Tuesday, January21, 2020
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Marine Weather and Tides
Charlotte Park, 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 7:16AMSunset 6:02PM Tuesday January 21, 2020 3:58 AM EST (08:58 UTC) Moonrise 4:28AMMoonset 3:17PM Illumination 15% Phase: Waning Crescent; Moon at 26 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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GMZ856 Coastal Waters From Bonita Beach To Englewood Fl Out 20 Nm- 336 Am Est Tue Jan 21 2020
.small craft advisory in effect through Wednesday morning...
Today..North winds around 20 knots increasing to 20 to 25 knots late in the afternoon. Seas 4 to 6 feet. Bay and inland waters rough.
Tonight..North winds around 20 knots. Seas 4 to 6 feet. Bay and inland waters choppy.
Wednesday..North winds around 20 knots diminishing to 10 to 15 knots in the afternoon. Seas 3 to 5 feet. Bay and inland waters choppy.
Wednesday night..Northeast winds around 15 knots. Seas 2 to 4 feet. Bay and inland waters a moderate chop.
Thursday..Northeast winds around 10 knots. Seas 2 to 3 feet. Bay and inland waters a light chop.
Thursday night..East winds around 5 knots then becoming southeast toward morning. Seas 2 feet or less. Bay and inland waters smooth.
Friday..South winds around 5 knots. Seas 2 feet or less. Bay and inland waters smooth. A slight chance of showers.
Friday night..Southwest winds around 5 knots then becoming northwest around 10 knots after midnight. Seas 2 feet. Bay and inland waters a light chop. A slight chance of showers in the evening, then a chance of showers after midnight.
Saturday..North winds 5 to 10 knots increasing to around 15 knots late in the afternoon. Seas 2 feet. Bay and inland waters a moderate chop.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 336 Am Est Tue Jan 21 2020
Synopsis.. High pressure in the upper midwest and low pressure in the atlantic will both slowly move east through mid to late week...with initially strong winds that gradually diminish and veer. A front pushes into the gulf of mexico Friday and across florida Saturday with some showers.


7 Day Forecast for Marine Location Near Charlotte Park, FL
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location: 26.93, -82.07     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 210801 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 301 AM EST Tue Jan 21 2020

. DRY AND VERY COLD AIR WILL CONTINUE TO SWEEP INTO THE AREA .

SHORT TERM (Today - Wednesday). Aloft: A trough over the southern and central Appalachians shifts offshore tonight and over the Atlantic Wed as a ridge from the Rio Grande Valley to the Canadian prairies slides east . stretching from the Gulf of Mexico to the Saint Lawrence Valley by Wed night. Surface: Strong and sprawling high pressure along the NE/IA border works eastward to the Atlantic coast Wed.

The upper level trough and surface high pressure will maintain dry and cold northern flow into Wed. Freezing temperatures are expected across parts of the Nature Coast before dawn . with durations supporting a freeze warning in Levy County. Today will be on the chilly side with afternoon highs about 10 to 15 degrees below normal. This cold air continues tonight into Wed morning with some even lower temperatures . a freeze warning is in effect for the Nature Coast with a freeze watch from Pasco to Sarasota-Desoto away from the coast. In addition winds remain high enough overnight for a wind chill advisory for the entire area. Finally the northerly flow will take on a slight onshore component today and result in a high risk of rip currents. The highs for Wed will continue on the cool side but warm by 3 to 5 degrees.

LONG TERM (Wednesday night - Monday). High pressure along the eastern seaboard at the start of the period will move east into the Atlantic during Thursday and Thursday night as the next storm system over the Mississippi valley moves east toward the mid Atlantic coast. As the high shifts east winds will veer to the east and southeast with moderating temperatures and a slow increase in moisture expected. As the aforementioned storm system moves eastward a trailing cold front will move east across the Gulf through Friday, and then south through the forecast area during Friday night and early Saturday bringing with it some low rain chances along and ahead of it. In the wake of the front cooler and drier conditions will return Saturday night through Monday as high pressure builds in over the area. Temperatures will moderate back to near normal Thursday through Saturday, before falling back to below normal during Sunday and Monday in the wake of the front.

AVIATION. 21/06Z. VFR. N winds back slightly and become gusty AFT 14-17Z.

MARINE. High pressure moving across the central then eastern U.S. along with low pressure in the Atlantic will result in robust to strong winds on the Gulf waters. A Small Craft Advisory will be in effect through Wed. Bay and harbor waters will see slightly lower speeds but still in the Exercise Caution range. As the high tracks east winds begin to diminish and veer midweek.

FIRE WEATHER. Cold and dry air continues for the next couple of days . with the Nature Coast seeing RH below 35 percent for perhaps 2 to 4 hours. But low ERC values and light winds will preclude any Red Flag conditions. Moisture slowly recovers during the rest of the week.

Preliminary Point Temps/PoPs. TPA 56 34 59 49 / 0 0 0 0 FMY 61 37 64 51 / 0 0 0 0 GIF 57 34 59 49 / 0 0 0 0 SRQ 58 34 60 49 / 0 0 0 0 BKV 54 28 58 44 / 0 0 0 0 SPG 55 40 57 50 / 0 0 0 0

TBW WATCHES/WARNINGS/ADVISORIES. FL . High Rip Current Risk from 7 AM EST this morning through this evening for Coastal Charlotte-Coastal Hillsborough-Coastal Lee-Coastal Manatee-Coastal Sarasota-Pinellas.

Wind Chill Advisory from 1 AM to 9 AM EST Wednesday for Coastal Charlotte-Coastal Citrus-Coastal Hernando-Coastal Hillsborough-Coastal Lee-Coastal Levy-Coastal Manatee- Coastal Pasco-Coastal Sarasota-DeSoto-Hardee-Highlands- Inland Charlotte-Inland Citrus-Inland Hernando-Inland Hillsborough-Inland Lee-Inland Levy-Inland Manatee-Inland Pasco-Inland Sarasota-Pinellas-Polk-Sumter.

Freeze Warning until 9 AM EST this morning for Coastal Levy- Inland Levy.

Freeze Warning from 1 AM to 9 AM EST Wednesday for Coastal Citrus-Coastal Hernando-Coastal Levy-Inland Citrus-Inland Hernando-Inland Levy-Sumter.

Freeze Watch from late tonight through Wednesday morning for DeSoto-Hardee-Inland Hillsborough-Inland Manatee-Inland Pasco-Inland Sarasota-Polk.

Gulf waters . Small Craft Advisory until 10 AM EST Wednesday 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.



SHORT TERM/AVIATION/MARINE/FIRE WEATHER . 09/Rude LONG TERM/DECISION SUPPORT . 57/McMichael


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FMRF1 - 8725520 - Fort Myers, FL 22 mi58 min N 9.9 G 17 49°F 69°F1021.2 hPa (-0.3)
VENF1 - Venice, FL 23 mi58 min NNE 14 G 19 48°F 66°F1022 hPa (-0.5)41°F
BGCF1 - Big Carlos Pass, FL 38 mi124 min NNE 17 G 21 53°F 1021.6 hPa

Wind History for Naples, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Punta Gorda, Charlotte County Airport, FL4 mi65 minN 1010.00 miFair46°F41°F83%1022.1 hPa
Venice Municipal Airport, FL22 mi63 minNNE 12 G 1910.00 miFair48°F41°F76%1022.3 hPa

Link to 5 minute data for KPGD

Wind History from PGD (wind in knots)
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1 day agoSE7SE6SE7SE7SE8S6S10SW11SW11
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2 days agoE8E8E6E5NE6E5E11
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Tide / Current Tables for Punta Gorda, Charlotte Harbor, Florida
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Punta Gorda
Click for Map
Tue -- 04:27 AM EST     Moonrise
Tue -- 07:17 AM EST     Sunrise
Tue -- 07:39 AM EST     -0.56 feet Low Tide
Tue -- 03:16 PM EST     Moonset
Tue -- 04:25 PM EST     0.96 feet High Tide
Tue -- 05:39 PM EST     0.95 feet Low Tide
Tue -- 06:01 PM EST     Sunset
Tue -- 11:51 PM EST     1.81 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.71.51.20.90.50.1-0.3-0.5-0.5-0.4-0.20.10.40.60.80.911111.21.41.61.8

Tide / Current Tables for Boca Grande Pass, Charlotte Harbor, Florida Current
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Boca Grande Pass
Click for Map
Tue -- 02:37 AM EST     -3.03 knots Max Ebb
Tue -- 04:28 AM EST     Moonrise
Tue -- 06:40 AM EST     0.00 knots Slack
Tue -- 07:18 AM EST     Sunrise
Tue -- 10:22 AM EST     2.60 knots Max Flood
Tue -- 03:17 PM EST     Moonset
Tue -- 03:27 PM EST     0.24 knots Min Flood
Tue -- 06:02 PM EST     Sunset
Tue -- 07:58 PM EST     1.71 knots Max Flood
Tue -- 11:04 PM EST     -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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-1.6-2.4-2.9-3-2.6-1.8-0.80.41.42.22.62.521.30.70.30.30.61.11.61.71.50.90.1

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 (3,6,7,8)
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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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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.