Tuesday, January16, 2018 L-36.com


Marine Weather and Tides
Miami, 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 7:07AMSunset 5:54PM Tuesday January 16, 2018 1:55 PM EST (18:55 UTC) Moonrise 6:42AMMoonset 5:43PM Illumination 0% Phase: New Moon; Moon at 29 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- 1009 Am Est Tue Jan 16 2018
.small craft advisory in effect until 7 pm est this evening...
Rest of today..Northeast winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas to 8 feet along the coast and 6 to 8 feet with occasional to 10 feet in the gulf stream. Period 8 seconds. Intracoastal waters choppy in exposed areas.
Tonight..North northeast winds 10 to 15 knots along the coast to north northeast 15 to 20 knots in the gulf stream. Seas 2 to 4 feet with occasional seas to 5 feet along the coast and 4 to 6 feet with occasional to 8 feet in the gulf stream. Period 6 seconds. Intracoastal waters a moderate chop. A slight chance of showers.
Wednesday..North winds 10 to 15 knots along the coast to north 15 to 20 knots in the gulf stream. Seas 2 to 3 feet along the coast and 4 to 6 feet with occasional to 8 feet in the gulf stream. Period 6 seconds. Intracoastal waters a moderate chop. A slight chance of showers.
Wednesday night..North winds 15 to 20 knots along the coast to north 20 to 25 knots in the gulf stream. Along the coast, seas 3 to 5 feet with occasional seas to 6 feet. In the gulf stream, seas 5 to 7 feet with occasional seas to 9 feet building to 7 to 9 feet with occasional seas to 11 feet after midnight. Period 6 seconds. Intracoastal waters a moderate chop.
Thursday..North northeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas to 6 feet along the coast and 6 to 8 feet with occasional to 10 feet in the gulf stream. Intracoastal waters choppy in exposed areas.
Thursday night..Northeast winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas to 5 feet along the coast and 5 to 7 feet with occasional to 9 feet in the gulf stream. Intracoastal waters a moderate chop.
Friday..East northeast winds around 10 knots. Seas 2 to 3 feet along the coast and 3 to 5 feet with occasional to 6 feet in the gulf stream. Intracoastal waters a light chop.
Friday night..East northeast winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Intracoastal waters a moderate chop.
Saturday..East winds 10 to 15 knots along the coast to east 15 to 20 knots in the gulf stream. Seas 2 to 4 feet with occasional seas to 5 feet. Intracoastal waters choppy in exposed areas. 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- 1009 Am Est Tue Jan 16 2018
Synopsis..Northeast winds will continue today, generally 15 to 20 kt with occasional gusts to 25 kt. Thus, hazardous boating conditions will ensue, esepcailly over the atlantic waters near the gulf stream. However, winds will weaken slightly by late afternoon. Hazardous conditions are expected over all the waters again for the latter half of the week as winds and seas increase behind another front Wednesday afternoon and night.
Gulf stream hazards..Northeast winds around 20 kt. Seas 8 to 9 feet diminishing to 6 to 7 feet later this afternoon. The approximate location of the west wall of the gulf stream as of jan 15, 2018 at 1200 utc... 10 nautical miles east of fowey rocks. 13 nautical miles east southeast of port everglades. 6 nautical miles east of lake worth. 12 nautical miles east southeast of jupiter inlet. This data courtesy of the naval oceanographic office.

7 Day Forecast for Marine Location Near Miami, FL
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location: 25.78, -80.19     debug


Area Discussion for - Miami-South Florida, FL
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Fxus62 kmfl 161747
afdmfl
area forecast discussion
national weather service miami fl
1247 pm est Tue jan 16 2018

Aviation
Northeasterly flow expected to turn northwesterly overnight.

Increasing cloud cover possible on Wednesday ahead of the front.

Showers should remain along the atlantic coast but impacts to the
east coast terminals are currently too limited to include in this
issuance.

Prev discussion issued 1049 am est Tue jan 16 2018
update...

quiet morning weather-wise across south florida. Temperatures have
warmed into the 60s and 70s with the forecast for this afternoon
on track. No additional updates are anticipated. Have a wonderful
Tuesday!
prev discussion... Issued 425 am est Tue jan 16 2018
discussion...

latest wpc surface analysis depicts a 1033 mb high settled over
the mid-atlantic. Clockwise flow around this feature has been
responsible for the breezy north northeasterly winds experienced
this morning. Along the immediate east coast, winds have remained
sustained 10 to 20 mph with occasional higher gusts. This flow
pattern has allowed for a slightly deeper low level moisture
content and more mixing than 24-hours, keep minimums in upper 40s
west of lake okeechobee and lower 60s along the east coast metro
region. By this afternoon, north northeast flow will advect in
relatively dry air over the peninsula from the atlantic with the
06z GFS only showing between 0.50"-0.75" pwats. Thus,
precipitation chances remain very low. On Wednesday, a deep trough
of low pressure will begin to push eastward over the
appalachians. Mid range models prog an associated cold front,
draped southward from the center of this low pressure system, to
swiftly approach florida. This front will be mainly dry, with
tropical moisture sill located too far south of our region. As
this feature crosses south florida, winds will once again become
more northerly. Maximum temperatures this afternoon and Wednesday
afternoon are forecast in the low to mid 70s, a couple degrees
lower than seasonal norms.

Wednesday night through Friday: after the passage of the front
late Wednesday, northerly winds will advect a dry and cool airmass
southward across our cwa. Good radiational cooling should allow
temperatures to fall into the mid 30s west of lake okeechobee, low
40s for the rest of the interior, and low 50s along the east
coast metro region. Northerly flow will continue through the day
Thursday, keeping temperatures from rising above the mid 60s,
some 10 to 15 degrees below seasonal norms. By Friday, lower
level flow will veer to the northeast. Northeast flow typically
acts to moderate temperatures and increase moisture.

This weekend: both the GFS and ECMWF prog high pressure to slide
eastward over the atlantic, acting to veer winds easterly across
south florida. Shall this scenario play out, deeper moisture would
be allowed to slowly creep into our CWA and increase
precipitation chances. However, nearly a week out, confidence of
this particular pattern occurring is still only low to moderate.

Marine...

northeast winds will continue today, generally 15 to
20 kt with occasional gusts to 25 kt. Thus, hazardous boating
conditions will ensue, esepcailly over the atlantic waters near
the gulf stream. However, these winds will weaken slightly by
late afternoon. Hazardous conditions are expected over all the
waters again for the latter half of the week as winds and seas
increase behind another front Wednesday afternoon and night.

Beach forecast...

through this afternoon, gusty northeasterly winds will bring a
high rip current risk along the atlantic beaches. Winds become
more northerly on Wednesday, possibly lowering the risk back down
to moderate.

Preliminary point temps pops
West palm beach 58 71 49 63 10 10 10 10
fort lauderdale 59 73 49 65 10 10 10 10
miami 61 75 52 66 10 10 10 0
naples 53 68 41 63 0 0 0 0

Mfl watches warnings advisories
Fl... High rip current risk until 7 pm est this evening for flz168-172-
173.

Am... Small craft advisory until 7 pm est this evening for amz650-651-
670-671.

Gm... None.

Aviation... 02 rag


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VAKF1 - 8723214 - Virginia Key, FL 4 mi44 min NNE 8.9 G 16 71°F 70°F1023.5 hPa
FWYF1 - Fowey Rocks, FL 14 mi56 min NNE 21 G 22 69°F 73°F1024.5 hPa (-1.9)
PVGF1 - Port Everglades Channel, FL 22 mi32 min NE 8 G 18 71°F 1024.1 hPa53°F
HCEF1 - Highway Creek, FL 39 mi116 min 67°F
LSNF1 - Long Sound, FL 40 mi56 min 67°F
LBSF1 - Little Blackwater, FL 41 mi116 min 67°F
TCVF1 - Trout Cove, FL 43 mi116 min 66°F
DKKF1 - Duck Key, FL 44 mi116 min 65°F
BWSF1 - Blackwater Sound, FL 44 mi116 min 67°F
TRRF1 - Taylor River, FL 46 mi56 min 67°F
WIWF1 - Willy Willy, FL 47 mi56 min 65°F
BDVF1 - Broad River, FL 47 mi56 min 66°F
CANF1 - Cane Patch, FL 47 mi116 min 66°F
LMDF1 - Little Madeira, FL 48 mi56 min 67°F
TPEF1 - Tarpon Bay East, FL 48 mi116 min 66°F
NRRF1 49 mi56 min 66°F

Wind History for Virginia Key, FL
(wind in knots)    EDIT      (on/off)   Help
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N5
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Miami, Miami International Airport, FL6 mi63 minNNE 910.00 miPartly Cloudy75°F55°F50%1024.2 hPa
Miami, Opa Locka Airport, FL10 mi63 minNE 1410.00 miFair74°F53°F48%1024.6 hPa
Hollywood, North Perry Airport, FL15 mi63 minNE 12 G 2010.00 miPartly Cloudy0°F0°F%1024.8 hPa
Miami, Kendall-Tamiami Executive Airport, FL16 mi63 minNE 1110.00 miMostly Cloudy74°F52°F46%1023.9 hPa
Fort Lauderdale/Hollywood International Airport, FL20 mi63 minNE 1310.00 miA Few Clouds71°F57°F61%1024.2 hPa
Homestead Air Reserve Base, FL23 mi60 minNE 1610.00 miFair74°F59°F61%1023.7 hPa

Wind History from MIA (wind in knots)
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Last 24hrN6
G16
N8
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NE12
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G22
NE7N6N6N5N6N6N4NE11NE9N5NE6NW4NW5N4NW44NE6NE8NE10
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1 day agoN7N7NE8N10
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2 days agoW65NW7NW5NW6N9N9
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NW76NW9
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G17
N8N8N8
G14

Tide / Current Tables for Miami, Marina, Biscayne Bay, Florida
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Miami
Click for Map
Tue -- 02:19 AM EST     -0.22 feet Low Tide
Tue -- 06:41 AM EST     Moonrise
Tue -- 07:08 AM EST     Sunrise
Tue -- 08:32 AM EST     2.14 feet High Tide
Tue -- 02:45 PM EST     0.09 feet Low Tide
Tue -- 05:43 PM EST     Moonset
Tue -- 05:52 PM EST     Sunset
Tue -- 08:36 PM EST     1.99 feet High Tide
Tue -- 09:18 PM EST     New Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.4-0-0.2-0.10.20.71.31.82.12.11.91.40.90.40.20.10.30.71.21.61.921.71.3

Tide / Current Tables for Miami Harbor Entrance, Florida Current
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Miami Harbor Entrance
Click for Map
Tue -- 12:48 AM EST     -1.40 knots Max Ebb
Tue -- 02:55 AM EST     0.00 knots Slack
Tue -- 06:36 AM EST     1.98 knots Max Flood
Tue -- 06:41 AM EST     Moonrise
Tue -- 07:08 AM EST     Sunrise
Tue -- 09:21 AM EST     -0.00 knots Slack
Tue -- 01:19 PM EST     -1.34 knots Max Ebb
Tue -- 03:24 PM EST     0.00 knots Slack
Tue -- 05:42 PM EST     Moonset
Tue -- 05:52 PM EST     Sunset
Tue -- 06:45 PM EST     1.61 knots Max Flood
Tue -- 09:18 PM EST     New Moon
Tue -- 09:19 PM EST     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-1.3-1.4-10.11.21.71.91.91.30.3-0.4-0.8-1.1-1.3-1.2-0.50.71.41.61.61.20.3-0.6-1

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 (13,3,4,5)
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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.