textproduct: Key West

KEY MESSAGES

- Very warm and humid conditions over the next few days will lead to bouts of major risk of heat illness in the afternoon hours, with little relief during the overnight periods. - Quick moving showers and storms may bring bursts of heavy rainfall, reduced visibility, and gusty winds through Tuesday.

- Confidence continues to increase for a potentially wet and thundery period Wednesday through next Sunday.

- A general 2-4" of rainfall, with locally higher amounts, are possible at most island communities for this period.

AVIATION

(18Z TAFS) Issued at 159 PM EDT Sun May 24 2026 Despite a passing shower possible, especially early in the TAF period near MTH, then late in the overnight period at either terminal, VFR conditions will prevail through 18z Monday afternoon. Near surface winds out of the east to southeast at 10 to 12 knots will increase to 12 to 15 knots around sunset tonight, with occasional gusts 20 to 22 knots also then possible.

PREV DISCUSSION

Issued at 545 AM EDT Sun May 24 2026 Today is expected to shape out similarly to the last few days with winds slightly slackening in the late morning to afternoon hours before freshening in the overnight to early morning hours once again. Scattered showers will continue throughout the region though coverage will start to dwindle as the sun comes up this morning.

Mid-week, the pattern will start to change as the ridge that has been dominating our weather drifts away, allowing for some slight veering of the winds drawing in some tropical moisture. Along with that, and some lift could bring in some heavy downpours for the Keys. As of now, chance showers and thunderstorms are in the forecast but that is being closely monitored for any adjustments needed as the features start to develop. Stay tuned.

MARINE

Issued at 1054 AM EDT Sun May 24 2026 Small Craft Should Exercise Caution headlines remain posted for the marine zones south of the Island Chain, including Hawk Channel and the Straits of Florida. These will likely need to be extended to all marine zones later this afternoon for freshening breezes. From synopsis, a North Atlantic high pressure system centered near Bermuda will support fresh east to southeast breezes through Tuesday night. Breezes will noticeably slacken and veer to the southeast to south, as the high slides eastward and weakens by mid- week. Shower and thunderstorm chances will increase by the middle of the work week.

PRELIMINARY POINT TEMPS/POPS

Key West 90 81 90 81 / 20 30 20 20 Marathon 86 80 87 80 / 20 30 20 20

KEY WATCHES/WARNINGS/ADVISORIES

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