textproduct: Key West

KEY MESSAGES

- Measurable rain chances will remain low through the weekend, only up to 10% for each forecast period.

- Conditions will remain seasonably warm and muggy, but we may see heat index values above 105F, particularly along the Upper Keys, through Friday.

DISCUSSION

Issued at 1147 AM EDT Thu Jun 18 2026 A mostly uneventful day for the Florida Keys with a shower-free KBYX going into the afternoon hours. Temperatures along the island chain are warming into the upper 80s with dewpoints in the upper 70s. Across the Reef, marine sites are observing southeasterly winds at 5 to 10 knots. Mostly partly cloudy skies can be seen on GOES-19 Visible Satelitte making for a nice day! Not too much expected to change this afternoon with hot summer temperatures among us, and light to gentle breezes.

MARINE

Issued at 1147 AM EDT Thu Jun 18 2026 No watches, warnings, or advisories are currently in effect for the Florida Keys waters. From synopsis,a weak high pressure system in the central North Atlantic will support a brief cycle of peaks and lulls over the next day or so. Then a weak frontal boundary will approach the Florida Peninsula, acting to weaken the high, and supporting a return to light to gentle breezes. Breezes may become light and variable at times, Sunday through Monday, especially across the nearshore and offshore waters north of the island chain.

AVIATION

(15Z TAFS) Issued at 1147 AM EDT Thu Jun 18 2026 VFR conditions will prevail at both EYW and MTH through the TAF period. For the time being showers are not expected therefore no mention of VCSH in the TAFs. Near surface winds will continue to be southeasterly at 5 to 10 knots.

KEY WATCHES/WARNINGS/ADVISORIES

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