Brass Time & Tide Clock. Marine quality, heavy, cast brass. Lacquered and varnished giving a highly polished appearance. Will not corrode in marine environment. Fitted with rubber sealing ring stops moisture reaching mechanism. Quartz driven. Hinged door design allows simple access to alter clock or tide time and fit battery. No need to remove clock from mounting. Supplied with 3 brass screws for flange mounting. Fitted with rubber sealing ring. Hinged door design allows easy access to clock mechanisms for any necessary.
Brass Time & Tide Clock shows both the state of the tide and the time of day.
Full instructions will be provided to set and use your clock
The primary controller of the tides is the moon. 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. 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 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. The regular hour, minute and second hand give you the regular time of the day.
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. However certain others coasts such as the west coasts of North and South America are not semi-diurnal, therefore the tide indicating part of your tidal clock will not function in these areas
It must be stressed that other influencing factors such as storms, high or low surface pressure and direction can affect the actual tide times.
Please note style of hands may differ from time to time.