Forums > General Discussion   Shooting the breeze...

MHL NSW directional spectra

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Created by makesurf > 9 months ago, 20 Jun 2020
makesurf
NSW, 239 posts
20 Jun 2020 7:00AM
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Does anyone know why MHL have stopped showing the infographic from their wave rider buoys?

This is what it looked like.
It contains more information about the surf than 10 minutes of surf cam footage.

Was I the only one using it?

makesurf
NSW, 239 posts
20 Jun 2020 7:12AM
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This is their idea of a replacement:
www.forecast.waves.nsw.gov.au/index.php




beachandbush
NSW, 405 posts
21 Jun 2020 7:38PM
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Yeh mate i used it cause it was good to see the pulses from the other directions.

i agree if it ain't broke why duck with it

Not happy Jan

makesurf
NSW, 239 posts
22 Jun 2020 12:20PM
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Select to expand quote
beachandbush said..
Yeh mate i used it cause it was good to see the pulses from the other directions.

i agree if it ain't broke why duck with it

Not happy Jan


I have emailed them previously when they went off-air for days/weeks.
I was told they had a struggle with the data.

Some time ago they changed the data from live to one hour old to clean up something, I know not what.
But to remove the directional spectra completely is very sad.

The nearshore data need to hold the zoom setting for it to be anything other than annoying.
The combination of swell appears lacking in the data and can mean the difference between a nice "ground" swell and waves that are a bunch of junk.

makesurf
NSW, 239 posts
22 Jun 2020 3:21PM
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bigmc
NSW, 250 posts
22 Jun 2020 4:57PM
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A few weeks ago I was checking MHL, Coastalwatch, Swellnet and Windy.com. They were all different. Some a little and some a lot.
eg CW ... NE swell. MHL ... SE swell. Too confusing. And now they have "improved" the MHL it will be less logical to the every Joe. Until we get used to it at least. Best bet is look at the ocean.

beachandbush
NSW, 405 posts
22 Jun 2020 6:19PM
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Yeh it's understandable.

The data is there but to interpret it to your local is what I have painstakingly studied.

Anyway I'm not retired but my local is a 10min drive and it's slways better in an incoming tide at first light on a Saturday.

See ya in the surf.

bigmc
NSW, 250 posts
24 Jun 2020 9:14AM
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Looks like it is back.

makesurf
NSW, 239 posts
28 Jun 2020 8:43PM
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Select to expand quote
bigmc said..
Looks like it is back.


Yeh!Here it is:
www.mhl.nsw.gov.au/data/realtime/wave/Buoy-syddow

Here is my explanation to round off this topic:
Reading the graphic:
Good ground swells (long period swells) have strong colour away from the middle, chop is energy towards the middle (short period).
The colour shows the amount of energy at that combination of direction and period.
A short stripy curve of the same period energy is preferable to a big blotch over a range of periods and directions.

makesurf
NSW, 239 posts
16 Jul 2020 1:56PM
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I thought I should celebrate the current swell with this graphic:


Big (the red bits), but a bit messy (the green bits)



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Forums > General Discussion   Shooting the breeze...


"MHL NSW directional spectra" started by makesurf