Saturday, August17, 2019 L-36.com


Marine Weather and Tides
Harbor Bluffs, 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 7:01AMSunset 8:09PM Saturday August 17, 2019 8:35 AM EDT (12:35 UTC) Moonrise 8:43PMMoonset 7:44AM Illumination 96% Phase: Waning Gibbous; Moon at 17 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 Sat Aug 17 2019
Today..Southwest winds 10 to 15 knots. Bay and inland waters a moderate chop. Scattered showers and isolated Thunderstorms early in the morning, then numerous showers late in the morning. Scattered Thunderstorms in the late morning and afternoon.
Tonight..Southwest winds around 10 knots then becoming southeast after midnight. Bay and inland waters a light chop. Scattered showers early in the evening. Isolated Thunderstorms. Scattered showers after midnight.
Sunday..South winds around 5 knots then becoming west around 10 knots in the afternoon. Bay and inland waters a light chop. Scattered Thunderstorms.
Sunday night..Northwest winds around 5 knots then becoming east after midnight. Bay and inland waters smooth. Isolated Thunderstorms.
Monday..East winds around 5 knots then becoming northeast around 10 knots in the afternoon. Bay and inland waters a light chop. Isolated Thunderstorms in the morning, then scattered Thunderstorms in the afternoon.
Monday night..East winds around 10 knots. Bay and inland waters a light chop. Scattered showers and isolated Thunderstorms in the evening.
Tuesday..East winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms in the morning, then numerous showers and scattered Thunderstorms in the afternoon.
Tuesday night..Southeast winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms in the evening, then isolated Thunderstorms after midnight.
Wednesday..Southeast winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms. Numerous showers in the afternoon.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 334 Am Edt Sat Aug 17 2019
Synopsis..High pressure ridging south of florida and a stalled front in the deep south will continue to generate breezy southwesterly winds across the waters this morning. The ridge will lift north into the waters and weaken by Sunday into early next week, with winds gradually turning to southerly and southeasterly. After tonight, winds are expected to remain below headline criteria outside of any Thunderstorms.


7 Day Forecast for Marine Location Near Harbor Bluffs, FL
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location: 27.91, -82.82     debug


Area Discussion for - Tampa Bay, FL
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Fxus62 ktbw 171128
afdtbw
area forecast discussion
national weather service tampa bay ruskin fl
728 am edt Sat aug 17 2019

Aviation
We continue to remain in a very moist and unstable southwest flow
through the day. Shra with embedded tsra can be expected through the
forecast period with southwest winds around 5-10 knots. The highest
rain storm chances will be from ksrq northward with brief periods of
MVFR ifr conditions possible through this afternoon, so will hold
vcts through 00z and will closely monitor radar for needed tempo
changes through the day.

Prev discussion issued 328 am edt Sat aug 17 2019
discussion...

prolonged SW flow and heavy rain event coming to an end this weekend.

The persistent weak upper low over the NE gulf to slowly but finally
move eastward in overall upper flow by Sunday but leave a weakness
in the upper ridge in place. Stalled front in the deep south and high
pressure ridge axis over S fl peninsula and SE gulf this morning to
provide moist low to mid level SW flow, increased instability and
focusing mechanism for additional heavy rainfall over the nature
coast to extend flood watch into this evening. The prolonged SW flow
over the E gulf has produced choppy waves for increased risk of rip
currents along area beaches today while minor coastal flooding
continues especially around high tides today. These hazards to
decrease and improve this evening and Sunday.

The regime change transition continues Sunday as surface high pressure
ridge continues slow movement nward to over the c fl peninsula
and frontal boundary washes out. Highest rain chances over N nature
coast and inland on seabreeze interactions. Temps return to around
seasonal averages.

Next week, the general weakness in the southern stream upper ridge
over the area continues while northern stream activity stays well
n of the region. Surface high pressure extends from the W atlantic
into the deep south with e-se flow over the area for a more typical
summertime temps and diurnal sea breeze rain pattern.

Aviation...

light to moderate s-sw flow continues with sct E gulf convection to
push vcsh vcts ashore this morning through the afternoon with mainly
vrf conditions and mid-upper clouds at terminals. Some brief and
local MVFR ifr conditions possible with stronger cells.

Marine...

tightened pressure gradient in NE gulf this morning between stalled
front and high pressure ridge axis moving northward from the S gulf
to keep SW scec winds and choppy seas into this afternoon. High
pressure weakens and holds over the region Sunday into mid next week
with lighter winds and seas. Continue to expect summertime showers
and thunderstorms to bring locally higher winds and seas.

Fire weather...

abundant moisture with high summertime humidity and rain chances
continue.

Preliminary point temps pops
Tpa 88 75 90 76 70 40 60 20
fmy 90 75 91 75 50 10 50 20
gif 89 74 91 74 60 20 70 40
srq 88 75 91 75 60 30 50 20
bkv 87 73 91 73 80 40 60 30
spg 88 75 90 76 70 40 50 20

Tbw watches warnings advisories
Fl... Flood watch through this evening for coastal citrus-coastal
hernando-coastal levy-coastal pasco-inland citrus-inland
hernando-inland levy-inland pasco-sumter.

Coastal flood advisory until 8 pm edt this evening for coastal
citrus-coastal levy.

High rip current risk through this evening for coastal charlotte-
coastal hillsborough-coastal lee-coastal manatee-coastal
sarasota-pinellas.

Flood watch until 8 am edt this morning for coastal hillsborough-
coastal manatee-inland hillsborough-inland manatee-pinellas.

Gulf waters... None.

Aviation... 74 wynn
decision support... 57 mcmichael


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CWBF1 - 8726724 - Clearwater Beach, FL 5 mi53 min E 8 G 12 77°F 83°F1018.1 hPa
CLBF1 14 mi101 min ESE 1.9 G 5.1 74°F 1017 hPa
OPTF1 - 8726607 - Old Port Tampa, FL 15 mi47 min WSW 5.1 G 7 79°F 83°F1018.3 hPa
SAPF1 - 8726520 - St. Petersburg, FL 15 mi47 min NNW 2.9 G 4.1 75°F 84°F1018.3 hPa
FHPF1 - Fred Howard Park, FL 17 mi101 min SW 11 G 12 82°F 1017.8 hPa
GCTF1 19 mi53 min 79°F 1018.5 hPa69°F
MCYF1 21 mi47 min 82°F
MTBF1 21 mi47 min WNW 5.1 G 6 79°F 1018.3 hPa68°F
TSHF1 - 8726667 - East Bay Causeway, FL 21 mi47 min Calm G 1.9
42098 23 mi35 min 86°F4 ft
PMAF1 23 mi185 min 76°F 84°F1016.3 hPa
ARPF1 - APK - Aripeka, FL 37 mi101 min SE 2.9 G 5.1 83°F 1017.2 hPa

Wind History for Clearwater Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
St. Petersburg/Clearwater Airport, FL7 mi42 minSE 310.00 miA Few Clouds75°F73°F94%1018 hPa
Albert Whitted Airport, FL14 mi42 minN 35.00 miRain76°F70°F82%1017.3 hPa
Macdill Air Force Base, Fl., FL16 mi39 minN 07.00 miLight Rain75°F71°F89%1018.2 hPa
Tampa, Tampa International Airport, FL16 mi42 minN 010.00 miOvercast76°F73°F91%1018.4 hPa
Tampa, Peter O Knight Airport, FL20 mi40 minN 07.00 miLight Rain0°F0°F%1018.6 hPa

Link to 5 minute data for KPIE

Wind History from PIE (wind in knots)
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Last 24hr------SW8S12S10S6--S7--S10SW18
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1 day agoSW6SW8--SW7W11W13
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W8SW6--------S12S7S6S7S3--------S4--
2 days agoCalm4NE9CalmCalmSW11S15SW11SW9S7SW10SW7W5SW10SE12SE11S12S7S4S4SW8SW6SW9W3

Tide / Current Tables for Indian Rocks Beach (inside), Florida
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Indian Rocks Beach (inside)
Click for Map
Sat -- 02:44 AM EDT     2.64 feet High Tide
Sat -- 07:02 AM EDT     Sunrise
Sat -- 08:26 AM EDT     0.84 feet Low Tide
Sat -- 08:44 AM EDT     Moonset
Sat -- 02:25 PM EDT     2.92 feet High Tide
Sat -- 08:07 PM EDT     Sunset
Sat -- 09:03 PM EDT     0.19 feet Low Tide
Sat -- 09:43 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.62.22.52.62.421.51.10.90.91.21.62.22.62.92.92.621.40.80.40.20.30.8

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
Sat -- 12:04 AM EDT     0.00 knots Slack
Sat -- 02:52 AM EDT     1.01 knots Max Flood
Sat -- 06:10 AM EDT     -0.00 knots Slack
Sat -- 07:01 AM EDT     Sunrise
Sat -- 08:43 AM EDT     Moonset
Sat -- 08:45 AM EDT     -0.69 knots Max Ebb
Sat -- 11:14 AM EDT     0.00 knots Slack
Sat -- 02:03 PM EDT     1.08 knots Max Flood
Sat -- 05:00 PM EDT     -0.00 knots Slack
Sat -- 08:06 PM EDT     Sunset
Sat -- 08:42 PM EDT     -1.27 knots Max Ebb
Sat -- 09:41 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-00.50.910.90.50.1-0.3-0.6-0.7-0.5-0.10.40.91.10.90.50-0.5-1-1.2-1.3-1.1-0.8

Weather Map and Satellite Images
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wmap_A
GOES Local Image of    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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Tampa Bay, FL (8,2,3,4)
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Ground Weather Radar Station Tampa Bay Area, FL
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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.