Tuesday, May11, 2021
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Marine Weather and Tides
Horseshoe Beach, FL

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:43AMSunset 8:23PM Tuesday May 11, 2021 7:23 AM EDT (11:23 UTC) Moonrise 5:46AMMoonset 7:23PM Illumination 0% Phase: New Moon; Moon at 29 days in cycle
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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GMZ775 Expires:202105111930;;931953 Fzus52 Ktae 110617 Cwftae Coastal Waters Forecast For Florida Big Bend And Eastern Panhandle National Weather Service Tallahassee Fl 217 Am Edt Tue May 11 2021 Gulf Coastal Waters From The Mouth Of The Suwannee River To Okaloosa-walton County Line Out To 60 Nm. Seas Are Provided As A Range Of The Average Height Of The Highest 1/3 Of The Waves...along With The Occasional Height Of The Average Highest 1/10 Of The Waves. Gmz730-750-752-755-765-770-772-775-111930- Apalachee Bay Or Coastal Waters From Keaton Beach To Ochlockonee River Fl Out To 20 Nm- Coastal Waters From Mexico Beach To Okaloosa Walton County Line Fl Out 20 Nm- Coastal Waters From Mexico Beach To Apalachicola Fl Out 20 Nm- Coastal Waters From Ochlockonee River To Apalachicola Fl Out To 20 Nm- Coastal Waters From Suwannee River To Keaton Beach Fl Out 20 Nm- Waters From Mexico Beach To Okaloosa Walton County Line Fl From 20 To 60 Nm- Waters From Apalachicola To Mexico Beach Fl From 20 To 60 Nm- Waters From Suwannee River To Apalachicola Fl From 20 To 60 Nm- 217 Am Edt Tue May 11 2021 /117 Am Cdt Tue May 11 2021/
Today..South winds 5 to 10 knots. Seas 1 to 2 feet. Dominant period 5 seconds. Protected waters mostly smooth. Slight chance of showers and Thunderstorms in the morning.
Tonight..South winds 5 to 10 knots. Seas 1 to 2 feet. Dominant period 5 seconds. Protected waters mostly smooth.
Wednesday..Southwest winds 5 to 10 knots becoming west late in the afternoon. Seas 1 to 2 feet. Dominant period 5 seconds. Protected waters mostly smooth. Slight chance of showers and Thunderstorms in the morning. Chance of showers and Thunderstorms in the afternoon.
Wednesday night..North winds 5 to 10 knots becoming northeast 10 to 15 knots in the late evening. Seas 1 to 2 feet. Dominant period 4 seconds. Protected waters a light chop. Chance of showers and slight chance of Thunderstorms.
Thursday..Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a light chop. Chance of showers in the morning. Slight chance of Thunderstorms through the day. Slight chance of showers in the afternoon.
Thursday night..Northeast winds 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a moderate chop.
Friday..North winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 5 seconds. Protected waters a moderate chop.
Friday night..Northeast winds 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a moderate chop.
Saturday..Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a light chop.
GMZ700 Synopsis For The Suwannee River To Okaloosa-walton County Line Out To 60 Nm 217 Am Edt Tue May 11 2021
Synopsis.. Outside of possible showers and Thunderstorms, winds and seas will remain below headline levels through the middle of the week, as a front remains stalled near the waters. The front will sag southward by Thursday, with high pressure building in from the north. This may allow for offshore winds to approach exercise caution levels from Thursday through Saturday.


7 Day Forecast for Marine Location Near Horseshoe Beach, FL
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location: 29.2, -83.95     debug


Area Discussion for -
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FXUS62 KTAE 110742 AFDTAE

Area Forecast Discussion National Weather Service Tallahassee FL 342 AM EDT Tue May 11 2021

NEAR TERM [Through Tonight].

A very similar pattern to yesterday across the upper levels, with small vorticity maxima propagating along a predominantly Zonal flow pattern across the southeast today. This will aid in thunderstorm development across the region towards the late afternoon and early evening hours. Overall placement of thunderstorm activity at this time generally seems to be across SE Alabama and SW Georgia, with a southern extent along the Florida border possible earlier in the afternoon where instability will be greatest due to low 70 dewpoints across the Florida Panhandle and Big Bend. Instability across the region today will generally run around 1500-2000 J/Kg of SBCAPE, which this coupled with around 30 knots of deep layer shear is a sufficient enough environment to aid in the possibility of some storms to be able to produce severe wind gusts as well as hail up to quarter size. Overall expect temperatures to climb into the upper 80s and lows dropping into the upper 60s across much of the region.

SHORT TERM [Wednesday Through Thursday].

Frontal position to start this period will be draped from the western FL panhandle ENE into south central GA. The front will sag south off the coast and into the Gulf waters by Wednesday evening then continuing south through the middle portions of the FL peninsula Thursday. Scattered showers and thunderstorms will develop through the day Wednesday into Wednesday night then rain chances decrease from west to east beginning Thursday afternoon. Instability Wednesday south of Dothan to Albany will be 1000-1500 J/kg in the afternoon hours at peak heating and shear is around 30 knots so some loose organization of storms could occur. If so, isolated strong to perhaps damaging wind gusts could occur; thus SPC has us in a marginal risk for Wednesday in the aforementioned areas. Daytime highs Wednesday will be in the upper 70s to mid 80s with cooler highs for Thursday in the upper 60s to low 70s.

LONG TERM [Thursday Night Through Tuesday].

Fairly dry forecast once the cold front departs Thursday with high pressure building in at the surface despite troughing along the eastern seaboard into Saturday. An upstream mid level ridge axis will swing by Sunday followed by troughing Monday and Tuesday. A rather long fetch of moisture will advect from the Caribbean and Gulf of Mexico ahead of the next low pressure system early next week so a return of rain chances will occur during this time frame. Highs will warm through the period with readings around 80 Friday to mid/upper 80s early next week.

AVIATION. [Through 06Z Wednesday]

IFR CIGs are expected in the early morning hours. TLH is currently observing LIFR CIGs, but will likely go up and down between LIFR and IFR through the overnight hours. A few other terminals may drop to LIFR briefly before sunrise. VFR conditions will return by early afternoon. Scattered showers and thunderstorms are expected in the afternoon and evening hours. Southerly or southwesterly winds will be light.

MARINE.

Outside of possible showers and thunderstorms, winds and seas will remain below headline levels through the middle of the week, as a front remains stalled near the waters. The front will sag southward by Thursday, with high pressure building in from the north. This may allow for offshore winds to approach exercise caution levels from Thursday through Saturday.

FIRE WEATHER.

Another day with the chance of showers and thunderstorms towards later in the evening is expected today. With the increased moisture and chance for rain across the region today, there are no fire weather concerns at this time.

HYDROLOGY.

Cold front will sag into the area today and Wednesday then off the Gulf coast Wednesday night. Good chances of rain will occur through Thursday then end from west to east Thursday afternoon. Generally 1-2 inches of rainfall will occur; the heavier side of those amounts will fall through SE AL and SW GA. Some isolated higher amounts could also occur if training of storms set up near the front. Beyond Thursday, a dry forecast is in store into the weekend.

SPOTTER INFORMATION STATEMENT.

Spotter activation is not requested. However, spotters are always encouraged to safely report significant weather conditions when they occur (while following all local, state, and CDC guidelines) by calling the office or tweeting us @NWSTallahassee.

PRELIMINARY POINT TEMPS/POPS.

Tallahassee 87 68 85 60 71 / 40 30 60 50 50 Panama City 82 70 81 62 73 / 20 50 50 40 40 Dothan 85 66 78 55 66 / 70 80 70 50 40 Albany 87 68 79 54 65 / 50 70 70 50 40 Valdosta 87 68 84 57 68 / 40 30 70 50 50 Cross City 87 68 88 64 76 / 20 10 30 30 40 Apalachicola 81 70 81 64 73 / 20 10 30 30 40

TAE WATCHES/WARNINGS/ADVISORIES. FL . None. GA . None. AL . None. GM . None.

NEAR TERM . Bunker SHORT TERM . Scholl LONG TERM . Scholl AVIATION . Bunker MARINE . Scholl FIRE WEATHER . Bunker HYDROLOGY . Scholl


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KTNF1 - Keaton Beach, FL 47 mi83 min ENE 2.9 G 4.1 69°F 1018.1 hPa (+0.3)69°F
CDRF1 - Cedar Key, FL 49 mi83 min E 4.1 G 4.1 75°F 1017.9 hPa (-0.0)75°F
SGOF1 - Tyndall AFB Tower C (N4), FL 50 mi83 min E 5.1 G 5.1 74°F 1017.3 hPa (+0.0)74°F

Wind History for Cedar Key, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Cross City Airport, FL54 mi48 minN 010.00 miOvercast69°F68°F96%1017.9 hPa

Link to 5 minute data for KCTY

Wind History from CTY (wind in knots)
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Last 24hrCalmCalmW5W6W11W10W9W9SW9W10
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W8W8W4S4CalmCalmN3CalmCalmCalmCalmCalmCalmCalm
1 day agoSE4SE5S6S10S8
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SW10S9SW8SW3CalmCalmCalmS4S3SE4CalmSE3CalmS4
2 days agoCalmNE3NE5NE7NE5
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Tide / Current Tables for Pepperfish Keys, Florida
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Pepperfish Keys
Click for Map
Tue -- 02:50 AM EDT     3.00 feet High Tide
Tue -- 06:42 AM EDT     Moonrise
Tue -- 06:43 AM EDT     Sunrise
Tue -- 08:20 AM EDT     1.09 feet Low Tide
Tue -- 02:05 PM EDT     3.50 feet High Tide
Tue -- 03:01 PM EDT     New Moon
Tue -- 08:16 PM EDT     Sunset
Tue -- 08:21 PM EDT     Moonset
Tue -- 09:16 PM EDT     -0.19 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.62.42.932.82.31.81.31.11.21.52.12.83.33.53.42.92.21.40.70.1-0.2-0.10.4

Tide / Current Tables for Suwannee River entrance, Florida
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Suwannee River entrance
Click for Map
Tue -- 02:44 AM EDT     3.03 feet High Tide
Tue -- 06:42 AM EDT     Moonrise
Tue -- 06:42 AM EDT     Sunrise
Tue -- 08:14 AM EDT     1.09 feet Low Tide
Tue -- 01:59 PM EDT     3.54 feet High Tide
Tue -- 03:01 PM EDT     New Moon
Tue -- 08:15 PM EDT     Sunset
Tue -- 08:20 PM EDT     Moonset
Tue -- 09:10 PM EDT     -0.19 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.72.52.932.82.31.81.31.11.21.62.22.93.43.53.42.92.21.30.60.1-0.2-00.5

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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