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Rate the rough water?

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Old 10-13-2010, 10:16 AM
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Last pics I would say "dead flat". But the sunset is beautiful.
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Old 10-13-2010, 10:20 AM
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Quote:
Originally Posted by catastrophe View Post
But if I'm in rollers like in the pic and I am NOT launching the boat into the air and I fall 4 ft. into a hole where the boat rides next in the water, am I not in 4 ft. waves ?

Am I in 2 ft waves?
according the everyone on THT that is correct......and remember, I was in a Top Gun running beside a Tiger and at 70 we were getting 1-2 boat lengths of undisturbed water under the boat.
A number of other photos were posted and all had the same results. They claim was also made that true 3-4 footers would require enough wind to create that they WOULD have significant white caps.

Here are a couple of the photos I posted and was told they were 1-2's: linked from Randy Nuzzo's site.

http://photos.powerboatphotos.com/p2...69151#hf3ea188

http://photos.powerboatphotos.com/p2...9151#h111d7d45

http://photos.powerboatphotos.com/p2...9151#h12049c9b

Last edited by t500hps; 10-13-2010 at 10:23 AM.
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Old 10-13-2010, 10:26 AM
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Quote:
Originally Posted by catastrophe View Post
But if I'm in rollers like in the pic and I am NOT launching the boat into the air and I fall 4 ft. into a hole where the boat rides next in the water, am I not in 4 ft. waves ?

Am I in 2 ft waves?
Theoretically yes, ...see chart below

Wave Anatomy:

* Still-Water Line - The level of the sea surface if it were perfectly calm and flat.
* Crest - The highest point on the wave above the still-water line.
* Trough - The lowest point on the wave below the still-water line.
* Wave Height - The vertical distance between crest and trough.
* Wavelength - The horizontal distance between successive crests or troughs.
* Wave Period - The time it takes for one complete wave to pass a particular point.
* Wave Frequency - The number of waves that pass a particular point in a given time period.
* Amplitude - One-half the wave height or the distance from either the crest or the trough to the still-water line.
* Depth - the distance from the ocean bottom to the still-water line.
* Direction of Propagation - the direction in which a wave is travelling.

that's where the interpretation takes a turn, for all general purposes this shows total wave height. from trough to top
Attached Thumbnails
Rate the rough water?-waveform.png  

Last edited by offshoredrillin; 10-13-2010 at 10:30 AM.
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Old 10-13-2010, 10:27 AM
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Quote:
Originally Posted by t500hps View Post
according the everyone on THT that is correct......and remember, I was in a Top Gun running beside a Tiger and at 70 we were getting 1-2 boat lengths of undisturbed water under the boat.
A number of other photos were posted and all had the same results. They claim was also made that true 3-4 footers would require enough wind to create that they WOULD have significant white caps.

Here are a couple of the photos I posted and was told they were 1-2's: linked from Randy Nuzzo's site.

http://photos.powerboatphotos.com/p2...69151#hf3ea188

http://photos.powerboatphotos.com/p2...9151#h111d7d45

http://photos.powerboatphotos.com/p2...9151#h12049c9b
Nice pics
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Old 10-13-2010, 10:30 AM
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In the 1st pic, 2s.
In the 2nd pic... flat.

Either is not rough, even for a 13ft whaler.
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Old 10-13-2010, 10:31 AM
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Originally Posted by offshoredrillin View Post
Theoretically yes, but not reality...see chart below

Wave Anatomy:

* Still-Water Line - The level of the sea surface if it were perfectly calm and flat.
* Crest - The highest point on the wave above the still-water line.
* Trough - The lowest point on the wave below the still-water line.
* Wave Height - The vertical distance between crest and trough.
* Wavelength - The horizontal distance between successive crests or troughs.
* Wave Period - The time it takes for one complete wave to pass a particular point.
* Wave Frequency - The number of waves that pass a particular point in a given time period.
* Amplitude - One-half the wave height or the distance from either the crest or the trough to the still-water line.
* Depth - the distance from the ocean bottom to the still-water line.
* Direction of Propagation - the direction in which a wave is travelling.
I was looking for that chart we all thank you for posting it.
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Old 10-13-2010, 10:37 AM
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So this is the answer ??

Wave Height - The vertical distance between crest and trough.
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Old 10-13-2010, 10:43 AM
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In the 1st pic, 2s.
In the 2nd pic... flat.

Either is not rough, even for a 13ft whaler.
First pic is rough for me running 80 to 100mph.

For your 13 foot whaler it would have been sunk if you made it thru the cut. lol

Heres a wave crushing 13' cat.
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Old 10-13-2010, 10:46 AM
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Im gonna say 2's. It was a blast either way.

thanks
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Old 10-13-2010, 10:48 AM
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Quote:
Originally Posted by t500hps View Post
according the everyone on THT that is correct......and remember, I was in a Top Gun running beside a Tiger and at 70 we were getting 1-2 boat lengths of undisturbed water under the boat.
A number of other photos were posted and all had the same results. They claim was also made that true 3-4 footers would require enough wind to create that they WOULD have significant white caps.

Here are a couple of the photos I posted and was told they were 1-2's: linked from Randy Nuzzo's site.

http://photos.powerboatphotos.com/p2...69151#hf3ea188

http://photos.powerboatphotos.com/p2...9151#h111d7d45

http://photos.powerboatphotos.com/p2...9151#h12049c9b
that water looks like it has a chop 1' and a wave height of 2 to 3 ' height and length of 15' apart which would give you the air, to me anyway. the length is like the start of a ramp as you go over it at 70 plus you get air sometimes ending up in a trough or crest. I have seen that low wave height but lots of air out at browns bank at the 1990 apba race after the sand bar which was under water[high tide] it cause length wise 30ft swell that was 3' tall once in a while 4' tall on the back coarse everywhere else it was a 2 to 3 foot chop and not much air at all, I think Freeze Frame has a video of it[plymouth mass 1990] the over all leader was a 32ft vee D-50 and in B class lady L was there with the rest of the gang. we were all on the out side of the coarse and never saw the swells until the video. they got a lot of air couple boat lengths on the back side and zip where we were.
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