Friday, August18, 2017 L-36.com


Marine Weather and Tides
Matlacha, FL

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 7:00AMSunset 8:02PM Friday August 18, 2017 2:52 AM EDT (06:52 UTC) Moonrise 2:40AMMoonset 4:33PM Illumination 17% 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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GMZ836 Charlotte Harbor And Pine Island Sound- 847 Pm Edt Thu Aug 17 2017
Rest of tonight..North winds around 10 knots then becoming east in the late evening and overnight. Bay and inland waters a light chop. Isolated Thunderstorms.
Friday..East winds around 5 knots then becoming southwest early in the afternoon, then becoming west around 10 knots late in the afternoon. Bay and inland waters a light chop. Isolated Thunderstorms in the afternoon.
Friday night..Northwest winds around 10 knots then becoming north around 5 knots late in the evening, then becoming east around 5 knots after midnight. Bay and inland waters a light chop. Isolated Thunderstorms.
Saturday..East winds around 5 knots. Bay and inland waters smooth. Isolated Thunderstorms in the morning, then scattered Thunderstorms in the afternoon.
Saturday night..East winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Sunday..Southeast winds around 10 knots. Bay and inland waters a light chop. Numerous Thunderstorms.
Sunday night..East winds around 10 knots. Bay and inland waters a light chop. Numerous Thunderstorms in the evening.
Monday..East winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Monday night..East winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms in the evening.
Tuesday..East winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 847 Pm Edt Thu Aug 17 2017
Synopsis..Surface high pressure will remain across the region with generally light winds and seas. Winds will turn onshore each afternoon with the seabreeze. Winds may increase a bit with easterly surges early next week as the pressure gradient tightens between low pressure to the south and high pressure to the north. Otherwise, the only marine concern will be scattered overnight and early morning Thunderstorms which may lead to locally stronger winds and rougher seas.

7 Day Forecast for Marine Location Near Matlacha, FL
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location: 26.63, -82.07     debug


Area Discussion for - Tampa Bay, FL
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Fxus62 ktbw 180039
afdtbw
area forecast discussion
national weather service tampa bay ruskin fl
839 pm edt Thu aug 17 2017

Evening update
Scattered thunderstorms continue this evening from southern
polk into highlands counties. This activity has decreased
in overall size and intensity over the last hour, and this
trend is expected to continue. A large area of stratiform
rainfall will also continue extending from these storms to
the south and west on the heels of moderate northeast upper
level winds. Lingering showers and storms should dissipate
by midnight with light winds and mild temperatures
overnight.

The only change to the forecast was to adjust pops to fit
ongoing activity, and reflect expected short term trends.

The associated sky grids also were tweaked to show more
widespread cloud cover with convective debris.

Aviation (00z tafs)
Ongoing storms over the interior peninsula should gradually
diminish by 05z. A stray storm or two may remain in the
vicinity of krsw kfmy where vcts will be maintained.

Otherwise prevailingVFR is expected much of the period.

Winds will become light and variable overnight, increasing
and shifting to the south and southwest by 18z fri.

Thereafter, scattered storms will develop over inland areas,
potentially affecting near coastal terminals.

Marine
High pressure will remain over the area through the weekend
before lifting northward. This will maintain light east to
southeast winds for the next few days. Early next week, a
tightening pressure gradient may allow for easterly wind
surge activity for a few days. Otherwise, the only marine
concern remains scattered thunderstorms, prompting locally
rougher marine conditions.

Preliminary point temps pops
Tpa 79 92 79 92 20 30 20 30
fmy 76 94 76 92 30 40 20 40
gif 75 94 76 94 70 40 20 30
srq 77 91 78 91 20 20 10 20
bkv 75 92 74 94 20 40 20 30
spg 80 92 80 92 20 20 10 20

Tbw watches warnings advisories
Fl... None.

Gulf waters... None.

Update aviation marine... 84 austin
upper air... 27 shiveley
decision support... 09 rude


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FMRF1 - 8725520 - Fort Myers, FL 11 mi52 min ESE 2.9 G 5.1 78°F 92°F1016.5 hPa (-1.3)
VENF1 - Venice, FL 37 mi52 min E 6 G 6 78°F 90°F1016.7 hPa (-1.4)75°F
NPSF1 - 8725110 - Naples, FL 37 mi52 min E 4.1 G 8 91°F1016.5 hPa (-1.4)
RKXF1 - Rookery Bay Reserve, FL 45 mi67 min ENE 2.9 76°F 75°F

Wind History for Naples, FL
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fort Myers, Page Field, FL11 mi59 minN 010.00 miFair77°F77°F100%1016.9 hPa
Fort Myers, Southwest Florida International Airport, FL18 mi59 minN 010.00 miFair77°F73°F90%1016.5 hPa
Punta Gorda, Charlotte County Airport, FL20 mi59 minESE 310.00 miFair76°F73°F94%1017.3 hPa

Wind History from FMY (wind in knots)
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Last 24hrCalmNE3CalmCalmCalmCalmE33CalmN3NE5Calm4CalmW9N6
G16
NW5SE3E5E3NE4CalmCalmCalm
1 day agoCalmCalmCalmCalmCalmCalmE4E53CalmNW6W11N15
G19
NE10CalmSE3CalmSE4E4CalmNE3CalmSE3Calm
2 days agoCalmCalmCalmCalmCalmCalmSE3CalmSW8S5SW7NW14W9W12SW7E12S7CalmS4CalmSE3SE3CalmCalm

Tide / Current Tables for Matlacha Pass (bascule bridge), Florida
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Matlacha Pass (bascule bridge)
Click for Map
Fri -- 02:24 AM EDT     1.36 feet High Tide
Fri -- 03:40 AM EDT     Moonrise
Fri -- 06:05 AM EDT     1.26 feet Low Tide
Fri -- 07:01 AM EDT     Sunrise
Fri -- 12:00 PM EDT     2.25 feet High Tide
Fri -- 05:32 PM EDT     Moonset
Fri -- 08:01 PM EDT     Sunset
Fri -- 08:45 PM EDT     0.03 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.11.31.41.41.31.31.31.31.51.722.22.22.221.71.410.60.30.100.20.5

Tide / Current Tables for Boca Grande Pass, Charlotte Harbor, Florida Current
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Boca Grande Pass
Click for Map
Fri -- 03:08 AM EDT     -0.00 knots Slack
Fri -- 03:31 AM EDT     -0.03 knots Max Ebb
Fri -- 03:41 AM EDT     Moonrise
Fri -- 03:53 AM EDT     0.00 knots Slack
Fri -- 07:02 AM EDT     Sunrise
Fri -- 08:25 AM EDT     1.93 knots Max Flood
Fri -- 11:40 AM EDT     -0.00 knots Slack
Fri -- 03:46 PM EDT     -3.14 knots Max Ebb
Fri -- 05:33 PM EDT     Moonset
Fri -- 07:37 PM EDT     0.00 knots Slack
Fri -- 08:02 PM EDT     Sunset
Fri -- 11:01 PM EDT     2.53 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.71.10.4000.411.61.91.91.40.7-0.3-1.4-2.4-3-3.1-2.7-1.9-0.80.51.52.32.5

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Southeast    EDIT
Geos

Wind Forecast for Tampa Bay, FL (2,6,7,8)
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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 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.