textproduct: Key West
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
- Strong high pressure over the central North Atlantic will remain stationary through the rest of the week into the weekend, supporting an extended period of relatively unremarkable weather. - Moderate to fresh breezes will wax and wane the rest of the week, generally peaking during the overnight hours and lulling in the afternoons.
- Rain, with possible thunder, chances expected to increase late into the week into at least the first part of the weekend. - Moderate drought continues for the entire island chain. Burn bans are possible, trees and bushes begin browning, and water supply decreases. For the upcoming week, there will be a slight chance for showers.
AVIATION
(18Z TAFS) Issued at 1251 PM EST Thu Mar 5 2026 VFR conditions will prevail at EYW and MTH for the upcoming TAF period. Stray showers may be able to develop near the terminals before sunset, but not at sufficient coverage to warrant a TEMPO. Cloud cover between FL020 and FL040 will percolate near the terminals. Brief MVFR conditions are possible near a stray shower. Winds will remain easterly with occasional to frequent gusts.
MARINE
Issued at 439 AM EST Thu Mar 5 2026 A Small Craft Advisory remains in effect across the Straits of Florida this afternoon. Small Craft Should Exercise Caution is headlined for Hawk Channel. From synopsis, a large and robust high remains centered over the central North Atlantic. This will continue to promote a prolonged period of moderate to fresh breezes across Florida Keys coastal waters through the remainder of the week and into the weekend. Winds will be strongest across the Florida Straits and weakest over the cooler Gulf side waters.
CLIMATE
On this day in Keys Weather History, the daily record high temperature of 85F was recorded in Key West. Temperature records for Key West date back to 1872.
PRELIMINARY POINT TEMPS/POPS
Key West 82 72 82 72 / 20 30 20 20 Marathon 80 73 81 74 / 20 30 20 30
KEY WATCHES/WARNINGS/ADVISORIES
FL...None. GM...Small Craft Advisory until 5 PM EST this afternoon for GMZ052>055-072>075.
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