Thursday, April2, 2020
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Marine Weather and Tides
Horseshoe Beach, FL

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 7:22AMSunset 7:58PM Thursday April 2, 2020 1:36 AM EDT (05:36 UTC) Moonrise 1:07PMMoonset 2:30AM Illumination 67% Phase: Waxing Gibbous; Moon at 9 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:202004021415;;431267 Fzus52 Ktae 020122 Cwftae Coastal Waters Forecast For Florida Big Bend And Eastern Panhandle National Weather Service Tallahassee Fl 922 Pm Edt Wed Apr 1 2020 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. Gmz730-750-752-755-765-770-772-775-021415- 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- 922 Pm Edt Wed Apr 1 2020 /822 Pm Cdt Wed Apr 1 2020/
Rest of tonight..Northeast winds 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a moderate chop.
Thursday..Northeast winds 10 knots becoming west 5 to 10 knots late in the afternoon. Seas 2 to 3 feet. Dominant period 3 seconds. Protected waters a light chop.
Thursday night..Northwest winds 5 to 10 knots becoming northeast 10 knots after midnight. Seas 1 foot. Dominant period 4 seconds. Protected waters a light chop.
Friday..Southeast winds 10 knots. Seas 1 foot. Dominant period 3 seconds. Protected waters a light chop.
Friday night..South winds 5 to 10 knots early in the evening becoming light and variable winds, then becoming northeast 5 to 10 knots after midnight. Seas 1 foot or less. Dominant period 3 seconds. Protected waters smooth.
Saturday..Southeast winds 5 to 10 knots. Seas 1 foot or less. Protected waters a light chop.
Saturday night..South winds 5 to 10 knots becoming east 10 knots after midnight. Seas 1 to 2 feet. Protected waters a light chop. Slight chance of showers.
Sunday..Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Protected waters a light chop. Slight chance of showers through the day.
Sunday night..Southeast winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Protected waters a light chop.
Monday..Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Protected waters a moderate chop. Slight chance of showers and Thunderstorms in the afternoon.
GMZ700 Synopsis For The Suwannee River To Okaloosa-walton County Line Out To 60 Nm 922 Pm Edt Wed Apr 1 2020
Synopsis.. Borderline cautionary conditions subside by Thurs morning as the pressure gradient continues to weaken from a departing low- pressure system to the northeast. Winds and seas are forecast to relax below cautionary levels over the next few days. Waves then build up to 4-5 ft late Sun.


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 020513 AFDTAE

Area Forecast Discussion National Weather Service Tallahassee FL 113 AM EDT Thu Apr 2 2020

AVIATION. [Through 06Z Friday]

VFR through the period with light winds as high pressure will be anchored across the area.

PREV DISCUSSION [926 PM EDT].

NEAR TERM [Through Tomorrow].

High pressure will dominate through the near term with dry conditions through tomorrow. Skies will mainly be clear. The big difference weather wise compared to the past few days are the cooler temperatures. Lows tonight will be in the 40s with highs tomorrow in the 70s, both around normal.

SHORT TERM [Tomorrow Night and Friday Night].

Ridging aloft combined with surface high pressure prevails during the short term in the wake of Tuesday's system. Fair weather with mostly clear skies and light winds are expected to continue. With a cool and dry airmass in place, temperatures should be at or near seasonal values. Highs are forecast to be in the upper 70s/low 80s and lows in the 50s.

LONG TERM [Saturday Through Wednesday].

This weekend should see some airmass modification to warm and moist as onshore flow advects maritime tropical air inland. This will increase cloud cover that should keep high temperatures in the low 80s through Mon. Meanwhile, a disturbance forms around southeast TX in the wake of a lifting frontal boundary to the north. The GFS and ECMWF differ on the evolution of this system. The former solution tracks the disturbance eastward and shows a developing area of low pressure over the northeast Gulf on Sun. The ECMWF has the system linger around TX through the weekend before tracking along the crest of a ridge over the southeast CONUS late Mon. To account for these scenarios, low-end PoPs return to the forecast on Sun from the west to southwest, with chance PoPs focused on our western and northern forecast area for the remainder of the period. There also appears to be sufficient instability to support some convection, so included a slight chance of thunder for the areas with PoPs from Mon, onward. High temperatures are expected to reach the upper 80s Tues and Wed (lows in the 60s throughout the period).

It is worth noting with regards to the aforementioned disturbance that the Day 3 Outlook from SPC highlights southeast TX with a slight-to-marginal risk for severe weather in the Thurs-Fri timeframe. The confidence in the severe threat possibly shifting eastward with the system's projected path in the subsequent days is low at the moment. The system's evolution certainly bares watching.

MARINE.

Cautionary conditions subside by Thurs morning as the pressure gradient continues to weaken from a departing low-pressure system to the northeast. Winds and seas are forecast to relax below cautionary levels over the next few days. Waves then build up to 4-5 ft late Sun and range from 2 and 4 ft through Tues.

FIRE WEATHER.

RH values will be on the lower side tomorrow with values in the upper 20 percent range across some areas. Despite the dry weather though, winds are on the lighter side and thus Red Flag conditions are not forecast to be met.

HYDROLOGY.

A Flood Warning is currently in effect for Apalachicola River - Blountstown, but is forecast to be right at the lower limit of minor flood stage (17 ft) before dropping back into action stage Thurs morning. Otherwise, there are no flood concerns. For precipitation, Day 1-7 QPF estimates generally show 0.5 inches of rainfall or less.

SPOTTER INFORMATION STATEMENT.

Spotter activation is not requested. However, spotters are always encouraged to safely report significant weather conditions when they occur by calling the office or tweeting us @NWSTallahassee.

PRELIMINARY POINT TEMPS/POPS.

Tallahassee 77 51 83 54 85 / 0 0 0 0 0 Panama City 75 57 78 60 81 / 0 0 0 0 0 Dothan 73 50 80 54 83 / 0 0 0 0 0 Albany 72 49 79 53 82 / 0 0 0 0 0 Valdosta 74 49 80 53 83 / 0 0 0 0 0 Cross City 77 50 82 54 85 / 0 0 0 0 0 Apalachicola 72 58 76 60 78 / 0 0 0 0 0

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

NEAR TERM . Fieux SHORT TERM . IG LONG TERM . IG AVIATION . Scholl MARINE . IG FIRE WEATHER . Fieux HYDROLOGY . IG


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KTNF1 - Keaton Beach, FL 47 mi36 min NE 2.9 G 4.1 54°F 1016.1 hPa (+1.4)50°F
CDRF1 - Cedar Key, FL 49 mi36 min NNE 7 G 8.9 61°F 1015.8 hPa (+1.2)46°F
SGOF1 - Tyndall AFB Tower C (N4), FL 50 mi36 min N 12 G 14 68°F 1016 hPa (+1.3)47°F

Wind History for Cedar Key, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Cross City Airport, FL54 mi41 minN 010.00 miFair47°F44°F91%1016.3 hPa

Link to 5 minute data for KCTY

Wind History from CTY (wind in knots)
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2 days agoCalmCalmCalmCalmCalmCalmCalmCalmW4CalmSW7SW11
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Tide / Current Tables for Pepperfish Keys, Florida
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Pepperfish Keys
Click for Map
Thu -- 03:28 AM EDT     Moonset
Thu -- 04:04 AM EDT     0.09 feet Low Tide
Thu -- 07:21 AM EDT     Sunrise
Thu -- 11:19 AM EDT     2.50 feet High Tide
Thu -- 02:03 PM EDT     Moonrise
Thu -- 04:00 PM EDT     1.84 feet Low Tide
Thu -- 07:52 PM EDT     Sunset
Thu -- 09:00 PM EDT     2.59 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.30.80.50.20.10.20.50.91.522.32.52.52.32.11.91.81.92.12.32.52.62.52.3

Tide / Current Tables for Suwannee River entrance, Florida
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Suwannee River entrance
Click for Map
Thu -- 03:26 AM EDT     Moonset
Thu -- 03:58 AM EDT     0.09 feet Low Tide
Thu -- 07:20 AM EDT     Sunrise
Thu -- 11:13 AM EDT     2.53 feet High Tide
Thu -- 02:03 PM EDT     Moonrise
Thu -- 03:54 PM EDT     1.84 feet Low Tide
Thu -- 07:51 PM EDT     Sunset
Thu -- 08:54 PM EDT     2.62 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.20.80.40.20.10.20.511.522.42.52.52.32.11.91.81.92.12.42.62.62.52.3

Weather Map
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wmap_A
GEOS Local Image of Southeast    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for (1,6,7,8)
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Ground Weather Radar Station Tallahassee, FL
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Gulf Stream Current


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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.