GMZ005-222130-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
430 AM EST Sun Feb 22 2026
.SYNOPSIS...Light and variable breezes will continue early this
morning as a nebulous pressure gradient remains. A strong cold
front will approach and sweep through the Keys coastal waters
beginning this evening with strong, potentially near gale,
northwest to north breezes anticipated in its wake. Winds will
slowly slacken and veer to the northeast, then eventually shift to
the east to southeast Tuesday through Thursday.
The Approximate Shoreward Edge of the Gulf Stream as of February
17...
7 NM South of Dry Tortugas Light...on Loggerhead Key.
3 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
2 NM South of Sand Key Light...off Key West.
7 NM South of Looe Key...off Big Pine Key.
11 NM Southeast of Sombrero Key Light...off Marathon.
14 NM Southeast of Alligator Reef Light...off Islamorada.
7 NM Southeast of Molasses Reef Light...off Key Largo.
3 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.
$$
GMZ052-053-072-073-222130- Straits of Florida from Ocean Reef to Craig Key out 20 NM- Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM- Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out- Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out- 430 AM EST Sun Feb 22 2026 SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED TONIGHT TODAY Variable winds near 5 knots, becoming west to northwest and increasing to near 15 knots late. Seas 1 to 2 feet, building to around 2 feet. Wave Detail: West 1 foot at 2 seconds and east 1 foot at 3 seconds. Isolated showers this afternoon. TONIGHT West to northwest winds 15 to 20 knots, becoming northwest to north and increasing to 25 to 30 knots. Seas 2 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet. Wave Detail: West to northwest 4 feet at 4 seconds, becoming northwest 6 feet at 6 seconds. Isolated showers in the evening. MONDAY Northwest to north winds 25 to 30 knots, decreasing to 20 to 25 knots in the afternoon. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: North to northeast 7 feet at 7 seconds and northwest to north 6 feet at 4 seconds. MONDAY NIGHT Northwest to north winds 20 to 25 knots. Seas 5 to 8 feet, occasionally to 10 feet. TUESDAY North winds near 20 knots, becoming north to northeast and decreasing to near 10 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 3 to 5 feet, occasionally to 6 feet. TUESDAY NIGHT Northeast to east winds near 10 knots, becoming east. Seas 2 to 4 feet, occasionally to 5 feet. WEDNESDAY East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. WEDNESDAY NIGHT East to southeast winds near 15 knots, increasing to 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, building to 3 to 5 feet, occasionally to 6 feet. THURSDAY East to southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. THURSDAY NIGHT East to southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Isolated showers. $$
GMZ052-053-072-073-222130- Straits of Florida from Ocean Reef to Craig Key out 20 NM- Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM- Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out- Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out- 430 AM EST Sun Feb 22 2026 SMALL CRAFT ADVISORY CONDITIONS ARE EXPECTED TONIGHT TODAY Variable winds near 5 knots, becoming west to northwest and increasing to near 15 knots late. Seas 1 to 2 feet, building to around 2 feet. Wave Detail: West 1 foot at 2 seconds and east 1 foot at 3 seconds. Isolated showers this afternoon. TONIGHT West to northwest winds 15 to 20 knots, becoming northwest to north and increasing to 25 to 30 knots. Seas 2 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet, occasionally to 8 feet. Wave Detail: West to northwest 4 feet at 4 seconds, becoming northwest 6 feet at 6 seconds. Isolated showers in the evening. MONDAY Northwest to north winds 25 to 30 knots, decreasing to 20 to 25 knots in the afternoon. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: North to northeast 7 feet at 7 seconds and northwest to north 6 feet at 4 seconds. MONDAY NIGHT Northwest to north winds 20 to 25 knots. Seas 5 to 8 feet, occasionally to 10 feet. TUESDAY North winds near 20 knots, becoming north to northeast and decreasing to near 10 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 3 to 5 feet, occasionally to 6 feet. TUESDAY NIGHT Northeast to east winds near 10 knots, becoming east. Seas 2 to 4 feet, occasionally to 5 feet. WEDNESDAY East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. WEDNESDAY NIGHT East to southeast winds near 15 knots, increasing to 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, building to 3 to 5 feet, occasionally to 6 feet. THURSDAY East to southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. THURSDAY NIGHT East to southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Isolated showers. $$