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SESK: Stuff Everyone Should Know · sesk.info/boat-diver-down-flag

In Florida, what does the divers-down flag look like?

A red rectangle or square with a white diagonal stripe in Florida.

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  1. Red with a white diagonal stripe ✔
  2. Blue and white with a notch
  3. Orange with a black square

Why: Florida's divers-down symbol is red with a white diagonal stripe. It tells boaters that snorkelers or divers are nearby. Other states set their own flag and distance requirements.

Huh, didn't know that: The blue and white 'Alpha' flag is a different flag, shown by dive boats restricted in their ability to maneuver.

The dad joke
Why do scuba divers fall backward off the boat? If they fell forward, they'd still be in the boat.
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References

Answer: Red with a white diagonal stripe. Florida's divers-down symbol is red with a white diagonal stripe. It tells boaters that snorkelers or divers are nearby. Other states set their own flag and distance requirements.

  1. Florida FWC, Boating Regulations (Divers-down warning devices) myfwc.com/boating/regulations
    The symbol is a red rectangle or square with a white diagonal stripe.
    Checked 2026-10-09.

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