Sunday, August19, 2018 L-36.com


Marine Weather and Tides
Coral Gables, FL

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What's New / NOTES
7/21/2018 Trying to make page Mobile Friendly

Sunrise 6:55AMSunset 7:53PM Sunday August 19, 2018 10:05 AM EDT (14:05 UTC) Moonrise 1:56PMMoonset 12:18AM Illumination 56% 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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AMZ630 Biscayne Bay- 333 Am Edt Sun Aug 19 2018
Today..Southeast winds 5 to 10 knots. Bay waters a light chop. A chance of showers and Thunderstorms.
Tonight..East southeast winds 5 to 10 knots. Bay waters a light chop. A chance of showers and Thunderstorms after midnight.
Monday..East southeast winds 5 to 10 knots. Bay waters a light chop. A chance of showers and Thunderstorms in the morning... Then a slight chance of showers and Thunderstorms in the afternoon.
Monday night..East winds 5 to 10 knots. Bay waters a light chop. A slight chance of showers and Thunderstorms through the night.
Tuesday..East southeast winds 5 to 10 knots. Bay waters a light chop. A chance of showers and Thunderstorms.
Tuesday night..East southeast winds around 5 knots. Bay waters smooth. A chance of showers and Thunderstorms.
Wednesday..Southeast winds 5 to 10 knots. Bay waters a light chop. A chance of showers and Thunderstorms.
Wednesday night and Thursday..Southeast winds around 5 knots. Bay waters smooth. A chance of showers and Thunderstorms.
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- 333 Am Edt Sun Aug 19 2018
Synopsis.. An area of high pressure located over the western atlantic will continue to dominate the weather pattern across the local waters through the middle of the week. Light to moderate east to southeasterly flow will continue across the atlantic and gulf waters with seas generally remaining at 2 feet or less. Scattered showers and Thunderstorms will be possible each day. Winds and waves could be higher in and around any shower or Thunderstorm.
Gulf stream hazards..None the approximate location of the west wall of the gulf stream as of aug 16, 2018 at 1200 utc... 10 nautical miles southeast of fowey rocks. 16 nautical miles east northeast of port everglades. 11 nautical miles east southeast of lake worth. 13 nautical miles east southeast of jupiter inlet. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Coral Gables, FL
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location: 25.67, -80.21     debug


Area Discussion for - Miami-South Florida, FL
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Fxus62 kmfl 191356
afdmfl
area forecast discussion
national weather service miami fl
956 am edt Sun aug 19 2018

Update
No major changes needed to be made to the previous forecast as
everything looks on track. The 12z mfl sounding shows that the
pwats have increased to 1.96 this morning. This will help to lead
to an increased chance of showers and thunderstorms across the
region today. These storms will begin to develop along the east
coast sea breeze during the late morning hours. The greatest
coverage however will be across interior and west coast sections
during the afternoon hours as the east and west coast sea breezes
move inland and collide. There could be one or two strong
thunderstorms this afternoon that could produce gusty winds. Most
of the shower and thunderstorm activity will begin to diminish
this evening, however, there could be some lingering activity
across the atlantic and the east coast metro areas overnight.

Prev discussion issued 729 am edt Sun aug 19 2018
aviation...

vfr conditions will prevail throughout the forecast period. Winds
will increase out of the southeast across the east coast terminals
by the late morning hours to near 10 knots. Scattered showers and
thunderstorms are possible mainly west of the east coast terminals
this afternoon. At kapf, the west coast sea breeze will shift the
winds out of the west southwest near 10 knots this afternoon.

Showers and thunderstorms will begin to diminsh this evening.

Prev discussion... Issued 331 am edt Sun aug 19 2018
discussion...

surface high pressure extending over florida from the atlantic
will allow a southeasterly flow to persist over the next several
days. Over the last 24 hours, additional moisture has moved over
south florida allowing for healthier shower and thunderstorm
chances. Expect this trend to continue for another 24 hours or so
as some mid-level vorticity moves across southern florida.

Temperatures today will once again reach into the upper 80s and
lower 90s across the region with sea breeze development
anticipated. The southeasterly flow will keep the gulf sea breeze
pinned closer today, which should focus convection later today
over inland southwest florida including glades, hendry, and
portions of collier county.

With convection on-going all night, there will be plenty of
remnant boundaries hanging around the area to provide a focus for
convective development through the morning into the afternoon.

Storm motion is fast enough to preclude major concerns about heavy
rainfall causing flooding though repeated storms through an
urbanized area could create some ponding issues in low-lying or
poorly drained areas. There could be some strong storms today
capable of producing wind gusts to 45 mph, but expect that to be
fairly isolated in nature and focused along boundary collisions.

Hail threat appears minimal with a fairly warm atmosphere aloft.

As the work week kicks off, some of the elevated moisture from
this weekend begins to depart and rain chances should drop closer
to the normal sea breeze driven convection levels. A mid-level
trough departs from the southeastern united states which should
allow high pressure to build back over the area at that level on
Monday. On Tuesday, the next mid-level trough emerges over the
central united states amplifying on its trek eastward towards the
atlantic by Wednesday. For our region, this feature still appears
to stay far enough north to limit its influence. It will help
focus moisture over the state which will enable the summer
thunderstorm pattern to continue in the afternoons through the end
of the week as the moisture boundary ends up stalling over the
peninsula of florida.

By the end of the forecast period next weekend, the pattern shifts
back to a mid-level ridge over the mid-south of the united states.

This will combine with the atlantic surface ridge to provide
decent amounts of moisture over the region while also keeping the
pattern from becoming very unsettled. The locations of these two
high pressure areas will be crucial to the extended forecast as a
shift north could allow deep tropical moisture to push north into
the region more easily which could lead to increased rain chances
compared to the current forecast. Overall, things in the tropics
appear to be fairly quiet for the next week based off the current
guidance.

Marine...

persistent southeasterly to easterly flow offshore with the
diurnal sea breeze pattern near shore, over lake okeechobee, and
biscayne bay. No headlines are anticipated through the next
several days. Showers and thunderstorms remain the primary weather
concern for mariners, particularly gusty winds, locally higher
seas, heavy rainfall, and lightning from thunderstorms.

Prev discussion... Issued 245 am edt Sun aug 19 2018
aviation...

light southeast winds will persist through mid morning. Moisture
from over the atlantic waters will stream onshore over the next
several hours, affecting all east coast TAF sites with vcsh.

Although the occasional thunderstorm is possible, not confident
enough to include mention of lightning in the latest package. Aft
19 1500z, southeasterly winds will increase once again to around
10 kt. Expect the highest coverage of afternoon shower and
thunderstorm activity will be over the interior and gulf coast,
especially near kapf.

Preliminary point temps pops
West palm beach 89 78 90 78 40 30 30 20
fort lauderdale 89 80 90 81 50 30 30 20
miami 89 79 90 79 50 30 30 20
naples 90 76 91 76 40 20 30 20

Mfl watches warnings advisories
Fl... None.

Am... None.

Gm... None.

Update... 55 cwc


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VAKF1 - 8723214 - Virginia Key, FL 5 mi36 min SSE 8 G 9.9 85°F 88°F1017.4 hPa
FWYF1 - Fowey Rocks, FL 8 mi66 min SE 11 G 12 84°F 86°F1018 hPa (+1.3)
MDKF1 28 mi126 min 89°F
PEGF1 29 mi42 min SE 7 G 8.9 85°F 1017.6 hPa
PVGF1 - Port Everglades Channel, FL 30 mi36 min SSE 5.1 G 8 85°F 1017.9 hPa77°F
HCEF1 - Highway Creek, FL 31 mi126 min 87°F
THRF1 33 mi126 min 88°F
LSNF1 - Long Sound, FL 33 mi66 min 87°F
LBSF1 - Little Blackwater, FL 34 mi126 min 87°F
BWSF1 - Blackwater Sound, FL 36 mi126 min 87°F
TCVF1 - Trout Cove, FL 36 mi126 min 87°F
DKKF1 - Duck Key, FL 37 mi126 min 88°F
TRRF1 - Taylor River, FL 39 mi66 min 87°F
LMDF1 - Little Madeira, FL 41 mi66 min 87°F
CANF1 - Cane Patch, FL 42 mi66 min 84°F
BNKF1 - Butternut Key, FL 43 mi66 min 87°F
BDVF1 - Broad River, FL 43 mi66 min 85°F
NRRF1 44 mi66 min 87°F
TPEF1 - Tarpon Bay East, FL 44 mi126 min 85°F
WIWF1 - Willy Willy, FL 45 mi66 min 83°F
TBYF1 45 mi66 min 88°F
LRIF1 45 mi66 min 87°F
MLRF1 - Molasses Reef, FL 46 mi66 min SE 9.9
GBTF1 - Garfield Bight, FL 47 mi66 min 88°F
HREF1 48 mi66 min 85°F
GBIF1 - Gunboat Island, FL 48 mi66 min 87°F
WWEF1 49 mi126 min 87°F

Wind History for Virginia Key, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Miami, Miami International Airport, FL11 mi73 minSE 610.00 miMostly Cloudy84°F78°F82%1017.4 hPa
Miami, Kendall-Tamiami Executive Airport, FL12 mi73 minSE 410.00 miA Few Clouds85°F79°F82%1017.3 hPa
Homestead Air Reserve Base, FL16 mi70 minN 010.00 miMostly Cloudy83°F78°F87%1017.6 hPa
Miami, Opa Locka Airport, FL17 mi73 minSSE 710.00 miFair84°F77°F80%1017.8 hPa
Hollywood, North Perry Airport, FL23 mi73 minSSE 510.00 miFair86°F78°F77%1017.9 hPa

Wind History from MIA (wind in knots)
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Last 24hrSE7E11SE11SE6E12E9SE7SE9E9E8E9E7SE7E7NW4CalmW4SE3CalmSE3SE5SE6SE6S7
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SE12E11SE11E11E11E13E10E11E9E8E9E9SE7SE3N4CalmN5NE4CalmNE3CalmE8E6
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Tide / Current Tables for Key Biscayne Yacht Club, Biscayne Bay, Florida
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Key Biscayne Yacht Club
Click for Map
Sun -- 01:18 AM EDT     Moonset
Sun -- 04:23 AM EDT     1.95 feet High Tide
Sun -- 06:55 AM EDT     Sunrise
Sun -- 11:14 AM EDT     0.25 feet Low Tide
Sun -- 02:55 PM EDT     Moonrise
Sun -- 05:15 PM EDT     2.00 feet High Tide
Sun -- 07:52 PM EDT     Sunset
Sun -- 11:50 PM EDT     0.58 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.711.41.71.91.91.71.410.70.40.30.30.611.51.821.91.81.51.10.80.6

Tide / Current Tables for Miami Harbor Entrance, Florida Current
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Miami Harbor Entrance
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Sun -- 01:17 AM EDT     Moonset
Sun -- 02:03 AM EDT     1.47 knots Max Flood
Sun -- 04:32 AM EDT     -0.00 knots Slack
Sun -- 06:55 AM EDT     Sunrise
Sun -- 08:55 AM EDT     -1.28 knots Max Ebb
Sun -- 10:56 AM EDT     0.00 knots Slack
Sun -- 02:44 PM EDT     1.68 knots Max Flood
Sun -- 02:55 PM EDT     Moonrise
Sun -- 05:25 PM EDT     -0.00 knots Slack
Sun -- 07:52 PM EDT     Sunset
Sun -- 09:32 PM EDT     -1.14 knots Max Ebb
Sun -- 11:23 PM EDT     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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1.31.41.51.30.5-0.4-0.8-1-1.2-1.3-0.90.11.11.51.61.71.20.3-0.3-0.6-0.8-1.1-1.1-0.4

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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Other links: Northern Pacific     Contential US     Full GOES-East
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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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.