Monday, May21, 2018 L-36.com


Marine Weather and Tides
Port Charlotte, FL

Version 3.4
What's New / NOTES
5/20/2018 -- NOAA is having problems with the data feed that I use to draw the graphs. They are aware of the issue and working to resolve it. Sometimes changing the location by about a mile will give a correct graph. 3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.

Sunrise 6:36AMSunset 8:14PM Monday May 21, 2018 10:07 PM EDT (02:07 UTC) Moonrise 11:52AMMoonset 12:30AM Illumination 47% Phase: First Quarter Moon; Moon at 7 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- 851 Pm Edt Mon May 21 2018
Rest of tonight..East winds 10 to 15 knots. Seas 2 to 3 feet. Bay and inland waters a moderate chop. Scattered showers and isolated Thunderstorms.
Tuesday..Southeast winds around 15 knots diminishing to 5 to 10 knots late in the afternoon. Seas 2 to 3 feet. Bay and inland waters a moderate chop. Scattered showers and isolated Thunderstorms.
Tuesday night..East winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Scattered showers and isolated Thunderstorms in the evening.
Wednesday..Southeast winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Scattered showers and isolated Thunderstorms in the afternoon.
Wednesday night..Southeast winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Scattered showers and isolated Thunderstorms.
Thursday..East winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Scattered showers and isolated Thunderstorms.
Thursday night..East winds 5 to 10 knots then becoming southeast around 15 knots after midnight. Seas 2 feet. Bay and inland waters a moderate chop. Scattered showers and isolated Thunderstorms.
Friday..Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Bay and inland waters a moderate chop. Numerous showers and isolated Thunderstorms.
Friday night..Southeast winds 10 to 15 knots increasing to around 20 knots after midnight. Seas 2 feet. Bay and inland waters choppy. Numerous showers in the evening, then scattered showers and isolated Thunderstorms after midnight.
Saturday..Southeast winds 10 to 15 knots increasing to around 20 knots in the afternoon. Seas building to 3 to 5 feet. Bay and inland waters choppy. Numerous showers and isolated Thunderstorms.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 851 Pm Edt Mon May 21 2018
Synopsis..A trough of low pressure over the east central gulf of mexico combined with high pressure over the atlantic will continue to support a southeast to southerly wind flow over the gulf waters tonight through the end of the week. Wind and seas should remain below 15 knots and 5 feet through the period though wind and seas will be higher in the vicinity of Thunderstorms each day. An area of low pressure may develop over the gulf during the upcoming weekend and all mariners should continue to Monitor the progress of this system in the coming days.

7 Day Forecast for Marine Location Near Port Charlotte, FL
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location: 26.97, -82.22     debug


Area Discussion for - Tampa Bay, FL
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Fxus62 ktbw 220036
afdtbw
area forecast discussion
national weather service tampa bay ruskin fl
836 pm edt Mon may 21 2018

Update
Similar to last night at this time deep tropical moisture
(pw's close to 2 inches) continues to stream into the
forecast area on a deep layered southeast to southerly wind
flow between high pressure over the atlantic and a trough
of low pressure over the east central gulf of mexico. The
afternoon convection is now on the wane with loss of daytime
heating with just some lingering showers and storms noted on
88d returns along the coast from pinellas county north to
cedar key, with mainly cloudy skies but dry conditions being
observed elsewhere.

As for the rest of tonight am expecting mainly rain free
conditions once the ongoing convection ends, however with
abundant moisture in place and a divergent flow aloft some
additional shower development will be possible at any time
overnight, so will maintain pops in the 20 to 30 percent
range. Mild and muggy conditions will continue with overnight
lows falling to around 70. The ongoing forecast has a good
handle on things with no evening update required at this
time.

On Tuesday abundant moisture will keep rain chances high
across the region with more scattered to numerous showers
and isolated storms expected along with the threat of some
locally heavy rainfall in some locations.

Aviation
MVFR ifr CIGS vsbys from shra tsra will continue to impact
ktpa, kpie, and ksrq terminals until 03z. After 03z mainly
vfr is expected at all area terminals overnight into early
Tuesday morning with CIGS in the 035-050 kft range. After
15z additional MVFR ifr CIGS and vsbys will begin to impact
the terminals again as scattered to numerous shra and isolated
tsra redevelop over the region. East to southeast winds at
6 to 8 knots will prevail with higher gusts possible in the
vicinity of tsra.

Marine
Southeast to south winds in the 10 to 15 knot range near
shore and around 15 knots offshore with seas of 2 to 3 feet
will continue over the gulf waters the remainder of tonight
with deep layered moisture supporting scattered showers and
isolated storms. The current forecast is on track with no
changes expected in the next update around 9 pm.

Tbw watches warnings advisories
Fl... None.

Gulf waters... None.

Update aviation marine... 57 mcmichael
upper air decision support... 63 jillson


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VENF1 - Venice, FL 14 mi68 min E 4.1 G 5.1 77°F 80°F1017.2 hPa (+0.8)72°F
FMRF1 - 8725520 - Fort Myers, FL 29 mi50 min E 2.9 G 5.1 77°F 84°F1016.9 hPa
42013 - C10 - Navy-2 40 mi98 min SSE 9.7 G 12 77°F

Wind History for C-Cut, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Punta Gorda, Charlotte County Airport, FL13 mi75 minSE 610.00 miFair78°F69°F74%1017.8 hPa
Venice Municipal Airport, FL14 mi73 minESE 310.00 miFair77°F73°F89%1017.3 hPa

Wind History from PGD (wind in knots)
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Last 24hrSE4E5SE8E4NE4E4NE4E4E4E5E5E9SE9S6SE16E16S16
G22
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1 day agoSE12SE10SE9E6N4N4NE5N4N7NE5NE5E6E4SE6SE10SE8E8SE22
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2 days agoE3CalmNE3NE4CalmCalmCalmCalmCalmNE4CalmCalmE8E10SE9S6S93E11SE10SW3NW6NE10SE9

Tide / Current Tables for El Jobean, Myakka River, Florida
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El Jobean
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Mon -- 01:29 AM EDT     Moonset
Mon -- 04:13 AM EDT     -0.18 feet Low Tide
Mon -- 06:38 AM EDT     Sunrise
Mon -- 12:14 PM EDT     1.27 feet High Tide
Mon -- 12:51 PM EDT     Moonrise
Mon -- 02:46 PM EDT     1.23 feet Low Tide
Mon -- 08:13 PM EDT     Sunset
Mon -- 08:38 PM EDT     1.80 feet High Tide
Mon -- 11:50 PM EDT     First Quarter
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.90.50.2-0.1-0.2-0.10.10.30.60.91.11.21.31.31.21.21.31.41.51.71.81.81.71.5

Tide / Current Tables for Boca Grande Pass, Charlotte Harbor, Florida Current
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Boca Grande Pass
Click for Map
Mon -- 01:29 AM EDT     Moonset
Mon -- 02:23 AM EDT     0.00 knots Slack
Mon -- 05:51 AM EDT     2.29 knots Max Flood
Mon -- 06:38 AM EDT     Sunrise
Mon -- 12:16 PM EDT     -0.00 knots Slack
Mon -- 12:23 PM EDT     -0.00 knots Max Ebb
Mon -- 12:30 PM EDT     0.00 knots Slack
Mon -- 12:52 PM EDT     Moonrise
Mon -- 04:27 PM EDT     1.21 knots Max Flood
Mon -- 07:12 PM EDT     -0.00 knots Slack
Mon -- 08:12 PM EDT     Sunset
Mon -- 11:50 PM EDT     First Quarter
Mon -- 11:55 PM EDT     -2.17 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-2.2-1.5-0.40.71.62.22.32.11.71.30.70.300.10.40.81.21.20.80.1-0.5-1.2-1.7-2

Weather Map and Satellite Images
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wmap_A
GOES 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.
target = "new">Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Tampa Bay, FL (22,6,7,8)
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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 numerious 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.