Forecasts valid to Midnight Wednesday, 23-May

Plenty

Warning: NIL

Northwest rising to 30 knots early this evening, then easing to 20 knots Wednesday morning. Becoming southwest 30 knots Wednesday afternoon.Sea rough at times. Northwest swell rising to 2 metres for a time.Poor visibility in a few showers or possible thunderstorms.

Outlook following 3 days: Tending Thursday afternoon northwest 25 knots, changing Saturday southwest 30 knots. Sea rough.

Issued: 04:42pm Tuesday, 22-May-2018

Colville

Warning: NIL

Northwest 30 knots, turning southwest 30 knots Wednesday afternoon. Rough sea. Northwest swell rising to 2 metres offshore for a time. Poor visibility in a few showers or possible thunderstorms.

Outlook following 3 days: Easing Thursday afternoon southwest 20 knots, becoming Thursday evening northwest 30 knots. Changing Saturday southwest 30 knots. Sea rough at times.

Issued: 04:42pm Tuesday, 22-May-2018

Brett

Warning: GALE

Northwest rising to 30 knots this evening,changing southwest 35 knots late Wednesday morning. Sea becoming very rough. Northwest swell rising to 2 metres for a time offshore. Poor visibility in a few showers or thunderstorms.

Outlook following 3 days: Easing Thursday morning southwest 25 knots, becoming Thursday afternoon northwest 30 knots. Changing early Saturday southwest 35 knots, easing late Saturday 25 knots. Very rough sea at times. Moderate northwest swell offshore,easing Thursday.

Issued: 04:42pm Tuesday, 22-May-2018

Kaipara

Warning: GALE

Northwest 25 knots, rising to 35 knots this evening. Changing southwest 35 knots Wednesday morning, then easing to 25 knots Wednesday evening.Sea becoming very rough for a time.Southwest swell rising to 6 metres. Northwest swell rising to 2 metres for a time. Poor visibility in showers or thunderstorms.

Outlook following 3 days: Tending Thursday afternoon northwest 25 knots, rising early Friday 35 knots.Changing late Friday southwest 35 knots, easing early Saturday 25 knots. Sea becoming very rough for a time. Heavy southwest swell.

Issued: 04:42pm Tuesday, 22-May-2018

Raglan

Warning: GALE

Northwest 25 knots, rising to northerly 35 knots early evening, then easing to southwest 30 knots Wednesday morning. Sea becoming very rough for a time. Southwest swell rising to 5 metres. Northwest swell rising to 2 metres for a time. Poor visibility showers and thunderstorms.

Outlook following 3 days: Becoming Thursday morning northwest 25 knots,rising for a time Thursday evening and Friday morning northwest 35 knots with very rough sea. Changing Friday afternoon southerly 15 knots, rising early Saturday southwest 25 knots. Heavy southwest swell.

Issued: 04:42pm Tuesday, 22-May-2018

Stephens

Warning: GALE

Northwest 40 knots, easing to westerly 20 knots Wednesday morning. Becoming southwest 30 knots west of Farewell Spit to Hawera Wednesday afternoon, and southerly 15 knots in the east in the evening. Very rough sea, easing. Southwest swell west of Farewell Spit to Hawera, rising to 5 metres. Westerly swell in the east, rising to 3 metres for a time. Northwest swell in the west,rising to 2 metres for a time. Poor visibility in rain and thunderstorms this evening.

Outlook following 3 days: Becoming Thursday morning westerly 25 knots everywhere, and Thursday afternoon northwest 40 knots with very rough sea. Easing Friday morning northwest 25 knots,changing Friday afternoon southeast 30 knots. Becoming Saturday westerly 30 knots. Heavy southwest swell the west. Westerly swell becoming heavy in the east for a time Thursday and Friday.

Issued: 04:42pm Tuesday, 22-May-2018

Cook

Warning: STORM

Northwest 40 knots, rising to northerly 50 knots for a time this evening, then easing to northwest 20 knots Wednesday morning.Becoming southerly 30 knots late Wednesday afternoon, easing to 20 knots Wednesday evening. Sea becoming high for a time. Northwest swell rising to 2 metres for a time north of Cape Terawhiti. Southerly swell 1 metre developing in the south. Poor visibility in rain and thunderstorms this evening.

Outlook following 3 days: Becoming early Thursday morning northwest 25 knots, rising late Thursday morning 45 knots with high sea. Easing Thursday evening northwest 35 knots, and early Friday 25 knots. Changing Friday afternoon southerly 20 knots, rising Friday evening 35 knots. Easing early Saturday southerly 15 knots, becoming later Saturday northwest 25 knots. Southerly swell becoming moderate for a time Thursday and Saturday.

Issued: 04:42pm Tuesday, 22-May-2018

Castlepoint

Warning: STORM

Northwest 30 knots but 40 knots south of Flat Point. Rising to northerly 35 knots but 50 knots south of Flat Point for a time this evening. Becoming northwest 30 knots but 20 knots in the south Wednesday morning, then changing southwest 25 knots everywhere from late Wednesday afternoon. Sea becoming high in the south for a time. Southwest swell 1 metre at times. Northerly swell 1 metre, but rising to 2 metres for a time offshore in the south. Poor visibility in rain for a time late this evening and Wednesday morning.

Outlook following 3 days: Becoming early Thursday morning northwest 25 knots, rising Thursday afternoon 45 knots with high sea, then easing Friday morning 30 knots. Changing Friday afternoon southwest 25 knots. Becoming Saturday northwest 25 knots. Southwest swell becoming moderate for a time Thursday and Saturday.

Issued: 04:42pm Tuesday, 22-May-2018

Portland

Warning: GALE

Northwest 20 knots, becoming northerly 35 knots this evening, then easing to northwest 25 knots but 15 knots south of Tolaga Bay Wednesday morning. Becoming southwest 25 knots everywhere Wednesday evening. Sea becoming very rough for a time.Northwest swell rising to 2 metres in the north. Southwest swell 1 metre at times. Northeast swell 1 metre for a time in the south. Poor visibility in rain for a time Wednesday morning.

Outlook following 3 days: Becoming Thursday morning northwest 20 knots, rising Thursday afternoon 30 knots.Changing late Friday southwest 15 knots, rising early Saturday 30 knots.Becoming late Saturday northwest 20 knots. Sea rough at times. Moderate northwest swell in the north at times. Southwest swell becoming moderate Saturday.

Issued: 04:42pm Tuesday, 22-May-2018

Abel

Warning: GALE

Northwest 40 knots, easing to northwest 30 knots but southwest 15 knots south of Separation Point late this evening, and to westerly 20 knots but variable 10 knots in the south Wednesday morning. Becoming southwest 25 knots everywhere late Wednesday afternoon, then easing to southwest 15 knots Wednesday evening. Sea very rough for a time. Northerly swell 1 metre for a time. Poor visibility in rain and thunderstorms this evening.

Outlook following 3 days: Becoming Thursday morning northwest 15 knots, but westerly 35 knots in the north with very rough sea, easing early Friday variable 10 knots but westerly 20 knots in the north. Changing late Friday southwest 15 knots, but southeast 15 knots in the north. Becoming late Saturday westerly 25 knots in the north

Issued: 04:42pm Tuesday, 22-May-2018

Grey

Warning: GALE

Northwest 40 knots but southwest 25 knots south of Abut Head,becoming southwest 25 knots everywhere this evening. Rising to southwest 35 knots offshore for a time Wednesday morning and afternoon. Sea very rough at times.Southwest swell rising to 5 metres.Northwest swell rising to 3 metres for a time.Poor visibility in showers or thunderstorms.

Outlook following 3 days: Becoming early Thursday morning northwest 35 knots, changing late Thursday morning southwest 40 knots, easing early Friday 15 knots. Rising Saturday southwest 30 knots. Sea becoming very rough for a time. Heavy southwest swell.

Issued: 04:42pm Tuesday, 22-May-2018

Milford

Warning: GALE

Southwest 20 knots, rising to 35 knots Wednesday morning, then easing to southwest 15 knots Wednesday evening. Sea very rough for a time. Southwest swell rising to 6 metres for a time. Northwest swell 3 metres, easing. Poor visibility in showers, with thunderstorms possible until early Wednesday morning.

Outlook following 3 days: Becoming early Thursday morning northwest 40 knots, changing Thursday afternoon southwest 40 knots,then easing Thursday evening 20 knots. Rising Friday morning southwest 40 knots, easing Friday evening 25 knots. Becoming early Saturday northwest 35 knots, changing late Saturday southwest 35 knots. Sea very rough at times. Heavy southwest swell.

Issued: 04:42pm Tuesday, 22-May-2018

Puysegur

Warning: GALE

Southwest 25 knots, rising to 35 knots Wednesday morning, then easing to southwest 15 knots Wednesday afternoon. Changing northwest 30 knots but 40 knots south of West Cape Wednesday evening. Very rough sea at times. Southwest swell rising to 6 metres for a time.Northwest swell 3 metres, easing. Poor visibility in showers, with thunderstorms possible this this evening and overnight.

Outlook following 3 days: Rising early Thursday morning northwest 50 knots with high sea everywhere, easing late Thursday morning westerly 35 knots, and Thursday afternoon 25 knots. Changing Thursday evening southerly 15 knots, rising for a time Friday 35 knots. Becoming early Saturday northwest 35 knots, changing late Saturday southwest 35 knots. Heavy southwest swell.

Issued: 04:42pm Tuesday, 22-May-2018

Foveaux

Warning: GALE

Westerly 35 knots easing to 25 knots this evening. Becoming southwest 35 knots Wednesday morning, easing to 20 knots Wednesday afternoon, and becoming northwest 25 knots in the evening. Very rough sea at times. Southwest swell rising to 4 metres.Northeast swell 1 metre developing in the east. Poor visibility in showers, with thunderstorms possible this evening and overnight.

Outlook following 3 days: Rising early Thursday morning northwest 35 knots, easing Thursday afternoon 25 knots. Changing late Thursday evening southerly 15 knots, rising for a time Friday 25 knots. Becoming early Saturday northwest 35 knots, changing late Saturday southwest 35 knots. Heavy southwest swell, easing Friday.

Issued: 04:42pm Tuesday, 22-May-2018

Chalmers

Warning: GALE

Southwest 25 knots, rising to 35 knots Wednesday morning, then easing to westerly 20 knots Wednesday evening.Very rough sea for a time. Southwest swell rising to 3 metres.Northeast swell rising to 2 metres for a time. Poor visibility in rain then showers.

Outlook following 3 days: Becoming early Thursday morning northwest 30 knots, easing Thursday evening 15 knots. Changing early Friday southwest 20 knots. Becoming early Saturday northwest 25 knots, changing late Saturday southwest 35 knots with very rough sea. Moderate southwest swell.

Issued: 04:42pm Tuesday, 22-May-2018

Rangitata

Warning: GALE

Northerly 35 knots, easing to northwest 15 knots early this evening, then changing southerly 25 knots late this evening. Southerly easing to 15 knots for a time Wednesday morning,and to 15 knots again Wednesday evening. Very rough sea, easing.Southwest swell rising to 2 metres. Northeast swell rising to 2 metres for a time offshore.Poor visibility in showers and possible thunderstorms this evening.

Outlook following 3 days: Becoming early Thursday morning northwest 25 knots. Changing early Friday southwest 25 knots. Becoming Saturday northwest 20 knots, changing late Saturday southwest 30 knots. Sea rough at times. Moderate southwest swell.

Issued: 04:42pm Tuesday, 22-May-2018

Conway

Warning: GALE

Northerly 35 knots but 45 knots north of Kaikoura. Becoming westerly 20 knots everywhere late evening, and southerly 15 knots Wednesday morning. Southerly rising to 25 knots for a time Wednesday afternoon and evening. High sea in the north,easing. Northerly swell rising to 2 metres for a time offshore.Southwest swell rising to 2 metres.Poor visibility in rain for a time late evening.

Outlook following 3 days: Becoming Thursday morning northwest 30 knots. Changing Friday morning southwest 20 knots, rising Friday afternoon 35 knots with very rough sea. Becoming Saturday northerly 15 knots, changing late Saturday southwest 30 knots. Moderate southwest swell at times.

Issued: 04:42pm Tuesday, 22-May-2018

Chatham Islands

Warning: GALE

Northwest rising to 25 knots this evening,and to 35 knots Wednesday morning. Changing southwest 15 knots Wednesday afternoon. Sea becoming very rough for a time. Northwest swell rising to 3 metres for a time. Southwest swell 2 metres, easing.Poor visibility in rain for a time Wednesday.

Outlook following 3 days: Rising early Thursday morning southwest 25 knots, then becoming Thursday afternoon northwest 25 knots. Rising early Friday northwest 35 knots with very rough sea, easing Friday afternoon westerly 15 knots. Changing early Saturday southwest 20 knots. Northwest swell becoming heavy for a time Friday. Moderate southwest swell.

Issued: 04:42pm Tuesday, 22-May-2018