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Old 09-28-2017, 12:19 PM   #1
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7’ to 9’ seas??? That’s nothing!

We are headed to Block Island in the remnants of Hurricane Maria.
Wind on our tail gusting over 20 knots, seas 6’ to 9’ with a long 12 second period. This is a cake walk!
The audio in our he video is absolutely awful. The boat is delightful at these speeds.
Bruce

https://youtu.be/yTkCJU98uUI
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Old 09-28-2017, 12:23 PM   #2
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Did mention that it is a cakewalk?
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Old 09-28-2017, 12:25 PM   #3
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Wow the all-glass helm is beautiful. However in the video link the seas are 6-9 inches.
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Old 09-28-2017, 12:49 PM   #4
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Wow the all-glass helm is beautiful. However in the video link the seas are 6-9 inches.
The best seas were off of Point Judith where the bottom shelves a bit.
There is no question that we did not capture the seas in our video though.
We’re approaching BI now and it is beginning to flatten out...
It was fun while it lasted!
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Old 09-28-2017, 01:00 PM   #5
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The true sign aboard Esmeralde of rough seas...
Bruce
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Old 09-28-2017, 01:06 PM   #6
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Looks great you guys.

What direction were the waves going compared to you? Were the waves coming from the stern as well? How was your speed compared to the speed of the waves?

I have NO experience with that kind of sea state. I never see anything as high as 6-9 feet and never see a period that long.
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Old 09-28-2017, 01:13 PM   #7
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Great video Bruce. Thanks for sharing.


Cheers.


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Old 09-28-2017, 01:17 PM   #8
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Get enuff time between sets and its a piece of cake, now 8 footers at 7-8 seconds is a big difference.
Glad you got to experience seas like that.
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Old 09-28-2017, 01:22 PM   #9
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Quote:
Originally Posted by Bruce B View Post
We are headed to Block Island in the remnants of Hurricane Maria.
Wind on our tail gusting over 20 knots, seas 6’ to 9’ with a long 12 second period. This is a cake walk!
The audio in our he video is absolutely awful. The boat is delightful at these speeds.
Bruce

https://youtu.be/yTkCJU98uUI
Bruce,

What is the size of your boat, beam, length and weight? And sounds like you had the wind about 65d off your port side. I'd think that would give a fairly rough ride....

But sure looks pretty smooth.

I don't like big waves like that but would rather take them head on. And for the most part, I'll avoid much over 6 feet head on, or 4 ft at 90d. And the admiral doesn't like them either.

Good pictures!
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Old 09-28-2017, 01:24 PM   #10
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Guaranteed 6-9's on Lake Michigan will kick that tug's butt..
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Old 09-28-2017, 02:49 PM   #11
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Guaranteed 6-9's on Lake Michigan will kick that tug's butt..
We 8's on Huron one day in early August.
They were coming over the rock wall that surrounds the harbour.
We knew this because the locals said 8s are when they start coming over.

There was no way in hell I was going out there, turned on a movie and prepared for a nap.
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Old 09-28-2017, 03:06 PM   #12
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Here's 8-9' waves on the Columbia River.....



Not exactly a piece of cake......
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Old 09-28-2017, 04:13 PM   #13
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The boat certainly rides it nicely, Bruce.

It's always tough to estimate the sea state. A long interval period always makes the swell much more tame.

I had a look through my video's for similar conditions. I never seem to think of the camera when things get really ugly. Here's a video of slightly smaller waves but with a shorter period, mostly looking out the port side window. Perhaps a 6-7 foot swell at 10 seconds

The waves were about 30 degrees off the starboard bow, so I had a reefed mainsail up to provide a bit of steadying. It did get a bit ugly later that evening when the wind and swell increased and waves started breaking.
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Old 09-28-2017, 05:11 PM   #14
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Was that the forecast? (Around here they seem to over-estimate on a regular basis.) How far off the water is your wheelhouse? If it's 9' I'd expect the shore or horizon to have been disappearing once in a while behind wave crests in 9' seas...

First day of ownership we had spray over the wheelhouse
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Old 09-28-2017, 06:56 PM   #15
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That's not a full displacement hull, you should have been afraid for your lives!
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Old 09-28-2017, 08:57 PM   #16
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I hate to comment but 9' seas are in none of these videos. You know wave height is calculated from the 0 to the top, not from bottom to top
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Old 09-28-2017, 09:32 PM   #17
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I hate to comment but 9' seas are in none of these videos. You know wave height is calculated from the 0 to the top, not from bottom to top

Not sure what you mean by zero, but wave height if from the trough to the crest.

So a 6 foot wave were superimposed over calm water, it would be 3 feet above and 3 feet below.

As defined by the NWS... good enough for me.
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Old 09-28-2017, 09:53 PM   #18
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Amplitude, height...whatever it takes.
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Old 09-28-2017, 10:21 PM   #19
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You know wave height is calculated from the 0 to the top, not from bottom to top
Wrong.

Now, I'll agree Bruce's video wasn't 9'. He agreed and said he didn't get video on the 9' ones. Couldn't see enough to say on the others.

Very difficult to estimate wave height. A 6' with a long period won't look anything like one with a short period.
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Old 09-28-2017, 10:21 PM   #20
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Not sure what you mean by zero, but wave height if from the trough to the crest.

So a 6 foot wave were superimposed over calm water, it would be 3 feet above and 3 feet below.

As defined by the NWS... good enough for me.


Exactly. Trough to peak is the wave height.
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