NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION. Privacy and Cookie policy

GMZ035 Expires:202312030930;;804014 Fzus52 Kkey 030330 Cwfkey
coastal waters forecast for the florida keys national weather service key west fl 1030 pm est Sat dec 2 2023
florida bay, hawk channel and straits of florida from ocean reef to south of dry tortugas, and the extreme southeastern gulf of mexico, including the florida keys national marine sanctuary
seas are given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height.
gmz032-035-030930- bayside and gulf side from craig key to west end of seven mile bridge- gulf of mexico from west end of seven mile bridge to halfmoon shoal out to 5 fathoms- 1030 pm est Sat dec 2 2023
Overnight..Southeast winds 5 to 10 knots, becoming southeast to south. Seas around 1 foot. NEarshore waters smooth to a light chop. Isolated showers.
Sunday..Southeast to south winds 5 to 10 knots, becoming variable and decreasing to near 5 knots. Seas 1 to 2 feet, subsiding to around 1 foot. NEarshore waters smooth to a light chop, becoming smooth. Isolated showers.
Sunday night..Variable winds near 5 knots. Seas 1 foot or less. NEarshore waters smooth. Isolated showers.
Monday..Variable winds near 5 knots, becoming northwest and increasing to 5 to 10 knots. Seas building to around 1 foot. NEarshore waters smooth, becoming smooth to a light chop. Isolated showers.
Monday night..Northwest to north winds 5 to 10 knots, becoming north to northeast and increasing to near 15 knots. Seas building to 1 to 3 feet. NEarshore waters smooth to a light chop, becoming a moderate chop. Isolated showers.
Tuesday..North to northeast winds near 15 knots, becoming north and decreasing to near 10 knots. Seas 1 to 3 feet, except 2 to 3 feet west of the marquesas keys. NEarshore waters a moderate chop, becoming a light chop. Isolated showers.
Tuesday night..Northwest to north winds 10 to 15 knots, increasing to 15 to 20 knots. Seas building to 2 to 3 feet, except 3 to 4 feet west of the marquesas keys. NEarshore waters becoming a light to moderate chop, becoming choppy. Isolated showers.
Wednesday..Northwest to north winds 15 to 20 knots. Seas 2 to 3 feet, except 3 to 4 feet west of the marquesas keys. NEarshore waters choppy. Isolated showers.
Wednesday night..North winds near 15 knots, increasing to 15 to 20 knots. Seas 2 to 3 feet, except 3 to 4 feet west of the marquesas keys. NEarshore waters a moderate chop, becoming choppy.
Thursday..Northeast winds 15 to 20 knots, decreasing to near 15 knots. Seas subsiding to 2 to 3 feet. NEarshore waters choppy, becoming a moderate chop.
Thursday night..Northeast to east winds near 15 knots, decreasing to 10 to 15 knots. Seas subsiding to 1 to 2 feet. NEarshore waters a moderate chop, becoming light to moderate chop.

GMZ005 Synopsis For Keys Coastal Waters From Ocean Reef To Dry Tortugas 1030 Pm Est Sat Dec 2 2023
Synopsis..High pressure centered to the northeast of bermuda will collapse over the next 24 hours. Gentle southeast breezes are expected tonight, veering to the southeast to south Sunday morning. Breezes will become light and variable for Sunday night and early Monday as a weak frontal system approaches the florida keys coastal waters. As the front pushes through, winds will shift to the north to northeast and freshen. A second, stronger cold front will push through the coastal waters late Tuesday or early Wednesday, with fresh northerly breezes expected in its wake.
the approximate shoreward edge of the gulf stream as of december 02...
58 nm south of dry tortugas light...on loggerhead key. 28 nm south of cosgrove shoal light...off the marquesas keys. 21 nm south of sand key light...off key west. 20 nm south of looe key...off big pine key. 15 nm south of sombrero key light...off marathon. 9 nm southeast of alligator reef light...off islamorada. 5 nm southeast of molasses reef light...off key largo. 4 nm east of carysfort reef light...off ocean reef.
gulf stream information courtesy of the naval oceanographic office.

FXUS62 KKEY 030337 AFDKEY

Area Forecast Discussion National Weather Service Key West FL 1037 PM EST Sat Dec 2 2023

New DISCUSSION, MARINE, AVIATION

DISCUSSION
Issued at 941 PM EST Sat Dec 2 2023 Mean layer ridging remains in control across the Florida Keys. The 00Z KKEY RAOB sampled weakly falling heights at 925 and 850 mb, but the 500 mb height remains at 592 dm. Southeast surface winds at the Reef average 10 knots, a couple knots lower than this afternoon. Temperatures are in the upper 70s and dewpoints are in the mid 70s. If you like humidity in December, you got it. Later tonight, the Cuban land breeze may end up being the focus for a thin line of showers near day break. Nevertheless, rain chances for the island chain remain slight at best. No changes are needed with this update.

MARINE
Issued at 941 PM EST Sat Dec 2 2023 There are no watches, warnings, or advisories currently in effect for the coastal waters of the Florida Keys. High pressure centered to the northeast of Bermuda will collapse over the next 24 hours. Gentle southeast breezes are expected tonight, veering to the southeast to south Sunday morning. Breezes will become light and variable for Sunday night and early Monday as a weak frontal system approaches the Florida Keys coastal waters. As the front pushes through, winds will shift to the north to northeast and freshen. A second, stronger cold front will push through the coastal waters late Tuesday or early Wednesday, with fresh northerly breezes expected in its wake.

AVIATION
(00Z TAFS)
Issued at 941 PM EST Sat Dec 2 2023 VFR and light southeast to south breezes will prevail at the EYW and MTH terminals.

PRELIMINARY POINT TEMPS/POPS
Key West 77 83 73 82 / 10 10 10 10 Marathon 76 85 73 83 / 10 10 10 10

KEY WATCHES/WARNINGS/ADVISORIES
FL...None.
GM...None.

toggle option: (graph/table)

Key Lois
Click for Map
Sat -- 06:34 AM EST     0.17 feet Low Tide
Sat -- 06:53 AM EST     Sunrise
Sat -- 11:27 AM EST     Moonset
Sat -- 12:30 PM EST     1.21 feet High Tide
Sat -- 05:21 PM EST     0.61 feet Low Tide
Sat -- 05:36 PM EST     Sunset
Sat -- 10:28 PM EST     Moonrise
Sat -- 11:33 PM EST     1.97 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION

Key Lois, southeast end, Florida, Tide feet

Bahía Honda Harbor (Bridge) Florida Current
Click for Map
Sat -- 12:51 AM EST     -0.00 knots Slack
Sat -- 04:56 AM EST     -1.94 knots Max Ebb
Sat -- 06:52 AM EST     Sunrise
Sat -- 08:38 AM EST     0.00 knots Slack
Sat -- 11:05 AM EST     1.20 knots Max Flood
Sat -- 11:27 AM EST     Moonset
Sat -- 02:35 PM EST     -0.00 knots Slack
Sat -- 05:35 PM EST     Sunset
Sat -- 05:50 PM EST     -1.43 knots Max Ebb
Sat -- 09:22 PM EST     0.00 knots Slack
Sat -- 10:27 PM EST     Moonrise
Sat -- 11:11 PM EST     0.62 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION

Bahia Honda Harbor (Bridge) Florida Current, knots

Full Color Weather Map

Link to Loop


Other links: GEOS-West     Contential US     Full GOES-East

Key West, FL,