Navigational warnings on 2025-12-20
UTC day · today
- issued
- 3
- cancelled
- 2
- in force at end
- 664
- of these still in force
- 0
Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so this period is under-counted.
Issued · 3
- Surveys · HYDROPAC 3401/2501:36ZUnderwater operations in progress until further notice by M/V skandi hercules in 10-36.90S 125-59.10ETimor Sea · Indonesia
- Nav aids · HYDROPAC 3402/2506:29Z12 yellow light buoys, fl w 3 sec, 6 meters in height established in area within one mile of 38-47.62S…Great Australian Bight · Australia
- Quakes · USGS-US6000RW5U06:57ZEarthquake magnitude 5.6 (mww) in 63.809S 172.771E, depth 10 km at 200657Z dec 25Balleny Islands Region
Cancelled · 2
Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.