Friday, June22, 2018 L-36.com


Marine Weather and Tides
Beacon Square, 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 6:33AMSunset 8:32PM Friday June 22, 2018 10:50 PM EDT (02:50 UTC) Moonrise 2:42PMMoonset 1:54AM Illumination 73% Phase: Waxing Gibbous; Moon at 10 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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GMZ830 Tampa Bay Waters- 844 Pm Edt Fri Jun 22 2018
Tonight..Southwest winds around 10 knots. Bay and inland waters a light chop. Isolated showers after midnight.
Saturday..West winds around 10 knots. Bay and inland waters a light chop. Isolated showers in the morning.
Saturday night..West winds around 10 knots then becoming southwest around 5 knots toward morning. Bay and inland waters a light chop.
Sunday..West winds around 5 knots then becoming northwest in the late morning and afternoon. Bay and inland waters smooth. Isolated showers in the morning, then isolated Thunderstorms in the afternoon.
Sunday night..North winds around 5 knots then becoming east around 5 knots in the late evening and overnight. Bay and inland waters smooth. Scattered Thunderstorms in the evening, then scattered showers after midnight.
Monday..Southeast winds around 5 knots then becoming south late in the afternoon. Bay and inland waters smooth. Isolated showers in the morning, then isolated Thunderstorms in the afternoon.
Monday night..Southeast winds around 5 knots. Bay and inland waters smooth. Scattered Thunderstorms in the evening.
Tuesday..Southeast winds around 5 knots then becoming southwest around 5 knots in the afternoon. Bay and inland waters smooth. Isolated Thunderstorms.
Tuesday night..Southwest winds around 5 knots then becoming southeast around 5 knots after midnight. Bay and inland waters smooth. Scattered Thunderstorms.
Wednesday..South winds around 5 knots then becoming west around 5 knots in the afternoon. Bay and inland waters smooth. Scattered Thunderstorms.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 844 Pm Edt Fri Jun 22 2018
Synopsis..High pressure in the southern gulf will move into the central gulf this weekend and hold in place into early next week. Westerly winds will become light and variable with afternoon seabreezes. Isolated showers and Thunderstorms are possible briefly producing locally higher winds and seas.

7 Day Forecast for Marine Location Near Beacon Square, FL
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location: 28.23, -82.77     debug


Area Discussion for - Tampa Bay, FL
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Fxus62 ktbw 222341
afdtbw
area forecast discussion
national weather service tampa bay ruskin fl
741 pm edt Fri jun 22 2018

Update
Preliminary look at tbw sounding showing established westerly
flow through 25k ft has pushed afternoon convection to the
eastern side of the state with only a few light E gulf
showers attm, while light easterly upper level winds are
bringing cirrus debris blow off back towards the W coast.

Surface ridge axis over S fl to keep flow off the gulf with
warm and humid sensible conditions over W central and SW fl
with decreasing clouds tonight. Lighter westerly flow
expected Saturday with isolated coastal morning showers then
increasing afternoon thunderstorms as the surface ridge
slowly drifts back into c fl peninsula. Latest grids and
forecast on track.

Aviation
Westerly flow has pushed most shra tsra well inland forVFR
conditions the rest of this evening and tonight all sites.

Towards morning may again see coastal scattered shra or
isolated tsra around the bay area terminals otherwise normal
seabreeze activity on Saturday.

Prev discussion issued 241 pm edt Fri jun 22 2018
short term (tonight - Saturday)...

upper level ridging from south of bermuda ridges westward over
florida and into the gulf of mexico. The more prominent weather
feature on satellite is an upper low sitting over illinois, but the
ridge will keep any weather affects of this well to our north. The
upper low will move northeast into canada while ridging holds steady
over the region. On the surface, high pressure well south of bermuda
ridges west over the florida straits. This will keep a predominant
westerly flow over the west coast through the short term period.

This pattern will produce showers storms earlier in the day along
the west coast and moving inland through the day. As we have seen
all week, temperatures will reach the 90's for most of the region
which is seasonal for this time of year.

Long term (Saturday night - Friday)... A zonal pattern sets up over
the CONUS to start out the long term period. The upper low
has filled into a trough and moved into canada while upper
ridging remains over florida. This pattern remains unchanged
until the beginning of next week when the upper ridge
shifts north. Surface high pressure extends west over
florida into the gulf of mexico. A frontal boundary moves
north of the area by Tuesday next week, but the high
pressure should keep most of the effects well to the north.

So, for the long term period, a very typical summer time
pattern can be expected with afternoon showers storms and
warm temperatures.

Marine...

pleasant boating conditions will continue through the period as high
pressure continues to ridge over the gulf coast waters. Winds will
remain light at less than 10 knots with seas less than 2 feet
through the week. A stray shower or storm will be possible, but
overall great weather across the marine zones.

Fire weather...

high pressure ridges over the area which will keep relative humidity
values and scattered showers and storms possible each day which will
prevent any fire weather concerns through the period.

Preliminary point temps pops
Tpa 80 88 79 90 20 20 0 60
fmy 78 88 76 90 20 30 10 70
gif 76 89 76 92 20 60 10 80
srq 80 87 79 88 30 10 0 60
bkv 76 88 75 92 20 20 10 50
spg 80 89 79 90 30 10 0 50

Tbw watches warnings advisories
Fl... Beach hazards statement through Saturday evening for
coastal sarasota.

Gulf waters... None.

Update aviation marine... 25 davis
upper air... 27 shiveley flannery
decision support... 14 mroczka


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FHPF1 - Fred Howard Park, FL 6 mi116 min WNW 6 G 8 85°F 1015.2 hPa
ARPF1 - APK - Aripeka, FL 15 mi116 min W 5.1 G 8 86°F 1014.4 hPa
CWBF1 - 8726724 - Clearwater Beach, FL 18 mi56 min WSW 5.1 G 7 84°F 90°F1015.2 hPa
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 27 mi68 min SSW 2.9 G 7
OPTF1 - 8726607 - Old Port Tampa, FL 28 mi50 min W 8 G 8.9 84°F 89°F1015.3 hPa (+1.1)
MCYF1 28 mi50 min 89°F
SAPF1 - 8726520 - St. Petersburg, FL 33 mi56 min W 6 G 8 84°F 89°F1015.1 hPa
CLBF1 34 mi116 min WNW 5.1 G 9.9 88°F 1013.9 hPa
MTBF1 40 mi50 min NW 7 G 8 84°F 1015.4 hPa (+1.2)75°F
PMAF1 42 mi50 min 84°F 89°F1015.3 hPa (+1.2)
42098 45 mi50 min 87°F2 ft

Wind History for Clearwater Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tampa, Tampa International Airport, FL22 mi57 minW 610.00 miMostly Cloudy85°F75°F72%1015.1 hPa
St. Petersburg/Clearwater Airport, FL23 mi57 minW 410.00 miFair82°F77°F85%1015 hPa
Brooksville-Tampa Bay Regional Airport, FL24 mi57 minS 310.00 miFair79°F75°F88%1015 hPa

Wind History from TPA (wind in knots)
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Last 24hrW6W5W8SW7SW7SW7W9W10W7W7W6W6W7W9W10W12
G19
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1 day agoW3NW6NW3NW3W6W6W6W5W5W7W10W11SW18SW12NW8NW10NW9W9W5NW8
G16
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2 days agoNW3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalm3S7SW8SW8W5NW12W7--W12W7NW7NW3W4

Tide / Current Tables for Gulf Harbors, Florida
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Gulf Harbors
Click for Map
Fri -- 02:53 AM EDT     Moonset
Fri -- 03:01 AM EDT     1.16 feet Low Tide
Fri -- 06:34 AM EDT     Sunrise
Fri -- 08:56 AM EDT     3.09 feet High Tide
Fri -- 03:42 PM EDT     Moonrise
Fri -- 04:15 PM EDT     0.74 feet Low Tide
Fri -- 08:31 PM EDT     Sunset
Fri -- 10:02 PM EDT     2.55 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.91.51.31.21.31.62.12.633.132.72.31.81.30.90.80.81.11.62.12.42.62.5

Tide / Current Tables for Anclote Key, southern end, Florida
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Anclote Key
Click for Map
Fri -- 02:03 AM EDT     0.84 feet Low Tide
Fri -- 02:53 AM EDT     Moonset
Fri -- 06:35 AM EDT     Sunrise
Fri -- 08:18 AM EDT     2.98 feet High Tide
Fri -- 03:17 PM EDT     0.54 feet Low Tide
Fri -- 03:42 PM EDT     Moonrise
Fri -- 08:31 PM EDT     Sunset
Fri -- 09:24 PM EDT     2.46 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.310.811.31.82.32.732.92.72.21.71.20.80.50.60.91.31.82.22.42.42.2

Weather Map and Satellite Images
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wmap_A
GOES Local Image of    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.