NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   GMZ005-282130-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  425 AM EST Wed Jan 28 2026      .SYNOPSIS...Fresh northerly breezes this morning will gradually  slacken over the next couple of days as high pressure continues to  move across the southeastern U.S. Gentle to moderate northerly  breezes will only continue through Friday as a strong cold front  approaches from the Gulf. Breezes will back to the northwest as  the front arrives at our doorstep, and a drastic freshening will  occur Saturday. Strong to possible near gale force breezes are  possible by Saturday night with marine hazards expected to  continue through at least Sunday.    The Approximate Shoreward Edge of the Gulf Stream as of January  28...    30 NM South of Dry Tortugas Light...on Loggerhead Key.  14 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  12 NM South of Sand Key Light...off Key West.  15 NM South of Looe Key...off Big Pine Key.  16 NM Southeast of Sombrero Key Light...off Marathon.  11 NM Southeast of Alligator Reef Light...off Islamorada.  7 NM Southeast of Molasses Reef Light...off Key Largo.  5 NM Southeast of Carysfort Reef Light...off Ocean Reef.    Gulf Stream Information Courtesy of the National Weather Service in  Key West based on products from NASA SPoRT and RTOFS.    $$
   GMZ032-035-282130-  Bayside and Gulfside from Craig Key to west end of Seven Mile  Bridge-  Gulf of America from west end of Seven Mile Bridge to Halfmoon  Shoal out to 5 Fathoms-  425 AM EST Wed Jan 28 2026    SMALL CRAFT ADVISORY IN EFFECT    TODAY  North winds near 20 knots early, decreasing to near 15  knots. Seas 2 to 4 feet, occasionally to 5 feet. Nearshore waters  rough, becoming a moderate chop. Isolated showers.  TONIGHT  North winds increasing to 15 to 20 knots. Seas 2 to 4  feet, occasionally to 5 feet. Nearshore waters becoming choppy.  THURSDAY  North to northeast winds 15 to 20 knots early,  decreasing to 10 to 15 knots. Seas 2 to 3 feet. Nearshore waters  choppy, becoming a light to moderate chop.  THURSDAY NIGHT  Northeast winds near 10 knots. Seas 1 to 2  feet. Nearshore waters a light chop. Isolated showers.  FRIDAY  North winds near 10 knots, increasing to 10 to 15  knots. Seas 1 to 2 feet. Nearshore waters a light to moderate  chop. Scattered showers.  FRIDAY NIGHT  Northwest to north winds 10 to 15 knots. Seas 1  to 2 feet. Nearshore waters a light to moderate chop. Isolated  showers.  SATURDAY  West winds 15 to 20 knots, becoming northwest and  increasing to 20 to 25 knots. Seas 2 to 3 feet, building to 2 to  4 feet, occasionally to 5 feet. Nearshore waters choppy, becoming  very rough. Scattered showers.  SATURDAY NIGHT  Northwest winds 20 to 25 knots, increasing to 25  to 30 knots. Seas building to 5 to 7 feet, occasionally to 9  feet, except building to 8 to 11 feet, occasionally to 14 feet  west of the Marquesas Keys. Nearshore waters very rough, becoming  extremely rough. Isolated showers.  SUNDAY  Northwest to north winds near 25 knots, decreasing to 20  to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet, except 8  to 11 feet, occasionally to 14 feet west of the Marquesas Keys.  Nearshore waters extremely rough, becoming very rough.  SUNDAY NIGHT  Northwest to north winds near 20 knots, decreasing  to 15 to 20 knots. Seas subsiding to 3 to 5 feet, occasionally to  6 feet. West of the Marquesas Keys, seas 7 to 9 feet,  occasionally to 11 feet, subsiding to 5 to 6 feet, occasionally to  8 feet. Nearshore waters rough, becoming choppy.    $$