Tuesday, June27, 2017 L-36.com


Marine Weather and Tides
Rotonda, 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 6:35AMSunset 8:27PM Tuesday June 27, 2017 1:33 PM EDT (17:33 UTC) Moonrise 9:24AMMoonset 10:42PM 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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GMZ856 Coastal Waters From Bonita Beach To Englewood Fl Out 20 Nm- 927 Am Edt Tue Jun 27 2017
This afternoon..South winds around 5 knots then becoming west around 10 knots in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop. Isolated Thunderstorms.
Tonight..Northwest winds around 10 knots then becoming southeast 5 to 10 knots toward morning. Seas 2 feet or less. Bay and inland waters a light chop. Isolated Thunderstorms after midnight.
Wednesday..Southeast winds 5 to 10 knots then becoming east late in the morning, then becoming west around 10 knots in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop. Isolated Thunderstorms.
Wednesday night..Northwest winds around 5 knots then becoming east around 10 knots after midnight. Seas 2 feet or less. Bay and inland waters a light chop. Isolated Thunderstorms.
Thursday..East winds around 10 knots then becoming southeast around 5 knots early in the afternoon, then becoming southwest late in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop. Isolated Thunderstorms in the morning. Scattered Thunderstorms in the afternoon.
Thursday night..Northwest winds around 5 knots then becoming north around 5 knots late in the evening, then becoming east around 10 knots after midnight. Seas 2 feet or less. Bay and inland waters a light chop. Scattered Thunderstorms.
Friday..Southeast winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop. Scattered Thunderstorms.
Friday night..East winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop. Scattered Thunderstorms.
Saturday..Southeast winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Scattered Thunderstorms.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 927 Am Edt Tue Jun 27 2017
Synopsis..A weak pressure gradient will remain over the coastal waters through the next several days...with light winds and seas expected. Scattered Thunderstorms will be possible each day.

7 Day Forecast for Marine Location Near Rotonda, FL
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location: 26.74, -82.33     debug


Area Discussion for - Tampa Bay, FL
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Fxus62 ktbw 271326
afdtbw
area forecast discussion
national weather service tampa bay ruskin fl
926 am edt Tue jun 27 2017

Update
The synoptic pattern aloft this more features ridging across the
southwest, a large longwave trough over much of the eastern half of
the country, and another ridge south of florida. Our region resides
in a fairly weak upper-level flow in between the latter two features,
as noted on the morning sounding. At the surface, a frontal boundary
remains draped across the northern florida peninsula while the
atlantic ridge axis stretches across the southern peninsula. The
overall low-level flow is generally light south to southwest and
almost westerly. Scattered showers and a few thunderstorms have been
lingering offshore this morning and some have moved inland across the
nature coast and south into pinellas county.

The forecast for the rest of the day remains largely on track. Plenty
of insolation will allow the west coast sea breeze to quickly develop
and then push inland, so a few showers and storms will be possible
across coastal areas later this morning and into the early afternoon,
but then will push inland and become more numerous. Convection will
likely linger after sunset for a few hours and could migrate back
toward the coast a bit.

Made only minor changes to pops for this morning. No other changes
needed.

Aviation
Vfr conditions prevail this morning across all terminals and will
persist through the rest of the morning. Vcts starting earliest at
kpie at 15z, then the rest of the coastal sites at 16-17z, and
finally klal at 18z as the sea breeze forms and pushes storms quickly
away from the coast. Brief ifr restrictions will be possible with
any passing storms, but otherwise expect mainlyVFR. Storms will
likely linger near klal later than all other sites, but some could
drift back toward the coast this evening. Convection will eventually
dissipate within a few hours of sunset, with a quiet overnight
expected.

Marine
A weak pressure gradient will remain over the coastal waters through
the next several days, with light winds and seas expected. Scattered
thunderstorms will be possible each day.

Preliminary point temps pops
Tpa 90 76 92 76 50 10 50 20
fmy 91 75 93 74 50 20 60 30
gif 91 73 92 75 60 40 60 20
srq 86 76 87 76 50 10 40 20
bkv 90 73 91 74 40 10 60 20
spg 89 77 91 78 50 10 40 20

Tbw watches warnings advisories
Fl... None.

Gulf waters... None.

Update aviation marine... 05 carlisle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VENF1 - Venice, FL 24 mi33 min W 6 G 6 85°F 88°F1016.6 hPa (+0.0)74°F
FMRF1 - 8725520 - Fort Myers, FL 25 mi45 min S 7 G 8 77°F 90°F1016.5 hPa
42013 - C10 - Navy-2 43 mi63 min NW 3.9 G 5.8 85°F

Wind History for Naples, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Punta Gorda, Charlotte County Airport, FL22 mi40 minWNW 1110.00 miPartly Cloudy83°F73°F72%1016.9 hPa
Venice Municipal Airport, FL24 mi38 minW 6 G 1110.00 miFair88°F75°F66%1016.6 hPa

Wind History from PGD (wind in knots)
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Last 24hrSW7W96W8N10N5N7NE3CalmNE4E7SE7S4S7S4S3CalmCalmS4S4SW53NW6NW11
1 day agoNE4CalmE45SW17
G23
SW8W8N5E6E3N4N6NE3CalmCalmCalmCalmCalmSE3S8SE6S7SW6W11
2 days agoW6SW9SW10SW11S12SW3NE3SW3SE7W3CalmE3SE3NE5CalmCalmCalmCalmCalmSE6SE444S5

Tide / Current Tables for Port Boca Grande, Charlotte Harbor, Florida
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Port Boca Grande
Click for Map
Tue -- 05:42 AM EDT     1.15 feet High Tide
Tue -- 06:37 AM EDT     Sunrise
Tue -- 08:26 AM EDT     0.97 feet Low Tide
Tue -- 10:23 AM EDT     Moonrise
Tue -- 03:25 PM EDT     1.90 feet High Tide
Tue -- 08:26 PM EDT     Sunset
Tue -- 10:29 PM EDT     -0.07 feet Low Tide
Tue -- 11:41 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.10.40.60.911.11.11.1111.11.21.51.61.81.91.91.71.410.50.2-0-0.1

Tide / Current Tables for Boca Grande Pass, Charlotte Harbor, Florida Current
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Boca Grande Pass
Click for Map
Tue -- 03:03 AM EDT     2.52 knots Max Flood
Tue -- 06:37 AM EDT     Sunrise
Tue -- 08:13 AM EDT     -0.00 knots Slack
Tue -- 09:01 AM EDT     -0.13 knots Max Ebb
Tue -- 09:48 AM EDT     0.00 knots Slack
Tue -- 10:23 AM EDT     Moonrise
Tue -- 01:44 PM EDT     2.01 knots Max Flood
Tue -- 04:44 PM EDT     -0.00 knots Slack
Tue -- 08:26 PM EDT     Sunset
Tue -- 08:55 PM EDT     -2.92 knots Max Ebb
Tue -- 11:41 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.21.52.32.52.31.91.20.60.1-0.10.10.61.31.921.60.8-0.3-1.3-2.2-2.7-2.9-2.6-1.8

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 (13,3,4,5)
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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.