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Old 25-10-2021, 14:36   #1
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MLW

Hi All



I have another rookie question.



I've recently bought a house on the Chesapeake and it advertised the dock depth as 5 ft MLW. Since that's the mean it would seem that the depth at times is lower. However, I have never tested the water at low tide and found a depth under 51/2 feet. I'm considering buying a sailboat with a 5 foot draft. Since its the Chesapeake and the bottom is soft would it be a terrible thing if the tide got below 5 feet. As long as I had enough play in the lines wouldn't the boat just tilt a little until the tide came in assuming it only got a couple of inches under 5 ft or am I crazy to consider such a deep draft?



Any thoughts would be appreciated.


(A possible explanation is the MLW measurement is for the slip closest to shore. The sail boat would be further out into the creek on the other side of the dock.)
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Old 25-10-2021, 14:44   #2
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Re: MLW

https://oceanservice.noaa.gov/facts/springtide.html
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Old 25-10-2021, 14:53   #3
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Re: MLW

MLW is not the lowest a tide can go; that is Lowest Astronomical Tide. Even then meteorological conditions. can result in a lower tide than LAT.



https://geomatix.net/tides/tidal_levels.htm
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Old 25-10-2021, 15:03   #4
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Re: MLW

https://myforecast.co/bin/tide_exten...ationID=T11076

Here's a tide chart for Reedville, Va (assuming that's where the creek is), you'll notice that low and high tides have + & - numbers. The negative numbers are lower than MLW and + are higher.

No worries if your keel settles a bit in the mud but it will result in your bottom paint being worn off a bit faster. Also, if the boat has a centerboard you may get rocks/shells lodged in the slot and the board may get jammed. Life is good with your own dock, enjoy!
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Old 26-10-2021, 07:20   #5
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Re: MLW

Thanks all for your feedback
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Old 26-10-2021, 22:40   #6
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Re: MLW

Quote:
Originally Posted by Reedville View Post
Hi All



I have another rookie question.



I've recently bought a house on the Chesapeake and it advertised the dock depth as 5 ft MLW. Since that's the mean it would seem that the depth at times is lower. However, I have never tested the water at low tide and found a depth under 51/2 feet. I'm considering buying a sailboat with a 5 foot draft. Since its the Chesapeake and the bottom is soft would it be a terrible thing if the tide got below 5 feet. As long as I had enough play in the lines wouldn't the boat just tilt a little until the tide came in assuming it only got a couple of inches under 5 ft or am I crazy to consider such a deep draft?



Any thoughts would be appreciated.


(A possible explanation is the MLW measurement is for the slip closest to shore. The sail boat would be further out into the creek on the other side of the dock.)
In the winter the tide will go really low, for days at a time, more due to winds than the levels at the entrance to the bay at Norfolk. We used to keep our Taswell 49 at Ditchley, and boy the tides run out in the winter. Anchored in Reedville many times and ate at the Crazy Crab. Nice area.
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Old 27-10-2021, 09:18   #7
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Re: MLW

Quote:
Originally Posted by Ericson38 View Post
In the winter the tide will go really low, for days at a time, more due to winds than the levels at the entrance to the bay at Norfolk. We used to keep our Taswell 49 at Ditchley, and boy the tides run out in the winter. Anchored in Reedville many times and ate at the Crazy Crab. Nice area.



Yes I'm afraid I won't be able to leave my boat in the water for the winter. My house is a short walk from the Crazy Crab
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Old 30-10-2021, 11:55   #8
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Re: MLW

Quote:
Originally Posted by Reedville View Post
Yes I'm afraid I won't be able to leave my boat in the water for the winter. My house is a short walk from the Crazy Crab
Did you purchase the Hinkley B-40 ?
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