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Chris 249 said..
Yep, Canberra's sea breezes are damn nice considering how far inland they are; surprisingly close in strength and consistency to the ones you get around Dobroyd in Sydney which is only a few ks from the Harbour Bridge.
www.canberratimes.com.au/story/6036171/tim-the-yowie-man-summer-saviour/" Fact File
It's all in a name: According to Simon Louis, a meteorologist with the Bureau of Meteorology, our cooling summer breeze is officially referred to as 'The Canberra Easterly'. "We might be lacking in imagination," admits Louis, adding, "we could probably adopt one of its nicknames, I especially like the Braidwood Bliss."
What causes it? While not technically a sea breeze, according to Louis, "The Canberra Easterly' is a gravity wave caused by cooler sea air building up against the eastern slopes rushing in underneath a hot inland air mass."
How far inland does it extend? "As it can be self-perpetuating, a really strong Canberra Easterly can extend as far inland as Wagga Wagga, bringing residents of the Riverina town relief from the heat as late as midnight," explains Louis.
What about the salt? There may be science to Helm's theory after all. According to Louis "it's a maritime air mass that triggers it, so it's completely plausible it also carries salt."
No it's not technically a sea breeze. A sea breeze comes in at 45 degrees to the left as you look out to sea in the southern hemisphere. And swings a little further left later in the afternoon due to the Coriolis effect. On the NSW coast it's a noreaster. The Canberra Easterly is more often associated with a southerly down on the coast.
Miss those Canberra easterlies. Especially when Scotty packed the esky.