GMZ005-160245-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1039 AM EDT Mon Jun 15 2026
.SYNOPSIS...Light to gentle breezes will persist through the
middle of the week across the Florida Keys coastal waters.
Starting Tuesday night to Wednesday, the Mid-Atlantic high will
begin to strengthen and support slightly fresher breezes through
the end of the week. Breezes will generally be southerly and trend
southeasterly after Wednesday. Shower and thunder chances are
expected to remain very low through the forecast period. The
greatest chances for showers would be in the nearshore waters off
the Lower and Middle Keys in the late morning and early afternoon
as island cloud lines.
The Approximate Shoreward Edge of the Gulf Stream as of June 15...
28 NM South of Dry Tortugas Light...on Loggerhead Key.
12 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
11 NM South of Sand Key Light...off Key West.
14 NM South of Looe Key...off Big Pine Key.
13 NM Southeast of Sombrero Key Light...off Marathon.
8 NM Southeast of Alligator Reef Light...off Islamorada.
4 NM Southeast of Molasses Reef Light...off Key Largo.
3 NM East of Carysfort Reef Light...off Ocean Reef.
Gulf Stream Information Courtesy of the National Weather Service in
Key West, using data from RTOFS and NASA SPoRT SST.
$$
GMZ042>044-160245- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 1039 AM EDT Mon Jun 15 2026 THIS AFTERNOON South to southwest winds 5 to 10 knots, decreasing to near 5 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop, becoming smooth. A slight chance of showers and thunderstorms. TONIGHT Variable winds near 5 knots, becoming southeast to south. Seas 1 foot or less. Nearshore waters smooth. A slight chance of showers and thunderstorms. TUESDAY Southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. A slight chance of showers and thunderstorms. TUESDAY NIGHT Southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. A slight chance of showers and thunderstorms. WEDNESDAY Southeast to south winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. A slight chance of showers and thunderstorms. WEDNESDAY NIGHT Southeast to south winds 5 to 10 knots. Seas building to 1 to 2 feet. Nearshore waters smooth to a light chop. A slight chance of showers and thunderstorms. THURSDAY Southeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. A slight chance of showers and thunderstorms. THURSDAY NIGHT East to southeast winds 10 to 15 knots. Seas building to around 2 feet. Nearshore waters a light to moderate chop. A slight chance of showers and thunderstorms. FRIDAY East to southeast winds 10 to 15 knots, decreasing to near 10 knots. Seas subsiding to 1 to 2 feet. Nearshore waters a light to moderate chop, becoming a light chop. A slight chance of showers and thunderstorms. FRIDAY NIGHT East to southeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. A slight chance of showers and thunderstorms. $$
GMZ042>044-160245- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- 1039 AM EDT Mon Jun 15 2026 THIS AFTERNOON South to southwest winds 5 to 10 knots, decreasing to near 5 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop, becoming smooth. A slight chance of showers and thunderstorms. TONIGHT Variable winds near 5 knots, becoming southeast to south. Seas 1 foot or less. Nearshore waters smooth. A slight chance of showers and thunderstorms. TUESDAY Southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. A slight chance of showers and thunderstorms. TUESDAY NIGHT Southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. A slight chance of showers and thunderstorms. WEDNESDAY Southeast to south winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. A slight chance of showers and thunderstorms. WEDNESDAY NIGHT Southeast to south winds 5 to 10 knots. Seas building to 1 to 2 feet. Nearshore waters smooth to a light chop. A slight chance of showers and thunderstorms. THURSDAY Southeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. A slight chance of showers and thunderstorms. THURSDAY NIGHT East to southeast winds 10 to 15 knots. Seas building to around 2 feet. Nearshore waters a light to moderate chop. A slight chance of showers and thunderstorms. FRIDAY East to southeast winds 10 to 15 knots, decreasing to near 10 knots. Seas subsiding to 1 to 2 feet. Nearshore waters a light to moderate chop, becoming a light chop. A slight chance of showers and thunderstorms. FRIDAY NIGHT East to southeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. A slight chance of showers and thunderstorms. $$