Monday, May20, 2019

Marine Weather and Tides
Lake Clarke Shores, 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 6:29AMSunset 8:04PM Monday May 20, 2019 11:18 AM EDT (15:18 UTC) Moonrise 8:59PMMoonset 6:59AM Illumination 97% Phase: Waning Gibbous; Moon at 16 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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AMZ650 Coastal Waters From Jupiter Inlet To Deerfield Beach Fl Out 20 Nm- Waters From Jupiter Inlet To Deerfield Beach Fl From 20 To 60 Nm- 946 Am Edt Mon May 20 2019
Rest of today..East winds 5 to 10 knots. Seas around 2 feet. Period 3 seconds. Intracoastal waters a light chop. Chance of showers in the morning, then slight chance of showers.
Tonight..East winds 5 to 10 knots. Seas around 2 feet. Period 3 seconds. Intracoastal waters a light chop.
Tuesday..East winds 5 to 10 knots. Seas less than 2 feet. Period 4 seconds. Intracoastal waters a light chop.
Tuesday night..East winds 5 to 10 knots. Seas around 2 feet. Period 3 seconds. Intracoastal waters a light chop.
Wednesday..East northeast winds 5 to 10 knots with gusts to around 20 knots becoming around 15 knots in the evening. Seas around 2 feet. Intracoastal waters a moderate chop.
Wednesday night..East winds around 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop.
Thursday..East northeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Intracoastal waters choppy in exposed areas.
Thursday night..East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas to 8 feet. Intracoastal waters choppy in exposed areas.
Friday..East northeast winds around 15 knots with gusts to around 25 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Intracoastal waters a moderate chop.
AMZ600 Synopsis For Jupiter Inlet To Ocean Reef Fl Out To 60 Nm And For East Cape Sable To Bonita Beach Fl Out To 60 Nm- 946 Am Edt Mon May 20 2019
Synopsis..Isolated to scattered showers and Thunderstorms will remain possible across the gulf coastal waters today. Generally easterly winds are forecast to continue over the coastal waters this week, with these winds increasing to around 15 to 20 kt for middle to later parts of this week. As a result, seas will build, with wave heights reaching upwards of 4 to 6 feet over the atlantic coastal waters.
Gulf stream hazards..None. The approximate location of the west wall of the gulf stream as of may 18, 2019 at 1200 utc... 7 nautical miles east of fowey rocks. 9 nautical miles east northeast of port everglades. 10 nautical miles east southeast of lake worth. 14 nautical miles east southeast of jupiter inlet. This data courtesy of the naval oceanographic office.

7 Day Forecast for Marine Location Near Lake Clarke Shores, FL
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location: 26.65, -80.05     debug

Area Discussion for - Miami-South Florida, FL
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Fxus62 kmfl 201258 aab
area forecast discussion... Updated
national weather service miami fl
858 am edt Mon may 20 2019

High pressure will remain over the southeastern united states today
allowing for a northeast east wind over south florida. This will
keep south florida in a northeast to east wind flow today allowing
for the east coast sea breeze to develop and push inland with the
west coast sea breeze remaining near the west coast metro areas.

Therefore, the best coverage of showers and thunderstorms will be
over the western and southern interior areas of south florida this
afternoon into early this evening. There is also a moderate risk
of rip currents along the east coast beaches of south florida
today, due to the low tide this afternoon along with the
northeast east wind flow.

Rest of the forecast looks good at this time and no other changes
are planned.

Prev discussion issued 738 am edt Mon may 20 2019

the winds will remain easterly today around 10 knots over most of
the TAF sites, except for kapf TAF site where the winds will
become westerly after 17 18z today. There could be a few showers
over the east coast TAF sites this morning, but the main activity
of showers and thunderstorms will be over the interior areas this
afternoon. Therefore, the TAF sites will remain mostly dry today
along withVFR conditions.

Prev discussion... Issued 318 am edt Mon may 20 2019

key points:
*daily chances for showers and thunderstorms will continue early
this week, with lessening chances for this activity later this
week into the upcoming weekend.

*an elevated rip current risk will affect the atlantic beaches of
south florida through this week, with this risk more notably
increasing from the middle of this week into the weekend.

Modest surface ridging continues to reside over the atlantic waters
off the southeast CONUS coast, maintaining easterly low-level flow
over the local area. This surface ridge is being maintained by weak
subsident northerly midlevel flow west of a closed cyclone centered
well east of the fl peninsula. With little overall change in the
large-scale regime during the past 24 hours, a similar convective
pattern is anticipated across the NWS miami CWA for today as
compared to yesterday. While diurnally enhanced convection will be
possible in many areas today, this activity should favor interior
sections of south florida -- especially extreme southern parts of
the peninsula. Locally gusty winds will be possible with
collapsing convective cores, and locally heavy rain will be
possible. However, weak deep shear, and limited midlevel lapse
rates mitigating upward parcel accelerations, should limit
overall prospects for organized robust convection.

Starting Tuesday, substantial reinforcement and amplification of
western states midlevel troughing is expected to take place. As a
result, downstream midlevel ridging is forecast to amplify over
the southeast states -- with a strengthening midlevel anticyclone
expected to be centered north of the local area. Related midlevel
height rises will favor an intensification of the height gradient
between this anticyclone and the aforementioned closed cyclone.

In response to these developments, subsident northerly and
northeasterly flow is expected to yield a gradual influx of drier
tropospheric air into the area, with corresponding southwest
north atlantic surface ridging forecast to gradually
strengthen from mid to late week. These factors should serve to
initially focus surface-ridge-flanking baroclinicity and related
greater diurnal-convective potential westward on Tuesday.

For mid to late week and into the weekend, the continued influx
of deep dry air into the local area should largely mitigate
precipitation chances -- yielding partly cloudy to mostly clear
skies. However, the westward passage of bands of weak frontogenetic
ascent -- representing the low-level mass response peripheral to
the iteratively building surface ridge -- could support non-zero
precipitation chances through mid-week. Otherwise, surface
ridging north of the area is expected to yield enhanced onshore
flow along the atlantic beaches from mid to late week into this
weekend -- supporting elevated rip-current potential, as
subsequently addressed.

Slight abatement of surface ridging by late this weekend into early
next week could favor small increases in precipitation chances -- in
association with inverted surface troughs migrating westward over
the local area. However, in the absence of richer deep moisture, and
given relatively warm midlevel temperatures expected to persist over
the local area, the coverage and intensity of precipitation is
expected to remain minimal. With the anticipated persistent easterly-
flow component in the low levels, temperatures are forecast to be
generally near normal through the period.


isolated to scattered showers and thunderstorms will remain
possible across the south florida atlantic and gulf waters through
today, before the areal coverage of this activity gradually lessens
later this week into the upcoming weekend. East-northeast to
east-southeast winds are forecast to continue over the coastal
waters, with these winds increasing to upwards of 15-20 kt for
middle to later parts of this week. As a result, seas will build,
with wave heights reaching upwards of 4-6 feet over the atlantic
coastal waters.

Beach forecast...

the onshore-flow component along the south florida atlantic coast
will favor elevated rip-current potential through this week and
into the upcoming weekend. Present indications are that the most
substantial increase in rip-current potential should occur from
Wednesday into Thursday -- especially for the beaches of palm
beach county.


vfr conditions are forecast to persist at the TAF sites, with a
similar shower and thunderstorm coverage pattern today across
south florida as compared to yesterday. This activity should
generally remain either south of the TAF sites or over interior
areas -- during this afternoon into the evening. In general,
easterly winds around 5-13 kt are expected. However, for apf,
winds are expected to become westerly this afternoon in
association with an inland-advancing sea-breeze boundary.

Preliminary point temps pops
West palm beach 86 74 86 73 40 10 10 0
fort lauderdale 86 76 85 76 30 10 10 10
miami 87 75 87 75 20 10 20 10
naples 89 72 88 73 40 30 30 30

Mfl watches warnings advisories
Fl... None.

Am... None.

Gm... None.

Update... 54 bnb
discussion... 90 cohen
marine... 90 cohen
beach forecast... 90 cohen
aviation... 54 bnb

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LKWF1 - 8722670 - Lake Worth, FL 3 mi121 min 79°F 81°F1018.2 hPa
PEGF1 39 mi127 min Calm G 1 82°F 1016.8 hPa
PVGF1 - Port Everglades Channel, FL 39 mi217 min WNW 8.9 G 12 76°F 1015.9 hPa70°F
SPGF1 - Settlement Point, GBI 56 mi139 min E 6 G 7 79°F 1017.2 hPa (+1.4)

Wind History for Lake Worth Pier, FL
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1 day
2 days

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
West Palm Beach - Palm Beach International Airport, FL4 mi26 minNE 810.00 miPartly Cloudy86°F69°F57%1017.1 hPa
Boca Raton, Boca Raton Airport, FL19 mi32 minN 610.00 miPartly Cloudy84°F68°F58%1017.3 hPa

Wind History from PBI (wind in knots)
Last 24hrE12SE12SE12
1 day agoNE10
2 days agoE10

Tide / Current Tables for West Palm Beach Canal, Lake Worth, Florida
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Tide / Current Tables for Palm Beach, Lake Worth, Florida
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Weather Map and Satellite Images
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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 Miami-South Florida, FL (11,2,3,4)
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Ground Weather Radar Station Miami, FL
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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 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 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.