textproduct: Key West

KEY MESSAGES

-A weak cold front will move through the Florida Keys later tonight, resulting in a transition from muggy and damp conditions this evening to less humid and breezier weather on Saturday.

-An expanding and intensifying area of continental high pressure will result in a period of fresh to strong breezes and sporty seas next week, likely persisting through Christmas Eve and Christmas Day.

MARINE

Issued at 1032 PM EST Fri Dec 19 2025 No watches, warnings, or advisories are in effect for Florida Keys coastal waters zones. A very weak cold front over the southern Florida Peninsula and southern Gulf of Mexico will move southward overnight and Saturday, becoming stationary over the Straits of Florida. A brief surge of moderate to fresh northerly breezes will follow the front, peaking late tonight and early Saturday. A continental high pressure cell will advance eastward from the southeastern United States to the western North Atlantic this weekend. The high will be reinforced by cold continental air Sunday and Sunday night, and fresh to strong northeast to east breezes are expected to develop across all Florida Keys coastal waters Sunday night, persisting through at least Christmas Eve.

AVIATION

(00Z TAFS) Issued at 1032 PM EST Fri Dec 19 2025 Through 20/24Z, prevailing VFR conditions are expected at both EYW and MTH. A weak cold front will pass through EYW and MTH after 20/09Z, resulting in a surge of northerly breezes and crosswinds peaking near 15 knots between about 20/10Z and 20/14Z.

KEY WATCHES/WARNINGS/ADVISORIES

FL...None. GM...None.