Thursday, November15, 2018 L-36.com


Marine Weather and Tides
Siesta Key, FL

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:50AMSunset 5:39PM Thursday November 15, 2018 7:04 PM EST (00:04 UTC) Moonrise 1:16PMMoonset 12:00AM Illumination 55% Phase: First Quarter Moon; Moon at 8 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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GMZ853 Coastal Waters From Englewood To Tarpon Springs Fl Out 20 Nm- 321 Pm Est Thu Nov 15 2018
.small craft advisory in effect until 9 pm est this evening...
Tonight..North winds around 15 knots. Seas 4 to 6 feet. Bay and inland waters a moderate chop.
Friday..North winds around 15 knots. Seas 3 to 5 feet. Bay and inland waters a moderate chop.
Friday night..Northeast winds 5 to 10 knots increasing to around 15 knots after midnight. Seas 2 to 4 feet. Bay and inland waters a moderate chop.
Saturday..Northeast winds around 15 knots diminishing to 5 to 10 knots in the late morning and afternoon. Seas 2 feet. Bay and inland waters a moderate chop.
Saturday night..Northeast winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
Sunday..North winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
Sunday night..Northeast winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. A slight chance of showers.
Monday..North winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop. A slight chance of showers.
Monday night..Northeast winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
Tuesday..Northeast winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 321 Pm Est Thu Nov 15 2018
Synopsis..Breezy northwest to north winds will continue across the coastal waters into this evening behind a cold front. High pressure will build in over the area Friday through the upcoming weekend with diminishing winds and subsiding seas expected.


7 Day Forecast for Marine Location Near Siesta Key, FL
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location: 27.3, -82.57     debug


Area Discussion for - Tampa Bay, FL
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Fxus62 ktbw 152319
afdtbw
area forecast discussion
national weather service tampa bay ruskin fl
619 pm est Thu nov 15 2018

Aviation
Periods of MVFR ceilings will continue through around 02z,
but clouds will generally break up and lift out overnight.

Generally clear skies will take over by Friday morning,
under breezy north winds.

Prev discussion issued 1255 pm est Thu nov 15 2018
short term (tonight-Friday)...

the upper trough will continue to swing through the state
tonight, with a secondary through stalling across north fl,
keeping W SW flow in place across the local area through the
period. At the surface, high pressure will continue to
build into the region with the clouds clearing out of the
area and cooler and drier air moving in. Breezy N NW winds
will turn to the N NE Friday and diminish a bit as the high
center moves NE into the deep south. Lows tonight expected
to fall into the mid 30s to lower 40s north, mid 40s inland
to mid 50s coastal central, and lower to mid 50s south.

Long term (Friday night-Thursday)...

surface ridging will continue across the area through the
weekend as conditions moderate with E NE winds in place, and
aloft generally W SW flow remains across the area. A weak
front then moves into the area Monday night Tuesday, with
upper energy lingering across the area through the end of
the period. A few showers possible with this, but most areas
are expected to remain dry. Some drier air moves in behind
the front as high pressure builds back in from the north,
but temps expected to remain about the same through the end
of the period. Highs will linger in the 70s to around 80
through the period, with lows warming from the 40s to lower
50s Friday night to in the 50s to lower 60s Saturday night
through the rest of the period.

Marine... SCA expected to remain in place through this
evening, then scec conditions continue through Friday
morning as winds turn more to the north. High pressure
remains across the waters through early Monday, with winds
continuing to lighten and turning to the E NE as the high
center shifts to the ne. A weak front then pushes through
the area Monday night Tuesday, with winds just backing a bit
to the N ne. Ridging returns thereafter.

Fire weather...

Friday afternoon may see a couple of hours with pockets of
humidity falling below 35 percent. Winds will be light and
erc values are low, so no headlines expected. Humidity will
then moderate for the rest of the week, with no other
critical humidities expected.

Preliminary point temps pops
Tpa 48 67 49 73 0 0 0 0
fmy 54 71 52 78 0 0 0 0
gif 47 68 48 75 0 0 0 0
srq 51 69 49 74 0 0 0 0
bkv 42 66 39 73 0 0 0 0
spg 53 67 54 71 0 0 0 0

Tbw watches warnings advisories
Fl... High rip current risk until 9 pm est this evening for
coastal charlotte-coastal hillsborough-coastal lee-
coastal manatee-coastal sarasota-pinellas.

Gulf waters... Small craft advisory until 9 pm est 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.

Aviation... 18 fleming


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VENF1 - Venice, FL 17 mi64 min NNW 22 G 25 69°F 77°F1017.4 hPa (+1.1)58°F
42013 - C10 - Navy-2 21 mi94 min NNW 19 G 23 68°F 78°F1017.8 hPa
PMAF1 23 mi34 min 65°F 72°F1017.7 hPa
MTBF1 25 mi34 min N 13 G 19 65°F 1018 hPa54°F
42098 28 mi34 min 77°F6 ft
CLBF1 31 mi70 min NNW 5.1 G 9.9 67°F 1017.1 hPa
SAPF1 - 8726520 - St. Petersburg, FL 32 mi40 min NNW 4.1 G 6 64°F 78°F1018 hPa
GCTF1 33 mi34 min 65°F 56°F
OPTF1 - 8726607 - Old Port Tampa, FL 39 mi34 min NNW 16 G 20 64°F 76°F1018 hPa
MCYF1 43 mi34 min 78°F
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 44 mi46 min NW 1.9 G 7
CWBF1 - 8726724 - Clearwater Beach, FL 49 mi34 min NW 16 G 22 64°F 76°F1018.2 hPa

Wind History for C-Cut, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sarasota / Bradenton, Sarasota-Bradenton International Airport, FL7 mi71 minNNW 1310.00 miMostly Cloudy67°F55°F68%1017 hPa
Venice Municipal Airport, FL17 mi69 minNNW 1310.00 miOvercast70°F59°F69%1017.6 hPa

Wind History from SRQ (wind in knots)
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Last 24hrS3S5SE6SE5SE5SE7N13N9NW13
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N6N6N7NW8NW9NW16
G24
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1 day agoS4W4SE3CalmCalmE3E3E3NE3NE3E3E6NE7E9E9E12E10E11SE13
G16
E12SE11SE4W6W6
2 days agoS7SW4S6S5S5CalmSE3E4E4E4E5E4SE6SE7SE8SE7S9S12S12S13SW8S9S5SW5

Tide / Current Tables for Sarasota, Sarasota Bay, Florida
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Sarasota
Click for Map
Thu -- 12:13 AM EST     1.28 feet Low Tide
Thu -- 04:52 AM EST     1.71 feet High Tide
Thu -- 06:50 AM EST     Sunrise
Thu -- 09:54 AM EST     First Quarter
Thu -- 01:09 PM EST     0.23 feet Low Tide
Thu -- 01:15 PM EST     Moonrise
Thu -- 05:38 PM EST     Sunset
Thu -- 08:22 PM EST     1.39 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.31.31.41.51.71.71.61.41.210.70.50.30.20.30.50.811.21.41.41.41.41.3

Tide / Current Tables for Tampa Bay (Sunshine Skyway Bridge), Florida Current
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Tampa Bay (Sunshine Skyway Bridge)
Click for Map
Thu -- 12:32 AM EST     0.00 knots Slack
Thu -- 04:06 AM EST     0.59 knots Max Flood
Thu -- 06:47 AM EST     -0.00 knots Slack
Thu -- 06:51 AM EST     Sunrise
Thu -- 09:54 AM EST     First Quarter
Thu -- 10:34 AM EST     -0.81 knots Max Ebb
Thu -- 01:16 PM EST     Moonrise
Thu -- 02:39 PM EST     0.00 knots Slack
Thu -- 05:38 PM EST     Sunset
Thu -- 06:21 PM EST     1.03 knots Max Flood
Thu -- 10:40 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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-0.10.10.30.50.60.50.3-0.1-0.4-0.7-0.8-0.8-0.7-0.5-0.20.10.50.8110.80.50.2-0.1

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Tampa Bay, FL (19,4,5,8)
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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.