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Old 06-21-2014, 06:24 PM   #21
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use the radar app on your cell phone to look for TS also look around at the sky usually a 30 min warning with black anvil clouds. So many places to set the hook. If you try to power through a ts in a narrow section you may go aground the driving rain can ko vision so set your anchor early taking account of wind change direction with the storm.
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Old 06-21-2014, 06:41 PM   #22
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I'm still trying to picture 5-6 ft waves that are 6 ft crest to crest. Can you draw that one for me Psneld?
6 ft high wave with 6 ft crest centers
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Old 06-21-2014, 06:53 PM   #23
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6 ft high wave with 6 ft crest centers
In nuclear power thats called the "Mae West Curve"
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Old 06-21-2014, 07:05 PM   #24
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In nuclear power thats called the "Mae West Curve"
...in inlet running it's called suicide....
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Old 06-21-2014, 07:10 PM   #25
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...in inlet running it's called suicide....
That would be a No Go for me.
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Old 06-21-2014, 07:25 PM   #26
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I'm not even sure a 6 foot, 6 foot crest to crest is even possible....if it is...I've never seen anything close with all my time on/near the water...plenty of bad wave but none at that extreme.
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Old 06-21-2014, 07:34 PM   #27
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I'm not even sure a 6 foot, 6 foot crest to crest is even possible....if it is...I've never seen anything close with all my time on/near the water...plenty of bad wave but none at that extreme.
What would that be, something like 6' at 1 or 1.5 seconds? A bit extreme.

We did learn when we hit the water the first time in Washington that waves are much different in the PNW. Wind waves plus the swell and often a lot of swell. When we first arrived weeks ago was 4' wind and 10' swell. But then period of swell generally very long. That same day the period was 13 seconds.
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Old 06-21-2014, 07:42 PM   #28
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In nuclear power thats called the "Mae West Curve"
May west? Is that a weather pattern?
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Old 06-21-2014, 07:58 PM   #29
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May west? Is that a weather pattern?
From Wikipedia..."
Mary Jane "Mae" West (August 17, 1893 November 22, 1980)[1] was an American actress, singer, playwright, screenwriter and sex symbol whose entertainment career spanned seven decades.
Known for her bawdy double entendres,..."
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Old 06-21-2014, 08:00 PM   #30
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From Wikipedia..."
Mary Jane "Mae" West (August 17, 1893 November 22, 1980)[1] was an American actress, singer, playwright, screenwriter and sex symbol whose entertainment career spanned seven decades.
Known for her bawdy double entendres,..."
Dang old timers...

Bet we could fill a forum with old expressions totally lost on so many....
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Old 06-21-2014, 08:05 PM   #31
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Dang old timers...

Bet we could fill a forum with old expressions totally lost on so many....
No doubt in my mind that the term came from crusty old navy nukes. The official title is the Fission Product Yield Curve.
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Old 06-21-2014, 08:09 PM   #32
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What would that be, something like 6' at 1 or 1.5 seconds? A bit extreme.

We did learn when we hit the water the first time in Washington that waves are much different in the PNW. Wind waves plus the swell and often a lot of swell. When we first arrived weeks ago was 4' wind and 10' swell. But then period of swell generally very long. That same day the period was 13 seconds.
It's not so much they are different...you just see more swell than back East...and that's what makes the inlets so bad out there...

There's plenty of times the North Atlantic swell can be deceiving....not too bad when in open water but try and run some inlets with a screaming out going tidal current and the next thing you know you are on the crest of a breaker headed inbound faster than your boat was designed for.
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Old 06-21-2014, 08:12 PM   #33
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From Wikipedia..."
Mary Jane "Mae" West (August 17, 1893 November 22, 1980)[1] was an American actress, singer, playwright, screenwriter and sex symbol whose entertainment career spanned seven decades.
Known for her bawdy double entendres,..."
Wifey B: She was so ahead of her time. Super cool. Performer, playwright, a lot of genius in those....in her. And I do love double entendres. Groucho Marx was super with them too. They use to replay his shows on late night tv. The censors back then didn't even catch his best ones. Then Johnny Carson. Too bad Mae West died 7 months before I was born. I would have liked her.
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Old 06-21-2014, 08:50 PM   #34
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Quote:
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Typical NJ coastal forecast has wave height and dominant period. Only recently have they added Swell direction. Up to last year it was wave height and period only. It was up to you to figure out if it was a 5 ft chop or 5 ft swell:

COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20 NM- COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM- 342 PM EDT SAT JUN 21 2014
TONIGHT SE WINDS 5 TO 10 KT...BECOMING NE LATE. SEAS AROUND 2 FT. MAINLY IN SE SWELL WITH A DOMINANT PERIOD OF 12 SECONDS.
SUN E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. MAINLY IN SE SWELL WITH A DOMINANT PERIOD OF 11 SECONDS.
SUN NIGHT SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. MAINLY IN SE SWELL WITH A DOMINANT PERIOD OF 11 SECONDS.
MON SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. MAINLY IN SE SWELL WITH A DOMINANT PERIOD OF 11 SECONDS.
The part I listen for (on the east coast -- the Gulf of Mexico is a whole 'nother ball of wax) is

Wave height
and
(most important of all)
time between waves

A short duration between the waves means rough seas.
What I look for is 10 seconds between wave heights.

I know from past listening, that once I have the ten second margin the weather will remain okay FOR ME for at least 36 hours.

Anything less than ten seconds and I do not venture off-shore.
Please note: Seaweed is a coastal cruiser and not designed for the type of weather you big guys can handle. I have to be careful.

Here, in the Gulf of Mexico I can discern no pattern for deteriorating weather -- but I've only been listening for 1.5 years. I do know this broken fan belt is costing me a great weather window so I'm not the happiest camper at present.

That weather as noted by high wire is excellent. That's a great forecast.
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Old 06-21-2014, 08:51 PM   #35
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And a favorite Mae West quote: When I'm good, I'm very good but when I'm bad, I'm better.
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Old 06-21-2014, 08:57 PM   #36
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The part I listen for (on the east coast -- the Gulf of Mexico is a whole 'nother ball of wax) is

Wave height
and
(most important of all)
time between waves

A short duration between the waves means rough seas.
What I look for is 10 seconds between wave heights.

I know from past listening, that once I have the ten second margin the weather will remain okay FOR ME for at least 36 hours.

Anything less than ten seconds and I do not venture off-shore.
Please note: Seaweed is a coastal cruiser and not designed for the type of weather you big guys can handle. I have to be careful.

Here, in the Gulf of Mexico I can discern no pattern for deteriorating weather -- but I've only been listening for 1.5 years. I do know this broken fan belt is costing me a great weather window so I'm not the happiest camper at present.

That weather as noted by high wire is excellent. That's a great forecast.
We generally look for a period at least a couple of seconds more than the wave height or at least 8 seconds. Now doesn't mean we don't go out with less depending on the boat. But period is definitely a key factor. It's also not just safety but enjoyment. Our boats will handle a lot more than we can enjoy.

One other source I meant to mention earlier. Local knowledge. People who just came through, marinas and the best we've found is the towboat operators. They're the ones who can typically give you more information on the conditions at the inlets.
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Old 06-21-2014, 10:14 PM   #37
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We ran a bunch up the coast and it was nice to hear swell direction before heading out.

Your DF 44 is probably stabilized if I were you my main concern in a strong thunderstorm would be damage to the Bimini and canvas etc. if you're in the ICW life is easy, on the outside or the Chesapeake , Great Lakes etc weather plays a much bigger role.
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Old 06-22-2014, 09:35 AM   #38
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We ran a bunch up the coast and it was nice to hear swell direction before heading out.

Your DF 44 is probably stabilized if I were you my main concern in a strong thunderstorm would be damage to the Bimini and canvas etc. if you're in the ICW life is easy, on the outside or the Chesapeake , Great Lakes etc weather plays a much bigger role.
In addition I think you can add the Delaware Bay to the list of unprotected waters.
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Old 06-22-2014, 09:41 AM   #39
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In addition I think you can add the Delaware Bay to the list of unprotected waters.
Bill
+1. One of the most uncomfortable passages I ever had was in a J110 sailboat heading south on DB in early May. It was near freezing with blowing rain and square waves. Utter misery. Although I think the stabilized DF44 would be a more comfortable ride, fortunately, our end point will be on the northern Chesapeake.

Great advice on this thread. Thanks again, all.
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Old 06-22-2014, 09:56 AM   #40
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I'm not even sure a 6 foot, 6 foot crest to crest is even possible....if it is...I've never seen anything close with all my time on/near the water...plenty of bad wave but none at that extreme.
It's basically what you see on an strong out going tide at a narrow inlet when the wind waves and/or swells are opposing the tidal flow. Or what you can see at the mouth of a river that empties into the sea.
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