Sunday, April23, 2017 L-36.com


Marine Weather and Tides
Cedar Key, 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 6:55AMSunset 8:02PM Sunday April 23, 2017 3:44 PM EDT (19:44 UTC) Moonrise 4:10AMMoonset 4:16PM Illumination 6% 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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GMZ870 Waters From Tarpon Springs To Suwannee River Fl Out 20 To 60 Nm- 256 Pm Edt Sun Apr 23 2017
Tonight..West winds 5 to 10 knots increasing to around 15 knots after midnight. Seas 2 to 3 feet. A chance of showers and a slight chance of Thunderstorms after midnight.
Monday..West winds around 15 knots. Seas 2 to 4 feet. A chance of showers in the morning.
Monday night..West winds around 15 knots. Seas 3 to 5 feet.
Tuesday..West winds around 10 knots. Seas 2 to 4 feet.
Tuesday night..West winds around 10 knots. Seas 2 to 3 feet.
Wednesday..Southwest winds around 10 knots. Seas 2 feet.
Wednesday night..South winds around 10 knots. Seas 2 feet.
Thursday..South winds around 10 knots. Seas 2 feet.
Thursday night..South winds around 10 knots. Seas 2 to 3 feet.
Friday..South winds around 10 knots. Seas 2 to 3 feet.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 256 Pm Edt Sun Apr 23 2017
Synopsis..A trough of low pressure exits southern florida waters for the atlantic tonight as a cold front moves into the eastern gulf of mexico. The front crosses florida during Monday and exits to the atlantic Monday night. A chance of showers with a few Thunderstorms will be possible through Monday. Winds may briefly increase late Monday to near cautionary levels. High pressure builds in Tuesday and continues through the week...with an axis that meanders across central and northern florida.

7 Day Forecast for Marine Location Near Cedar Key city, FL
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location: 28.66, -83.73     debug


Area Discussion for -
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Fxus62 ktae 231733
afdtae
area forecast discussion
national weather service tallahassee fl
133 pm edt Sun apr 23 2017

Aviation [through 18z Monday]
Broken line of showers and thunderstorms currently across SW ga
swrd to near ecp with additional development west of this line.

Xpect convection to affect ecp/dhn/aby through the next few hours
as this mass of convection moves eastward. Next is tlh beginning
around 22z then vld beginning around 01z. Convection on station
will last 3-4 hours generally. Flt conds degraded to MVFR
generally with ifr underneath heavier convection. Winds will turn
nwerly as a cold front moves through ending the convection from
west to east.VFR conds to prevail overnight.

Prev discussion [927 am edt]
Near term [through today]
The 11 pm surface analysis showed a cold front extending from a 1010
mb frontal wave in northeast al to southern tx. A few bands of
showers and thunderstorms preceded this front, but were weakening as
they approached western portions of our forecast area. Upper air
data showed a positive-tilt trough from new england through ks, and
at least one short wave trough in the vicinity of the surface cold
front. The hrrr and cam consensus appeared to be handling current
convective trends well, and indicate that most of the rain will
continue to dissipate overnight, then re-develop during the morning
and afternoon hours as the surface cold front translates eastward
across our forecast area. Much of our area will get at least some
much-needed rain today.

The synoptic environment will be marginal for severe storms today,
with 0-6 km bulk shear winds only around 30 kt and MLCAPE values
approaching 1000 j/kg. Our local cam ensemble (ecam) and the ncar
cam ensemble corroborate this ingredients-based assessment, as they
indicate low probabilities of strong updrafts. The main threat will
be a few, marginally-damaging wind gusts from 40 to 60 mph and/or
quarter-size hail. High temperatures will range from the upper 70s
in southeast al and the fl panhandle, to mid to upper 80s from
tallahassee eastward.

Short term [tonight through Tuesday]
The cold front will continue to push through the fa tonight with
most convection ending from west to east by daybreak Monday. The
exception may be the far northeast georgia zones where a few
showers may linger due to wrap around moisture. With the passage
of the cold front and the closed upper low translating eastward
across south georgia on Monday, temperatures will be cooler but
close to seasonal levels for late april. However, as the deep low
pressure system pulls off to the northeast on Tuesday, surface
and upper level ridging quickly build back in along with a return
of above seasonal MAX temperatures. Highs Monday will be in the
mid to upper 70s warming into the lower to mid 80s Tuesday. Lows
will be in the 50s.

Long term [Tuesday night through Sunday]
High pressure surface and aloft will prevail for most of the
upcoming week and next weekend. There will only be a sight chance
for an afternoon shower or thunderstorm by the end of the week
with a better chance late in the weekend. Highs will be in the
80s. Lows will be in the 60s.

Marine
Southwest winds will shift to the northwest and increase to
cautionary levels late today and tonight continuing at these
levels through Monday as a cold front pushes across the local
waters. Winds will generally be in the 10 to 15 knot range Monday
night through the work week as they swing around to become onshore
by Wednesday.

Fire weather
No concerns.

Hydrology
River levels are currently steady. There will be a good chance for
rain tomorrow as a cold front approaches. Rain totals will likely
be under one inch. Otherwise there is only a slight chance for
rain late next week. No flooding concerns.

Preliminary point temps/pops
Tallahassee 56 77 55 84 59 / 40 0 0 0 0
panama city 58 75 61 78 65 / 10 0 0 0 0
dothan 53 75 55 83 59 / 10 0 0 0 0
albany 55 74 55 82 59 / 30 10 0 0 0
valdosta 58 75 54 83 59 / 60 10 0 0 0
cross city 61 76 56 82 59 / 40 10 0 0 0
apalachicola 59 75 60 79 64 / 20 0 0 0 0

Tae watches/warnings/advisories
Fl... None.

Ga... None.

Al... None.

Gm... None.

Near term... Scholl
short term... Fournier
long term... Barry
aviation... Scholl
marine... Fournier
fire weather... Barry
hydrology... Fournier


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
42036 - W. TAMPA 106NM West Northwest of Tampa, FL 43 mi54 min W 5.8 G 5.8 74°F 75°F2 ft1010.5 hPa (-1.4)68°F
CDRF1 - Cedar Key, FL 50 mi44 min WSW 7 G 8.9 77°F 1010.4 hPa (-2.0)68°F

Wind History for Cedar Key, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Brooksville, Hernando County Airport, FL69 mi51 minWSW 810.00 miMostly Cloudy87°F66°F50%1009.2 hPa

Wind History from BKV (wind in knots)
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Last 24hrNW9NW9W8W7W6W7NW5CalmCalmCalmCalmCalmCalmCalmCalmCalmCalm3Calm3Calm--S7W8
1 day ago3NW13
G16
W10NW11NW7NW5NW4SE7CalmE5SE3CalmCalmCalmCalmCalmCalmE5S3SE5SE8
G15
3SW74
2 days agoE7SE8SE8E7E5CalmE6E8SE8E4E4NE4E3E5E6E4CalmE7SE7S10
G14
SE10SW346

Tide / Current Tables for Cedar Key, Way Key, Florida
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Cedar Key
Click for Map
Sun -- 12:00 AM EDT     3.36 feet High Tide
Sun -- 05:07 AM EDT     Moonrise
Sun -- 06:30 AM EDT     0.27 feet Low Tide
Sun -- 06:57 AM EDT     Sunrise
Sun -- 12:44 PM EDT     3.45 feet High Tide
Sun -- 05:13 PM EDT     Moonset
Sun -- 06:58 PM EDT     0.39 feet Low Tide
Sun -- 08:03 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.43.22.72.11.40.70.30.30.71.42.12.93.33.43.22.61.91.20.60.40.61.222.8

Tide / Current Tables for Suwannee River entrance, Florida
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Suwannee River entrance
Click for Map
Sun -- 12:09 AM EDT     2.91 feet High Tide
Sun -- 05:08 AM EDT     Moonrise
Sun -- 06:35 AM EDT     0.29 feet Low Tide
Sun -- 06:57 AM EDT     Sunrise
Sun -- 12:44 PM EDT     3.24 feet High Tide
Sun -- 05:13 PM EDT     Moonset
Sun -- 07:06 PM EDT     0.49 feet Low Tide
Sun -- 08:04 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.92.82.41.91.20.70.30.30.61.222.73.13.232.51.81.20.70.50.61.11.72.4

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 (15,3,4,5)
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Ground Weather Radar Station Tampa Bay Area, 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.