Nautical Flags, number flags, alphabet flags and signal flags
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Wave your mouse over the flags to see their name and description.
Small Craft Warning
Small Craft Warnings are issued when local authorities decide that conditions are dangerous for small craft.
Small Craft, however, are not defined. Small Craft Warnings usually mean winds of 20kn to 30kn or other dangerous
conditions like ice.
Gale Force Warning
Gale warning are issued for forcast winds of 34 to 47 knots.
A storm warning indicates winds above 47 knots. If it is associated with a hurricane then
the storm warning means winds of 48 to 63 knots.
Hurricane warnings are only issued when there is a tropical cyclone (hurricane) and indicates
winds greater than 63 knots.
Diver down, keep clear.
Vessel is handling dangerous cargo.
Yes or affirmative. In a regatta it means change of course.
Vessel is having difficulty maneuvering.
Passing to starboard.
Vessel is disabled. On aircraft carrier it means flight operations.
Vessel requests a pilot.
Passing to port. In a regatta it means, "Round the Ends Starting Rule."
Vessel is on fire and has dangerous cargo.
Vessel requests communications.
Stop your vessel. In a regatta, "Come withing hail or follow me."
Vessel is stopped. In a regatta it means, "Mark Missing."
No or negative. In a regatta, "Abandonment."
Return to vessel, proceeding to sea.
Vessel requests customs clearance into port.
Navy, ready duty ship or at sea, preparing to replenish.
Operating astern. In a regatta, "shorten course."
Keep clear, vessel is trawling.
You are running into danger.
Vessel requires assistance.
Vessel requires medical assistance.
Stop you vessel and watch for my signal. In a regatta it means, "individual recall."
Vessel is dragging anchor. In a regatta, "wear life jackets."
Vessel requires a tug. In a regatta, "20% scoring penalty."