Coastal Forecasts and Warnings
Warnings
No Warnings In Effect
The Situation
A high pressure remains over southern and central New Zealand today and tomorrow, as a showery southeast flow over the east and north of the North Island tends gradually easterly.The high shifts to the east of New Zealand during Wednesday and Thursday, turning the flow in the north to northeasterlies, while a north to northwest flow builds elsewhere and a front stalls to the south of the country. The front begins to move up the South Island on Friday bringing a south to southwest flow to areas of the South Island.
Issued: 10:14pm Sunday 17 May 2026
Coastal Forecasts
Plenty
Warning: Nil
Monday: Southeast 15 knots. Sea slight. Southeast swell 1 metre offshore. Fair visibility in evening showers.
Tuesday: Southeast 20 knots, becoming variable 10 knots but easterly 20 knots offshore early.
Wednesday: Variable 10 knots but easterly 20 knots offshore, becoming easterly 15 knots everywhere later.
Thursday: Easterly 20 knots, easing to variable 10 knots for a time. Northeast swell becoming moderate.
Issued: 3:07am Monday 18 May 2026
Colville
Warning: Nil
Monday: Southeast 20 knots. Sea moderate. Southeast swell 1 metre. Fair visibility in showers developing in the afternoon.
Tuesday: Easterly 20 knots. Easterly swell becoming moderate.
Wednesday: Easterly 20 knots. Moderate easterly swell.
Thursday: Easterly 20 knots. Moderate northeast swell.
Issued: 3:07am Monday 18 May 2026
Brett
Warning: Nil
Monday: Southeast 20 knots. Sea moderate. Southeast swell 1 metre. Fair visibility in showers.
Tuesday: Southeast 20 knots. Easterly swell becoming moderate.
Wednesday: Easterly 20 knots. Moderate easterly swell.
Thursday: Easterly 20 knots. Moderate northeast swell.
Issued: 3:07am Monday 18 May 2026
Kaipara
Warning: Nil
Monday: Southeast 15 knots. Sea slight. Long period southwest swell 1 metre. Fair visibility in showers north of Tauroa Point.
Tuesday: Easterly 15 knots.
Wednesday: Easterly 15 knots, rising to 20 knots but 30 knots north of Cape Reinga early. Becoming easterly 20 knots everywhere later. Sea becoming rough in the north for a time.
Thursday: Easterly 25 knots, easing to easterly 15 knots south of Cape Reinga later. Rough sea easing.
Issued: 3:07am Monday 18 May 2026
Raglan
Warning: Nil
Monday: Southeast 15 knots, easing to variable 10 knots south of Tirua Point for a time in the morning and afternoon. Sea slight. Long period southwest swell 1 metre.
Tuesday: Variable 10 knots.
Wednesday: Variable 10 knots, becoming northeast 15 knots later.
Thursday: Northeast 15 knots.
Issued: 3:07am Monday 18 May 2026
Stephens
Warning: Nil
Monday: Southeast 15 knots. Sea slight. West of Farewell Spit to Hawera: Long period southwest swell 1 metre.
Tuesday: Variable 10 knots.
Wednesday: Variable 10 knots.
Thursday: Variable 10 knots, becoming northerly 20 knots west of Farewell Spit to Hawera early. Becoming variable 10 knots everywhere later.
Issued: 3:07am Monday 18 May 2026
Cook
Warning: Nil
Monday: Southeast 15 knots, easing to variable 10 knots in the afternoon. Sea slight. Southerly swell 1 metre dying out.
Tuesday: Variable 10 knots. Northerly 20 knots developing south of Cape Terawhiti later.
Wednesday: Variable 10 knots but northerly 20 knots south of Cape Terawhiti, becoming northwest 20 knots but northerly 30 knots in the south early. Sea becoming rough in the south.
Thursday: Northwest 15 knots but 25 knots south of Cape Terawhiti, becoming 15 knots everywhere late. Rough sea in the south, easing.
Issued: 3:07am Monday 18 May 2026
Castlepoint
Warning: Nil
Monday: Variable 10 knots. Sea slight. Long period southwest swell 1 metre. Fair visibility in morning showers.
Tuesday: Variable 10 knots. Northerly 15 knots developing later.
Wednesday: Northerly 15 knots, rising to 25 knots south of Cape Palliser later. Sea becoming rough in the south.
Thursday: Northerly 15 knots but 25 knots south of Cape Palliser, becoming variable 10 knots but northwest 20 knots in the south early. Becoming variable 10 knots everywhere later. Sea becoming rough in the south for a time.
Issued: 3:07am Monday 18 May 2026
Portland
Warning: Nil
Monday: Southeast 15 knots. Sea slight. North of Mahia Peninsula: Long period southerly swell 2 metres easing. Elsewhere: Long period southerly swell 1 metre. Fair visibility in showers.
Tuesday: Southeast 15 knots.
Wednesday: Variable 10 knots but southeast 20 knots north of East Cape, becoming variable 10 knots everywhere early.
Thursday: Variable 10 knots.
Issued: 3:07am Monday 18 May 2026
Abel
Warning: Nil
Monday: Variable 10 knots. Sea slight.
Tuesday: Variable 10 knots.
Wednesday: Variable 10 knots.
Thursday: Variable 10 knots.
Issued: 3:07am Monday 18 May 2026
Grey
Warning: Nil
Monday: Variable 10 knots. Sea slight. Long period southwest swell 1 metre.
Tuesday: Variable 10 knots.
Wednesday: South of Abut Head: Variable 10 knots, becoming northeast 20 knots early. Elsewhere: Variable 10 knots, becoming northeast 15 knots later.
Thursday: Becoming northeast 15 knots early, then becoming variable 10 knots but northerly 20 knots offshore in the morning. Becoming variable 10 knots everywhere later. Northwest swell becoming moderate.
Issued: 3:07am Monday 18 May 2026
Milford
Warning: Nil
Monday: Variable 10 knots. Northerly 15 knots developing south of Milford Sound in the evening. Sea slight. Long period southwest swell 1 metre.
Tuesday: Variable 10 knots, becoming northerly 20 knots early.
Wednesday: Northeast 25 knots. Sea rough. Northwest swell becoming moderate.
Thursday: Northerly 25 knots, easing to variable 10 knots early. Becoming variable 10 knots but northeast 20 knots inshore late. Rough sea easing. Moderate northwest swell.
Issued: 3:07am Monday 18 May 2026
Puysegur
Warning: Nil
Monday: Northerly 15 knots, rising to northwest 25 knots south of Puysegur Point in the afternoon. Sea becoming rough in the south. Long period southwest swell 1 metre, but rising to 2 metres south of West Cape.
Tuesday: Northerly 20 knots, rising to 25 knots but 35 knots west of West Cape early. Sea becoming very rough in the west. Moderate southwest swell south of West Cape. Moderate northwest swell developing.
Wednesday: Northerly 20 knots but 30 knots west of West Cape, rising to 30 knots but 40 knots in the west early. Sea becoming very rough in the west. Moderate northwest swell.
Thursday: South of West Cape: Becoming northerly 30 knots early, then becoming westerly 40 knots in the morning and easing to southwest 20 knots later. Elsewhere: Becoming northerly 30 knots early, then easing to variable 10 knots later. Sea very rough at times. Northwest swell becoming heavy.
Issued: 3:07am Monday 18 May 2026
Foveaux
Warning: Nil
Monday: Variable 10 knots. Northwest 15 knots developing south of Ruapuke Island in the morning. Sea slight. Long period southwest swell 1 metre.
Tuesday: Variable 10 knots, becoming northerly 15 knots later.
Wednesday: Northerly 15 knots.
Thursday: Northerly 20 knots, turning to westerly 25 knots early. Becoming variable 10 knots but westerly 20 knots east of Slope Point to Shelter Point later. Sea becoming rough for a time. Moderate southwest swell developing.
Issued: 3:07am Monday 18 May 2026
Chalmers
Warning: Nil
Monday: Variable 10 knots. Sea slight. Long period southwest swell 1 metre.
Tuesday: Variable 10 knots, becoming northerly 15 knots later.
Wednesday: Northerly 15 knots, easing to variable 10 knots later.
Thursday: Variable 10 knots, becoming northwest 15 knots for a time. Moderate southwest swell developing.
Issued: 3:07am Monday 18 May 2026
Rangitata
Warning: Nil
Monday: Variable 10 knots. Sea slight. Long period southwest swell 1 metre.
Tuesday: Variable 10 knots.
Wednesday: Variable 10 knots.
Thursday: Variable 10 knots, becoming northerly 15 knots for a time.
Issued: 3:07am Monday 18 May 2026
Conway
Warning: Nil
Monday: Northeast 10 knots. Sea slight. Long period southwest swell 1 metre.
Tuesday: Variable 10 knots.
Wednesday: Variable 10 knots, becoming northerly 15 knots later.
Thursday: Northwest 15 knots, easing to variable 10 knots early.
Issued: 3:07am Monday 18 May 2026
Chatham Islands
Warning: Nil
Monday: Southwest 15 knots. Sea slight. Long period southwest swell 3 metres easing. Fair visibility in showers.
Tuesday: Southwest 10 knots, becoming 20 knots early. Moderate southwest swell.
Wednesday: Southwest 15 knots, easing to variable 10 knots early. Moderate southwest swell.
Thursday: Variable 10 knots, becoming northwest 20 knots early. Moderate southwest swell.
Issued: 3:07am Monday 18 May 2026
Auckland VHF Warning
No Warnings In Effect