9 foot waves with a 6 second period currently on Lake Ontario - SailNet Community
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post #1 of 74 Old 11-01-2019 Thread Starter
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9 foot waves with a 6 second period currently on Lake Ontario

I can't imagine that would be any fun.
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post #2 of 74 Old 11-01-2019
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Re: 9 foot waves with a 6 second period currently on Lake Ontario

Those smaller Great Lakes are the spookiest waters I’ve travelled. Big water, long fetches, shallow waters. Large, steep and high frequency seas can build very quickly. Definitely not something to be treated lightly.
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Re: 9 foot waves with a 6 second period currently on Lake Ontario

Just checked windy.com. Eastern Lake Ontario currently has significant wave heights of 19 feet with sustained winds of 41 knots.
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Re: 9 foot waves with a 6 second period currently on Lake Ontario

Look at eastern seaboard. Starting Thursday and continuing for awhile wave heights are shocking. Timing departures for Bermuda, Bahamas and eastern Caribbean from pretty much anywhere on the east coast is going to be a challenge this year.
Think insurance companies are stupid. The artificial November first date no longer makes any sense. Close friend on sistership just did Naragansett to chessie. Left Monday got in Wednesday and just missed total snot leaving just after a front and arriving just before the next.
Everywhere it’s the same thing. Much shorter windows. Much more aggressive weather. Welcome to the new normal from man made climate change.
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Re: 9 foot waves with a 6 second period currently on Lake Ontario

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Originally Posted by Arcb View Post
Just checked windy.com. Eastern Lake Ontario currently has significant wave heights of 19 feet with sustained winds of 41 knots.
19 feet! That is crazy to see that on a lake.

Here's the info from a weather buoy: https://www.ndbc.noaa.gov/station_pa...?station=45159

This is only half the fetch of where Arcb is. But you can see how quickly it built to 13 feet.

Edit for more. https://www.ndbc.noaa.gov/station_pa...?station=45135
This is further down the lake. Now at 21 feet with a 10 second period.

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post #6 of 74 Old 11-01-2019
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Re: 9 foot waves with a 6 second period currently on Lake Ontario

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19 feet! That is crazy to see that on a lake.

Here's the info from a weather buoy: https://www.ndbc.noaa.gov/station_pa...?station=45159

This is only half the fetch of where Arcb is. But you can see how quickly it built to 13 feet.

Edit for more. https://www.ndbc.noaa.gov/station_pa...?station=45135
This is further down the lake. Now at 21 feet with a 10 second period.
Yeah… like I say, it’s the speed of the changes that are so freaky. It can go from calm to “Holy Crap!” in a very short time.

Why go fast, when you can go slow.
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post #7 of 74 Old 11-01-2019
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Re: 9 foot waves with a 6 second period currently on Lake Ontario

Can't do a screen shot from my tablet, but marine traffic shows about 8 or 9 ships anchored in the lee of the escarpment between Niagara on Hamilton. One ship out on the lake, about 15 miles south of Oakville. East bound, the Federal Danube.
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post #8 of 74 Old 11-01-2019
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Re: 9 foot waves with a 6 second period currently on Lake Ontario

"9 foot waves with a 6 second period currently on Lake Ontario"
We call 'em square waves on the Great Lakes.
-CH
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post #9 of 74 Old 11-02-2019
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Re: 9 foot waves with a 6 second period currently on Lake Ontario

I've always hated leaving Newport after November 1st for Bermuda. Being such a short trip to Bermuda, there's very little chance of not having a pretty good weather window leaving significantly earlier even considering it's still hurricane season. I actually had a pretty mellow trip the last time we left Newport October 8th. But it certainly wasn't a pleasure cruise. If our boat speed under sail dropped to 6 knots; on came the engine!

"Any idiot can make a boat go; it takes a sailor to stop one." Spike Africa aboard the schooner Wanderer in Sausalito, Ca. 1964.
“Believe me, my young friend, there is nothing - absolutely nothing - half so much worth doing as simply messing about in boats.” ― Kenneth Grahame, The Wind in the Willows

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post #10 of 74 Old 11-02-2019
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Re: 9 foot waves with a 6 second period currently on Lake Ontario

Some song about "when the gales of November come early"...
I know, Gordon Lightfoot. I love that song. Glad Im not on that water right now in my little boat.
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