All data collection at this site will be discontinued on October 1, 2025, due to safety concerns. Although historical data will remain available, no new data will be collected. If there are questions concerning the operation of this site, please contact Chuck Walker (cwwalker@usgs.gov).
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Monitoring location Delaware Bay at Ship John Shoal Lighthouse NJ - USGS-01412350
Important for you to know:
- Big changes are coming soon to NWISWeb websites and services. Attend our webinar, January 15, 2026 at 2:00 PM EST, to learn about the impacts. Learn more about our modernization plans and timeline.
