Area Forecast Discussion
Issued by NWS Key West, FL
Issued by NWS Key West, FL
057 FXUS62 KKEY 030903 AFDKEY Area Forecast Discussion National Weather Service Key West FL 503 AM EDT Thu Sep 3 2026 ...New DISCUSSION, MARINE, AVIATION... .KEY MESSAGES... - Conditions will generally be favorable for waterspout formation along portions of the Island Chain today. - High moisture content across the region will support daily chances for showers and thunderstorms through the weekend. && .DISCUSSION... Issued at 502 AM EDT Thu Sep 3 2026 Scattered showers have been waxing and waning in the Florida Keys water for a majority of the overnight period and into this early morning. While showers have popped up in various locations, the island chain has not received much measurable rainfall. Temperatures across the island chain are in the mid 80s with dewpoints in the mid 70s making for a pleasant start to the morning. Marine locations along the Reef are reporting light and variable winds. Last night`s 00z sounding once again measured above 2 inches of Precipitable Water though a little more dry air is present in the upper levels in comparison to 24 hours ago. For today, rain and thunderstorm chances will return to more normal for this time of year around 30%. With southeasterly winds, conditions will be generally favorable for waterspout formation. For the remainder of the week while ridging continues to be our dominating feature, therefore rain and thunderstorms chances will remain seasonal with light to gentle east to southeasterly breezes. && .MARINE... Issued at 502 AM EDT Thu Sep 3 2026 No watches, warnings, or advisories are currently in effect for the Florida Keys waters. From synopsis, the western periphery of a weak North Atlantic high will remain in loose control of the Keys coastal waters for the next several days. Light to gentle east to southeast breezes overnight through morning will become light and variable at times during the afternoon and evenings. In addition, the overall flow will keep low-level moisture in place across the region, with seasonally normal rain and thunder chances. && .AVIATION... (06Z TAFS) Issued at 502 AM EDT Thu Sep 3 2026 VFR conditions are expected to prevail at both EYW and MTH through the TAF period. Scattered showers are possible but timing and confidence leaves only VCSH with TEMPOs being added if/when needed for visibility and lower cloud ceilings. Near surface winds will be light and variable and at times east to southeasterly. && .KEY WATCHES/WARNINGS/ADVISORIES... FL...None. GM...None. && $$ Public/Marine/Fire...AP Aviation/Nowcasts....AP Data Acquisition.....AP Visit us on the web at weather.gov/key Follow us on Facebook and X at: www.facebook.com/nwskeywest www.x.com/nwskeywest