southwest swell 3 metres, easing. Northwest swell rising to 4 metres. Occasional showers, with poor visibility in rain for a time in the afternoon and early evening. Possible thunderstorms from evening.

Monday: Westerly 20 knots, easing to 10 knots in the afternoon. Heavy northwest swell.

Tuesday: Westerly 10 knots, becoming northerly 15 knots early. Rising to northeast 25 knots later. Sea becoming rough. Heavy westerly swell dying out. Moderate northerly swell developing.

Wednesday: Northeast 30 knots, becoming southeast 10 knots but easterly 20 knots offshore later. Rough sea easing. Northerly swell becoming heavy.

Issued: 12:59pm Saturday 24 May 2025

Puysegur

Warning: Storm warning

Saturday: Northwest 20 knots, rising to northerly 30 knots in the morning, then to 40 knots in the evening. Sea becoming very rough. Very long period southwest swell 4 metres, easing. Northwest swell 2 metres developing late. Fair visibility in showers.

Sunday: Northerly 40 knots, rising to 50 knots for a time in the morning and early afternoon. Then easing to westerly 20 knots in the evening. Sea becoming high for a time. Very long period southwest swell 2 metres. Northwest swell rising to 5 metres for a time. Occasional showers, with poor visibility in rain for a time in the afternoon and early evening. Possible thunderstorms from evening north of West Cape.

Monday: Northwest 20 knots, rising to westerly 35 knots in the morning. Becoming westerly 15 knots but 25 knots south of West Cape in the afternoon. Sea becoming very rough for a time. Heavy westerly swell.

Tuesday: Becoming northwest 40 knots but 30 knots south of West Cape early. Easing to northerly 25 knots everywhere in the morning. Sea becoming very rough for a time. Heavy westerly swell easing.

Wednesday: Northerly 25 knots, becoming southwest 10 knots but southeast 20 knots west of West Cape later. Rough sea easing. Moderate northwest swell dying out. Moderate southwest swell developing.

Issued: 12:59pm Saturday 24 May 2025

Foveaux

Warning: Gale warning

Saturday: Westerly 15 knots, turning northerly 15 knots in the afternoon. Sea slight. Very long period southwest swell 3 metres.

Sunday: Northwest 15 knots, rising to 25 knots in the morning, then to 35 knots for a time in the afternoon. Easing to northwest 15 knots in the evening. Sea becoming very rough for a time. Very long period southwest swell 3 metres offshore. Poor visibility in scattered rain developing from afternoon.

Monday: Northwest 20 knots, rising to westerly 30 knots in the morning. Sea becoming rough. Moderate southwest swell.

Tuesday: Northwest 25 knots, easing to northerly 15 knots late. Rough sea easing. Moderate southwest swell easing.

Wednesday: Northerly 15 knots, easing to variable 10 knots later. Southwest swell becoming moderate.

Issued: 12:59pm Saturday 24 May 2025

Chalmers

Warning: Nil

Saturday: Northwest 10 knots, becoming northeast 20 knots in the afternoon. Sea becoming moderate. Very long period southwest swell 2 metres offshore.

Sunday: Northerly 20 knots, rising to 30 knots in the afternoon. Sea becoming rough. Very long period southwest swell 2 metres offshore, easing. Poor visibility in patchy evening rain.

Monday: Northerly 20 knots, becoming westerly 20 knots in the morning. Moderate southwest swell developing.

Tuesday: Westerly 15 knots, becoming northerly 20 knots early, easing to 10 knots late. Moderate southwest swell dying out.

Wednesday: Northerly 15 knots, easing to variable 10 knots later. Northeast swell becoming moderate.

Issued: 12:59pm Saturday 24 May 2025

Rangitata

Warning: Nil

Saturday: Variable 10 knots. Northerly 15 knots developing in the evening. Sea slight. Very long period southwest swell 2 metres offshore, easing.

Sunday: Northerly 15 knots, rising to 25 knots late morning north of Timaru, then everywhere in the evening. Sea becoming rough everywhere. Very long period southwest swell 1 metre. Northeast swell 1 metre developing.

Monday: Northerly 25 knots, becoming northwest 10 knots but 20 knots offshore in the morning. Becoming northeast 10 knots everywhere in the afternoon. Rough sea easing.

Tuesday: Northerly 10 knots.

Wednesday: Northeast 10 knots. Northeast swell becoming moderate.

Issued: 12:59pm Saturday 24 May 2025

Conway

Warning: Gale warning

Saturday: Northerly 15 knots but variable 10 knots west of Kaikoura Peninsula. Becoming northerly 25 knots but northerly 15 knots in the west in the evening. Sea becoming rough in the east. Very long period southwest swell 1 metre.

Sunday: Northerly 15 knots but 25 knots east of Kaikoura Peninsula, rising to 35 knots in the east in the evening. Sea becoming very rough in the east. Very long period southwest swell 1 metre. Northeast swell 2 metres developing.

Monday: Northerly 30 knots, easing to northwest 15 knots in the morning, then to variable 10 knots in the afternoon. Rough sea easing. Moderate northeast swell easing.

Tuesday: Variable 10 knots.

Wednesday: Northerly 10 knots, rising to northeast 20 knots early. Northeast swell becoming moderate.

Issued: 12:59pm Saturday 24 May 2025

Chatham Islands

Warning: Nil

Saturday: Southwest 20 knots. Sea moderate. Long period southwest swell 4 metres, easing. Fair visibility in a few showers.

Sunday: Westerly 15 knots, rising to northwest 25 knots in the afternoon. Sea becoming rough. Long period southwest swell 3 metres.

Monday: Northwest 25 knots. Sea rough. Moderate westerly swell.

Tuesday: Northwest 25 knots, easing to 15 knots early. Changing easterly 10 knots later. Rough sea easing. Moderate westerly swell.

Wednesday: Variable 10 knots, becoming northerly 15 knots later. Moderate westerly swell dying out. Moderate northerly swell developing.

Issued: 12:59pm Saturday 24 May 2025