Maritime English
Meteorology

What is Heat Wave Watch?

Heat Wave Watch Pre-warning by meteorological authority that sustained high air temperatures are likely within 48 h, possibly affecting crew endurance, vessel machinery and cargo.

Source: IMO SMCP, STCW Convention, SOLAS, COLREG

How is “Heat Wave Watch” Used in Practice?

Port Meteorological Office to all inbound vessels: Heat Wave Watch issued—daytime air temperature expected above 40 °C for next three days; plan engine cooling checks and restrict deck work between 1100 and 1600 local.

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 Heat Wave Watch?

Pre-warning by meteorological authority that sustained high air temperatures are likely within 48 h, possibly affecting crew endurance, vessel machinery and cargo.

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