Sunday, July12, 2020
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Marine Weather and Tides
Siesta Key, 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 6:42AMSunset 8:29PM Sunday July 12, 2020 1:34 AM EDT (05:34 UTC) Moonrise 12:00AMMoonset 12:24PM Illumination 58% Phase: Waning Gibbous; Moon at 21 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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GMZ853 Coastal Waters From Englewood To Tarpon Springs Fl Out 20 Nm- 835 Pm Edt Sat Jul 11 2020
Rest of tonight..West winds around 10 knots. Seas 2 to 3 feet. Bay and inland waters a light chop. Isolated Thunderstorms in the evening. Scattered Thunderstorms after midnight.
Sunday..West winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Scattered Thunderstorms in the morning. Isolated Thunderstorms in the afternoon.
Sunday night..West winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Isolated Thunderstorms after midnight.
Monday..West winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Isolated Thunderstorms.
Monday night..West winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
Tuesday..West winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Isolated Thunderstorms.
Tuesday night..West winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
Wednesday..West winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Isolated Thunderstorms.
Wednesday night..North winds around 10 knots then becoming northeast around 5 knots toward morning. Seas 2 feet or less. Bay and inland waters a light chop.
Thursday..Northeast winds around 5 knots then becoming north around 10 knots in the afternoon. Seas 2 feet or less. 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- 835 Pm Edt Sat Jul 11 2020
Synopsis..A trough of low pressure north of the gulf waters and high pressure near cuba continue until midweek when they begin to slowly lift north...maintaining moderate westerly flow. Locally higher winds and seas near Thunderstorms.


7 Day Forecast for Marine Location Near Siesta Key, FL
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location: 27.3, -82.57     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 120529 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 129 AM EDT Sun Jul 12 2020

AVIATION. 12/06Z TAFs. VFR as westerly flow continues and slightly drier air works in from the north. Still anticipate convection but limited with VCTS 16-18Z TIL 02-03Z. Southern terminals could see VCSH around dawn. SW and W winds AOB 11KT.

Prev Discussion. /issued 823 PM EDT Sat Jul 11 2020/

UPDATE . The area resides between upper low near the Yucatan Peninsula and large and broad upper trough over the the Eastern US. Tight pressure gradient earlier today produced breezy westerly winds and high dew point air off the Gulf and as expected gradient has relaxed with light W flow for tonight into Sunday. Afternoon convection has diminished in coverage and intensity but a few clusters of showers and storms continue this evening. Expect activity to wind down in the next few hours with clearing skies and warm overnight temps. Updated grids and forecasts on radar trends otherwise in good shape.

Preliminary Point Temps/PoPs. TPA 94 79 92 80 / 20 20 20 10 FMY 91 77 92 78 / 50 40 50 10 GIF 94 75 94 75 / 40 20 30 10 SRQ 93 79 93 79 / 20 30 30 10 BKV 94 72 94 75 / 20 10 20 10 SPG 92 80 91 80 / 20 20 20 10

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

AVIATION . 09/Rude UPDATE . 25/Davis


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VENF1 - Venice, FL 17 mi155 min WSW 8.9 G 9.9 84°F 88°F1014.1 hPa (+1.0)80°F
42013 - C10 - Navy-2 21 mi65 min SW 16 G 21 84°F 85°F1014 hPa
PMAF1 23 mi47 min 85°F 1013 hPa
MTBF1 25 mi47 min W 9.9 G 12 85°F 1013 hPa78°F
42098 28 mi39 min 87°F2 ft
CLBF1 31 mi101 min SW 6 G 8.9 85°F 1012.9 hPa
SAPF1 - 8726520 - St. Petersburg, FL 32 mi47 min SW 4.1 G 5.1 85°F 87°F1013.4 hPa
GCTF1 33 mi47 min 86°F 1013 hPa78°F
OPTF1 - 8726607 - Old Port Tampa, FL 39 mi47 min WSW 8 G 8.9 85°F 88°F1013.3 hPa
SKCF1 43 mi65 min SW 3.9 G 9.7
EBEF1 44 mi107 min 85°F 89°F1013.1 hPa
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 44 mi47 min SW 4.1 G 7
TSHF1 - 8726667 - East Bay Causeway, FL 44 mi53 min SSW 6 G 8
CWBF1 - 8726724 - Clearwater Beach, FL 49 mi47 min W 9.9 G 11 85°F 89°F1013.3 hPa

Wind History for C-Cut, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sarasota / Bradenton, Sarasota-Bradenton International Airport, FL7 mi42 minWSW 1210.00 miA Few Clouds86°F79°F80%1012.5 hPa
Venice Municipal Airport, FL17 mi40 minSW 97.00 mi84°F78°F84%1013.5 hPa

Link to 5 minute data for KSRQ

Wind History from SRQ (wind in knots)
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Last 24hrW11W11NW10W12W13W13NW11W13W13W11W12W11W14W16NW16NW8W8W6SW6W4W5SW6SW9SW12
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2 days agoNW8NW6NW3NW6NW6NW5NW6NW8NW8NW9W12NW15NW12NW15
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Tide / Current Tables for Sarasota, Sarasota Bay, Florida
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Sarasota
Click for Map
Sun -- 01:00 AM EDT     Moonrise
Sun -- 01:01 AM EDT     0.63 feet Low Tide
Sun -- 06:43 AM EDT     Sunrise
Sun -- 06:55 AM EDT     1.67 feet High Tide
Sun -- 01:24 PM EDT     Moonset
Sun -- 01:32 PM EDT     1.05 feet Low Tide
Sun -- 06:33 PM EDT     1.69 feet High Tide
Sun -- 07:31 PM EDT     Last Quarter
Sun -- 08:27 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.60.70.91.21.41.61.71.61.51.41.31.11.11.11.21.31.51.71.71.61.41.21.1

Tide / Current Tables for Tampa Bay (Sunshine Skyway Bridge), Florida Current
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Tampa Bay (Sunshine Skyway Bridge)
Click for Map
Sun -- 01:00 AM EDT     Moonrise
Sun -- 02:01 AM EDT     0.00 knots Slack
Sun -- 05:33 AM EDT     1.21 knots Max Flood
Sun -- 06:43 AM EDT     Sunrise
Sun -- 09:18 AM EDT     -0.00 knots Slack
Sun -- 12:03 PM EDT     -0.56 knots Max Ebb
Sun -- 01:25 PM EDT     Moonset
Sun -- 03:05 PM EDT     0.00 knots Slack
Sun -- 06:01 PM EDT     0.63 knots Max Flood
Sun -- 07:31 PM EDT     Last Quarter
Sun -- 08:28 PM EDT     Sunset
Sun -- 08:50 PM EDT     -0.00 knots Slack
Sun -- 11:43 PM EDT     -0.61 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.8-0.4-00.50.91.21.20.90.60.1-0.2-0.5-0.6-0.5-0.3-00.30.50.60.50.3-0.1-0.4-0.6

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 (1,6,7,8)
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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 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.