![]() The west coasts of Europe and Africa and the east coasts of North and South America follow the semi-diurnal pattern of two high and two low tides each day, more or less equally spaced, so your tidal clock can be used. The regular hour, minute and second hand give you the regular time of the day. The Time & Tide Clock has four hands – the blue tidal hand runs 50 minutes late every 24 hours, thus indicating the average times of the tides at a given point. It means the tidal day – to which the tide indicating hand is geared – is 50 minutes and 30 seconds longer than the solar day of 24 hours. The average duration between two transits of the moon around the earth is 24 hours 50 minutes and 30 seconds – this is referred to as the lunar or tidal day. ![]() The primary controller of the tides is the moon. It must be stressed that other influencing factors such as storms, high or low surface pressure, and direction can affect the actual tide times. The clock will predict the average state of the tide once it has been correctly set which satisfies most people’s needs. It does not store any personal data.Time & Tide clock mounted on wood is an attractive addition for any household lucky enough to be living near the water! Solid Mahogany wood surrounds with Brass bezel. ![]() The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The cookie is used to store the user consent for the cookies in the category "Performance". PortVisor rainshields for opening portholes & PanelVisor weather protection for engine control panels from Seaworthy Goods. This three instrument porthole weatherstation includes a. This cookie is set by GDPR Cookie Consent plugin. The Porthole Weather Center is a great gift for anyone who likes tokeep an eye on the weather. The cookie is used to store the user consent for the cookies in the category "Other. This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Weems & Plath - Porthole Trysail Weather Center The Trysail Weather Station is perfect for any boater or outdoorsman who wants to monitor the weather at a. The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly.
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