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5 ways to improve the accuracy of a weather instrument

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  • Post published:February 19, 2024
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Weather instruments are essential for any vessel, providing crucial information for safe and efficient navigation. However, maintaining the accuracy of these instruments can be a challenge, especially in changing marine environments. Here are five practical tips for calibrating and improving the accuracy of onboard weather instruments:

  • Regular calibration

Regular calibration is essential to ensure the accuracy of weather instruments. Use a reliable reference standard, such as a certified thermometer or barometer, to adjust the settings of your instruments. This will ensure accurate readings even in adverse conditions.

  • Corrosion protection

Marine environments are prone to corrosion, which can affect the accuracy of instruments. Use corrosion-resistant housings and be sure to clean and dry instruments regularly to avoid salt build-up. Applying specific lubricants can also help prevent corrosion on moving parts.

  • Strategic location

The location of on-board weather instruments can affect their accuracy. Place thermometers and barometers away from sources of extreme heat or cold, such as engines or areas exposed to direct sunlight. Also, make sure weather stations are located in an open, well-ventilated area for the most accurate readings.

  • Software and firmware updates

If you use digital weather stations, be sure to keep the software and firmware up to date. Updates can correct programming errors and improve measurement accuracy. Check regularly for available updates and follow the manufacturer’s instructions for installation.

  • Preventive maintenance

Perform regular preventive maintenance on your weather instruments. Visually inspect instruments for signs of wear or damage and replace defective parts as necessary. In addition, schedule regular check-ups by professionals to ensure optimal performance.


In short, maintaining the accuracy of onboard weather instruments is critical to safe and efficient navigation. With regular calibration, corrosion protection, strategic placement, software and firmware updates, and proper preventive maintenance, you can improve the accuracy of your instruments and get reliable readings at all times. Sail confidently and safely with our onboard weather instruments!


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