Wednesday, August21, 2019 L-36.com


Marine Weather and Tides
Kenneth City, FL

Version 3.4
NOTICE
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
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 7:02AMSunset 8:04PM Wednesday August 21, 2019 4:28 AM EDT (08:28 UTC) Moonrise 10:51PMMoonset 11:11AM Illumination 68% Phase: Waning Gibbous; Moon at 20 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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GMZ830 Tampa Bay Waters- 334 Am Edt Wed Aug 21 2019
Today..Southeast winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms early in the afternoon. Scattered Thunderstorms late in the afternoon.
Tonight..East winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms early in the evening.
Thursday..East winds around 5 knots. Bay and inland waters smooth. Isolated Thunderstorms in the afternoon.
Thursday night..East winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms in the evening.
Friday..East winds around 5 knots then becoming northeast in the afternoon. Bay and inland waters smooth. Scattered Thunderstorms in the afternoon.
Friday night..East winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms in the evening.
Saturday..East winds around 5 knots. Bay and inland waters smooth. Scattered Thunderstorms in the afternoon.
Saturday night..Northeast winds around 5 knots then becoming southeast after midnight. Bay and inland waters smooth. Isolated Thunderstorms in the evening.
Sunday..South winds around 5 knots then becoming southwest in the afternoon. Bay and inland waters smooth. Isolated Thunderstorms in the morning, then scattered Thunderstorms in the afternoon.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 334 Am Edt Wed Aug 21 2019
Synopsis.. The axis of atlantic high pressure ridges west along latitude 30 north for most of the weekend then settles to southern florida for early next week. East and southeast winds with afternoon sea breezes become south and southwest as the ridge axis tracks southward. Winds and seas will be briefly higher near showers and Thunderstorms.


7 Day Forecast for Marine Location Near Kenneth City, FL
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location: 27.8, -82.72     debug


Area Discussion for - Tampa Bay, FL
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Fxus62 ktbw 210716
afdtbw
area forecast discussion
national weather service tampa bay ruskin fl
316 am edt Wed aug 21 2019

Discussion
At mid levels through Thu night - ridging extends from the southern
high plains to south-central canada..A low over quebec troughs
across the great lakes... And weak ridging sprawls across fl and the
adjacent waters. At the surface atlantic high pressure ridges west
along latitude 30 north to the northwest gulf coast. An inverted
trough on the south side of this high pressure approaches fl from
the bahamas late thu.

1000-700mb southeast flow with model pwat values around 1.8-2.0
inches continue through tonight then becomes more easterly thu
with slightly lower pwat... 1.6-1.8 inches. This moisture will
support scattered to locally numerous showers and thunderstorms
although with slightly less coverage especially in the north thu.

Timing both days will be late mornings or early afternoons inland
then shifting toward the gulf coast later in the afternoons and
offshore and winding down in the evenings. The copious rainfall of
the past few days has resulted in a quite saturated ground...

maintaining the threat of localized flooding and additional rises
on area rivers.

During Fri through tue: for the weekend the atlantic surface
ridge axis resides across north fl while the inverted trough
tracks across the southern portion of the state and slides out
over the gulf. These features provide an easterly to
southeasterly 1000-700mb flow. Then for early next week a frontal
boundary settles down into the gulf coastal and southeastern
states... Shunting the ridge axis down into central then southern
fl. As a result the 1000-700mb flow turns to the south and
southwest. Sufficient moisture will be in place for scattered to
at times numerous showers and storms. Through most of the weekend
these form inland... Track across the gulf coast in the afternoons
then offshore in the evenings. As the week starts this pattern
switches to morning coastal showers storms that move inland during
the days. Low temperatures will run on the warm side of normal
while the afternoon highs stay within a degree or so of normal.

Aviation
21 06z TAF cycle. PrevailingVFR conditions under sct-bkn clouds.

Btwn 18z-02z vcts with psbl MVFR LCL ifr. Light E winds become se
and pick up but no more than 8kt aft 14z. Except winds shift to sw
at tpa pie srq aft 18z.

Marine
High pressure stays north of the waters through most of the weekend
with prevailing east and southeast winds that shift to onshore in the
afternoons. The high pressure drops across central then southern fl
early next week... Turning the winds to south and southwest. Wind and
seas locally higher near showers and thunderstorms.

Fire weather
The atmosphere will contain adequate moisture for daily showers and
thunderstorms and to preclude any low rh concerns for the next few
days.

Preliminary point temps pops
Tpa 92 78 92 77 40 10 20 20
fmy 91 76 92 76 60 10 50 20
gif 93 76 94 75 40 0 30 10
srq 91 76 93 76 40 20 20 20
bkv 93 74 94 74 50 10 20 20
spg 91 80 92 78 30 20 20 20

Tbw watches warnings advisories
Fl... None.

Gulf waters... None.

Discussion aviation marine fire weather... 09 rude
decision support... 69 close


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CLBF1 5 mi94 min ENE 1.9 G 2.9 77°F 1017.3 hPa
SAPF1 - 8726520 - St. Petersburg, FL 6 mi58 min ESE 4.1 G 7 80°F 86°F1018.1 hPa
OPTF1 - 8726607 - Old Port Tampa, FL 10 mi58 min E 2.9 G 5.1 78°F 84°F1018 hPa
GCTF1 11 mi58 min 80°F 1018 hPa75°F
MTBF1 12 mi58 min ESE 8.9 G 11 79°F 1017.9 hPa74°F
CWBF1 - 8726724 - Clearwater Beach, FL 14 mi58 min NE 2.9 G 4.1 80°F 86°F1018.2 hPa
PMAF1 14 mi58 min 76°F 85°F1017.6 hPa
42098 18 mi28 min 86°F2 ft
MCYF1 18 mi58 min 84°F
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 18 mi58 min NE 1.9 G 1.9
TSHF1 - 8726667 - East Bay Causeway, FL 18 mi58 min NNE 1 G 1.9
FHPF1 - Fred Howard Park, FL 25 mi94 min E 4.1 G 5.1 79°F 1018.6 hPa
ARPF1 - APK - Aripeka, FL 44 mi94 min E 1.9 G 2.9 82°F 1018.4 hPa
42013 - C10 - Navy-2 45 mi58 min SE 7.8 G 12 82°F 86°F1017.6 hPa

Wind History for St. Petersburg, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Albert Whitted Airport, FL5 mi35 minESE 610.00 miFair80°F75°F85%1017.3 hPa
St. Petersburg/Clearwater Airport, FL8 mi35 minESE 510.00 miFair79°F73°F85%1017.7 hPa
Macdill Air Force Base, Fl., FL11 mi32 minE 510.00 miFair77°F74°F90%1018.2 hPa
Tampa, Tampa International Airport, FL15 mi35 minE 310.00 miMostly Cloudy81°F73°F79%1018.3 hPa
Tampa, Peter O Knight Airport, FL16 mi33 minE 410.00 miFair0°F0°F%1018.3 hPa

Link to 5 minute data for KSPG

Wind History from SPG (wind in knots)
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Last 24hrNE7--------------E8E8--E12E9--E6E6E4NE4SE17----CalmS5Calm
1 day agoN7N7E6----N6------NE9NE7NE7E5--NE4E5--E4--NE9NE4CalmSE4Calm
2 days agoSE4SE8S9S7S11S17
G29
--SW4S7S7Calm----S5S4S4S6SW6W7W3W6--N4NW3

Tide / Current Tables for Johns Pass, Florida
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Johns Pass
Click for Map
Wed -- 03:52 AM EDT     2.03 feet High Tide
Wed -- 07:04 AM EDT     Sunrise
Wed -- 10:37 AM EDT     0.76 feet Low Tide
Wed -- 12:11 PM EDT     Moonset
Wed -- 04:35 PM EDT     1.83 feet High Tide
Wed -- 08:03 PM EDT     Sunset
Wed -- 10:22 PM EDT     1.04 feet Low Tide
Wed -- 11:50 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.21.51.8221.91.71.41.20.90.80.80.91.21.41.71.81.81.71.51.31.11.11.1

Tide / Current Tables for Old Tampa Bay Entrance (Port Tampa), Florida Current
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Old Tampa Bay Entrance (Port Tampa)
Click for Map
Wed -- 01:27 AM EDT     0.00 knots Slack
Wed -- 04:17 AM EDT     0.97 knots Max Flood
Wed -- 07:03 AM EDT     Sunrise
Wed -- 07:13 AM EDT     -0.00 knots Slack
Wed -- 10:36 AM EDT     -0.95 knots Max Ebb
Wed -- 12:10 PM EDT     Moonset
Wed -- 02:16 PM EDT     0.00 knots Slack
Wed -- 05:09 PM EDT     0.81 knots Max Flood
Wed -- 08:02 PM EDT     Sunset
Wed -- 08:14 PM EDT     -0.00 knots Slack
Wed -- 11:08 PM EDT     -0.77 knots Max Ebb
Wed -- 11:49 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.6-0.20.30.710.90.60.1-0.3-0.7-0.9-0.9-0.8-0.5-0.10.30.60.80.70.50.1-0.3-0.6-0.8

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.