Tuesday, August20, 2019 L-36.com


Marine Weather and Tides
Plantation Island, FL

Version 3.4
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7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:00AMSunset 7:59PM Tuesday August 20, 2019 11:56 PM EDT (03:56 UTC) Moonrise 10:13PMMoonset 10:12AM Illumination 70% Phase: Waning Gibbous; Moon at 20 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 Expires:201908211415;;959380 Fzus52 Kmfl 210138 Cwfmfl Coastal Waters Forecast For South Florida National Weather Service Miami Fl 938 Pm Edt Tue Aug 20 2019 Atlantic Coastal Waters From Jupiter Inlet To Ocean Reef Out To 60 Nm And Gulf Coastal Waters From East Cape Sable To Chokoloskee Out 20 Nm And Chokoloskee To Bonita Beach Out 60 Nm...including The Waters Of Biscayne Bay And Lake Okeechobee. Seas Are Provided As A Range Of The Average Height Of The Highest 1/3 Of The Waves...along With The Occasional Height Of The Average Highest 10 Percent Of The Waves. Gmz656-657-211415- Coastal Waters From Chokoloskee To Bonita Beach Fl Out 20 Nm- Coastal Waters From East Cape Sable To Chokoloskee Fl Out 20 Nm- 938 Pm Edt Tue Aug 20 2019
Rest of tonight..East winds 10 to 15 knots. Seas less than 2 feet. Period 3 seconds. Bay and inland waters a light chop. Chance of showers and Thunderstorms.
Wednesday..Southeast winds 5 to 10 knots nearshore and southeast 5 to 15 knots offshore. Seas less than 2 feet. Period 2 seconds. Bay and inland waters a light chop. Chance of showers in the morning. Chance of Thunderstorms. Showers likely in the afternoon.
Wednesday night..East winds 5 to 10 knots. Seas less than 2 feet. Period 2 seconds. Bay and inland waters a light chop. Chance of showers and slight chance of Thunderstorms in the evening, then slight chance of showers after midnight.
Thursday..East winds 5 to 10 knots becoming south in the afternoon. Seas less than 2 feet. Period 2 seconds. Bay and inland waters a light chop. Chance of showers in the morning. Chance of Thunderstorms. Showers likely in the afternoon.
Thursday night..East northeast winds 5 to 10 knots. Seas less than 2 feet. Bay and inland waters a light chop. Chance of showers and slight chance of Thunderstorms through the night.
Friday..East winds 5 to 10 knots. Seas less than 2 feet. Bay and inland waters a light chop. Chance of showers in the morning. Chance of Thunderstorms. Showers likely in the afternoon.
Friday night..East southeast winds 5 to 10 knots. Seas less than 2 feet. Bay and inland waters a light chop. Chance of Thunderstorms in the evening. Chance of showers through the night. Slight chance of Thunderstorms after midnight.
Saturday..South southeast winds 5 to 10 knots. Seas less than 2 feet. Bay and inland waters a light chop. Chance of Thunderstorms in the morning. Showers likely. Thunderstorms likely in the afternoon.
Saturday night..South southeast winds 5 to 10 knots. Seas less than 2 feet. Bay and inland waters a light chop. Chance of showers and Thunderstorms.
Sunday..South southwest winds around 5 knots. Seas less than 2 feet. Bay and inland waters smooth. Chance of showers and Thunderstorms.
GMZ600 Synopsis For Pascagoula Ms To Okaloosa Walton County Line Fl Out 60 Nm Including Major Area Bays And Sounds- 1024 Pm Cdt Tue Aug 20 2019
Synopsis..A light and predominantly onshore flow continues over the marine area as a ridge of surface high pressure continues to stretch from the western atlantic into the central gulf. Seas will remain two feet or less outside of Thunderstorms. Conditions will also remain favorable for isolated waterspouts, especially during the morning and early afternoon hours.


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 210008
afdmfl
area forecast discussion
national weather service miami fl
808 pm edt Tue aug 20 2019

Aviation
Vicinity TS continues to linger around kapf early this evening,
with light shra pushing away from the east coast terminals.

Outside of an isolated, quick passing shra, conditions will
gradually dry over the next few hours and prevail overnight.

Tomorrow, east to southeasterly flow will once again help focus
afternoon convection across the interior and west coast.

Confidence is too low to mention TS for the east coast sites at
this time.

Update
A pair of convective concerns this evening as sea breeze enhanced
convection continues along the gulf coast while small cells are
developing over different portions of the atlantic waters, lake
okeechobee, and the eastern two-thirds of the southern peninsula
of florida. The influence of the surface trough is certainly
evident with the uptick in non-diurnally induced convection
traveling along the southeasterly flow this evening. The
convection will eventually focus over the coastal waters with the
potential to also affect the east coast metro overnight. An
updated set of zones will soon be transmitted to show the slight
increase in pops for the evening and overnight, mainly over the
waters. Otherwise the forecast is on track with no additional
updates anticipated this evening. Have a wonderful Tuesday night!

Prev discussion issued 437 pm edt Tue aug 20 2019
discussion...

rest of today into tonight: a surface trough that has brought
increased shower and thunderstorm activity to the peninsula and
coastal waters over the past 12 hours will continue to progress
out of the region tonight into tomorrow as the atlantic ridge
builds back into S fl. Persistent easterly to southeasterly winds
will once again allow for the development of showers and
thunderstorms over the atlantic and gulf waters overnight tonight,
with the greatest coverage expected over the interior and gulf
coast.

Wednesday and Thursday: as the surface trough exits the region,
atlantic high pressure will once again become the dominant feature
through the remainder of the week. This typical summertime
pattern will favor diurnally driven convection each day along the
sea breezes with the greatest coverage expected over the interior
and gulf coast.

Friday into the weekend: a tropical wave that is currently
located near the bahamas is expected to progress westward into the
region late this week into the weekend, providing a moisture
surge that will increase overall rain and thunderstorm chances. In
addition, winds will become more light and southerly this
weekend, allowing for both atlantic and gulf sea breeze
development.

Early next week: winds will become more light and southerly,
allowing for diurnally driven afternoon convection along the
atlantic and gulf sea breezes. Storm coverage will be focused in
the interior and west coast.

Marine...

easterly to southeasterly flow will prevail through the week with
nocturnal easterly wind surges, mainly over the atlantic, that could
bring conditions near scec. Otherwise, winds and waves will
generally remain below headline criteria. Showers and thunderstorms
will be possible each day and night over the local south florida
waters. Gusty and erratic winds with locally higher seas are
possible in and around any convection.

Beach forecast...

the persistent easterly to southeasterly flow through a good portion
of the week will allow an elevated risk of rip currents to emerge
along the atlantic beaches of south florida. The threat will be
moderate by Wednesday and could remain elevated into the weekend.

Hydrology...

with a few periods of heavy rainfall possible over the coming days
as troughs and associated moisture push across the region, the
potential for ground saturation leading to increased risks of
flooding remains. The west coast metro is an area that will require
some monitoring as the easterlies will restrict the progress of the
gulf sea breeze which will allow a convective focus to hang around
the naples area until the pattern shifts.

Fisheating creek at palmdale has a current stage of 6.38, which
places it on action stage below the flood stage of 7 feet. Ensemble
guidance points to a slightly drier period ahead in the basin over
portions of glades and highlands counties that feed into the creek.

This lends higher confidence to the forecast which calls for the
creek to crest at 6.5 feet with rains later in the week. We will
still need to monitor in case excessive rainfall above forecast
occurs in the basin, leading to rapid rises in the creek above flood
stage.

Preliminary point temps pops
West palm beach 78 91 78 90 30 50 20 30
fort lauderdale 80 91 79 89 30 50 20 30
miami 78 91 78 90 30 40 20 30
naples 75 90 75 90 20 70 30 50

Mfl watches warnings advisories
Fl... None.

Am... None.

Gm... None.

Aviation... 11 hvn
update... 18 weinman & 02 rag
discussion... 18 weinman & 02 rag
marine... 18 weinman & 02 rag
beach forecast... 18 weinman & 02 rag
hydrology... 18 weinman & 02 rag


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPLF1 - Watson Place, FL 12 mi116 min 89°F
CNBF1 - Cannon Bay, FL 15 mi116 min 90°F
RKXF1 - Rookery Bay Reserve, FL 22 mi71 min NE 1.9 76°F 1019 hPa76°F
LMRF1 - Lostmans River, FL 23 mi116 min 89°F
WIWF1 - Willy Willy, FL 26 mi116 min 90°F
NPSF1 - 8725110 - Naples, FL 30 mi56 min 80°F 87°F1019.1 hPa (+1.7)
BDVF1 - Broad River, FL 33 mi116 min 87°F
HREF1 33 mi116 min 86°F
CANF1 - Cane Patch, FL 37 mi116 min 87°F
GBIF1 - Gunboat Island, FL 37 mi116 min 87°F
SREF1 37 mi116 min 88°F
TPEF1 - Tarpon Bay East, FL 37 mi176 min 88°F
CWAF1 42 mi176 min 89°F
NRRF1 43 mi116 min 88°F
LRIF1 46 mi116 min 90°F
BGCF1 - Big Carlos Pass, FL 47 mi62 min ENE 1.9 G 4.1 80°F 1020.1 hPa
WWEF1 48 mi176 min 88°F

Wind History for Naples, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Naples, Naples Municipal Airport, FL29 mi63 minN 010.00 miFair79°F75°F90%1018.7 hPa

Link to 5 minute data for KAPF

Wind History from APF (wind in knots)
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Last 24hrNE4NE4E6NE4NE4NE3NE4E7E9E8E8SE10SE7SE9SE6E9NE7NW33SW6N5E6NE3Calm
1 day ago--------------------------------NE12NE8NE7E9SE7E6E7E3
2 days agoE3E4E3E4E3E4N4E3NE5NE5NE3E8S3SE6W9W10W7N5NW4S8E3N5----

Tide / Current Tables for Everglades City, Barron River, Florida
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Everglades City
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Tue -- 12:38 AM EDT     0.28 feet Low Tide
Tue -- 05:51 AM EDT     2.96 feet High Tide
Tue -- 07:00 AM EDT     Sunrise
Tue -- 11:12 AM EDT     Moonset
Tue -- 12:56 PM EDT     0.46 feet Low Tide
Tue -- 06:06 PM EDT     2.89 feet High Tide
Tue -- 07:56 PM EDT     Sunset
Tue -- 11:12 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30.30.71.42.22.832.82.41.91.30.90.60.50.71.322.62.92.82.521.40.9

Tide / Current Tables for Round Key, Florida
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Round Key
Click for Map
Tue -- 04:22 AM EDT     4.44 feet High Tide
Tue -- 07:01 AM EDT     Sunrise
Tue -- 10:43 AM EDT     0.89 feet Low Tide
Tue -- 11:13 AM EDT     Moonset
Tue -- 04:37 PM EDT     4.33 feet High Tide
Tue -- 07:57 PM EDT     Sunset
Tue -- 10:56 PM EDT     0.77 feet Low Tide
Tue -- 11:13 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.22.13.144.44.33.93.12.21.510.91.322.93.74.24.33.93.22.41.510.8

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 (23,6,7,8)
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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.