OPEN WATER / LAKE

ADVISORIES
SMALL CRAFT ADVISORY
A Small Craft Advisory is issued for sustained winds 25-33 knots AND/OR Seas > 7 feet within 12 hours.
WATCHES
TROPICAL STORM WATCH
An announcement that a tropical storm poses or tropical storm conditions pose a threat to coastal areas generally within 36 hours. A tropical storm watch should normally not be issued if the system is forecast to attain hurricane strength.
HURRICANE WATCH
An announcement of specific coastal areas that a hurricane or an incipient hurricane condition poses a possible threat, generally within 36 hours.
WARNINGS
GALE WARNING
A Gale Warning is issued for 1-minute sustained surface winds in the range 34 knots (39 mph or 63 kph) to 47 knots (54 mph or 87 kph) inclusive, either predicted or occurring not directly associated with tropical cyclones.
STORM WARNING
A Storm Warning is issued for 1-minute sustained surface winds of 48 knots (55 mph or 88 kph) or greater, either predicted or occurring, not directly associated with tropical cyclones.
TROPICAL STORM WARNING
A warning for tropical storm conditions including sustained winds within the range of 34 to 63 knots (39 to 73 mph or 63 to 118 kph) that are expected in a specified coastal area within 24 hours or less.
HURRICANE WARNING
A warning that sustained winds 64 knots (74 mph or 119 kph) or higher associated with a hurricane are expected in a specified coastal area in 24 hours or less. A hurricane warning can remain in effect when dangerously high water or a combination of dangerously high water and exceptionally high waves continue, even though winds may be less than hurricane force.
SPECIAL MARINE WARNING
A Special Marine Warning is issued for a brief/sudden occurrence of sustained wind or frequent gusts > 34 knots, usually associated with thunderstorms.