Saturday, July11, 2020
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Marine Weather and Tides
Clearwater, FL

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:41AMSunset 8:31PM Saturday July 11, 2020 12:34 AM EDT (04:34 UTC) Moonrise 12:00AMMoonset 11:35AM 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- 809 Pm Edt Fri Jul 10 2020
Rest of tonight..West winds around 15 knots diminishing to 5 to 10 knots in the late evening and overnight. Bay and inland waters a moderate chop. Isolated showers in the evening, then scattered showers after midnight.
Saturday..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Saturday night..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms in the evening, then isolated Thunderstorms after midnight.
Sunday..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Sunday night..Southwest winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms.
Monday..West winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Monday night..Southwest winds around 10 knots. Bay and inland waters a light chop.
Tuesday..West winds around 10 knots. Bay and inland waters a light chop. Isolated Thunderstorms in the morning, then scattered Thunderstorms in the afternoon.
Tuesday night..West winds around 10 knots diminishing to around 5 knots in the late evening and overnight. Bay and inland waters a light chop.
Wednesday..West winds around 5 knots increasing to around 10 knots in the afternoon. Bay and inland waters a light chop. Isolated Thunderstorms in the morning, then scattered Thunderstorms in the afternoon.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 809 Pm Edt Fri Jul 10 2020
Synopsis..A trough of low pressure to the north of the gulf waters and high pressure to the south will maintain a westerly wind flow with seas of 2 to 4 feet over the waters through the weekend and into early next week. Wind and seas will be higher near Thunderstorms, otherwise no headlines are expected.


7 Day Forecast for Marine Location Near Clearwater city, FL
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location: 27.97, -82.8     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 110004 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 804 PM EDT Fri Jul 10 2020

UPDATE. The westerly flow over the last fews days has switched up what we are use to seeing this time of year. Instead of dry night and morning hours with showers and storms in the afternoon. We are seeing showers and storms overnight and in the morning hours with drier conditions in the late afternoon and evening. This trend should continue with showers and an isolated thunderstorm mainly north of I-4 during the overnight and morning hours. By early afternoon attention will shift to inland areas where showers and storms will start to pop up. Then most of the shower and thunderstorm activity should move to the east coast by the late afternoon and early evening hours.

AVIATION. Mainly VFR conditions expected through the period. Will hold VCSH for most airports starting between 03-06z. Will introduce VCTS by 12Z and should last through the end of the TAF period. Brief MVFR conditions will be possible if showers and storms push over station. Winds will stay out of the west through the period. Winds will remain light overnight before increasing to around 7 to 12 knots in the afternoon.

Prev Discussion. /issued 233 PM EDT Fri Jul 10 2020/

DISCUSSION (Tonight through next Friday) . Mid level troughing along the eastern seaboard and extending south into the northern Gulf combined with high pressure to the south of the state and extending west into the Gulf will maintain a deep layered westerly wind flow across the forecast area through the weekend and into the middle of next week with a continuation of late night and early morning showers and storms along coastal areas, then shifting to inland and eastern sections of the peninsula each afternoon. It will remain hot and muggy with above normal night time temperatures along the coast due to the onshore flow where readings around 80 can be expected with mid to upper 70s inland, with near normal daytime highs in the upper 80s to lower 90s each afternoon.

Now during the latter part of next week a pattern change is expected as high pressure to the south builds back to the north with an east-southeast wind flow developing. This flow regime would favor highest rain chances and best storm coverage to focus along the western side of the peninsula each afternoon along the east/west coast sea breeze merger. Temperatures next week will run slightly above normal with overnight lows in the mid to upper 70s, with daytime highs in the lower to mid 90s.


MARINE . Troughing to the north of the Gulf waters and surface high pressure to the south will maintain a westerly wind flow with seas of 2 to 4 feet over the Gulf waters tonight through the weekend and into early next week. Wind and seas will be higher near showers and storms, otherwise no headlines are expected.

FIRE WEATHER . Ample moisture within a deep layered westerly wind flow off the Gulf will keep humidity values well above critical levels through the weekend and into next week with no fire weather hazards expected.

Preliminary Point Temps/PoPs. TPA 80 90 80 93 / 30 50 30 40 FMY 79 91 79 91 / 40 50 30 60 GIF 77 91 76 94 / 30 60 20 60 SRQ 80 91 80 92 / 30 50 30 50 BKV 76 91 76 94 / 30 50 20 40 SPG 80 91 80 91 / 30 50 30 40

TBW WATCHES/WARNINGS/ADVISORIES. FL . None. Gulf waters . None.

UPDATE/AVIATION/MARINE . 27/Shiveley UPPER AIR . 74/Wynn DECISION SUPPORT . 74/Wynn


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CWBF1 - 8726724 - Clearwater Beach, FL 2 mi46 min W 12 G 16 85°F 89°F1015.5 hPa
FHPF1 - Fred Howard Park, FL 13 mi100 min W 12 G 13 85°F 1015.5 hPa
OPTF1 - 8726607 - Old Port Tampa, FL 15 mi46 min W 11 G 13 85°F 89°F1015.3 hPa
CLBF1 17 mi100 min W 8.9 G 14 85°F 1014.5 hPa
SAPF1 - 8726520 - St. Petersburg, FL 17 mi46 min WNW 9.9 G 12 85°F 87°F1015.6 hPa
SKCF1 19 mi94 min W 12 G 23
EBEF1 20 mi76 min 86°F 90°F1015 hPa
GCTF1 20 mi46 min 86°F 1015.1 hPa78°F
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 20 mi52 min W 2.9 G 8
TSHF1 - 8726667 - East Bay Causeway, FL 20 mi52 min SW 5.1 G 8.9
MTBF1 24 mi46 min WNW 12 G 15 85°F 1015.4 hPa77°F
PMAF1 26 mi46 min 85°F 1015.3 hPa
42098 27 mi38 min 87°F4 ft

Wind History for Clearwater Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
St. Petersburg/Clearwater Airport, FL7 mi41 minW 910.00 miFair86°F79°F80%1015 hPa
Tampa, Tampa International Airport, FL14 mi41 minW 910.00 miPartly Cloudy85°F75°F75%1015.1 hPa
Albert Whitted Airport, FL16 mi41 minWNW 810.00 miPartly Cloudy86°F80°F83%1014.6 hPa
Macdill Air Force Base, Fl., FL17 mi38 minW 510.00 miPartly Cloudy85°F77°F80%1015.2 hPa
Tampa, Peter O Knight Airport, FL19 mi39 minWNW 410.00 miOvercast86°F82°F89%1015.2 hPa
Tampa, Vandenberg Airport, FL24 mi39 minN 010.00 miFair82°F78°F89%1015.6 hPa

Link to 5 minute data for KPIE

Wind History from PIE (wind in knots)
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2 days agoW4W4W3S3W4W4W4W4NW56W10W13W11W12W14NW13W12W13NW12W12W7W8W8W7W6

Tide / Current Tables for Clearwater, Florida
   EDIT   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Clearwater
Click for Map
Sat -- 12:31 AM EDT     Moonrise
Sat -- 04:47 AM EDT     2.10 feet High Tide
Sat -- 06:43 AM EDT     Sunrise
Sat -- 10:51 AM EDT     0.87 feet Low Tide
Sat -- 12:34 PM EDT     Moonset
Sat -- 04:26 PM EDT     2.02 feet High Tide
Sat -- 08:30 PM EDT     Sunset
Sat -- 11:12 PM EDT     0.58 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.611.41.822.121.71.41.10.90.911.21.61.8221.81.61.30.90.70.6

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 -- 12:30 AM EDT     Moonrise
Sat -- 02:51 AM EDT     0.00 knots Slack
Sat -- 05:48 AM EDT     0.87 knots Max Flood
Sat -- 06:42 AM EDT     Sunrise
Sat -- 09:16 AM EDT     -0.00 knots Slack
Sat -- 11:56 AM EDT     -0.63 knots Max Ebb
Sat -- 12:33 PM EDT     Moonset
Sat -- 02:49 PM EDT     0.00 knots Slack
Sat -- 05:29 PM EDT     0.70 knots Max Flood
Sat -- 08:20 PM EDT     -0.00 knots Slack
Sat -- 08:29 PM EDT     Sunset
Sat -- 11:42 PM EDT     -0.94 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1-0.8-0.40.10.50.80.90.70.50.1-0.3-0.5-0.6-0.5-0.30.10.40.70.70.50.1-0.3-0.6-0.9

Weather Map
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wmap_A
GEOS 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 (0,6,7,8)
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Ground Weather Radar Station Tampa Bay Area, FL
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Gulf Stream Current


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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 numerous 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.