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Water temp this year 09

Created by windaddict windaddict  > 9 months ago, 9 Nov 2009
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windaddict
windaddict

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1121 posts

9 Nov 2009 1:28pm
The water temp has literally sky rocketed up in the last couple of weeks. Looking at previous years, this year looks like it may hit 20 degrees in the next week or so...especially with this whole weeks worth of 30+ degree days. Not sure how good that will be for sea breezes though!



windtechno
windtechno

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372 posts

9 Nov 2009 10:24pm
sharks windaddict??
scottw
scottw

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71 posts

9 Nov 2009 10:28pm
May not be great for seabreezes - not sure. But it is great for diving off the pier . And when the breezes do hit, it will be straight from the steamer to boardshorts. Shame I busted my boom on the weekend as there was a nice sou-sou-easter at Mordialloc tonight. Would have been fast and flat with a 6.5 up at 6 pm.
windtechno
windtechno

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372 posts

9 Nov 2009 10:55pm
Hey what part of mordy do ya speed sail off?? i might have a go at speed sailing at mordy one night.
echunda
echunda

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765 posts

9 Nov 2009 10:59pm
Where do you launch at Mordialloc?
scottw
scottw

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71 posts

10 Nov 2009 1:13am
Launch just south of the pier - watkins reserve/watkins road (melways 92 F3 or googlemap it) .

Good for me 'cause it is very close to home, but also good 'cause there is a nice reef just off the pier and lines of sandbars that make for good onshore jumping and backside wave riding when winds are between south and south west. Less bump on crap chop and more jump on jacked up swell. And normally there aren't too many swimmers. Just watch out for cacky water from the creek after rain and fish hooks from rods cast off the pier.

latedropeddy
latedropeddy

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417 posts

10 Nov 2009 9:19pm
My mates and I were looking at it today - pretty amazing rate of change. It would be interesting to plot solar radiation w.r.t water temp.

The snapper have been going mental at times too!

Love your work windaddict.
windtechno
windtechno

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372 posts

10 Nov 2009 9:43pm
crocks will be out soon if this temp does not go down
scottw
scottw

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71 posts

11 Nov 2009 10:03pm
north bay is now nearly 20 degrees

mid bay is 18.8.

www.earthsci.unimelb.edu.au/~awatkins/temps.html

and

"The water temperature of Port Phillip Bay had already reached 19 degrees, the bureau said. This temperature is a rise of three degrees on normal readings. The bay did not reach the same level until January last year."

www.theage.com.au/national/hot-in-the-city-melbourne-heads-for-record-november-heat-20091111-i84c.html

freaky
windtechno
windtechno

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372 posts

11 Nov 2009 10:25pm
earth quake comen windaddict?????
windjunky
windjunky

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401 posts

11 Nov 2009 11:35pm
Actually thats my graph!

I suspect that a large part of the warming (on top of the very high day AND nighttime temperatures (ie high daily mean temperatures) over a prolonged and unprecedented length off time) is due to the lack of wind during the heatwave resulting in less mixing of the water in the bay and hence a lot of heat being stored close to the surface. Wait till we get a good blow... wouldnt be surprised to see the temps drop sharply as the cooler deeper water is mixed through, though given the amount of heat stored up it'll still be warmer than average for a while yet.
Sailhack
Sailhack

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5000 posts

12 Nov 2009 9:44am
^^^ Basically the same reason why the water close to the beach is warmer at moment - no wind!

A few Sou-Easters and it should drop back a bit...(fingers crossed!)
MikeyS
MikeyS

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1509 posts

12 Nov 2009 6:43pm
Select to expand quote
windjunky said...

Actually thats my graph!

I suspect that a large part of the warming (on top of the very high day AND nighttime temperatures (ie high daily mean temperatures) over a prolonged and unprecedented length off time) is due to the lack of wind during the heatwave resulting in less mixing of the water in the bay and hence a lot of heat being stored close to the surface. Wait till we get a good blow... wouldnt be surprised to see the temps drop sharply as the cooler deeper water is mixed through, though given the amount of heat stored up it'll still be warmer than average for a while yet.


Some anecdotal evidence to support your suspicions, Andrew. A guy at work went down to Port Melbourne at lunchtine today for a swim. He said the top few feet were really warm but it was pretty cold down below that.
windtechno
windtechno

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372 posts

13 Nov 2009 12:28am
well if we cant windsurf then maybe its a good time to work on our sun tans. looks like alot of sun bakeing with the chicks and drinking alot of red bull for me in the sun. how about you guys??
Leman
Leman

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672 posts

13 Nov 2009 2:16pm
Select to expand quote
MikeyS said...

windjunky said...

Actually thats my graph!

I suspect that a large part of the warming (on top of the very high day AND nighttime temperatures (ie high daily mean temperatures) over a prolonged and unprecedented length off time) is due to the lack of wind during the heatwave resulting in less mixing of the water in the bay and hence a lot of heat being stored close to the surface. Wait till we get a good blow... wouldnt be surprised to see the temps drop sharply as the cooler deeper water is mixed through, though given the amount of heat stored up it'll still be warmer than average for a while yet.


Some anecdotal evidence to support your suspicions, Andrew. A guy at work went down to Port Melbourne at lunchtine today for a swim. He said the top few feet were really warm but it was pretty cold down below that.


I was swimming around dragging my GF on a lilo, toasty warm on surface while my legs were freezing. Still I've enjoyed sailing around in my boardies on my formula but I almost never fall off on this board.
Gary T
Gary T

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10 posts

15 Nov 2009 8:15pm
Guys... Since there was no wind I decided to check out the new Seaford artificial reef (scuba dived), made about 8 months ago. Water was toasty warm on top but you should have felt the temp gradient at around 6m. Temp dropped about 5 degrees! Quite unreal. Anyway the reef is boring as so moved off to Wooly reef off Frankston. Same again. Dramatic change at 5 m. Guessing that a week or so of cooler weather and this big rise in temp may reverse. There is plenty of cold water down there..
windjunky
windjunky

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401 posts

15 Nov 2009 10:24pm
Select to expand quote
Gary T said...

Guys... Since there was no wind I decided to check out the new Seaford artificial reef (scuba dived), made about 8 months ago. Water was toasty warm on top but you should have felt the temp gradient at around 6m. Temp dropped about 5 degrees! Quite unreal. Anyway the reef is boring as so moved off to Wooly reef off Frankston. Same again. Dramatic change at 5 m. Guessing that a week or so of cooler weather and this big rise in temp may reverse. There is plenty of cold water down there..


Yeah, as we said, a decent blow of wind and it should mix up a bit and cool down. Which will help with the seabreezes too...
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