Thursday, July18, 2019 L-36.com


Marine Weather and Tides
Yankee, FL

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6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:39AMSunset 8:29PM Thursday July 18, 2019 4:42 AM EDT (08:42 UTC) Moonrise 9:01PMMoonset 7:09AM Illumination 98% Phase: Waning Gibbous; Moon at 16 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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GMZ850 Coastal Waters From Tarpon Springs To Suwannee River Fl Out 20 Nm- 310 Am Edt Thu Jul 18 2019
Today..South winds around 5 knots then becoming west in the afternoon. Seas 2 feet or less. Bay and inland waters smooth. Isolated Thunderstorms in the late morning and afternoon.
Tonight..Northwest winds around 5 knots then becoming southeast after midnight. Seas 2 feet or less. Bay and inland waters smooth. Isolated Thunderstorms early in the evening. Isolated Thunderstorms toward morning.
Friday..South winds around 5 knots then becoming west in the afternoon. Seas 2 feet or less. Bay and inland waters smooth. Isolated Thunderstorms early in the morning, then scattered Thunderstorms late in the morning. Isolated Thunderstorms in the afternoon.
Friday night..Northwest winds around 5 knots then becoming east after midnight. Seas 2 feet or less. Bay and inland waters smooth. Isolated Thunderstorms in the evening, then scattered Thunderstorms after midnight.
Saturday..Southeast winds around 5 knots then becoming west around 5 knots in the afternoon. Seas 2 feet or less. Bay and inland waters smooth. Scattered Thunderstorms in the morning, then isolated Thunderstorms in the afternoon.
Saturday night..Northwest winds around 5 knots then becoming east after midnight. Seas 2 feet or less. Bay and inland waters smooth. Scattered Thunderstorms after midnight.
Sunday..South winds around 5 knots then becoming southwest in the afternoon. Seas 2 feet or less. Bay and inland waters smooth. Scattered Thunderstorms in the morning, then isolated Thunderstorms in the afternoon.
Sunday night..Southwest winds around 5 knots then becoming southeast around 5 knots after midnight. Seas 2 feet or less. Bay and inland waters smooth. Isolated Thunderstorms in the evening, then scattered Thunderstorms after midnight.
Monday..South winds around 5 knots then becoming west in the afternoon. Seas 2 feet or less. Bay and inland waters smooth. Scattered Thunderstorms in the morning, then isolated Thunderstorms in the afternoon.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 310 Am Edt Thu Jul 18 2019
Synopsis.. Atlantic high pressure stretches across florida and out over the gulf of mexico through the weekend. The gradient remains relaxed and allows sea breezes to form in the afternoons. Only marine concern through the period will be locally higher winds and seas in and around Thunderstorms.


7 Day Forecast for Marine Location Near Yankee, FL
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location: 29.16, -82.81     debug


Area Discussion for - Tampa Bay, FL
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Fxus62 ktbw 180707
afdtbw
area forecast discussion
national weather service tampa bay ruskin fl
307 am edt Thu jul 18 2019

Discussion
Typical summertime pattern remains in place today and will
continue into the weekend. Surface ridge placement will keep the
area in a light southeasterly flow regime though the weekend and
into early next week. With ample moisture in place scattered
diurnal showers and storms can be expected each day. During the
start of the upcoming week, aloft, upper-level ridge moves out in
response to a deepening trough over the northeastern CONUS on
Monday and Tuesday. This will allow the surface ridge to retreat
out into the atlantic some ushering in more of a southwest flow to
round out of forecast period. This will push the gulf coast
seabreeze in early in the day which should keep highest rain
chances east of i-75 for the start of next week. Temperatures
through the period will remain near to a few degrees above normal
with highs in the lower to mid 90s.

Aviation
Much like the past few days, light southeast winds can be expected
early with a seabreeze turning winds onshore near coastal terminals
in the early afternoon. Similar to yesterday, scattered showers and
storms will develop along afternoon sea breeze boundaries. Expect
predominantlyVFR conditions with a good chance of some intermittent
MVFR ifr lifr conditions after 18z in and around thunderstorms. No
tempo groups included at this time due to timing and location
uncertainties but will likely be needed for subsequent forecasts.

Marine
High pressure remains over the area producing pleasant boating
conditions over the gulf coast waters. Winds remain 10 knots or less
through the period with seas less than 2 feet. The only hazard will
be with isolated storms and enhanced sea breeze winds along the
coast each afternoon evening. No other marine impacts expected.

Fire weather
Sufficient low level moisture will keep relative humidity values
above critical levels through the week with no red flag conditions
expected. No significant fog is expected through the period.

Preliminary point temps pops
Tpa 91 78 91 78 40 20 30 20
fmy 92 76 92 76 40 20 40 20
gif 94 76 93 76 40 20 40 20
srq 91 76 91 76 30 20 30 20
bkv 92 74 92 74 40 20 40 20
spg 90 80 91 80 30 20 20 20

Tbw watches warnings advisories
Fl... None.

Gulf waters... None.

Discussion aviation marine fire weather... 11 mckaughan


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CDRF1 - Cedar Key, FL 12 mi43 min ENE 5.1 G 5.1 80°F 1018.1 hPa (-0.9)79°F
ARPF1 - APK - Aripeka, FL 51 mi109 min ESE 1.9 G 2.9 79°F 1018.3 hPa
KTNF1 - Keaton Beach, FL 62 mi43 min NE 2.9 G 2.9 75°F 1018.1 hPa (-1.3)74°F

Wind History for Cedar Key, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Crystal River Airport, FL24 mi48 minN 010.00 miFair72°F69°F94%1018.6 hPa

Wind History from OCF (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmS33SE4--E5E5NW16
G22
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1 day agoCalmCalmCalmCalmCalmS5W4NW34E3S5CalmS3SE3SE3NW8CalmSW5S5CalmSE3CalmCalmCalm
2 days agoCalmCalmCalmCalm34Calm6S5NE5NW3NW6SE9
G19
S4E4N4S3CalmN3CalmCalmCalmCalmCalm

Tide / Current Tables for Withlacoochee River entrance, Florida
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Withlacoochee River entrance
Click for Map
Thu -- 03:53 AM EDT     3.19 feet High Tide
Thu -- 06:43 AM EDT     Sunrise
Thu -- 08:09 AM EDT     Moonset
Thu -- 09:52 AM EDT     1.35 feet Low Tide
Thu -- 03:06 PM EDT     3.79 feet High Tide
Thu -- 08:30 PM EDT     Sunset
Thu -- 10:00 PM EDT     Moonrise
Thu -- 10:56 PM EDT     -0.10 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.51.42.333.232.72.21.71.41.41.62.22.93.53.83.73.32.71.91.20.50-0.1

Tide / Current Tables for Cedar Key, Way Key, Florida
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Cedar Key
Click for Map
Thu -- 04:05 AM EDT     3.39 feet High Tide
Thu -- 06:44 AM EDT     Sunrise
Thu -- 08:10 AM EDT     Moonset
Thu -- 09:21 AM EDT     1.65 feet Low Tide
Thu -- 03:01 PM EDT     4.29 feet High Tide
Thu -- 08:31 PM EDT     Sunset
Thu -- 10:01 PM EDT     Moonrise
Thu -- 10:10 PM EDT     0.03 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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11.82.63.23.43.32.92.421.71.72.22.83.54.14.34.13.52.71.810.300.2

Weather Map and Satellite Images
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wmap_A
GOES 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 Tampa Bay, FL (4,6,7,8)
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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.