Sunrise 6:45 AM   Sunset 8:01 PM Moonrise 5:56 AM   Moonset 7:55 PM

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GMZ035 Expires:202405081430;;832658 Fzus52 Kkey 080825 Cwfkey
coastal waters forecast for the florida keys national weather service key west fl 425 am edt Wed may 8 2024
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.
gmz032-035-081430- 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- 425 am edt Wed may 8 2024
Today - East to southeast winds 10 to 15 knots, increasing to near 15 knots. Seas 1 to 2 feet. NEarshore waters a light to moderate chop, becoming a moderate chop. Tonight - East to southeast winds 15 to 20 knots, becoming southeast after midnight. Seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. NEarshore waters choppy.Thursday - Southeast winds near 15 knots, becoming east to southeast near 10 knots in the afternoon. Seas 1 to 2 feet, subsiding to around 1 foot. West of the marquesas keys, seas 2 to 3 feet, subsiding to 1 to 2 feet. NEarshore waters a moderate chop, becoming a light chop.Thursday night - East to southeast winds 10 to 15 knots, becoming southeast to south after midnight. Seas around 1 foot, except 1 to 2 feet west of the marquesas keys. NEarshore waters a light to moderate chop.Friday - Southeast to south winds near 10 knots, becoming southwest to west 5 to 10 knots in the afternoon. Seas subsiding to 1 foot or less. NEarshore waters a light chop, becoming smooth to a light chop. Friday night - West winds near 5 knots. Seas 1 foot or less. NEarshore waters smooth. Isolated showers. Saturday - West winds 5 to 10 knots, increasing to near 10 knots in the afternoon. Seas 1 foot or less. NEarshore waters smooth to a light chop, becoming a light chop. Isolated showers. Saturday night - West to northwest winds near 10 knots, becoming northwest. Seas around 1 foot. NEarshore waters a light chop. Isolated showers. Sunday - North winds near 5 knots, becoming variable in the afternoon. Seas 1 foot or less. NEarshore waters smooth. Isolated showers. Sunday night - Northeast to east winds near 5 knots, becoming southeast 5 to 10 knots after midnight. Seas 1 foot or less. NEarshore waters smooth, becoming smooth to a light chop. Isolated showers.

GMZ005 Synopsis For Keys Coastal Waters From Ocean Reef To Dry Tortugas 425 Am Edt Wed May 8 2024
Synopsis - High pressure over the western north atlantic will maintain moderate to occasionally fresh east to southeast breezes through Thursday night. Breezes will slacken and veer to the south and southwest Friday into the weekend, as the high shifts southward over the western atlantic, and a weak frontal boundary stalls north of the florida keys coastal waters.
the approximate shoreward edge of the gulf stream as of may 3 - .
64 nm south of dry tortugas light - .on loggerhead key. 20 nm south of cosgrove shoal light - .off the marquesas keys. 9 nm south of sand key light - .off key west. 8 nm south of looe key - .off big pine key. 11 nm south of sombrero key light - .off marathon. 9 nm southeast of alligator reef light - .off islamorada. 8 nm southeast of molasses reef light - .off key largo.
gulf stream analysis courtesy of the national weather service in key west.

FXUS62 KKEY 080829 AFDKEY

Area Forecast Discussion National Weather Service Key West FL 429 AM EDT Wed May 8 2024

New DISCUSSION, MARINE, AVIATION

DISCUSSION
Issued at 429 AM EDT Wed May 8 2024

Mostly clear, warm and dry conditions prevail along the Florida Keys on this early Wednesday morning, with radars detecting no precipitation across the region. Temperatures are hovering in the upper 70s to near 80, with dewpoints in the mid 70s, and winds on land from the southeast at 10 to 15 mph. Surface analysis has changed little during the past 24 hours, with high pressure centered over the western Atlantic, and the Keys remaining in moderate ESE flow along the southwestern flank of this high.
Aloft, deep ridging over the Gulf has strengthened during the past 24 hours, with a lower to mid level ridge building over the Florida peninsula. This is reflected by the 00Z Key West sounding, which shows warming and drying in the lower to mid levels during the past 24 hours, with a strengthening inversion based near 4000 feet, and PW dropping to near normal at 1.38 inches. Recent MIMIC-TPW satellite imagery shows similar estimated PWs around the Keys, with an even drier airmass (estimated PWs barely above one inch) pushing westward into the northern Bahamas.

Mostly clear, warm and mainly dry weather will prevail through the rest of the work week, as mid level ridging persists over the Gulf of Mexico, and a dry airmass with a low inversion prevents even isolated shower development. Temps will remain a few degrees above normal, with highs in the upper 80s and lows near 80.

Heading into the weekend, a mid-latitude trough swinging offshore from the eastern CONUS will flatten the subtropical ridge south of our latitude, with a surface frontal boundary pushing down the Florida peninsula. This front appears likely to stall and dissipate over South Florida during the weekend with no significant airmass change for the Keys, but may introduce a brief interlude of northerly breezes Saturday night and slightly lower dewpoints on Sunday. Guidance has trended drier through the weekend, and have lowered PoPs accordingly to just 10 percent with mention of thunder removed through Sunday night.

The forecast becomes more uncertain early next week, as guidance varies with the handling of the next trough forecast to push eastward from the Southern Plains. It does appear that we should have somewhat greater moisture available, with the subtropical ridge remaining suppressed to our south. Therefore have maintained 20 to 30 percent PoPs with a mention of thunder for Monday through Tuesday. Temps will change little however, with highs in the upper 80s and lows in the upper 70s to near 80.

MARINE
Issued at 429 AM EDT Wed May 8 2024

Overnight observations show SE breezes of 10 to 15 knots along the reef and at Long Key C-MAN, with seas at Satan Shoal running just below 3 feet. No marine headlines are currently in effect, but Small Craft Exercise Caution headlines may be needed for many of the marine zones tonight. From the synopsis, high pressure over the western North Atlantic will maintain moderate to occasionally fresh east to southeast breezes through Thursday night. Breezes will slacken and veer to the south and southwest Friday into the weekend, as the high shifts southward over the western Atlantic, and a weak frontal boundary stalls north of the Florida Keys coastal waters.

AVIATION
(06Z TAFS)
Issued at 429 AM EDT Wed May 8 2024

VFR conditions will prevail at the EYW and MTH terminals through the TAF period. Near surface winds will be east to southeasterly at 10 to 15 knots.

CLIMATE
On this day in 2016, the daily record low temperature of 63F was recorded in Key West. This is also tied as the coldest temperature ever recorded in May. Temperature records for Key West date back to 1873.

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

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Key Lois
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Wed -- 02:53 AM EDT     0.27 feet Low Tide
Wed -- 06:45 AM EDT     Sunrise
Wed -- 06:55 AM EDT     Moonrise
Wed -- 08:57 AM EDT     2.36 feet High Tide
Wed -- 04:20 PM EDT     -0.47 feet Low Tide
Wed -- 07:59 PM EDT     Sunset
Wed -- 08:54 PM EDT     Moonset
Wed -- 10:40 PM EDT     1.27 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION

Key Lois, southeast end, Florida, Tide feet

Key West
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Wed -- 02:11 AM EDT     -1.99 knots Max Ebb
Wed -- 05:43 AM EDT     0.00 knots Slack
Wed -- 06:47 AM EDT     Sunrise
Wed -- 06:56 AM EDT     Moonrise
Wed -- 08:07 AM EDT     1.05 knots Max Flood
Wed -- 10:34 AM EDT     -0.00 knots Slack
Wed -- 02:08 PM EDT     -2.49 knots Max Ebb
Wed -- 05:48 PM EDT     0.00 knots Slack
Wed -- 08:00 PM EDT     Sunset
Wed -- 08:49 PM EDT     1.76 knots Max Flood
Wed -- 08:55 PM EDT     Moonset
Wed -- 11:54 PM EDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION

Key West, Florida Current, knots

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Key West, FL,