Friday, April10, 2020
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Marine Weather and Tides
Coral Gables, FL

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 7:01AMSunset 7:43PM Friday April 10, 2020 2:20 PM EDT (18:20 UTC) Moonrise 9:48PMMoonset 8:06AM Illumination 91% Phase: Waning Gibbous; Moon at 18 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- 830 Am Edt Fri Apr 10 2020
.small craft should exercise caution...
Rest of today..West northwest winds 10 to 15 knots with gusts to around 20 knots. Bay waters a moderate chop. Chance of showers in the morning. Slight chance of Thunderstorms.
Tonight..Northeast winds 5 to 10 knots. Bay waters a light chop. Slight chance of showers after midnight.
Saturday..East winds 5 to 10 knots. Bay waters a light chop. Slight chance of showers.
Saturday night..East southeast winds 10 to 15 knots with gusts to around 20 knots. Bay waters a moderate chop.
Sunday..Southeast winds around 15 knots with gusts to around 20 knots. Bay waters a moderate chop.
Sunday night..South southeast winds 15 to 20 knots. Bay waters choppy.
Monday..South winds 5 to 15 knots. Bay waters a moderate chop.
Monday night and Tuesday..Southeast winds 5 to 10 knots. Bay waters a light chop.
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- 830 Am Edt Fri Apr 10 2020
Synopsis.. Small craft should continue to exercise caution across the atlantic waters of south florida throughout the next couple days due to breezy conditions. A weak cold front is expected to push into the atlantic waters Friday into Friday night with some Thunderstorms possible Friday afternoon. Winds and seas will begin to increase early next week, potentially leading to hazardous marine conditions.
Gulf stream hazards..None the approximate location of the west wall of the gulf stream as of apr 09, 2020 at 1200 utc... 7 nautical miles southeast of fowey rocks. 13 nautical miles east southeast of port everglades. 13 nautical miles east northeast 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 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 101803 AFDMFL

Area Forecast Discussion National Weather Service Miami FL 203 PM EDT Fri Apr 10 2020

. AN ISOLATED STRONG STORM OR TWO POSSIBLE THIS AFTERNOON .

Short Term (tonight through Saturday night). Currently a cold front is moving southward through the Florida peninsula this afternoon. Along or just ahead of the front, VIS satellite has shown some CU development across central FL now moving a bit closer to our region. At this point, only isolated convection is expected across the Lake/Palm Beach County area and offshore. The 12z RAOB showed a fairly dry column above the surface so the more hearty updrafts may produce a solid downburst or two upon collapse.

Tonight, again the front drops southward and stalls. Although a dry night is expected, a few low clouds may be possible due to modest isentropic upglide. Saturday with closer proximity to the residual front along with assistance from both an Atlantic sea breeze and a gulf breeze, isolated to scattered showers and thunderstorms may again be possible across much of the interior during peak afternoon heating. As winds veer back around to the east, the usual easterly island/gulf stream induced showers may develop across the Atlantic waters late Saturday and early Sunday morning, but again nothing more than isolated coverage is anticipated at this time with most of the shower activity remaining offshore.

Long Term (Sunday through Thursday). The remnants of the boundary push east into the Atlantic on Sunday though the clockwise flow around high pressure to the east will keep an easterly to southeasterly flow across South Florida. With this will come a favoring of the east coast sea breeze and potential pinning of the Gulf sea breeze further to the west. Surface moisture will continue to advect into the area while decreasing sky cover will permit effective insolation that will allow temperatures to rise into the 90s over portions of inland Southwest Florida with mid to upper 80s elsewhere. This pattern will focus convection over northern portions of the forecast area such as the Lake Okeechobee region.

The next front approaches Florida late Sunday night, pushing across the panhandle and big bend by early Monday morning. Caribbean high pressure is forecast to hold over the southern part of the peninsula, keeping the frontal boundary from advancing southward as the parent low pressure area moves north and eastward into Canada. The lack of driving features will allow the stalled boundary to linger around Florida through the rest of the week. Rain chances will be increasing through the week with the potential for thunderstorms many of the days past midweek. Temperatures will continue to run on the warm side through the period. One note to watch is the potential for heavy rainfall with the stalled boundary and ample moisture in the region.

Marine. Cautionary headlines will continue for the Atlantic waters as winds increase behind a weak cold front. With the front, a stray shower or thunderstorm may be possible. Locally higher winds and seas can be expected with the strongest activity. Winds will begin to transition easterly with time and strengthen through the weekend. In fact, hazardous marine conditions are possible Sunday morning through the daytime on Monday before some improvement is expected.

Aviation. A mix of MVFR and VFR to start the cycle. This will continue off and on through the period, however, guidance is suggesting more MVFR for most sites later tonight and Saturday morning. Northwesterly winds will begin to veer northerly and eventually northeasterly with time but should remain largely below 15 knots.

Beach Forecast. An elevated risk of rip currents can be expected along the Atlantic beaches Saturday through early next week as a strong easterly flow sets up across south Florida.

Preliminary Point Temps/PoPs. West Palm Beach 69 79 73 86 / 10 20 10 10 Fort Lauderdale 73 81 75 85 / 20 20 10 10 Miami 72 83 75 86 / 10 20 10 10 Naples 68 86 71 89 / 0 20 10 0

MFL WATCHES/WARNINGS/ADVISORIES. FL . None. AM . None. GM . None.

Marine . 28/Frye Aviation . 28/Frye Beach Forecast . 28/Frye Short Term . 28/Frye Long Term . 02/RAG


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VAKF1 - 8723214 - Virginia Key, FL 5 mi51 min WSW 8.9 G 11 86°F 83°F1011.3 hPa
FWYF1 - Fowey Rocks, FL 8 mi81 min W 12 G 12 84°F 78°F1012 hPa (-0.6)
MDKF1 28 mi81 min 83°F
PEGF1 29 mi57 min W 11 G 16 89°F 1010.6 hPa
HCEF1 - Highway Creek, FL 31 mi81 min 84°F
MNBF1 32 mi81 min 85°F
THRF1 33 mi141 min 83°F
LSNF1 - Long Sound, FL 33 mi81 min 84°F
LBSF1 - Little Blackwater, FL 34 mi141 min 83°F
JBYF1 35 mi81 min 83°F
TCVF1 - Trout Cove, FL 36 mi141 min 83°F
BWSF1 - Blackwater Sound, FL 36 mi141 min 83°F
DKKF1 - Duck Key, FL 37 mi141 min 83°F
TRRF1 - Taylor River, FL 39 mi81 min 85°F
LMDF1 - Little Madeira, FL 41 mi81 min 84°F
CANF1 - Cane Patch, FL 42 mi81 min 84°F
BNKF1 - Butternut Key, FL 43 mi81 min 83°F
BDVF1 - Broad River, FL 43 mi81 min 84°F
NRRF1 44 mi81 min 84°F
TPEF1 - Tarpon Bay East, FL 44 mi141 min 83°F
WIWF1 - Willy Willy, FL 45 mi81 min 83°F
LRIF1 45 mi81 min 84°F
TBYF1 45 mi81 min 84°F
GBTF1 - Garfield Bight, FL 47 mi81 min 84°F
HREF1 48 mi81 min 81°F
GBIF1 - Gunboat Island, FL 48 mi81 min 82°F
WWEF1 49 mi141 min 83°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 mi28 minWSW 1010.00 miMostly Cloudy91°F69°F49%1010.9 hPa
Miami, Kendall-Tamiami Executive Airport, FL12 mi28 minWNW 1210.00 miFair94°F68°F43%1010.9 hPa
Homestead Air Reserve Base, FL16 mi25 minW 13 G 1610.00 miFair91°F66°F45%1010.8 hPa
Miami, Opa Locka Airport, FL17 mi28 minWNW 1210.00 miMostly Cloudy91°F70°F50%1011 hPa
Hollywood, North Perry Airport, FL23 mi28 minW 810.00 miA Few Clouds93°F68°F44%1011.1 hPa

Link to 5 minute data for KMIA

Wind History from MIA (wind in knots)
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SE11SE10SE8E6E9SE6E7SE5SE5SE3CalmCalmCalmCalmCalm3SW54W444

Tide / Current Tables for Key Biscayne Yacht Club, Biscayne Bay, Florida
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Key Biscayne Yacht Club
Click for Map
Fri -- 06:16 AM EDT     -0.27 feet Low Tide
Fri -- 07:02 AM EDT     Sunrise
Fri -- 09:06 AM EDT     Moonset
Fri -- 11:51 AM EDT     2.41 feet High Tide
Fri -- 06:34 PM EDT     -0.51 feet Low Tide
Fri -- 07:41 PM EDT     Sunset
Fri -- 10:48 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.62.31.81.10.5-0-0.3-0.20.311.72.32.42.21.71.10.4-0.1-0.5-0.5-0.10.61.42.1

Tide / Current Tables for Miami Harbor Entrance, Florida Current
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Miami Harbor Entrance
Click for Map
Fri -- 12:09 AM EDT     -0.00 knots Slack
Fri -- 03:28 AM EDT     -2.01 knots Max Ebb
Fri -- 06:15 AM EDT     0.01 knots Slack
Fri -- 07:02 AM EDT     Sunrise
Fri -- 09:03 AM EDT     2.31 knots Max Flood
Fri -- 09:05 AM EDT     Moonset
Fri -- 12:17 PM EDT     -0.00 knots Slack
Fri -- 03:32 PM EDT     -2.09 knots Max Ebb
Fri -- 06:33 PM EDT     0.00 knots Slack
Fri -- 07:41 PM EDT     Sunset
Fri -- 09:46 PM EDT     2.59 knots Max Flood
Fri -- 10:48 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.2-1-1.7-2-2-1.5-0.41.12.12.32.21.60.4-0.9-1.7-2.1-2.1-1.7-0.80.722.52.62.3

Weather Map
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wmap_A
GEOS Local Image of Southeast    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 (14,3,4,5)
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Ground Weather Radar Station Miami, FL
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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 numerous 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.