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RiverWatch

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Overview

Near real-time NOAA river stage levels, streamflow rates, and 3-day hydrograph trends.

Stay updated on local river conditions instantly without searching complex web pages. RiverWatch brings near real-time NOAA river stage levels, discharge streamflow rates, and 3-day trend charts directly to your Chrome toolbar. Whether you are planning a kayaking trip, checking fishing conditions, or keeping an eye on rising flood waters near your home, RiverWatch gives you the critical water data you need in a single click. KEY FEATURES • Live Toolbar Icon Badge: View the current river stage height directly on your browser icon. The badge color updates automatically based on official NOAA flood severity (Normal, Action, Minor, Moderate, or Major Flood). • Interactive 3-Day Hydrograph: Hover over the high-resolution trend chart to inspect precise stage measurements and exact observation timestamps over the past 72 hours. • Stage & Streamflow Metrics: Get instant access to current gauge height (ft) and discharge streamflow rates (kcfs). • Official NOAA Flood Thresholds: Displays station-specific Action, Minor, Moderate, and Major flood stage levels at a glance. • Custom Station Selection: Monitor any 5-character NOAA/NWSLI river gauge in the United States (e.g., WLGW2, PITP1). • Dark & Light Themes: Clean visual design that seamlessly adapts to Dark Mode, Light Mode, or your System Default settings. • Lightweight & Fast: Built on Manifest V3 with smart 15-minute local caching to deliver instantaneous popup load times without slowing down your browser or draining battery. HOW TO USE 1. Click ⚙ Settings to enter your local 5-character NWSLI gauge code (e.g., WLGW2). 2. Click the RiverWatch icon anytime to check current water conditions and 3-day trends. 3. Click ↗ NOAA to open the official full webpage for your selected station.

Details

  • Version
    1.0.3
  • Updated
    September 18, 2026
  • Offered by
    mrjordanroth
  • Size
    486KiB
  • Languages
    English
  • Developer
    Email
    mrjordanroth@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

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