Monday, August26, 2019 L-36.com


Marine Weather and Tides
Key Biscayne, FL

Version 3.4
NOTICE
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 6:57AMSunset 7:47PM Monday August 26, 2019 5:38 AM EDT (09:38 UTC) Moonrise 1:43AMMoonset 3:46PM Illumination 18% Phase: Waning Crescent; Moon at 25 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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AMZ651 Coastal Waters From Deerfield Beach To Ocean Reef Fl Out 20 Nm- Waters From Deerfield Beach To Ocean Reef Fl From 20 To 60 Nm Excluding The Territorial Waters Of Bahamas- 356 Am Edt Mon Aug 26 2019
Today..Southwest winds 5 to 15 knots with gusts to around 25 knots. Seas less than 2 feet. Period 2 seconds. Intracoastal waters a light chop. Slight chance of Thunderstorms in the morning. Chance of showers. Chance of Thunderstorms in the afternoon.
Tonight..West winds 5 to 10 knots. Seas less than 2 feet along the coast and 2 to 3 feet in the gulf stream. Period 2 seconds increasing to 7 seconds after midnight. Intracoastal waters a light chop. Chance of showers and slight chance of Thunderstorms in the evening, then slight chance of showers after midnight.
Tuesday..West northwest winds 10 knots. Seas less than 2 feet along the coast and 2 to 3 feet in the gulf stream. Period 7 seconds. Intracoastal waters a light chop. Slight chance of Thunderstorms in the morning. Chance of showers. Chance of Thunderstorms in the afternoon.
Tuesday night..West northwest winds 10 knots. Seas less than 2 feet along the coast and 2 to 3 feet in the gulf stream. Period 7 seconds. Intracoastal waters a light chop. Chance of showers and Thunderstorms in the evening, then slight chance of showers and Thunderstorms after midnight.
Wednesday..Along the coast, north winds 5 knots in the morning becoming variable winds less than 5 knots. In the gulf stream, northeast winds 10 knots. Seas less than 2 feet along the coast and 2 to 3 feet in the gulf stream. Intracoastal waters a light chop. Chance of showers in the morning. Chance of Thunderstorms
showers likely in the afternoon
Wednesday night..Southeast winds 5 knots becoming west southwest in the morning. Seas around 2 feet. Intracoastal waters smooth. Chance of showers and Thunderstorms.
Thursday..Southeast winds 10 knots. Seas around 2 feet. Intracoastal waters a light chop. Slight chance of Thunderstorms in the morning. Chance of showers. Chance of Thunderstorms in the afternoon.
Thursday night..Winds south southeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. Chance of showers and Thunderstorms.
Friday..Southeast winds around 10 knots. Seas around 2 feet. Intracoastal waters a light chop. 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- 356 Am Edt Mon Aug 26 2019
Synopsis.. A weak boundary draped across the area will keep the potential for showers and Thunderstorms in the forecast for the next several days. A ridge of high pressure is forecast to build over the gulf of mexico late tomorrow, shifting the wind to the northwest across the area through Wednesday evening. Seas are forecast to run 1 to 3 feet, with the exception of 4 to 5 feet on Tuesday and Wednesday off the palm beach coast, due to a swell form a low pressure system sitting off the carolina coast.
Gulf stream hazards..None. The approximate location of the west wall of the gulf stream as of aug 24, 2019 at 1200 utc... 6 nautical miles east southeast of fowey rocks. 13 nautical miles east southeast of port everglades. 12 nautical miles east southeast of lake worth. 11 nautical miles east northeast of jupiter inlet. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Key Biscayne, FL
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location: 25.7, -80.17     debug


Area Discussion for - Miami-South Florida, FL
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Fxus62 kmfl 260753
afdmfl
area forecast discussion
national weather service miami fl
353 am edt Mon aug 26 2019

Discussion
The overall pattern is slow to change for the beginning of the
week. A weak low, which was over the area this past weekend, is
slowly progressing to the northeast. Behind it, there is a weak
boundary draped over the region. This boundary should act as a
mechanism to allow convection to initiate across south florida.

There is some ridging at 500mb, but it is fairly weak, and should
do little to inhibit convection. The gfs, which had been hinting
at some drier air trying to move in by the middle of the week, has
backed off and keeps pwats generally over 2 inches through the
week.

By the middle of the week, a vigorous 500mb trough moves across
the northern us, and picks up the sfc low, which is sitting off
the carolina coast by tomorrow. As it does, a high should build
over the gulf of mexico. Between the low exiting the area and the
high building to the west, northwest flow should develop for the
middle of the week, which should cause higher chances for
convection over southeast florida, although almost the entire
area has likely pops for Wednesday.

By Thursday, the pattern becomes more neutral at the surface, and
at 500mb. This will allow for a lighter steering flow, and the
opportunity for sea breeze driven convection. Models seem to be
favoring the interior and gulf coast for Thursday and Friday,
although there is a chance of showers and storms across the entire
area both days.

The weekend is the main concern for the forecast package. Current
model runs are still indicating quite a bit of uncertainty with
dorian. However, the GFS and ECMWF are now both bringing a closed
low into the area Saturday night. Neither is currently indicating
a strong system, but they are showing it should at least bring
some addition moisture and convective activity to the area all
weekend. However, again, this is highly uncertain at this time and
will greatly depend on how the system tracks. If it tracks over
hispaniola, it may be not much more than a wave that moves by.

There is also the potential it could track to the south, or remain
well east of the area, and not bring much activity to the area.

Given this, have kept only chance pops for the weekend.

Marine
Showers and thunderstorms remain possible through the week. A low
pressure system that is slowly strengthening off the carolina
coast may bring a northeast swell to the palm beach coast. While
seas are generally forecast to run 1 to 3 feet, they may build in
the area of the swell to 4 to 5 feet by late tomorrow into
Wednesday. The wind today is forecast to be generally out of the
southwest, then turn more northwest tomorrow and Wednesday, with
the wind over the atlantic waters turning northeast by Wednesday
evening. The remainder of the week will have variable wind,
depending on your location. There is a potential for a tropical
feature to move into the area next weekend. However, there is a
large amount of uncertainty with this system at this time.

Aviation
Light and variable flow across the region early this morning with
ssw increasing around 15z.VFR expected to prevail through around
15z, then another round of showers and storms which could bring
periods of MVFRVFR in the afternoon. Activity will begin to
diminish towards sunset. Light and variable winds will return
overnight.

Preliminary point temps pops
West palm beach 88 77 91 77 60 40 50 40
fort lauderdale 88 79 91 78 60 30 60 40
miami 88 80 92 78 50 30 70 30
naples 87 80 89 78 30 20 30 20

Mfl watches warnings advisories
Fl... None.

Am... None.

Gm... None.

Discussion... 13
marine... 13
aviation... 33 kelly


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VAKF1 - 8723214 - Virginia Key, FL 2 mi57 min SW 5.1 G 6 83°F 87°F1013.2 hPa
FWYF1 - Fowey Rocks, FL 8 mi39 min WSW 8 G 9.9 84°F 85°F1014 hPa (-0.5)
PEGF1 27 mi57 min WSW 2.9 G 4.1 82°F 1013.5 hPa
HCEF1 - Highway Creek, FL 34 mi99 min 89°F
THRF1 36 mi159 min 88°F
LBSF1 - Little Blackwater, FL 36 mi159 min 87°F
LSNF1 - Long Sound, FL 36 mi99 min 88°F
JBYF1 38 mi99 min 88°F
BWSF1 - Blackwater Sound, FL 39 mi159 min 88°F
TCVF1 - Trout Cove, FL 39 mi159 min 89°F
DKKF1 - Duck Key, FL 40 mi159 min 87°F
TRRF1 - Taylor River, FL 42 mi99 min 88°F
LMDF1 - Little Madeira, FL 44 mi99 min 87°F
CANF1 - Cane Patch, FL 45 mi99 min 87°F
BDVF1 - Broad River, FL 46 mi99 min 88°F
BNKF1 - Butternut Key, FL 46 mi99 min 87°F
WIWF1 - Willy Willy, FL 47 mi99 min 86°F
TPEF1 - Tarpon Bay East, FL 47 mi159 min 87°F
NRRF1 47 mi99 min 88°F
TBYF1 48 mi99 min 87°F
LRIF1 48 mi99 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, FL10 mi2.8 hrsN 010.00 miPartly Cloudy81°F77°F88%1014 hPa
Miami, Kendall-Tamiami Executive Airport, FL14 mi2.8 hrsN 010.00 miFair81°F79°F94%1013.9 hPa
Miami, Opa Locka Airport, FL16 mi2.8 hrsSW 310.00 miFair81°F78°F91%1014.2 hPa
Hollywood, North Perry Airport, FL21 mi2.8 hrsN 010.00 miFair81°F77°F88%1014.4 hPa

Link to 5 minute data for KMIA

Wind History from MIA (wind in knots)
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Last 24hrS3CalmS5SW6SW6SW7W6CalmSW9SW6S5S6SE53SW7W3CalmCalmS3CalmCalmCalmCalmCalm
1 day agoS3S4S7S3S3W5SE3SE9SE5S3SE5S4S5S5S6S3S4CalmSW4S4SW4SW4Calm3
2 days agoN4N3Calm4NE3NE56N6E9N4NE5SE83S55CalmCalmCalmS3CalmCalmSE3S8Calm

Tide / Current Tables for Key Biscayne Yacht Club, Biscayne Bay, Florida
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Key Biscayne Yacht Club
Click for Map
Mon -- 12:23 AM EDT     0.57 feet Low Tide
Mon -- 02:42 AM EDT     Moonrise
Mon -- 05:55 AM EDT     2.06 feet High Tide
Mon -- 06:58 AM EDT     Sunrise
Mon -- 12:48 PM EDT     0.15 feet Low Tide
Mon -- 04:46 PM EDT     Moonset
Mon -- 06:50 PM EDT     2.22 feet High Tide
Mon -- 07:46 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.60.91.21.622.11.91.71.30.80.50.20.20.30.81.31.82.12.22.11.81.41

Tide / Current Tables for Miami Harbor Entrance, Florida Current
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Miami Harbor Entrance
Click for Map
Mon -- 12:27 AM EDT     0.00 knots Slack
Mon -- 02:42 AM EDT     Moonrise
Mon -- 02:46 AM EDT     1.47 knots Max Flood
Mon -- 06:27 AM EDT     -0.00 knots Slack
Mon -- 06:58 AM EDT     Sunrise
Mon -- 09:08 AM EDT     -1.30 knots Max Ebb
Mon -- 12:53 PM EDT     0.00 knots Slack
Mon -- 03:34 PM EDT     1.85 knots Max Flood
Mon -- 04:46 PM EDT     Moonset
Mon -- 07:24 PM EDT     -0.00 knots Slack
Mon -- 07:46 PM EDT     Sunset
Mon -- 10:23 PM EDT     -1.11 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.40.51.31.51.31.10.4-0.5-1.1-1.3-1.2-1.1-0.70.11.21.81.81.71.30.4-0.5-1-1.1-1.1

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Miami-South Florida, FL (5,6,7,8)
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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.