Coastal Forecasts

Plenty

Warning: Nil

Wednesday: Easterly 15 knots. Sea slight. Easterly swell 2 metres offshore. Fair visibility in a few showers.

Thursday: Northeast 15 knots. Moderate easterly swell easing.

Friday: Northerly 20 knots, rising to 30 knots later. Sea becoming rough. Northeast swell becoming moderate.

Saturday: Northerly 30 knots, becoming westerly 20 knots early. Rough sea easing. Moderate northeast swell.

Issued: 3:15am Wednesday 9 Jul 2025

Colville

Warning: Nil

Wednesday: Northeast 20 knots. Sea moderate. Easterly swell 2 metres. Fair visibility in occasional rain from afternoon.

Thursday: Northeast 20 knots. Moderate easterly swell.

Friday: Northerly 20 knots, rising to 30 knots early. Sea becoming rough. Moderate northeast swell.

Saturday: Northerly 30 knots, becoming westerly 20 knots early. Rough sea easing. Moderate northerly swell.

Issued: 3:15am Wednesday 9 Jul 2025

Brett

Warning: Nil

Wednesday: Northeast 20 knots. Sea moderate. Easterly swell 2 metres. Fair visibility in occasional rain.

Thursday: Northerly 20 knots. Moderate easterly swell.

Friday: Northerly 20 knots, rising to 30 knots early. Becoming westerly 20 knots late. Sea becoming rough for a time. Moderate northeast swell.

Saturday: Westerly 20 knots. Moderate northerly swell easing.

Issued: 3:15am Wednesday 9 Jul 2025

Kaipara

Warning: Nil

Wednesday: Northerly 20 knots but 30 knots south of Kaipara Harbour Entrance, easing to 10 knots everywhere in the evening. Sea rough in the south, easing. South of Cape Reinga: northerly swell 2 metres developing offshore. Long period southwest swell 1 metre. North of Cape Reinga: easterly swell 2 metres. Long period southwest swell 1 metre. A few showers turning to poor visibility in rain, heavy at times, in the evening.

Thursday: Northerly 15 knots. North of Cape Reinga: moderate easterly swell. Moderate northerly swell easing.

Friday: Northerly 15 knots, rising to 25 knots early. Becoming westerly 20 knots late. Sea becoming rough for a time. Northwest swell becoming moderate.

Saturday: Westerly 25 knots, easing to 15 knots late. Rough sea easing. Westerly swell becoming heavy.

Issued: 3:15am Wednesday 9 Jul 2025

Raglan

Warning: Nil

Wednesday: Northeast 25 knots. Sea rough. Northwest swell 2 metres developing offshore. Long period southwest swell 1 metre. A few showers turning to poor visibility in rain in the evening.

Thursday: Northerly 20 knots. Moderate northwest swell easing.

Friday: Northeast 20 knots, rising to 30 knots early. Becoming northwest 15 knots late. Sea becoming rough for a time. Northwest swell becoming moderate.

Saturday: Westerly 20 knots. Westerly swell becoming heavy.

Issued: 3:15am Wednesday 9 Jul 2025

Stephens

Warning: Gale warning

Wednesday: Northeast 20 knots, rising to 35 knots west of Farewell Spit to Hawera in the morning. Easing to 25 knots but 15 knots in the east late evening. Sea becoming very rough in the west, easing. West of Farewell Spit to Hawera: northerly swell 3 metres developing. Southwest swell 1 metre. East of Farewell Spit to Hawera: northwest swell 1 metre developing. Poor visibility in occasional rain.

Thursday: Northerly 15 knots, but 25 knots west of Farewell Spit to Hawera. Becoming northerly 20 knots everywhere in the morning. Rough sea in the west easing. Moderate northerly swell easing.

Friday: Northeast 15 knots, rising to 25 knots early. Becoming northwest 20 knots late. Sea becoming rough for a time. Northwest swell becoming moderate.

Saturday: Northwest 25 knots. Sea rough. Northwest swell becoming heavy.

Issued: 3:15am Wednesday 9 Jul 2025

Cook

Warning: Nil

Wednesday: Variable 10 knots. Northeast 15 knots developing in the morning. Sea slight. Southerly swell 1 metre.

Thursday: Northeast 20 knots.

Friday: Northeast 20 knots, rising to 35 knots early. Easing to northerly 25 knots late. Sea becoming very rough for a time.

Saturday: Northerly 25 knots. Sea rough.

Issued: 3:15am Wednesday 9 Jul 2025

Castlepoint

Warning: Nil

Wednesday: Northeast 20 knots. Sea moderate. Easterly swell rising to 2 metres. Long period southerly swell 1 metre. Fair visibility in patchy rain from afternoon.

Thursday: Northerly 20 knots. Moderate easterly swell.

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

Saturday: Northerly 30 knots, easing to 20 knots early. Rough sea easing. Northeast swell becoming heavy for a time.

Issued: 3:15am Wednesday 9 Jul 2025

Portland

Warning: Nil

Wednesday: Southeast 20 knots but 10 knots south of Mahia Peninsula, easing to easterly 10 knots everywhere in the afternoon. Moderate sea in the north, easing. Long period Southerly swell 2 metres offshore. Easterly swell rising to 2 metres. Fair visibility in a few showers.

Thursday: Northeast 10 knots. Moderate easterly swell.

Friday: Becoming northerly 25 knots but northeast 35 knots south of Mahia Peninsula early. Sea becoming very rough in the south. Moderate easterly swell.

Saturday: Northerly 30 knots but 40 knots south of Mahia Peninsula. Sea very rough in the south. Moderate northeast swell.

Issued: 3:15am Wednesday 9 Jul 2025

Abel

Warning: Nil

Wednesday: Northeast 20 knots. Sea moderate. Northerly swell 2 metres developing. Poor visibility in rain.

Thursday: Northeast 20 knots, easing to variable 10 knots in the morning. Moderate northerly swell easing.

Friday: Northeast 10 knots, rising to 25 knots early. Becoming northwest 10 knots late. Sea becoming rough for a time. Northerly swell becoming moderate.

Saturday: Northwest 10 knots, rising to 20 knots early. Moderate northerly swell easing.

Issued: 3:15am Wednesday 9 Jul 2025

Grey

Warning: Gale warning

Wednesday: Easterly 25 knots, rising to northeast 45 knots offshore in the morning. Becoming northeast 25 knots but northerly 15 knots offshore in the evening. Sea becoming high offshore for a time. Northerly swell 3 metres easing. Southwest swell 1 metre. Poor visibility in rain, turning to showers in the evening. Possible thunderstorms from evening.

Thursday: Northeast 20 knots, rising to 30 knots south of Abut Head in the morning. Sea becoming rough in the south. Moderate northwest swell.

Friday: Becoming northeast 25 knots everywhere early. Sea rough. Moderate northwest swell.

Saturday: Northerly 20 knots, becoming westerly 20 knots early. Northwest swell becoming heavy.

Issued: 3:15am Wednesday 9 Jul 2025

Milford

Warning: Storm warning

Wednesday: Northeast 40 knots, rising to 50 knots for a time in the morning and afternoon, then easing to 30 knots in the evening. Sea becoming high for a time. Northerly swell rising to 4 metres for a time. Southwest swell 1 metre. Poor visibility in rain from afternoon.

Thursday: Northeast 30 knots, easing to 20 knots in the morning, then rising back to 30 knots in the evening. Rough sea easing for a time. Moderate northwest swell.

Friday: Northeast 35 knots, easing to 25 knots later. Very rough sea easing. Northerly swell becoming heavy for a time.

Saturday: Northeast 25 knots, becoming northwest 20 knots early. Easing to northerly 10 knots inshore late. Rough sea easing. Northwest swell becoming heavy.

Issued: 3:15am Wednesday 9 Jul 2025

Puysegur

Warning: Gale warning

Wednesday: Northeast 25 knots, rising to 40 knots west of West Cape in the morning. Easing to northerly 30 knots but 15 knots in the east in the evening. Sea becoming very rough for a time in the west. Northerly swell rising to 3 metres for a time. Southwest swell 2 metres offshore. Poor visibility in occasional rain.

Thursday: Northerly 25 knots but 15 knots east of West Cape. Becoming northerly 20 knots everywhere in the morning. Rough sea in the west, easing. Moderate northerly swell.

Friday: Northeast 15 knots, becoming northeast 25 knots but 35 knots north of West Cape early. Sea becoming very rough in the north. Moderate northwest swell.

Saturday: Becoming northerly 25 knots everywhere early, easing to 10 knots in the morning. Rising to northwest 20 knots later. Very rough sea in the north easing. Moderate northwest swell.

Issued: 3:15am Wednesday 9 Jul 2025

Foveaux

Warning: Gale warning

Wednesday: Northeast 20 knots but 35 knots east of Slope Point to Shelter Point. Easing to northerly 20 knots everywhere in the evening. Very rough sea in the east easing. Northeast swell 2 metres developing. Southwest swell 1 metre. Fair visibility in scat afternoon and evening rain.

Thursday: Northerly 20 knots. Moderate easterly swell.

Friday: Northeast 20 knots, rising to 30 knots early. Sea becoming rough. Easterly swell becoming heavy.

Saturday: Northeast 25 knots, easing to northerly 10 knots later. Rough sea easing. Heavy easterly swell easing.

Issued: 3:15am Wednesday 9 Jul 2025

Chalmers

Warning: Nil

Wednesday: Northeast 30 knots. Sea rough. Northeast swell 2 metres developing. Southwest swell 1 metre. Fair visibility in a few morning and afternoon showers.

Thursday: Northeast 25 knots. Sea rough. Moderate northeast swell.

Friday: Northeast 20 knots, rising to 30 knots early. Sea becoming rough. Easterly swell becoming heavy.

Saturday: Northeast 30 knots, easing to 20 knots early. Becoming northwest 10 knots late. Rough sea easing. Heavy northeast swell easing.

Issued: 3:15am Wednesday 9 Jul 2025

Rangitata

Warning: Gale warning

Wednesday: Northeast 25 knots, rising to 35 knots about Banks Peninsula late afternoon. Sea becoming very rough about Banks Peninsula. Northeast swell 2 metres developing. Southwest swell 1 metre. Fair visibility in scattered afternoon rain.

Thursday: Northeast 30 knots, easing to northeast 20 knots in the morning, then to northerly 10 knots inshore in the evening. Rough sea easing. Moderate easterly swell.

Friday: Northerly 10 knots but northeast 20 knots offshore. Rising to northeast 35 knots everywhere early. Sea becoming very rough. Easterly swell becoming heavy.

Saturday: Northeast 30 knots, easing to northerly 20 knots early. Rough sea easing. Heavy easterly swell easing.

Issued: 3:15am Wednesday 9 Jul 2025

Conway

Warning: Nil

Wednesday: Northeast 20 knots, rising to 30 knots in the afternoon. Sea becoming rough. Easterly swell 2 metres developing. Southwest swell 1 metre. Fair visibility in scattered afternoon and evening rain.

Thursday: Northeast 25 knots. Sea rough. Moderate easterly swell.

Friday: Northeast 25 knots, rising to 35 knots later. Sea becoming very rough. Northeast swell becoming heavy.

Saturday: Northerly 30 knots, easing to 20 knots early. Rough sea easing. Heavy northeast swell easing.

Issued: 3:15am Wednesday 9 Jul 2025

Chatham Islands

Warning: Nil

Wednesday: Easterly 20 knots. Sea moderate. Easterly swell 3 metres. Long period southwest swell 2 metres. Fair visibility in a few showers.

Thursday: Easterly 15 knots. Moderate easterly swell.

Friday: Northeast 20 knots. Moderate easterly swell.

Saturday: Northeast 25 knots. Sea rough. Moderate northeast swell.

Issued: 3:15am Wednesday 9 Jul 2025