Saturday, October21, 2017 L-36.com


Marine Weather and Tides
Miami 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 7:21AMSunset 6:48PM Saturday October 21, 2017 11:41 AM EDT (15:41 UTC) Moonrise 7:54AMMoonset 7:22PM Illumination 2% Phase: Waxing Crescent; Moon at 1 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- 1024 Am Edt Sat Oct 21 2017
.small craft advisory in effect through late tonight...
Rest of today..East winds 20 to 25 knots. Seas 5 to 7 feet with occasional seas to 9 feet. Period 6 seconds. Intracoastal waters rough in exposed areas. Scattered showers with isolated Thunderstorms.
Tonight..East southeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Period 5 seconds. Intracoastal waters choppy in exposed areas. Isolated Thunderstorms late in the evening. Scattered showers through the night.
Sunday..East southeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Period 6 seconds. Intracoastal waters choppy in exposed areas. A chance of showers and a slight chance of Thunderstorms in the morning. A slight chance of showers.
Sunday night..East southeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Period 5 seconds. Intracoastal waters choppy in exposed areas. A chance of showers and a slight chance of Thunderstorms.
Monday..East southeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Intracoastal waters choppy in exposed areas. A slight chance of showers in the morning...then a chance of showers and a slight chance of Thunderstorms.
Monday night..South southeast winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Tuesday..South southwest winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Tuesday night..West northwest winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. Showers likely and a chance of Thunderstorms.
Wednesday..North northwest winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Intracoastal waters a light chop. Showers likely and a chance of 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- 1024 Am Edt Sat Oct 21 2017
Synopsis..Pressure gradient between a decaying front over the region and high pressure over the southeastern united states will bring east wind of 20 to 25 knots and seas of 5 to 7 feet for much of the waters through the weekend.
Gulf stream hazards..6 to 8 feet seas through the weekend. The approximate location of the west wall of the gulf stream as of oct 19, 2017 at 1200 utc... 7 nautical miles southeast of fowey rocks. 9 nautical miles southeast of port everglades. 8 nautical miles northeast of lake worth. 6 nautical miles east of jupiter inlet. This data courtesy of the naval oceanographic office.

7 Day Forecast for Marine Location Near Miami Beach, FL
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location: 25.79, -80.16     debug


Area Discussion for - Miami-South Florida, FL
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Fxus62 kmfl 211435
afdmfl
area forecast discussion
national weather service miami fl
1035 am edt Sat oct 21 2017

Update
Winds have increased as expected today, and quite breezy
conditions will be realized through the weekend. Scattered showers
continue to stream inland from the atlantic, and rain chances have
been adjusted to better coincide with broken bands of activity
this morning, particularly over far northern miami-dade county.

Temperatures continue to be above normal, and miami is on pace to
tie a record warm minimum temperature for the date.

Prev discussion issued 826 am edt Sat oct 21 2017
aviation...

scattered showers will continue through the TAF period across all
eastern terminals, bringing brief MVFR conditions at times,
otherwiseVFR will prevail. East winds of 10 to 15 kt this morning
will become quite gusty during the afternoon... Reaching 25 kt at
times, then diminish to around 10 kt tonight.

Prev discussion... Issued 359 am edt Sat oct 21 2017

High risk of rip currents along the atlantic beaches
Discussion...

easterly flow will continue over the region as the remnants of the
frontal boundary draped over the bahamas and cuba give way to high
pressure building over the southeastern united states. A surge of
moisture from the tropicals will round the ridge and push across
southern florida, the florida straits, and cuba today into Sunday,
with a warm front developing as the moisture surges northward. This
pattern will promote intermittent atlantic showers that push ashore
and increasing cloud cover.

As the next work week kicks off, a frontal system associated with a
low in canada will be pushing across the great lakes and lower
mississippi valley. As this system pushes eastward, the cutoff
mid-level low could develop over the interstate 20 corridor. The
potential for a line of storms pushing across the gulf exists and
the progress of this system will need to be monitored as it could
signal the first chances of significant thunderstorm activity
across the region in the last few weeks. It is still too early to
pinpoint potential impacts from this system's convection across
the area. The 00z GFS and 00z ECMWF are both depicting a broken
line of convection pushing across the region Tuesday into
Wednesday.

In the wake of the front, cooler and drier air begin to filter
their way into the peninsula of florida. With this change in
airmass will come our first taste of the dry season and
temperatures will struggle to reach into the 80s on Wednesday and
Thursday with temperatures dropping into the 50s and 60s across
much of the area on Wednesday night Thursday morning. High
pressure will quickly build behind the front, but its position
over the bahamas could potentially allow moisture to return at
the end of the period allowing an increase in temperatures and
rain chances to close out the extended forecast period late in the
week.

Marine...

small craft advisory conditions will prevail over much of the
coastal waters through the weekend as ene winds become stronger,
with the potential for a small window for improvement to
cautionary conditions on Sunday during the day before winds
increase Sunday night. Conditions should improve early next week
as wind speeds gradually decrease.

Beach forecast...

persistent easterly flow will allow the high risk of rip currents
to persist through the weekend into early parts of the work week.

The flooding along the east coast during high tide should begin to
decrease over the next several cycles as the new moon phase ends.

Preliminary point temps pops
West palm beach 86 78 89 78 40 40 50 30
fort lauderdale 87 79 88 80 50 50 30 30
miami 87 79 88 79 50 40 30 30
naples 90 75 91 76 30 10 30 20

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

Coastal flood advisory until 8 pm edt this evening for flz168.

Am... Small craft advisory until 6 am edt Sunday for amz650-651-670-
671.

Gm... Small craft advisory until 6 am edt Sunday for gmz676.

Update... 23 sk
discussion... 02 rag
marine... 02 rag
aviation... 23 sk
beach forecast... 02 rag


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VAKF1 - 8723214 - Virginia Key, FL 4 mi42 min NE 14 G 17 82°F 83°F1018 hPa (+1.8)
FWYF1 - Fowey Rocks, FL 14 mi42 min ENE 28 G 30 82°F 83°F1018.5 hPa (+1.7)
PVGF1 - Port Everglades Channel, FL 21 mi42 min ENE 19 G 24 82°F 1018.5 hPa (+1.9)74°F
HCEF1 - Highway Creek, FL 40 mi162 min 81°F
LSNF1 - Long Sound, FL 41 mi102 min 82°F
LBSF1 - Little Blackwater, FL 42 mi162 min 82°F
BWSF1 - Blackwater Sound, FL 45 mi162 min 83°F
DKKF1 - Duck Key, FL 46 mi162 min 81°F
TRRF1 - Taylor River, FL 47 mi102 min 82°F
WIWF1 - Willy Willy, FL 49 mi102 min 81°F
CANF1 - Cane Patch, FL 49 mi162 min 83°F
LMDF1 - Little Madeira, FL 49 mi102 min 82°F
BDVF1 - Broad River, FL 49 mi102 min 82°F

Wind History for Virginia Key, FL
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NE11
G15
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G25
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NE6
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G6
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Miami, Miami International Airport, FL7 mi49 minENE 14 G 2210.00 miOvercast84°F75°F74%1018.5 hPa
Miami, Opa Locka Airport, FL10 mi49 minESE 15 G 212.00 miLight Rain78°F75°F93%1018.9 hPa
Hollywood, North Perry Airport, FL15 mi49 minENE 14 G 2510.00 miOvercast84°F73°F70%1018.9 hPa
Miami, Kendall-Tamiami Executive Airport, FL17 mi49 minE 19 G 2610.00 miMostly Cloudy and Breezy83°F73°F72%1017.9 hPa
Fort Lauderdale/Hollywood International Airport, FL19 mi49 minENE 15 G 2110.00 miOvercast82°F75°F82%1018.1 hPa
Homestead Air Reserve Base, FL24 mi44 minENE 16 G 2110.00 miPartly Cloudy84°F78°F83%1018.2 hPa

Wind History from MIA (wind in knots)
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Last 24hrNE12E12E14
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1 day agoE9E9E10E9NE9NE8E10
G17
NE8N4N6NE5NE8NE5NE6NE8NE3NE4NE5CalmNE3N5NE5NE11NE9
2 days agoNE7N5E7N6NE6NE7NE7NE7NE7NE6NE4CalmN5N4N3NW33N4CalmN4N4N4NE4E7

Tide / Current Tables for San Marino Island, Florida
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San Marino Island
Click for Map
Sat -- 04:43 AM EDT     0.29 feet Low Tide
Sat -- 07:22 AM EDT     Sunrise
Sat -- 08:53 AM EDT     Moonrise
Sat -- 11:00 AM EDT     2.91 feet High Tide
Sat -- 05:09 PM EDT     0.59 feet Low Tide
Sat -- 06:47 PM EDT     Sunset
Sat -- 08:22 PM EDT     Moonset
Sat -- 11:06 PM EDT     2.73 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.51.91.30.70.40.30.61.11.72.32.72.92.82.31.81.20.80.60.71.11.62.12.62.7

Tide / Current Tables for Miami Harbor Entrance, Florida Current
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Miami Harbor Entrance
Click for Map
Sat -- 02:44 AM EDT     -1.68 knots Max Ebb
Sat -- 05:11 AM EDT     0.00 knots Slack
Sat -- 07:22 AM EDT     Sunrise
Sat -- 08:31 AM EDT     2.20 knots Max Flood
Sat -- 08:53 AM EDT     Moonrise
Sat -- 11:31 AM EDT     -0.00 knots Slack
Sat -- 03:14 PM EDT     -1.58 knots Max Ebb
Sat -- 05:37 PM EDT     0.00 knots Slack
Sat -- 06:47 PM EDT     Sunset
Sat -- 08:18 PM EDT     1.86 knots Max Flood
Sat -- 08:22 PM EDT     Moonset
Sat -- 11:37 PM EDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.9-1.4-1.6-1.7-1.3-0.31.11.92.22.21.70.6-0.5-1.1-1.4-1.6-1.5-0.80.51.51.91.81.60.7

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 (11,2,3,4)
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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.