Sunday, July5, 2020
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Marine Weather and Tides
Longboat 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 6:39AMSunset 8:30PM Sunday July 5, 2020 4:19 AM EDT (08:19 UTC) Moonrise 8:15PMMoonset 5:56AM Illumination 100% Phase: Full Moon; Moon at 15 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- 246 Am Edt Sun Jul 5 2020
Today..Southwest winds around 10 knots increasing to 10 to 15 knots late in the afternoon. Seas 2 to 3 feet. Bay and inland waters a moderate chop. Numerous showers and isolated Thunderstorms in the morning, then scattered Thunderstorms in the afternoon.
Tonight..Southwest winds around 15 knots diminishing to 5 to 10 knots in the late evening and overnight. Seas 2 feet. Bay and inland waters a moderate chop. Scattered showers and isolated Thunderstorms.
Monday..Southwest winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Numerous showers and isolated Thunderstorms in the morning, then scattered Thunderstorms in the afternoon.
Monday night..Southwest winds around 10 knots diminishing to around 5 knots in the late evening and overnight. Seas 2 feet. Bay and inland waters a light chop. Isolated Thunderstorms.
Tuesday..Southwest winds around 5 knots then becoming west around 10 knots in the afternoon. Seas 2 feet. Bay and inland waters a light chop. Isolated Thunderstorms.
Tuesday night..Northwest 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..Northwest winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Isolated Thunderstorms.
Thursday..West winds around 10 knots. Seas 2 feet. 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- 246 Am Edt Sun Jul 5 2020
Synopsis..High pressure in the southern gulf of mexico and weak low pressure in the deep south will keep the westerly flow pattern over the eastern gulf waters the next couple of days. The ridge axis lifts into central florida by midweek with prevailing easterly flow...except for afternoon seas breezes. Higher winds and seas as well as dangerous lightning can be expected near Thunderstorms.


7 Day Forecast for Marine Location Near Longboat Key, FL
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location: 27.38, -82.63     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 050602 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 202 AM EDT Sun Jul 5 2020

DISCUSSION. A rather broad weakness in the larger scale upper ridge across the Deep South and Southeast U.S. should remain nearly anchored in place today through the beginning of the week, with a hint of a weak upper low trying to develop by Monday across the central Gulf Coast region. Remnant MCVs or MCSs and convectively enhanced shortwaves are expected to be present within this broad trough, along with a weak surface frontal boundary. NHC continues to advertise disorganized cloudiness and showers over the far northern Gulf of Mexico are associated with a nearly stationary surface trough. Some slight development of this system is possible before the trough moves onshore along the northeastern Gulf Coast on Monday with a small 10 percent chance of formation in the next 48 hours. These features will continue to produce a very moist and unstable summertime environment in the SW-W mean layer flow over the area to produce scattered to numerous showers and isolated thunderstorms moving from the E Gulf waters ashore early morning through mid day then interior areas through the afternoon hours today through Monday.

Tuesday through mid week, upper ridging nudging over the state from the N Carib while weak surface high pressure holds across the FL Peninsula. Late week into next weekend upper troughiness sags southward back into the region with surface low pressure forming in baroclinic zone along the Carolina Coast with weak frontal boundary extending into NE FL. Expect fairly typical summertime temps and diurnal POPs for the area.

AVIATION. Prevailing VFR conditions expected with localized residual fireworks haze overnight along with early to mid morning E Gulf SHRA/TSRA moving ashore for VC conditions as W-SW winds shift the bulk of the SHRA/TSRA inland in the afternoon.

MARINE. The E Gulf to remain between the high pressure ridge axis near the Florida Keys and weak low pressure along the N Gulf Coast keeping moderate SW-W winds around 10-15 knots and seas 2 to 3 feet today through Monday. Also expect scattered to numerous showers and isolated thunderstorms daily with higher wind gusts, choppy seas, and dangerous lightning in/near thunderstorms. The gradient is expected to relax with winds and seas subsiding Tue through mid week.

FIRE WEATHER. Light westerly flow and abundant low level moisture will keep high humidities and summertime rain chances over the area.

Preliminary Point Temps/PoPs. TPA 90 78 91 79 / 70 50 80 20 FMY 92 78 93 78 / 60 30 60 10 GIF 91 75 92 76 / 80 30 90 10 SRQ 91 78 91 78 / 70 50 70 10 BKV 90 73 91 74 / 80 40 80 30 SPG 91 79 91 79 / 70 50 70 20

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

Davis


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PMAF1 18 mi50 min 79°F 1013 hPa
MTBF1 20 mi50 min S 5.1 G 6 84°F 1013 hPa
42013 - C10 - Navy-2 21 mi50 min SW 7.8 G 9.7 85°F 87°F1013.3 hPa
42098 22 mi54 min 87°F2 ft
VENF1 - Venice, FL 23 mi80 min E 2.9 G 5.1 82°F 89°F1013.2 hPa (-1.0)76°F
CLBF1 25 mi86 min SW 6 G 8 84°F 1012.5 hPa
SAPF1 - 8726520 - St. Petersburg, FL 26 mi50 min WSW 1.9 G 2.9 83°F 88°F1013.2 hPa
GCTF1 28 mi50 min 83°F 1012.9 hPa
OPTF1 - 8726607 - Old Port Tampa, FL 33 mi50 min WSW 5.1 G 7 84°F 88°F1013 hPa
EBEF1 39 mi62 min 78°F 93°F1012.9 hPa
SKCF1 39 mi98 min SSW 3.9 G 5.8
TSHF1 - 8726667 - East Bay Causeway, FL 39 mi56 min E 2.9 G 6
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 40 mi50 min E 5.1 G 6
CWBF1 - 8726724 - Clearwater Beach, FL 43 mi50 min SSW 8 G 11 84°F 90°F1012.9 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, FL4 mi27 minESE 47.00 miFair79°F75°F90%1012.3 hPa
Venice Municipal Airport, FL24 mi25 minE 36.00 miFog/Mist79°F77°F94%1013.5 hPa

Link to 5 minute data for KSRQ

Wind History from SRQ (wind in knots)
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Last 24hrW5W5E3SE3W6SW6SW8SW9SW9W10W11W13
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2 days agoW4W6W4W4W7W8W9W11SW10W10W12W12W12W14W9W10W7SW9W9W8W7W7SW7W9

Tide / Current Tables for Sarasota, Sarasota Bay, Florida (2)
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Sarasota
Click for Map
Sun -- 12:44 AM EDT     Full Moon
Sun -- 03:50 AM EDT     1.34 feet High Tide
Sun -- 06:05 AM EDT     1.33 feet Low Tide
Sun -- 06:40 AM EDT     Sunrise
Sun -- 06:55 AM EDT     Moonset
Sun -- 12:12 PM EDT     2.61 feet High Tide
Sun -- 08:28 PM EDT     Sunset
Sun -- 09:12 PM EDT     -0.32 feet Low Tide
Sun -- 09:14 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.611.21.31.31.31.31.41.51.82.22.52.62.62.421.61.10.60.1-0.2-0.3-0.30

Tide / Current Tables for Tampa Bay Entrance (Egmont Channel), Florida Current
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Tampa Bay Entrance (Egmont Channel)
Click for Map
Sun -- 12:44 AM EDT     Full Moon
Sun -- 01:15 AM EDT     1.71 knots Max Flood
Sun -- 06:21 AM EDT     0.13 knots Min Flood
Sun -- 06:40 AM EDT     Sunrise
Sun -- 06:56 AM EDT     Moonset
Sun -- 11:30 AM EDT     1.45 knots Max Flood
Sun -- 02:19 PM EDT     -0.00 knots Slack
Sun -- 06:20 PM EDT     -2.44 knots Max Ebb
Sun -- 08:30 PM EDT     Sunset
Sun -- 09:16 PM EDT     Moonrise
Sun -- 10:50 PM EDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.41.71.61.20.70.30.10.20.40.71.11.41.410.3-0.6-1.5-2.1-2.4-2.4-2-1.5-0.70.1

Weather Map
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wmap_A
GEOS 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.
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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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.