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Course Outline

Weather Warning Display Signals

Weather warning signal for small craft advisory—red triangular flag and red and white lights

Small Craft Advisory: Winds in the range of 21 to 33 knots (24 to 38 mph) create conditions considered dangerous to small vessels.

Weather warning signal for gales—two red triangular flags and two red lights

Gale Warning: Winds are in the range of 34 to 47 knots (39 to 54 mph).

Weather warning signal for storms—black square in the middle of a red flag and two red lights

Storm Warning: Winds are 48 knots (55 mph) and above. If winds are associated with a tropical cyclone, this warning signals winds of 48 to 63 knots.

Weather warning signal for hurricanes—black squares in the middle of two red flags and two red lights with a white light in between

Hurricane Warning: Winds are 64 knots (74 mph) and above. This warning is displayed only in connection with a hurricane.

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