Key Colony Beach, FL Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Key Colony Beach, FL

June 21, 2024 2:34 PM EDT (18:34 UTC) Change Location
Sunrise 6:38 AM   Sunset 8:20 PM
Moonrise 7:23 PM   Moonset 4:53 AM 
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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.

Marine Forecasts
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GMZ053 Expires:202406212030;;410460 Fzus52 Kkey 211426 Cwfkey
coastal waters forecast for the florida keys national weather service key west fl 1026 am edt Fri jun 21 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.
wave detail will include details about the period and direction of origin for the highest energy waves. Long-period swells coming from a different direction than the wind would be included in the wave detail.
gmz052>055-072>075-212030- 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 west end of seven mile bridge to south of halfmoon shoal out 20 nm- straits of florida from halfmoon shoal to 20 nm west of dry tortugas 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- straits of florida from west end of seven mile bridge to south of halfmoon shoal 20 to 60 nm out- straits of florida from halfmoon shoal to 20 nm west of dry tortugas 20 to 60 nm out- 1026 am edt Fri jun 21 2024

This afternoon - East winds near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 5 seconds. Scattered showers and Thunderstorms.

Tonight - East to southeast winds 15 to 20 knots, decreasing to near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 3 feet at 5 seconds. Numerous showers and scattered Thunderstorms.

Saturday - East to southeast winds near 15 knots. Seas 3 to 4 feet. Wave detail: east 3 feet at 5 seconds. Scattered showers and Thunderstorms.

Saturday night - East to southeast winds near 15 knots, decreasing to 10 to 15 knots. Seas subsiding to 2 to 3 feet. Scattered showers and Thunderstorms.

Sunday - East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers and Thunderstorms.

Sunday night - East to southeast winds near 10 knots. Seas subsiding to around 2 feet. Scattered showers and isolated Thunderstorms.

Monday - East to southeast winds near 10 knots. Seas 1 to 2 feet. Scattered showers and isolated Thunderstorms.

Monday night - East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Scattered showers and isolated Thunderstorms.

Tuesday - Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Scattered showers and isolated Thunderstorms.

Tuesday night - Southeast to south winds 5 to 10 knots. Seas 1 to 2 feet. Scattered showers and isolated Thunderstorms.

GMZ005 Synopsis For Keys Coastal Waters From Ocean Reef To Dry Tortugas 1026 Am Edt Fri Jun 21 2024

Synopsis - Interaction among low pressure off the east coast of florida, high pressure centered north of bermuda, and broad low pressure in the vicinity of the yucatan peninsula will result in gentle to moderate east to southeast breezes over the next few days. Moisture pulled into our area via the low to the west will result in waves of unsettled weather this weekend. High pressure building over the north atlantic early next week will result in light to gentle southeast to south breezes and a return to near- normal rain and Thunder chances.
the approximate shoreward edge of the gulf stream as of june 19 - .
67 nm south of dry tortugas light - .on loggerhead key. 35 nm south of cosgrove shoal light - .off the marquesas keys. 28 nm south of sand key light - .off key west. 29 nm south of looe key - .off big pine key. 34 nm south of sombrero key light - .off marathon. 23 nm southeast of alligator reef light - .off islamorada. 19 nm southeast of molasses reef light - .off key largo.
gulf stream information courtesy of the national weather service in key west.


7 Day Forecast for Marine Location Near Key Colony Beach, FL
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Area Discussion for - Key West, FL
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FXUS62 KKEY 211447 AFDKEY

Area Forecast Discussion National Weather Service Key West FL 1047 AM EDT Fri Jun 21 2024

New DISCUSSION, MARINE, AVIATION

DISCUSSION
Issued at 1045 AM EDT Fri Jun 21 2024 Composite vorticity analysis places an area of low pressure centered just east of the Florida First Coast from the surface up to around 500 mb, and another broad area of low pressure centered in the western Gulf of Mexico. These features are interacting with broad high pressure centered north of Bermuda to produce a net east to southeast steering flow. Dry air sampled in last evening's sounding up to around 750 mb has been largely eradicated, as the aforementioned low pressure features advect deep, tropical moisture in from the southeast towards the Keys.

KBYX and KAMX Doppler radar's have been detecting minimal shower activity thus far this morning, although this is expected to change over the next several hours. An uncapped tropospheric profile sampled this morning at KEY, along with no inhibition and increased boundary layer moisture, will support proliferation of scattered showers and thunderstorms by late this afternoon or evening. Available convective allowing model (CAM) guidance supports this meteorological reasoning, although there remains a bit of uncertainty in timing of convective triggering. Bouts of broken sunshine should allow temperatures to reach the upper 80s during peak heating. No changes proposed to the inherited short- term forecast.

MARINE
Issued at 1045 AM EDT Fri Jun 21 2024 There are currently no watches, warnings, or advisories in effect across the Florida Keys coastal waters. Although Florida Keys marine zones are generally dry for now, scattered showers and thunderstorms are expected to develop by late this afternoon or this evening. Any stronger thunderstorm will have the potential to produce blinding downpours, gusty winds and confused seas, and cloud to surface lightning strikes. From synopsis, interaction among low pressure off the east coast of Florida, high pressure centered north of Bermuda, and broad low pressure in the vicinity of the Yucatan Peninsula will result in gentle to moderate east to southeast breezes over the next few days. Moisture pulled into our area via the low to the west will result in waves of unsettled weather this weekend. High pressure building over the North Atlantic early next week will result in light to gentle southeast to south breezes and a return to near- normal rain and thunder chances.

AVIATION
(15Z TAFS)
Issued at 1045 AM EDT Fri Jun 21 2024 VFR conditions will prevail at both EYW and MTH through the TAF period. Shower activity will return later this afternoon into the evening so VCSH is included. Near surface winds are easterly at near 10 knots.

CLIMATE
In 1986, an F1 tornado caused $250k in damage between Plantation and Tavernier. Tropical Storm Bonnie formed two days later on the 23rd in the central Gulf of Mexico moving westward, so this tornado may have been caused by the initial depression/circulation.

PRELIMINARY POINT TEMPS/POPS
Key West 79 88 79 88 / 50 50 50 50 Marathon 80 88 80 88 / 50 50 50 50

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




Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
VCAF1 - 8723970 - Vaca Key, FL 1 mi47 minE 8G15 86°F 85°F
SMKF1 - Sombrero Key, FL 5 mi35 min 30.01
LONF1 - Long Key, FL 16 mi35 minE 13G15 84°F 30.0178°F
LRKF1 - Little Rabbit Key, FL 24 mi95 min 85°F
PKYF1 - Peterson Key, FL 24 mi95 min 85°F
JKYF1 - Johnson Key, FL 27 mi95 min 87°F
MUKF1 - Murray Key, FL 29 mi95 min 86°F
BKYF1 32 mi95 min 83°F
BOBF1 - Bob Allen, FL 32 mi95 min 85°F
WRBF1 - Whipray Basin, FL 32 mi95 min8 85°F
GBTF1 - Garfield Bight, FL 36 mi95 min 87°F
TBYF1 37 mi95 min 87°F
WWEF1 38 mi155 min 84°F
BSKF1 39 mi155 min 84°F
KYWF1 - 8724580 - Key West, FL 39 mi47 minESE 12G18 91°F 85°F30.05
BNKF1 - Butternut Key, FL 41 mi95 min 85°F
LMDF1 - Little Madeira, FL 41 mi95 min 86°F
CWAF1 42 mi155 min 85°F
LRIF1 42 mi95 min 87°F
TRRF1 - Taylor River, FL 43 mi95 min 85°F
SANF1 - Sand Key, FL 44 mi35 minE 17G19 83°F 30.0378°F
NRRF1 45 mi95 min 85°F
SREF1 45 mi95 min 85°F
DKKF1 - Duck Key, FL 46 mi95 min 84°F
TCVF1 - Trout Cove, FL 46 mi95 min 85°F
GBIF1 - Gunboat Island, FL 47 mi95 min 85°F
JBYF1 47 mi95 min 85°F
BWSF1 - Blackwater Sound, FL 48 mi95 min 85°F


Wind History for Vaca Key, FL
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KMTH THE FLORIDA KEYS MARATHON INTL,FL 3 sm41 minE 1210 smPartly Cloudy88°F79°F75%30.04
Link to 1 hour of 5 minute data for KMTH
   
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Wind History graph: MTH
(wind in knots)
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Tide / Current for Boot Key Harbor, Vaca Key, Florida
   
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Boot Key Harbor
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Fri -- 02:02 AM EDT     0.69 feet Low Tide
Fri -- 05:53 AM EDT     Moonset
Fri -- 06:36 AM EDT     Sunrise
Fri -- 08:35 AM EDT     2.31 feet High Tide
Fri -- 04:01 PM EDT     -0.41 feet Low Tide
Fri -- 08:16 PM EDT     Sunset
Fri -- 08:22 PM EDT     Moonrise
Fri -- 09:10 PM EDT     Full Moon
Fri -- 10:33 PM EDT     1.13 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Boot Key Harbor, Vaca Key, Florida, Tide feet
12
am
0.9
1
am
0.8
2
am
0.7
3
am
0.8
4
am
1
5
am
1.3
6
am
1.7
7
am
2.1
8
am
2.3
9
am
2.3
10
am
2.1
11
am
1.7
12
pm
1.2
1
pm
0.6
2
pm
0.1
3
pm
-0.3
4
pm
-0.4
5
pm
-0.3
6
pm
-0
7
pm
0.3
8
pm
0.7
9
pm
1
10
pm
1.1
11
pm
1.1


Tide / Current for Moser Channel (swingbridge), Florida Current
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Moser Channel (swingbridge)
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Fri -- 12:33 AM EDT     -0.00 knots Slack
Fri -- 03:25 AM EDT     -1.61 knots Max Ebb
Fri -- 05:53 AM EDT     Moonset
Fri -- 06:36 AM EDT     Sunrise
Fri -- 06:38 AM EDT     0.00 knots Slack
Fri -- 08:53 AM EDT     1.01 knots Max Flood
Fri -- 11:32 AM EDT     -0.00 knots Slack
Fri -- 03:13 PM EDT     -2.33 knots Max Ebb
Fri -- 06:41 PM EDT     0.00 knots Slack
Fri -- 08:16 PM EDT     Sunset
Fri -- 08:23 PM EDT     Moonrise
Fri -- 09:10 PM EDT     Full Moon
Fri -- 09:42 PM EDT     2.00 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Moser Channel (swingbridge), Florida Current, knots
12
am
0.5
1
am
-0.4
2
am
-1.2
3
am
-1.6
4
am
-1.6
5
am
-1.2
6
am
-0.5
7
am
0.3
8
am
0.8
9
am
1
10
am
0.8
11
am
0.3
12
pm
-0.3
1
pm
-1.2
2
pm
-2
3
pm
-2.3
4
pm
-2.2
5
pm
-1.6
6
pm
-0.7
7
pm
0.3
8
pm
1.3
9
pm
1.9
10
pm
2
11
pm
1.7


Weather Map
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GEOS Local Image of Southeast   
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Key West, FL,




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