Saturday, March25, 2017 L-36.com


Marine Weather and Tides
Horseshoe Beach, FL

Version 3.4
What's New / NOTES
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 7:32AMSunset 7:53PM Saturday March 25, 2017 7:34 AM EDT (11:34 UTC) Moonrise 4:57AMMoonset 4:33PM Illumination 5% Phase: Waning Crescent; Moon at 27 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 Coastal Waters From Apalachicola To Destin Fl Out 20 Nm- Coastal Waters From Ochlockonee River To Apalachicola Fl Out To 20 Nm-waters From Apalachicola To Destin Fl From 20 To 60 Nm- Waters From Suwannee River To Apalachicola Fl From 20 To 60 Nm- 332 Am Edt Sat Mar 25 2017
.small craft should exercise caution...
Today..Southeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 6 seconds. Protected waters a moderate chop. Chance of showers and Thunderstorms in the afternoon.
Tonight..Southeast winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 6 seconds. Protected waters a moderate chop. Chance of showers and Thunderstorms through the night.
Sunday..South winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 5 seconds. Protected waters a light chop. Slight chance of showers and Thunderstorms in the morning.
Sunday night..Southeast winds 10 knots. Seas 2 to 3 feet. Dominant period 5 seconds. Protected waters a light chop.
Monday..South winds 10 knots. Seas 1 to 2 feet. Dominant period 5 seconds. Protected waters a light chop.
Monday night..South winds 5 to 10 knots. Seas 1 to 2 feet. Protected waters a light chop.
Tuesday..South winds 5 to 10 knots. Seas 1 to 2 feet. Protected waters a light chop. Slight chance of showers and Thunderstorms.
Tuesday night..South winds 5 to 10 knots becoming southeast early in the morning. Seas 1 to 2 feet. Protected waters mostly smooth.
Wednesday..Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Protected waters a light chop.
GMZ700 Synopsis For The Suwannee River To Destin Out To 60 Nm 332 Am Edt Sat Mar 25 2017
Synopsis.. Winds and seas will remain elevated today as a low pressure system moves towards the area. This system will weaken through the day so winds will be slowly decreasing into the afternoon hours. Conditions will improve beginning Sunday with light to moderate southeast winds and decreasing seas.

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 251045
afdtae
area forecast discussion
national weather service tallahassee fl
645 am edt Sat mar 25 2017

Aviation [through 12z Sunday]
Vfr conditions are expected. Rain showers and possibly a few
thunderstorms will approach southeast alabama and the florida
panhandle in the late afternoon and evening hours. Light rain will
continue overnight for dhn, ecp, and aby. Southerly winds will be
gusty today especially near dhn and ecp.

Prev discussion [333 am edt]
Near term [through today]
In the upper levels a cut-off low will be over mo today. The
associated trough will move through the region overnight. At the
surface a low over mo will slowly move northeast. The associated
cold front will stay well to our north. As the trough moves across
ms and al a line of strong to severe thunderstorms will likely
develop. This line will likely weaken before it gets to this region
as the surface cold front weakens and daytime heating ends. Showers
and a few thunderstorms are likely in the late afternoon and evening
hours mainly in the florida panhandle and southeast alabama (where
cape up to 900 j/kg is expected). SPC has a marginal risk outlined
west of a line from dothan to panama city.

Southerly winds will be somewhat gusty today particularly in the
florida panhandle and southeast alabama. Highs will be in the upper
70s in areas with more cloud cover (southeast alabama and florida
panhandle). Highs will be near 80 elsewhere.

Short term [tonight through Monday]
Line of thunderstorms will make it into the western parts of the
cwa in the evening hours. Instability will decrease rapidly around
sunset and thereafter with deep layer shear around 30-40 knots.

With the marginal risk outlined above, there is a slight
possibility of strong to locally damaging winds across SE alabama
and the western florida panhandle early in the evening. The line
continues to weaken with time becoming more isolated early Sunday
morning. The mid level trough swings through Sunday morning but
enough moisture may hang around for isolated showers into Sunday
afternoon. Sunday night will be dry and in-between systems. Monday
will bring a fast moving system across the mississippi river
valley bringing a chance for showers across SE alabama and sw
georgia Monday afternoon. Highs for this period will mainly be in
the upper 70s to lower 80s.

Long term [Monday night through Saturday]
The early work week system will drag a cold front into the cwa
which will stall across the area Tuesday and Wednesday. This will
serve as a focus for showers and isolated thunderstorms to develop
Wednesday before the front moves back north as a warm Wednesday
night. Thursday appears dry and in-between systems with the next
system impacting the area Thursday night into Friday. This system
bears watching as it will have better support with it as opposed
to the system earlier in the week.

Marine
Winds and seas will remain elevated today as a low pressure system
moves towards the area. This system will weaken through the day so
winds will be slowly decreasing into the afternoon hours.

Conditions will improve beginning Sunday with light to moderate
southeast winds and decreasing seas.

Fire weather
Rh values will stay above red flag criteria for the next several
days. Rain chances will increase late this afternoon in western
parts of the region.

Hydrology
Area rivers are well below flood stage currently. Storm total
rainfall associated with the next system will be around an inch or
less and the heaviest of these amounts will favor SE alabama and
the western florida panhandle. No flooding is expected with this
next system.

Preliminary point temps/pops
Tallahassee 79 59 80 58 82 / 10 30 20 0 10
panama city 73 65 75 63 75 / 30 50 20 0 10
dothan 78 61 80 61 81 / 40 50 30 10 10
albany 80 61 82 60 83 / 20 40 30 10 20
valdosta 81 59 82 58 83 / 10 20 30 10 20
cross city 81 59 81 57 81 / 10 20 20 0 10
apalachicola 75 63 76 61 76 / 20 40 20 0 10

Tae watches/warnings/advisories
Fl... High rip current risk through this evening for coastal bay-south
walton.

Ga... None.

Al... None.

Gm... None.

Near term... Mcdermott
short term... Scholl
long term... Scholl
aviation... Mcdermott
marine... Scholl
fire weather... Mcdermott
hydrology... Scholl


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KTNF1 - Keaton Beach, FL 47 mi35 min E 7 G 7 58°F 1022.7 hPa (-0.0)
CDRF1 - Cedar Key, FL 49 mi35 min E 8.9 G 9.9 65°F 1023.1 hPa (-0.0)59°F
SGOF1 - Tyndall AFB Tower C (N4), FL 50 mi35 min SE 19 G 21 67°F 1022.5 hPa (+0.3)61°F

Wind History for Cedar Key, FL
(wind in knots)    EDIT      (on/off)   Help
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NE12
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W11
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NE15
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G13
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G16
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G17

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Cross City Airport, FL54 mi60 minN 010.00 miFair52°F50°F94%1023 hPa

Wind History from CTY (wind in knots)
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Last 24hrNE5E4E6E10SE11
G17
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E7E7E5E8E5E3E3E3CalmCalmCalmCalmCalmCalm
1 day agoE7NE6NE8E10
G16
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E9E5E5E5NE4NE5NE4NE4NE4NE3E3NE4
2 days agoW5SW6W8W6SW5E3SW4N7SW11
G15
SW10SW10SW8W5W4E4E3E3NE3NE5E4E5NE6NE5E5

Tide / Current Tables for Pepperfish Keys, Florida
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Pepperfish Keys
Click for Map
Sat -- 12:34 AM EDT     3.00 feet High Tide
Sat -- 05:55 AM EDT     Moonrise
Sat -- 07:31 AM EDT     Sunrise
Sat -- 07:36 AM EDT     -0.16 feet Low Tide
Sat -- 01:45 PM EDT     2.80 feet High Tide
Sat -- 05:30 PM EDT     Moonset
Sat -- 07:47 PM EDT     0.61 feet Low Tide
Sat -- 07:48 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.932.72.21.60.90.3-0.1-0.10.20.81.62.32.72.82.62.21.71.10.70.60.91.52.2

Tide / Current Tables for Suwannee River entrance, Florida
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Suwannee River entrance
Click for Map
Sat -- 12:33 AM EDT     2.85 feet High Tide
Sat -- 05:54 AM EDT     Moonrise
Sat -- 07:18 AM EDT     -0.17 feet Low Tide
Sat -- 07:30 AM EDT     Sunrise
Sat -- 01:29 PM EDT     3.05 feet High Tide
Sat -- 05:29 PM EDT     Moonset
Sat -- 07:30 PM EDT     0.67 feet Low Tide
Sat -- 07:47 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.82.82.621.40.70.1-0.2-0.10.41.11.92.6332.72.11.510.70.711.62.2

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Southeast    EDIT
Geos

Wind Forecast for (7,2,3,4)
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Ground Weather Radar Station Tallahassee, FL
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weather_mapweather_map weather_map

Gulf Stream Current


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Disclaimer:
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 numerious 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.