Maritime English
Meteorology

What is Typhoon Warning?

Typhoon Warning Highest-level tropical-cyclone warning issued by JMA or PAGASA for winds ≥64 kt, heavy seas and extreme storm surge threatening coastal and open-sea areas.

Source: IMO SMCP, STCW Convention, SOLAS, COLREG

How is “Typhoon Warning” Used in Practice?

Japan Coast Guard broadcast: Typhoon Warning for Sea of Okinawa—centre 24°N 127°E moving northwest 12 kt; winds 70 kt radius 40 NM, sea 12 m, all vessels advised to seek shelter and maintain continuous watch on NAVTEX.

Certification Exam Relevance

STCWMarlins TestISF WatchkeeperGMDSS

Who Needs to Know This Term?

  • Deck Officers
  • Engine Officers
  • Masters

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Frequently Asked Questions

What is Typhoon Warning?

Highest-level tropical-cyclone warning issued by JMA or PAGASA for winds ≥64 kt, heavy seas and extreme storm surge threatening coastal and open-sea areas.

Where can I learn this term for free?

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