Tuesday, November21, 2017 L-36.com


Marine Weather and Tides
Delray Beach, FL

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 6:43AMSunset 5:29PM Tuesday November 21, 2017 5:20 AM EST (10:20 UTC) Moonrise 9:14AMMoonset 8:11PM Illumination 8% Phase: Waxing Crescent; Moon at 3 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- 341 Am Est Tue Nov 21 2017
.small craft should exercise caution...
Today..Southeast winds 10 to 15 knots along the coast to southeast 15 to 20 knots in the gulf stream. Seas 4 to 6 feet with occasional seas to 8 feet. Period 7 seconds. Intracoastal waters choppy in exposed areas. A chance of showers and a slight chance of Thunderstorms.
Tonight..Along the coast, south southeast winds 5 to 10 knots becoming southwest after midnight. In the gulf stream, south winds 5 to 10 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Period 7 seconds. Intracoastal waters a light chop. A slight chance of Thunderstorms in the evening. A chance of showers through the night.
Wednesday..East northeast winds 5 to 10 knots. Seas 2 to 3 feet. Period 7 seconds. Intracoastal waters a light chop. A slight chance of showers in the afternoon.
Wednesday night..East southeast winds around 10 knots. Seas 2 to 3 feet. Period 6 seconds. Intracoastal waters a light chop. A chance of showers in the evening. A slight chance of Thunderstorms through the night. A slight chance of showers after midnight.
Thursday..South southwest winds 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Thursday night..West winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. Showers likely and a chance of Thunderstorms.
Friday..West winds 5 to 10 knots becoming southwest in the afternoon. Seas 2 to 3 feet. Intracoastal waters a light chop. Showers likely and a chance of Thunderstorms.
Friday night..West northwest winds around 5 knots along the coast to west 5 to 10 knots in the gulf stream. Seas around 2 feet along the coast and 2 to 4 feet with occasional to 5 feet in the gulf stream. Intracoastal waters a light chop. Showers likely and a chance of Thunderstorms.
Saturday..Northwest winds 5 to 10 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Intracoastal waters a light chop. A slight chance of showers.
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- 341 Am Est Tue Nov 21 2017
Synopsis.. A retreating boundary and approaching gulf disturbances will create increased shower and Thunderstorm chances today. A potentially drier day on Wednesday before a stormy thanksgiving day and Friday. The cold front exits the region bringing increasing wind and building seas behind it for the weekend.
Gulf stream hazards..Occasional seas to 7 or 8 feet this morning. The approximate location of the west wall of the gulf stream as of nov 18, 2017 at 1200 utc... 5 nautical miles east northeast of fowey rocks. 23 nautical miles southeast of port everglades. 13 nautical miles east southeast of lake worth. 12 nautical miles east of jupiter inlet. This data courtesy of the naval oceanographic office.

7 Day Forecast for Marine Location Near Delray Beach, FL
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location: 26.45, -80.07     debug


Area Discussion for - Miami-South Florida, FL
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Fxus62 kmfl 210746
afdmfl
area forecast discussion
national weather service miami fl
246 am est Tue nov 21 2017

Discussion
A retreating frontal boundary is acting as a convective focus area
this morning. Radar has indicated rainfall amounts over 1 inch
over portions of the east coast metro overnight as the front
pushes northward across the area. Over the gulf of mexico, the
amplifying mid-level trough shifts eastward with associated clouds
and convection. Closer to home over the southeast gulf of mexico,
an area of convection associated with a shortwave trough is
pushing closer to florida. Between the frontal boundary in the
region and this shortwave trough, expected an increase in
convection today compared to previous days. Slightly warmer
temperatures and additional cloud cover are also expected today.

Some of the convection today is capable of producing gusty wind
and heavy rain.

As the shortwave trough moves away tonight, rain chances will
decrease overnight into Wednesday morning. Another shortwave
trough will push into the region on Wednesday, once again bringing
an increase in convection over florida. Some guidance is hinting
that there might be a slot of drier air over southern florida on
Wednesday, which might help limit convection to later in the day.

As the frontal boundary emerges and the mid-level trough pushes
closer, a surface low may develop over the northeastern gulf by
thanksgiving day. Rain and thunderstorm mentions remain in the
forecast for thanksgiving day and Friday as the boundary remains
over the region. Finally, the mid-level trough should swing
through late Friday into early Saturday allowing for drier and
slightly cooler air to come in for the weekend. A reinforcement of
the drier, cooler air should arrive late in the weekend leading
to a chillier start to the next work week.

Marine
Conditions over the atlantic waters are expected to improve today,
though small craft will need to exercise caution until winds and
seas diminish. Showers and thunderstorms will be possible over the
coming day and nights before a cold front clears through the area
this weekend bringing increasing winds and potentially hazardous
seas in its wake.

Beach forecast
The high risk of rip currents along the atlantic beaches is
expected to last another day as the onshore flow shifts
southeasterly. As the wind decreases, the rip current risk on the
atlantic beaches should diminish over the next couple of days.

Prev discussion issued 148 am est Tue nov 21 2017
aviation...

shra with moderate to heavy rain will continue to develop
through the night and affect the east coast terminals. The
frontal boundary will gradually move north tonight shifting
the line of showers further north into opf and fll. Expect
brief period of low vis to ifr levels with gusty winds up to
30 knots. Light southerly flow will prevail during the day
with continuing the chance of convection coming onshore from
the atlantic.

Preliminary point temps pops
West palm beach 82 67 83 70 60 40 20 40
fort lauderdale 83 70 83 71 50 30 20 30
miami 84 71 85 72 40 30 20 30
naples 84 67 83 69 40 30 20 20

Mfl watches warnings advisories
Fl... High rip current risk through this evening for flz168-172-173.

Am... Small craft advisory until 7 am est this morning for amz650-651-
670-671.

Gm... None.

Discussion... 02 rag
marine... 02 rag
aviation... 67 mt
beach forecast... 02 rag


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LKWF1 - 8722670 - Lake Worth, FL 11 mi51 min E 23 G 27 76°F 78°F1015.8 hPa67°F
PVGF1 - Port Everglades Channel, FL 25 mi39 min SE 7 G 9.9 75°F 1014.2 hPa70°F
VAKF1 - 8723214 - Virginia Key, FL 50 mi51 min E 7 G 8.9 76°F 78°F1013.7 hPa

Wind History for Lake Worth Pier, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Pompano Beach, Pompano Beach Airpark, FL14 mi28 minE 15 G 251.50 miThunderstorm in Vicinity Heavy Rain Fog/Mist70°F70°F100%1015 hPa
West Palm Beach - Palm Beach International Airport, FL16 mi28 minE 15 G 206.00 miLight Rain76°F66°F72%1014.9 hPa
Fort Lauderdale, Fort Lauderdale Executive Airport, FL18 mi28 minENE 910.00 miOvercast70°F70°F100%1015.1 hPa

Wind History from BCT (wind in knots)
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Last 24hr--------------N7NE10NE16
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NE16E14NE12NE13
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1 day ago--------------NW4CalmW5W5W8NW7W9NW9W8W5
G15
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W5CalmCalm----Calm
2 days ago--------------CalmCalmCalmCalmE10E7SE10E7NE9E6E6NE4N3CalmCalmCalmCalm

Tide / Current Tables for South Delray Beach, ICWW, Florida
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South Delray Beach
Click for Map
Tue -- 05:26 AM EST     0.42 feet Low Tide
Tue -- 06:43 AM EST     Sunrise
Tue -- 09:13 AM EST     Moonrise
Tue -- 11:31 AM EST     3.09 feet High Tide
Tue -- 05:28 PM EST     Sunset
Tue -- 05:58 PM EST     0.87 feet Low Tide
Tue -- 08:10 PM EST     Moonset
Tue -- 11:32 PM EST     2.79 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.72.31.81.20.70.40.50.81.42.12.733.12.82.41.81.310.911.422.42.7

Tide / Current Tables for Lake Wyman, ICWW, Florida
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Lake Wyman
Click for Map
Tue -- 05:16 AM EST     0.42 feet Low Tide
Tue -- 06:43 AM EST     Sunrise
Tue -- 09:13 AM EST     Moonrise
Tue -- 11:27 AM EST     2.81 feet High Tide
Tue -- 05:28 PM EST     Sunset
Tue -- 05:48 PM EST     0.87 feet Low Tide
Tue -- 08:11 PM EST     Moonset
Tue -- 11:28 PM EST     2.54 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.52.11.610.60.40.50.81.422.52.82.82.52.11.61.20.90.911.41.92.32.5

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Southeast    EDIT
Geos

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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weather_mapweather_map weather_map

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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.