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
- Light to gentle breezes expected through much of the work week.
- Mainly dry conditions along with near-normal temperatures will continue.
- Despite recent rainfall this week, moderate drought conditions persist for the entire island chain. These conditions may worsen over the next several days.
DISCUSSION
Issued at 1000 PM EDT Sun Mar 22 2026 A very quiet evening for the Florida Keys and the adjacent nearshore and offshore coastal waters. The 00z evening sounding conducted at KEY sampled a dry adiabatic, well-mixed layer from the surface up to around 950 mb, with stable lapse rates above (including a weak temperature inversion based at around 900 mb). The sounding also sampled an extremely dry air mass above 900 mb. Despite the veering evident in the 0-3 km layer above the surface, mostly clear skies will continue overnight, with nil rain chances. High pressure centered over the Florida Peninsula will support a stagnant, mainly dry pattern for the next several days. No changes proposed this evening to the rather routine inherited forecast.
MARINE
Issued at 1000 PM EDT Sun Mar 22 2026 No watches, warnings, or advisories are currently in effect for the Florida Keys waters. From synopsis, high pressure centered over the southern half of the Florida Peninsula and will remain in place through the next several days while weakening. This will support a stagnant pattern of generally light to gentle north to northeast breezes, gradually veering to the northeast to east later in the work week.
AVIATION
(00Z TAFS) Issued at 1000 PM EDT Sun Mar 22 2026 VFR conditions will prevail at both EYW and MTH island terminals through 00z Monday evening. Dry air will limit shower development and result in mostly clear skies, with only passing FEW clouds based between 015-030. Near surface winds will generally be out of the northeast at 5 to 8 knots, becoming light and variable at times.
PRELIMINARY POINT TEMPS/POPS
Key West 68 78 68 79 / 0 0 0 0 Marathon 67 78 67 78 / 0 0 0 0
KEY WATCHES/WARNINGS/ADVISORIES
FL...None. GM...None.
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