Friday, October19, 2018 L-36.com


Marine Weather and Tides
Plantation Island, 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 7:27AMSunset 6:55PM Friday October 19, 2018 10:10 AM EDT (14:10 UTC) Moonrise 3:12PMMoonset 1:48AM Illumination 76% 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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GMZ657 Coastal Waters From Chokoloskee To Bonita Beach Fl Out 20 Nm- Coastal Waters From East Cape Sable To Chokoloskee Fl Out 20 Nm- 313 Am Edt Fri Oct 19 2018
Today..East southeast winds 5 to 10 knots. Seas around 2 feet. Period 3 seconds. Bay and inland waters a light chop.
Tonight..East winds 5 to 10 knots. Seas less than 2 feet. Period 3 seconds. Bay and inland waters a light chop.
Saturday..East winds 5 knots becoming west southwest in the afternoon. Seas less than 2 feet. Period 2 seconds. Bay and inland waters smooth.
Saturday night..North winds 5 to 10 knots. Seas less than 2 feet. Period 2 seconds. Bay and inland waters a light chop.
Sunday..North northeast winds 10 to 15 knots. Seas less than 2 feet. Bay and inland waters a light chop.
Sunday night..Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Bay and inland waters a light chop.
Monday and Monday night..East northeast winds 10 to 15 knots. Seas 2 to 3 feet. Bay and inland waters a light chop.
Tuesday..East winds 5 to 10 knots. Seas around 2 feet. Bay and inland waters a light chop. A chance of showers and a slight chance of Thunderstorms.
GMZ600 Synopsis For Pascagoula Ms To Okaloosa Walton County Line Fl Out 60 Nm Including Major Area Bays And Sounds- 355 Am Cdt Fri Oct 19 2018
Synopsis..A generally light onshore flow is expected late Friday through early Saturday as high pressure builds over the western atlantic. Strong offshore winds and building seas return late Saturday through Sunday in the wake of a cold front passage on Saturday. A moderate to strong easterly flow is then expected early next week as high pressure builds back in north of the marine area.


7 Day Forecast for Marine Location Near Plantation Island, FL
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location: 25.82, -81.42     debug


Area Discussion for - Miami-South Florida, FL
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Fxus62 kmfl 191341
afdmfl
area forecast discussion
national weather service miami fl
941 am edt Fri oct 19 2018

Update
No changes needed to be made to the previous forecast as
everything looks on track. High pressure will continue to dominate
the weather pattern across south florida bringing an easterly flow
and mainly dry conditions as well. This will help to limit shower
and thunderstorm activity across south florida today. High
temperatures across the region will range from the upper 80s
across the east coast metro areas to the lower 90s across the
interior and west coast this afternoon. Another dry day is
expected on Saturday as high pressure remains in place across the
region.

Prev discussion issued 735 am edt Fri oct 19 2018
aviation...

vfr conditions will prevail throughout the forecast period. The
easterly wind flow will continue throughout today. Wind speeds
will increase to 10 to 12 knots later this morning and into this
afternoon. For kapf, a weak sea breeze will develop this afternoon
which will shift the winds around to the southwest. Winds will
diminish across all terminals later this evening.

Prev discussion... Issued 352 am edt Fri oct 19 2018
discussion...

tranquil weather continues again today and into tomorrow as high
pressure governs across south florida. This, in combination with
breezy easterly flow and a dry air mass with pwat values hovering
around 1.00"-1.20", will limit shower thunderstorm activity. Similar
to last night, a few showers will try to push inland early this
morning across east coast sites before marching westward by the
afternoon, but again, no thunder is forecast. High temperatures
today will range from the upper 80s across the east coast metro
areas to the lower 90s across the interior and west coast sections.

A new story unfolds this weekend as a frontal boundary stalls over
central florida Friday before lifting back to the north as a warm
front Saturday. A secondary cold front will then shove its way
through the state Sunday into Monday before eventually stalling
out a pinch to the south of miami-dade county. Because of this,
pops will increase along the eastern portions of south florida,
especially since pwats increase to the 1.80"-2.00" range. High
pressure will then rebuild back into the region midweek with a shift
and increase in winds from the east. Coastal sites can see winds in
the 18-22 mph range while inland sites can see winds in the 8-12 mph
range.

Marine...

with high pressure continuing to dominate across the south
florida atlantic waters, moderate easterly wind will persist today
before tapering off into the weekend. An isolated chance for
showers will also prevail, mainly in the overnight into early
morning hours today. For this morning, wind speeds may reach 15-18
kts, so small craft should exercise caution. Lastly, a cold front is
forecast to arrive early next week, increasing the potential for
higher winds and seas, and thus, advisory levels, especially Sunday
into Monday night.

Aviation...

vfr conditions will prevail throughout the period. A few quick
passing showers possible this morning but rain chances will be low
through the forecast period with high pressure in place. Easterly
winds will increase to 10-12 knots this afternoon. For apf, a weak
gulf sea breeze is expected to form shifting winds from the sw
around 19z around 10 knots. Tonight, winds will relax becoming light
and variable for all sites.

Beach forecast...

east wind of 15 to 20 mph has prevailed for several days and will
continue throughout the day today. Because of this, a high risk of
rip currents will occur on the atlantic beaches. A moderate to high
risk for east coast beaches will likely continue into the early part
of the weekend.

Fire weather...

an area of high pressure will continue to reign across south florida
for the first half of this weekend with only a few showers pushing
inland early this morning before marching westward by the afternoon.

Expect easterly winds of 5 to 10 mph each day this weekend. Because
of relatively light winds, dispersion values below 25 are forecast
for Saturday, leading to poor dispersion. However on Sunday behind a
passing cold front, values above 75 are expected, leading to
excellent dispersion as winds pick up. Relative humidity values will
remain above critical thresholds through the period.

Climate...

a record high minimum was tied at fort lauderdale on Thursday,
october 18th. The low temperature of 80 degrees tied 1998's daily
record warm low temperature of 80 degrees.

Persistent onshore flow from the warm atlantic threatens
additional warm records for today as well --
the record warm minima for today, october 19th are as follows:
city record date
naples 78 1968
west palm beach 78 2001
fort lauderdale 79 2013
miami 79 1970

Preliminary point temps pops
West palm beach 88 75 89 73 10 10 10 10
fort lauderdale 87 77 87 76 10 10 10 10
miami 87 75 88 74 10 10 10 0
naples 90 72 88 72 10 10 0 0

Mfl watches warnings advisories
Fl... High rip current risk until 8 pm edt this evening for flz168-172-
173.

Am... None.

Gm... None.

Update... 55 cwc


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPLF1 - Watson Place, FL 12 mi70 min 84°F
CNBF1 - Cannon Bay, FL 15 mi70 min 83°F
RKXF1 - Rookery Bay Reserve, FL 22 mi85 min 75°F
LMRF1 - Lostmans River, FL 23 mi70 min 84°F
WIWF1 - Willy Willy, FL 26 mi70 min 81°F
NPSF1 - 8725110 - Naples, FL 30 mi40 min 5.1 G 8 79°F 83°F1021.6 hPa
BDVF1 - Broad River, FL 33 mi70 min 83°F
HREF1 33 mi70 min 83°F
SREF1 37 mi70 min 85°F
CANF1 - Cane Patch, FL 37 mi70 min 82°F
GBIF1 - Gunboat Island, FL 37 mi70 min 84°F
TPEF1 - Tarpon Bay East, FL 37 mi130 min 83°F
CWAF1 42 mi130 min 82°F
NRRF1 43 mi70 min 84°F
LRIF1 46 mi70 min 83°F
BGCF1 - Big Carlos Pass, FL 47 mi76 min ENE 8 G 11 78°F 1022.1 hPa
WWEF1 48 mi130 min 82°F

Wind History for Naples, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Naples, Naples Municipal Airport, FL29 mi17 minENE 1010.00 miPartly Cloudy81°F73°F79%1021.3 hPa

Wind History from APF (wind in knots)
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Last 24hrE11E11E12E11NE11E9E10E6E8E7E7E8E7E8NE7NE7NE5NE7NE4E6NE5NE5NE8NE10
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Tide / Current Tables for Indian Key, Florida
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Indian Key
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Fri -- 02:48 AM EDT     Moonset
Fri -- 04:36 AM EDT     1.66 feet Low Tide
Fri -- 07:26 AM EDT     Sunrise
Fri -- 10:33 AM EDT     3.65 feet High Tide
Fri -- 04:11 PM EDT     Moonrise
Fri -- 05:18 PM EDT     0.82 feet Low Tide
Fri -- 06:54 PM EDT     Sunset
Fri -- 11:19 PM EDT     3.83 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.32.92.41.91.71.71.92.32.83.33.63.63.42.92.31.61.10.80.91.42.12.93.53.8

Tide / Current Tables for Round Key, Florida
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Round Key
Click for Map
Fri -- 02:49 AM EDT     Moonset
Fri -- 04:29 AM EDT     1.62 feet Low Tide
Fri -- 07:27 AM EDT     Sunrise
Fri -- 10:32 AM EDT     3.65 feet High Tide
Fri -- 04:12 PM EDT     Moonrise
Fri -- 05:11 PM EDT     0.81 feet Low Tide
Fri -- 06:54 PM EDT     Sunset
Fri -- 11:18 PM EDT     3.83 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.32.82.31.91.71.71.92.32.83.33.63.63.42.92.21.610.80.91.42.12.93.53.8

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.
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Wind Forecast for Miami-South Florida, FL (10,2,3,4)
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Ground Weather Radar Station Miami, 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.