Weather Forecast for Nelson14m above sea level
Partly cloudy. Breezy Northerly winds.
Now
Today
Tonight
Next 24 Hours in Nelson
Next 9 Days in Nelson
Day
Night
37km/h
chance
of rain
54.3mm
Day
Night
26km/h
chance
of rain
31.4mm
Day
Night
17km/h
chance
of rain
10.5mm
Day
Night
15km/h
chance
of rain
9.7mm
Day
Night
19km/h
chance
of rain
6.5mm
Day
Night
20km/h
chance
of rain
7mm
Day
Night
20km/h
chance
of rain
8.6mm
Day
Night
20km/h
chance
of rain
2.6mm
Day
Night
19km/h
chance
of rain
6.5mm
Comments
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Doug on 18/09/2025 5:17am
Why is there such wildly different forecasts from Metservice and Weatherwatch?
Reply
josh on 17/09/2025 10:22pm
hey there phillip. i been looking at the weather models for next week and some are showing a atmosphric river bearing down hence the rain icon on the auckland forecasts . looks like tasmin/nelson could see the return of severe rain next week after a nearly 2 month break?
Reply
WW Forecast Team on 17/09/2025 11:01pm
Hey Josh – I mention this in today’s video (Thursday). Will be published before noon.
Cheers
Phil
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josh on 17/09/2025 11:28pm
thanks. because of you phillip and this site which i have seen grown since i came across in 2019 i have become a close wetaher follower and really enjoyed your posts and news stories about wetaher events like auckland floods and cyclones. keep it up.
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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, it’s the blue polar line, what about other forecasters’ weather maps?
2. Why wasn’t 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. It’s 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 – these same highs can also work with low pressure to “suck” that polar air northwards. We note that Dan Corbett on TV1 has also introduced the polar boundary (which is a measurement of “air thickness” at a high elevation (5km above sea level).
2. You’d 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 “Severe Weather Europe” 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
Paul on 17/09/2025 12:58am
This is a good explainer by a Climate Scientist of repute.
https://youtu.be/nBtwLXmRbE8?si=m5cbDJSgXFxn5n1V
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.
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