Longest in force · containers

Warnings still in force, oldest first. Days count from the day of issue to now.

• Wrecks 2,737 d
• Volcanic 2,085 d
• Nav aids 2,025 d
• Mines 1,651 d
• Exercises 1,625 d
• War risk 1,625 d
• Missiles 1,282 d
• Other 1,282 d
• Surveys 974 d
• Cable ops 899 d
• Spills 638 d
• Derelicts 623 d
• Restricted 605 d
• Debris 435 d
• Structures 308 d
• Icebergs 65 d
• Storms 55 d
• Quakes 2 d

Nothing to rank.

Not for navigation. Only warnings we display are ranked; a closure inferred from a Wayback snapshot (the warning vanished between two captures) is not counted as a lifetime.