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Storm, Tornado & Lightning Warning

No unusual storm or tornado signs have been detected in the monitored areas. You should still proactively check the official warning system before traveling on the sea.

This page aggregates and links directly to Quang Ninh province's OFFICIAL storm, tornado and lightning warning system, and also provides an extra automatic quick-reference layer for each coastal area, based on real-time weather data.

Attention level by area (automatic, quick reference)
Hạ Long
No unusual signs detected
Cam PJK
No unusual signs detected
Fortune
No unusual signs detected
Cô Tô
No unusual signs detected
Móng Cái
No unusual signs detected
This extra layer is calculated automatically by Ha Long Xanh from general weather data (Open-Meteo), NOT dedicated radar data. It is only a supplementary reference signal and does not replace the official warning system of Quang Ninh province below.
Quang Ninh province's official warning system

Operated at halong.navy01.com - deployed by the Quang Ninh Department of Agriculture and Environment together with the Northern Hydro-Meteorological Institute, integrating real-time data from monitoring networks, satellite imagery and two weather radar stations (Dong Bac - Hai Phong, Viet Bac - Phu Tho), warning of storms, tornadoes and lightning about 30 minutes in advance for 9 separate zones on Ha Long Bay and Bai Tu Long Bay.

Open live warning map If the map above does not display on your browser/device, use the direct open button above.
When a storm, tornado or lightning warning is issued
  • Captains and boat owners should quickly move vessels to the nearest safe shelter, avoiding open areas in the middle of the bay.
  • Passengers must strictly follow the captain's and crew's instructions, and wear life jackets when required.
  • Postpone or suspend kayaking, swimming and beach activities until the warning is lifted.
  • Continuously monitor announcements via VHF, port loudspeakers and the province's official warning app.
  • Do not attempt to pass through a warned area to save time.
Emergency phone numbers
  • National emergency / rescue: 112
  • Fire fighting & rescue: 114
  • Ha Long Bay - Yen Tu Management Board hotline: 0943 113 999
  • Ha Long Xanh support: 0904 083 792

The Ha Long Bay - Yen Tu Management Board hotline is as published in the press; please prioritize calling 112/114 in an emergency if you cannot reach it.

Why did Quang Ninh roll out this system?

Storms, tornadoes and lightning at sea tend to appear quickly and in a narrow range but with high intensity. After a cruise boat was caught in a sudden storm on Ha Long Bay in July 2025, Quang Ninh province accelerated the rollout of an early-warning system using radar and real-time data to protect fishermen, boat owners and tourists, and to keep Quang Ninh a safe travel destination.

Sources: Quang Ninh Department of Agriculture and Environment, Northern Hydro-Meteorological Institute, domestic press. · Official system: halong.navy01.com

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