Tuesday, October20, 2020
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L-36.com

Marine Weather and Tides
Arcadia, FL

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 7:30AMSunset 6:56PM Tuesday October 20, 2020 9:57 AM EDT (13:57 UTC) Moonrise 10:42AMMoonset 9:23PM Illumination 14% Phase: Waxing Crescent; Moon at 4 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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GMZ836 Charlotte Harbor And Pine Island Sound- 309 Am Edt Tue Oct 20 2020
.small craft should exercise caution...
Today..East winds 15 to 20 knots. Bay and inland waters choppy. A chance of Thunderstorms in the morning, then Thunderstorms likely in the afternoon.
Tonight..East winds 15 to 20 knots. Bay and inland waters a moderate chop. A chance of Thunderstorms.
Wednesday..East winds 15 to 20 knots. Bay and inland waters a moderate chop. A chance of Thunderstorms in the morning, then Thunderstorms likely in the afternoon.
Wednesday night..East winds 15 to 20 knots. Bay and inland waters a moderate chop. A chance of Thunderstorms.
Thursday..East winds 15 to 20 knots. Bay and inland waters a moderate chop. A chance of Thunderstorms.
Thursday night..East winds around 10 knots. Bay and inland waters a light chop. A chance of Thunderstorms in the evening, then a slight chance of Thunderstorms after midnight.
Friday..East winds around 10 knots. Bay and inland waters a light chop. A slight chance of Thunderstorms in the morning, then a chance of Thunderstorms in the afternoon.
Friday night..East winds around 10 knots. Bay and inland waters a light chop. A chance of Thunderstorms in the evening, then a slight chance of Thunderstorms after midnight.
Saturday..East winds around 10 knots. Bay and inland waters a light chop. A slight chance of Thunderstorms in the morning, then a chance of Thunderstorms in the afternoon.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 309 Am Edt Tue Oct 20 2020
Synopsis.. Interaction between a trough of low pressure south of florida and strong high pressure over the eastern seaboard will continue to produce gusty east-northeast winds over the gulf coast waters over the next couple of days. This has warranted the issuance of a small craft advisory for eastern gulf waters. Scattered showers and isolated storms will be possible through midweek, with decreasing chances by end of the week.


7 Day Forecast for Marine Location Near Arcadia, FL
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location: 27.22, -81.8     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 201308 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 908 AM EDT Tue Oct 20 2020

UPDATE. Similar to yesterday at this time high pressure along and offshore the eastern seaboard combined with a broad area of low pressure over western Cuba and the southeastern Gulf is supporting a breezy easterly wind flow over the forecast area this morning. Morning Raob data shows an increase in moisture with a PW of 1.81 inches which is up over a quarter of an inch from 24 hours ago. This moisture combined with a divergent flow aloft will support scattered to numerous showers and a few thunderstorms developing over the area again today, with the potential for some locally heavy downpours, strong gusty winds, lightning, and even some small hail as cold mid level temperatures (-9C at 500MB) help to steepen lapse rates and increase diurnal instability during the afternoon. Current forecast has a good handle on things with no updates or changes required at this time.

AVIATION. Brief MVFR conditions will be possible at the terminals after 18Z as scattered SHRA/TSRA develop over the region. Outside of the convection VFR is expected. Northeast winds in the 7 to 10 knot range currently will become east and increase to 10 to 15 knots after 15Z with higher gusts near SHRA/TSRA. Northeast to east winds will diminish to 6 to 8 knots after 02Z tonight.

MARINE. A 5-6MB gradient between high pressure to the north and lower pressure across the Caribbean and southeastern Gulf is maintaining a breezy easterly wind flow across the Gulf waters this morning with east winds around 20 knots being observed. Little change is expected for the remainder of today with Small Craft Advisory headlines remaining in effect through 8 PM EDT for all of the near and offshore waters, with Exercise Caution for the Tampa Bay and Charlotte Harbor waters. Ongoing forecast is in good shape with no changes expected in the next update around 10 AM.

TBW WATCHES/WARNINGS/ADVISORIES. FL . None. Gulf waters . Small Craft Advisory until 8 PM EDT this evening for Coastal waters from Bonita Beach to Englewood FL out 20 NM-Coastal waters from Englewood to Tarpon Springs FL out 20 NM- Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-Waters from Bonita Beach to Englewood FL out 20 to 60 NM-Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM.



UPDATE/AVIATION/MARINE . 57/McMichael UPPER AIR/DECISION SUPPORT . 97/Flannery


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VENF1 - Venice, FL 36 mi117 min NE 8.9 G 12 76°F 81°F1014.3 hPa (+0.7)76°F
FMRF1 - 8725520 - Fort Myers, FL 40 mi57 min NE 7 G 9.9 77°F 80°F

Wind History for C-Cut, FL
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Punta Gorda, Charlotte County Airport, FL23 mi64 minENE 610.00 miMostly Cloudy76°F73°F91%1015.3 hPa

Link to 5 minute data for KPGD

Wind History from PGD (wind in knots)
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Tide / Current Tables for Shell Point, Peace River, Florida
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Shell Point
Click for Map
Tue -- 12:20 AM EDT     1.33 feet Low Tide
Tue -- 05:40 AM EDT     2.53 feet High Tide
Tue -- 07:30 AM EDT     Sunrise
Tue -- 11:42 AM EDT     Moonrise
Tue -- 02:22 PM EDT     -0.18 feet Low Tide
Tue -- 06:54 PM EDT     Sunset
Tue -- 09:25 PM EDT     1.48 feet High Tide
Tue -- 10:23 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.31.41.61.92.32.52.52.42.11.71.20.80.3-0-0.2-0.10.10.50.81.21.41.51.51.4

Tide / Current Tables for Punta Gorda, Charlotte Harbor, Florida (2)
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Punta Gorda
Click for Map
Tue -- 04:54 AM EDT     2.31 feet High Tide
Tue -- 07:31 AM EDT     Sunrise
Tue -- 11:42 AM EDT     Moonrise
Tue -- 01:19 PM EDT     -0.16 feet Low Tide
Tue -- 06:54 PM EDT     Sunset
Tue -- 08:39 PM EDT     1.35 feet High Tide
Tue -- 10:24 PM EDT     Moonset
Tue -- 11:31 PM EDT     1.29 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.21.41.722.22.32.221.61.20.70.3-0-0.2-0.10.10.40.711.21.31.31.31.3

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
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.