USCG Ice AlertsBack to Alert Page USCG Ice Alerts Posted... This Week This Month Last 30 Days Last 90 Days This Year Custom Search Start Date End Date Results: 2 MSIB 08-24 Return to Normal Port Condition and End of Ice Season Maritime Exchange for the Delaware River and Bay MSIB 12-23 Seasonal Ice Alert Maritime Exchange for the Delaware River and Bay Powered By GrowthZone