Key Features
- Simultaneously displays precise local time and the current tide cycle
- Large, legible 12-hour dial with tide indicator and moon phase window
- Accurate quartz movement for dependable timekeeping
- Durable, water-resistant housing suitable for marine environments
- Easy to install on bulkheads, consoles, or walls
- Powered by a single AA battery (not included) for simple operation
Technical Specifications
| Dial Size | 8 inches (203 mm) |
|---|---|
| Movement | Quartz, battery-operated |
| Power Source | 1 x AA battery (not included) |
| Tide Cycle | 12 hours 50 minutes (lunar day) |
| Mounting | Single-hole bulkhead mount |
| Case Material | Weather-resistant ABS plastic |
| Lens | Crystal-clear glass |
| Water Resistance | Splash-proof |
| Operating Temperature | -10°C to 50°C (14°F to 122°F) |
Frequently Asked Questions
How does a tide clock work?
A tide clock uses a special quartz movement calibrated to the lunar day, which is 24 hours and 50 minutes. This causes the clock to complete a full rotation slightly slower than a standard 12-hour clock, allowing the hands to track the average time between high tides. The tide hand indicates approximately how many hours to the next high or low tide.
How do I set the time and tide on the clock?
Set the regular time using the time-setting knob, just like a standard clock. Then, set the tide hand to the nearest high tide time using the separate tide-setting knob. Adjust for your local tide schedule, and if necessary, recalibrate after several moon cycles to fine-tune accuracy.
Is the tide clock accurate for my location?
No tide clock can be perfectly accurate for all coastal locations due to geographic and meteorological influences. However, this clock provides a close approximation (typically ± 30–60 minutes) and is useful for general navigation and planning. For safety-critical decisions, always consult official tide tables.
What kind of battery does it need?
The clock operates on a single AA battery (not included). A fresh alkaline battery should last over a year under normal use. For best performance, use a high-quality battery and replace it every 12 months.
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