Weather Forecast for Greymouth9m above sea level
Rainy and windy. Brisk West to Nor'West winds.
Now
Tonight
Tomorrow
Next 24 Hours in Greymouth
Next 9 Days in Greymouth
Day
Night
28km/h
chance
of rain
10.3mm
Day
Night
16km/h
chance
of rain
0.3mm
Day
Night
27km/h
chance
of rain
21.1mm
Day
Night
34km/h
chance
of rain
26.9mm
Day
Night
16km/h
chance
of rain
2.4mm
Day
Night
18km/h
chance
of rain
7.5mm
Day
Night
19km/h
chance
of rain
12.6mm
Day
Night
22km/h
chance
of rain
16.2mm
Day
Night
26km/h
chance
of rain
14.4mm
Comments
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Latest Video
NZ VIDEO: Several cold fronts for rest of September ā we track the next two fronts
More windy westerlies, sometimes damaging, are on the way as cold fronts with polar air continue to blast over Newā¦
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WeatherObserver on 16/09/2025 3:29am
1. How can the border of a southerly change be noticed in a weather map? For example, if in your video maps, itās the blue polar line, what about other forecastersā weather maps?
2. Why wasnāt a Strong Wind Orange Warning or even a Watch issued for Auckland by MetService last Saturday (13 September) in spite of very strong winds similar to 31 August, when a Strong Wind Orange Warning was issued?
Reply
WW Forecast Team on 16/09/2025 8:20pm
1. Itās usually measured by a steep drop off (or ramp up) in temperatures. The polar air circles Antarctica and is usually held in place south of us by high pressure ā these same highs can also work with low pressure to āsuckā that polar air northwards. We note that Dan Corbett on TV1 has also introduced the polar boundary (which is a measurement of āair thicknessā at a high elevation (5km above sea level).
2. Youād need to talk to MetService as they are tax funded to provide warnings. We warned of the Auckland gales a week in advance, and we often are the only ones to mention damaging winds in Auckland in advance.
Cheers
WW
Reply
Carla on 11/09/2025 1:55am
Interesting article from āSevere Weather Europeā about the interplay between North and South pole weather and how they influence each other.
And how a stratospheric warming event is about to unfold over the Southern Hemisphere, pushing the Polar Vortex far off center, disrupting its dynamics.
https://www.severe-weather.eu/global-weather/south-polar-vortex-stratospheric-warming-event-weather-winter-impact-usa-canada-fa/
Maybe you can explain that a bit more in one of your climate videos?
Keep up the wonderful work! Carla.
Reply
josh on 10/09/2025 11:21pm
you guys are awesome guys. do you think rainfall forecasts totals might break in local places tonight in heavy downpours,thunderstorms? heavy rain watch in place too.
Reply
Ray on 10/09/2025 9:05pm
At top of page for New Plymouth it says south easterlies but in hourly forecast it says west south west so which is correct!!!
Reply
WW Forecast Team on 10/09/2025 11:00pm
Hi Ray, sorry I canāt see what youāre seeing ā it says westerlies, turning south-east. Thereās low pressure coming into the North Island on Friday ā that means all 360 degrees of wind directions are possible in some parts of the North Island for a time.
If itās confusing at WW, please visit https://www.ruralweather.co.nz/forecasts/New%20Plymouth,%20Taranaki and you can see it more clearly how W winds today turn E tonight, then SE, then S tomorrow, before SW again on Friday PM.
Cheers
Phil D
Reply
James on 8/09/2025 11:56pm
Have a party in Auckland on Sat! Forecast seems to be changing every few hours with the latest showing light rain across the morning through to early arvo. When will we have a clearer idea of whats going to happen? Love your work
Reply
WW Forecast Team on 9/09/2025 2:32am
Hi James, check out my video today ā looks a bit showery with SW winds picking up at times. With this sort of set up it takes until closer to the day to lock it in (due to the low itself moving through on Friday) but SW winds after a low at this time of year can be gusty with showers. Thanks for the support and good luck for Saturday!
ā Phil D
Reply
WeatherObserver on 6/09/2025 6:38am
I just wanted to know what the following wind terms mean:
Blustery, fresh, strong, brisk, breezy, fairly breezy, gale, severe gale, etc. What are the differences between all of these?
Reply
WW Forecast Team on 6/09/2025 7:47am
Hi there, you can find the wind speeds that connect with those terms in the hourly section of the forecast from any day. At some point weāll get more info on our site about things like this.
Cheers
ā WW
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