Model Number: 950300
Weems and Plath 950300 Endurance II 135 Time & Tide Clock combination quartz and tide clock movement which averages the Atlantic lunar tide cycle.
The tide sector is calibrated for the east coast of the United States. Uses a AA battery.
(Note: The clock will work for other tidal bodies of water but will need to be re-set more frequently.)
The patented Slide-n-Lock Mounting System eliminates the need for visible mounting screws and is easily removed for necessary adjustments.
135SM Wood base in mahogany available separately (135SM).
Lifetime warranty on finish and movement
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Size: Base: 7". Depth: 2 1/2" with a 5" dial
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Delivered Price $319.99
Model Number: 200300
Weems and Plath Quartz (battery powered) traditional Time and Tide Clock. Combination quartz and tide clock movement which averages the Atlantic lunar tide cycle. The tide sector is calibrated for the east coast of the United States. (The clock will work for other tidal bodies of water but will need to be re-set more frequently) AA battery included. Assembled in USA. Weight 3 lbs. 3 oz. Uses 100B Single base. Two year warranty and Free Shipping.
Base: 5-1/2". Depth: 2-7/8" - Dial: 4".
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Delivered Price $499.99
Model Number: 530300
Weems and Plath Endurance 125 Time & Tide Clock in brass is a combination quartz and tide clock movement which averages the Atlantic lunar tide cycle. The tide sector is calibrated for the east coast of the United States. Uses a AA battery. (Note: The clock will work for other tidal bodies of water but will need to be re-set more frequently.) Two year warranty and Free Shipping.
Dial: 4-7/8". Base: 6". Depth: 1-5/8".
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Delivered Price $274.62
Model Number: 440315
The Weems and Plath Trident is a combination time and tide clock movement which averages the Atlantic lunar tide cycle Tide sector is calibrated for the east coast of the United States. The Trident is an easy-to-read tide and time wall clock featuring a matte black case with red, white, and black dial graphics and a flat acrylic cover. The dial features Arabic numerals and white hands. A red tide hand indicates the approximate tides for the Atlantic Ocean. Accurate quartz movement operates on 1 AA battery. (Note: The clock will work for other tidal bodies of water but will need to be re-set more frequently.)Two year warranty and Free Shipping.
Size: Diameter 10-1/4". Depth: 2-3/4."
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Delivered Price $122.59
How a Tide Clock Works
Tides are long and wide masses of water that move through the oceans in response to the forces exerted by the moon and sun. Tides begin in larger bodies of water and move toward the coast where they create the regular rise and fall of the sea surface at the coastline. The incoming tide along the coast is called a flood current and the outgoing tide is called an ebb current or "Ebb Tide". Our tide clocks work best on the Atlantic seaboard. The Moon is the main factor in pulling the tides with its gravitational pull and the lunar day is 24 hours and 50 minutes. It is 50 minutes longer than our calendar day so we see two high and two low tides every 24 hours and 50 minutes. The tide clock compensates for the difference in real time so it may indicate how long it has been or time until the next of one of the two tidal cycles.

The illustration above will help to explain how to read your new tide clock. The red hand indicates at the the current state of the tide. In this example it is:
1) About Two Hours After Low Tide
2) About Four Hours until High Tide
or
