Hazardous marine condition(s):
Short Term Forecast
GMZ005-030930-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
428 PM EST Sun Nov 2 2025
.SYNOPSIS...Gentle to moderate northeasterly breezes will continue
today, but an upper level weather system currently over the
Mississippi Valley will track east southeast, and will likely
freshen winds as an associated front surges across the region
sometime Monday and Tuesday. Thereafter, the next ridge will build
in and breezes will slacken.
The Approximate Shoreward Edge of the Gulf Stream as of October
28...
49 NM South of Dry Tortugas Light...on Loggerhead Key.
40 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
20 NM South of Sand Key Light...off Key West.
17 NM South of Looe Key...off Big Pine Key.
17 NM Southeast of Sombrero Key Light...off Marathon.
4 NM Southeast of Alligator Reef Light...off Islamorada.
2 NM Southeast of Molasses Reef Light...off Key Largo.
2 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.
$$
GMZ031-030930- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 428 PM EST Sun Nov 2 2025 TONIGHT Northeast to east winds 10 to 15 knots, becoming north to northeast late. Bay waters a light to moderate chop, becoming a light chop late. Scattered showers and isolated thunderstorms. MONDAY North to northeast winds near 10 knots, becoming northwest to north 10 to 15 knots late. Bay waters a light chop, becoming a light to moderate chop. Isolated showers. MONDAY NIGHT North winds near 15 knots, becoming north to northeast 15 to 20 knots. Bay waters a moderate chop, becoming choppy. TUESDAY Northeast winds 15 to 20 knots, briefly decreasing to near 15 knots in the afternoon. Bay waters choppy, becoming a moderate chop. TUESDAY NIGHT Northeast winds 15 to 20 knots, decreasing to near 15 knots. Bay waters choppy, becoming a moderate chop. WEDNESDAY Northeast to east winds near 15 knots. Bay waters a moderate chop. WEDNESDAY NIGHT Northeast winds decreasing to 10 to 15 knots. Bay waters becoming a light to moderate chop. Isolated showers. THURSDAY Northeast to east winds increasing to near 15 knots. Bay waters becoming a moderate chop. Isolated showers. THURSDAY NIGHT Northeast to east winds near 15 knots, decreasing to 10 to 15 knots. Bay waters a moderate chop, becoming a light to moderate chop. Scattered showers. FRIDAY AND FRIDAY NIGHT East winds 10 to 15 knots. Bay waters a light to moderate chop. Scattered showers. $$
GMZ031-030930- Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound- 428 PM EST Sun Nov 2 2025 TONIGHT Northeast to east winds 10 to 15 knots, becoming north to northeast late. Bay waters a light to moderate chop, becoming a light chop late. Scattered showers and isolated thunderstorms. MONDAY North to northeast winds near 10 knots, becoming northwest to north 10 to 15 knots late. Bay waters a light chop, becoming a light to moderate chop. Isolated showers. MONDAY NIGHT North winds near 15 knots, becoming north to northeast 15 to 20 knots. Bay waters a moderate chop, becoming choppy. TUESDAY Northeast winds 15 to 20 knots, briefly decreasing to near 15 knots in the afternoon. Bay waters choppy, becoming a moderate chop. TUESDAY NIGHT Northeast winds 15 to 20 knots, decreasing to near 15 knots. Bay waters choppy, becoming a moderate chop. WEDNESDAY Northeast to east winds near 15 knots. Bay waters a moderate chop. WEDNESDAY NIGHT Northeast winds decreasing to 10 to 15 knots. Bay waters becoming a light to moderate chop. Isolated showers. THURSDAY Northeast to east winds increasing to near 15 knots. Bay waters becoming a moderate chop. Isolated showers. THURSDAY NIGHT Northeast to east winds near 15 knots, decreasing to 10 to 15 knots. Bay waters a moderate chop, becoming a light to moderate chop. Scattered showers. FRIDAY AND FRIDAY NIGHT East winds 10 to 15 knots. Bay waters a light to moderate chop. Scattered showers. $$