Key West, FL Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Key West, FL

May 5, 2024 5:00 PM EDT (21:00 UTC) Change Location
Sunrise 6:47 AM   Sunset 8:00 PM
Moonrise 3:59 AM   Moonset 4:38 PM 
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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.

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Marine Forecasts
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GMZ044 Expires:202405060230;;684092 Fzus52 Kkey 052017 Cwfkey
coastal waters forecast for the florida keys national weather service key west fl 417 pm edt Sun may 5 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.
gmz042>044-060230- hawk channel from ocean reef to craig key out to the reef- hawk channel from craig key to west end of seven mile bridge out to the reef- hawk channel from west end of seven mile bridge to halfmoon shoal out to the reef- 417 pm edt Sun may 5 2024

.small craft should exercise caution - .

Tonight - East winds 15 to 20 knots. Seas 2 to 4 feet. NEarshore waters choppy. Isolated showers.

Monday - East winds 10 to 15 knots. Seas 2 to 3 feet. NEarshore waters a light to moderate chop. Isolated showers.

Monday night - East winds near 15 knots. Seas 2 to 4 feet. NEarshore waters a moderate chop. Isolated showers.

Tuesday - East to southeast winds near 10 knots. Seas 1 to 3 feet. NEarshore waters a light chop.

Tuesday night and Wednesday - East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. NEarshore waters a light to moderate chop.

Wednesday night - East to southeast winds near 15 knots. Seas 2 to 4 feet. NEarshore waters a moderate chop.

Thursday - Southeast winds near 15 knots. Seas 2 to 4 feet. NEarshore waters a moderate chop. Isolated showers.

Thursday night - Southeast winds 10 to 15 knots. Seas 2 to 3 feet. NEarshore waters a light to moderate chop.

Friday - Southeast to south winds 10 to 15 knots. Seas 2 to 3 feet. NEarshore waters a light to moderate chop. Isolated showers.

Friday night - South to southwest winds near 10 knots. Seas 1 to 3 feet. NEarshore waters a light chop. Isolated showers.

GMZ005 Synopsis For Keys Coastal Waters From Ocean Reef To Dry Tortugas 417 Pm Edt Sun May 5 2024

Synopsis - High pressure over the western north atlantic will continue to encourage moderate to fresh easterly breezes for the next several days. Breezes will turn to the southeast and south over the course of Tuesday and Wednesday as the high pressure flattens. Chances for isolated showers will fluctuate between less than 10 percent and up to 20 percent through the week.
the approximate shoreward edge of the gulf stream as of may 03 - .
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.


7 Day Forecast for Marine Location Near Key West, FL
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Area Discussion for - Key West, FL
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FXUS62 KKEY 051950 AFDKEY

Area Forecast Discussion National Weather Service Key West FL 350 PM EDT Sun May 5 2024

New DISCUSSION, MARINE, AVIATION

DISCUSSION
Issued at 227 PM EDT Sun May 5 2024 Once again, day to day weather conditions remain similar.
Scattered clouds are transversing the forecast area, and radar shows a cluster of showers to the west and northwest of the Marquesas Keys that simply won't give up. THese showers will continue to slowly track to the northwest, and any mariners who will cross paths with these showers may temporarily experience reduced visibility as some of these showers have a history of higher reflectivity on radar. This weather will continue through the midweek, so we can essentially copy and paste the forecast each day between now and Wednesday. Chances for rainfall fluctuate between less than 10 percent and up to 10 percent over the first half of the week as well.

Things may look a little different as we head into the end of the week. Guidance is suggesting that temperatures from Thursday onward trend warmer and approach the 90 degree mark.
Climatologically, some locations along the Keys will see their first 90 degree day between mid May and mid June, so the low chances of seeing this come to fruition at the end of the week is non-zero. However, the chance is still low. Chances for rainfall will also increase at the end of the week, but they're still relatively low at 20 percent.



MARINE
Issued at 227 PM EDT Sun May 5 2024 High pressure over the western North Atlantic will continue to encourage moderate to fresh easterly breezes for the next several days. Breezes will turn to the southeast and south over the course of Tuesday and Wednesday as the high pressure flattens. Chances for isolated showers will fluctuate between less than 10 percent and up to 20 percent through the week.



AVIATION
(18Z TAFS)
Issued at 227 PM EDT Sun May 5 2024 Although a passing shower cannot be ruled out, VFR conditions will prevail at both island terminals through the TAF period. Near- surface winds will remain out of the east to southeast at 10 to 13 knots, with occasional gusts near 20 knots.



PRELIMINARY POINT TEMPS/POPS
Key West 77 85 78 86 / 20 10 10 0 Marathon 78 86 78 86 / 20 10 10 10

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




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
42095 13 mi90 min 80°F 82°F5 ft
SANF1 - Sand Key, FL 15 mi40 min ESE 17G19 80°F 29.9671°F
KYWF1 - 8724580 - Key West, FL 17 mi42 min ESE 8.9G15 86°F 82°F29.98


Wind History for Key West, FL
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KEYW KEY WEST INTL,FL 20 sm67 minE 1410 smA Few Clouds84°F72°F66%29.98
KNQX KEY WEST NAS /BOCA CHICA FIELD/,FL 23 sm67 minESE 1510 smA Few Clouds88°F73°F62%29.98
Link to 5 minute data for KEYW


Wind History from EYW
(wind in knots)
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Tide / Current for Sand Key Lighthouse, Sand Key Channel, Florida
   
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Sand Key Lighthouse
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Sun -- 01:03 AM EDT     0.11 feet Low Tide
Sun -- 04:57 AM EDT     Moonrise
Sun -- 06:49 AM EDT     Sunrise
Sun -- 07:29 AM EDT     1.56 feet High Tide
Sun -- 01:51 PM EDT     -0.25 feet Low Tide
Sun -- 05:36 PM EDT     Moonset
Sun -- 07:59 PM EDT     Sunset
Sun -- 08:28 PM EDT     1.28 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Sand Key Lighthouse, Sand Key Channel, Florida, Tide feet
12
am
0.2
1
am
0.1
2
am
0.2
3
am
0.5
4
am
0.8
5
am
1.1
6
am
1.4
7
am
1.5
8
am
1.5
9
am
1.4
10
am
1
11
am
0.6
12
pm
0.1
1
pm
-0.2
2
pm
-0.2
3
pm
-0.1
4
pm
0.2
5
pm
0.5
6
pm
0.9
7
pm
1.1
8
pm
1.3
9
pm
1.3
10
pm
1.1
11
pm
0.8



Tide / Current for Boca Grande Channel, Florida Current
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Boca Grande Channel
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Sun -- 02:36 AM EDT     0.00 knots Slack
Sun -- 04:58 AM EDT     Moonrise
Sun -- 05:24 AM EDT     1.18 knots Max Flood
Sun -- 06:50 AM EDT     Sunrise
Sun -- 08:30 AM EDT     -0.00 knots Slack
Sun -- 11:51 AM EDT     -1.67 knots Max Ebb
Sun -- 02:50 PM EDT     0.00 knots Slack
Sun -- 05:37 PM EDT     Moonset
Sun -- 05:58 PM EDT     1.60 knots Max Flood
Sun -- 08:00 PM EDT     Sunset
Sun -- 09:25 PM EDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Boca Grande Channel, Florida Current, knots
12
am
-1.4
1
am
-1.1
2
am
-0.5
3
am
0.3
4
am
0.9
5
am
1.2
6
am
1.1
7
am
0.9
8
am
0.3
9
am
-0.4
10
am
-1.1
11
am
-1.5
12
pm
-1.7
1
pm
-1.4
2
pm
-0.7
3
pm
0.1
4
pm
1
5
pm
1.5
6
pm
1.6
7
pm
1.5
8
pm
1
9
pm
0.3
10
pm
-0.5
11
pm
-1.1




Weather Map
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Key West, FL,



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