Friday, April3, 2020
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Marine Weather and Tides
Miami Beach, 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 7:07AMSunset 7:39PM Friday April 3, 2020 2:09 PM EDT (18:09 UTC) Moonrise 2:02PMMoonset 2:58AM Illumination 81% Phase: Waxing Gibbous; Moon at 11 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- 911 Am Edt Fri Apr 3 2020
Rest of today..East winds 5 to 10 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Period 10 seconds. Intracoastal waters a light chop.
Tonight..Northeast winds 10 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Period 10 seconds. Intracoastal waters a light chop.
Saturday..Northeast winds 5 knots becoming east southeast. Seas 2 to 3 feet. Period 9 seconds. Intracoastal waters a light chop.
Saturday night..East southeast winds 5 to 10 knots. Seas 2 to 3 feet. Period 8 seconds. Intracoastal waters a light chop.
Sunday..East southeast winds 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters a light chop.
Sunday night..East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Intracoastal waters a moderate chop.
Monday..East winds around 10 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Intracoastal waters a light chop.
Monday night..East southeast winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Intracoastal waters a moderate chop.
Tuesday..Southeast winds 5 to 10 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Intracoastal 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- 911 Am Edt Fri Apr 3 2020
Synopsis..A deep low pressure system located off the new england coast is generating large northeasterly swells that have brought hazardous seas to the atlantic waters of palm beach county. The low pressure system will continue to generate swells bringing hazardous seas to the atlantic waters of south florida again late this weekend into early next week.
Gulf stream hazards..SEas will be 6 to 10 feet across the palm beach county waters due to large northeasterly swell. The approximate location of the west wall of the gulf stream as of apr 02, 2020 at 1200 utc... 17 nautical miles southeast of fowey rocks. 18 nautical miles east southeast of port everglades. 13 nautical miles east southeast of lake worth. 15 nautical miles east southeast 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 031735 AFDMFL

Area Forecast Discussion National Weather Service Miami FL 135 PM EDT Fri Apr 3 2020

Aviation (18Z TAFS).

VFR. E-ESE winds around 7-10 kt this afternoon at the eastern terminals. At APF expect a more SWly direction as the Gulf Breeze pushes inland this afternoon. A similar weather pattern should prevail for tonight into Saturday.

Prev Discussion. /issued 950 AM EDT Fri Apr 3 2020/

Update .

Surface high pressure extending from the Ohio Valley equatorward into the northwest Caribbean Sea will provide for quiet weather across South Florida today. A very dry airmass will persist, with elevated fire danger expected for interior areas today as minimum relative humidity values drop into the 30s. A strong surface cyclone maturing off the New England coast will generate large northeasterly swell across the Atlantic waters today, with periods of enhanced swell likely persisting into early next week. This will bring hazardous marine and beach conditions for the east coast and Atlantic waters, especially for small craft.

Given the arriving swell, model forecast rip current probabilities, and renewed push for additional swell into early next week, extended the high rip current risk for the Palm Beaches through this weekend.

Prev Discussion . /issued 714 AM EDT Fri Apr 3 2020/

Aviation (12Z TAFS) .

VFR. Light and variable winds this morning will shift E-SE around 7-10 kt this afternoon at the eastern terminals. At APF expect a more SWly direction around 17z as the Gulf Breeze pushes inland. A similar weather pattern should prevail for tonight into Saturday.

Prev Discussion . /issued 405 AM EDT Fri Apr 3 2020/

Short Term (Friday through Sunday Morning ) .

A deep low pressure system situated off the the New England coast has generated large northeasterly swell that has created hazardous marine and beach conditions across the waters of Palm Beach County. A Small Craft Advisory and High Risk of Rip Currents remain in effect due to these conditions (see Marine and Beach Discussions below for more details).

South Florida will be under the influence of a mid-level ridge of high pressure situated across the eastern CONUS through this weekend. The modified polar air mass in place across South Florida will be characterized by stable thermodynamic profiles -- featuring warm and dry mid and upper-levels. These stable thermodynamic conditions should suppress the development of any notable convection across the region though this weekend. Prevailing easterly surface flow will maintain adequate boundary layer moisture across the area that will support the development of shallow cumulus fields each afternoon which may be focused along coastal sea breeze boundaries.

Temperatures will be near average through the weekend, with maximum temperatures reaching the upper 70s to lower 80s across the Atlantic coast and mid to upper 80s across the interior and Gulf Coast of South Florida.

Long Term (Sunday through Thursday) .

Warm and mostly dry conditions are forecast through the long term with only a slight chance for rain on Sunday as a weak shortwave crosses the northern Gulf and FL Peninsula. Easterly surface flow Sunday into Monday is expected to gradually become SW to even W Wednesday into Thursday as surface high pressure originally sliding southward along the CONUS east coast ends up situated to the south of us over Cuba/Bahamas. This will cause high temperatures Wednesday and Thursday to climb into the mid/upper 80s to low 90s across the area.

Around midweek rain chances increase to the north of our area across much of the southeast US as the models struggle to resolve some very broad troughing well ahead of a cold front pushing across the Ohio River Valley. Rain chances should remain to our north as the cold front stalls out across North Florida late in the week.

Marine . A Small Craft Advisory remains in effect for the Atlantic waters of Palm Beach County due to large northeasterly swells generated by a deep low pressure system located off the New England coast. Seas in the Gulf Stream will be as high as 6 to 9 feet today. While there may be a temporary break in large swells on Saturday, an additional round of large swells is expected again late this weekend into early next week.

Beach Forecast . The large northeasterly swells have lead to a High Risk of Rip Currents for the Palm Beaches today, with a Moderate Risk for the beaches of Broward and Miami-Dade Counties. Surf conditions will become increasingly rough along the Palm Beach County coast today and will have to be monitored for High Surf Advisory criteria. An elevated rip current risk may continue through at least this weekend.

Fire Weather . High pressure will continue to bring relatively dry conditions to South Florida over the next several days. Minimum relative humidity values will be near 35 percent across inland South Florida this afternoon, while wind speeds should remain below 10 mph across most of South Florida.

Preliminary Point Temps/PoPs. West Palm Beach 66 84 68 81 / 0 10 10 30 Fort Lauderdale 72 82 71 81 / 0 10 10 20 Miami 71 84 69 82 / 0 10 10 20 Naples 66 83 67 84 / 0 0 0 10

MFL WATCHES/WARNINGS/ADVISORIES. FL . High Rip Current Risk through Sunday evening for FLZ168.

AM . Small Craft Advisory until 2 AM EDT Saturday for AMZ650-670.

GM . None.

Marine . 18/Weinman Aviation/Update . 34/SPM Beach Forecast . 18/Weinman Fire Weather . 18/Weinman Short Term . 18/Weinman Long Term . 32/MM


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VAKF1 - 8723214 - Virginia Key, FL 4 mi51 min ENE 7 G 8.9 76°F 81°F1015.7 hPa
FWYF1 - Fowey Rocks, FL 14 mi69 min E 6 G 7 74°F 77°F1016 hPa (-0.4)
PEGF1 21 mi57 min E 8.9 G 12 77°F 1015.1 hPa
MDKF1 37 mi69 min 79°F
HCEF1 - Highway Creek, FL 40 mi69 min 79°F
LSNF1 - Long Sound, FL 41 mi69 min 80°F
LBSF1 - Little Blackwater, FL 42 mi129 min 79°F
THRF1 42 mi129 min 80°F
JBYF1 44 mi69 min 79°F
BWSF1 - Blackwater Sound, FL 45 mi129 min 79°F
TCVF1 - Trout Cove, FL 45 mi129 min 78°F
DKKF1 - Duck Key, FL 46 mi129 min 78°F
TRRF1 - Taylor River, FL 47 mi69 min 82°F
BDVF1 - Broad River, FL 49 mi69 min 81°F
LMDF1 - Little Madeira, FL 49 mi69 min 79°F
CANF1 - Cane Patch, FL 49 mi69 min 79°F
WIWF1 - Willy Willy, FL 49 mi69 min 74°F

Wind History for Virginia Key, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Miami, Miami International Airport, FL7 mi76 minESE 510.00 miMostly Cloudy82°F57°F43%1015.4 hPa
Miami, Opa Locka Airport, FL10 mi76 minVar 410.00 miMostly Cloudy82°F60°F47%1015.6 hPa
Hollywood, North Perry Airport, FL15 mi76 minENE 710.00 miMostly Cloudy83°F57°F43%1015.8 hPa
Miami, Kendall-Tamiami Executive Airport, FL17 mi76 minE 810.00 miPartly Cloudy83°F61°F48%1015.3 hPa
Fort Lauderdale/Hollywood International Airport, FL19 mi76 minESE 1010.00 miPartly Cloudy80°F62°F54%1015.2 hPa
Homestead Air Reserve Base, FL24 mi73 minENE 910.00 miPartly Cloudy81°F62°F54%1015.6 hPa

Link to 5 minute data for KMIA

Wind History from MIA (wind in knots)
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SE7SE11----------E7SE5SE4E4E5E4E4NE3NE4NE3NE74NE7CalmE5E12
1 day agoW10
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NW66NW7NE8E10NE5NE5N5N3N4CalmNW4NW4Calm3N34NE6E64E6N6
2 days agoW8
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Tide / Current Tables for San Marino Island, Florida
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San Marino Island
Click for Map
Fri -- 03:58 AM EDT     Moonset
Fri -- 05:48 AM EDT     2.02 feet High Tide
Fri -- 07:09 AM EDT     Sunrise
Fri -- 12:01 PM EDT     0.31 feet Low Tide
Fri -- 03:01 PM EDT     Moonrise
Fri -- 06:05 PM EDT     2.02 feet High Tide
Fri -- 07:38 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.20.40.81.31.71.921.91.51.10.70.40.30.40.71.11.61.921.91.61.20.70.3

Tide / Current Tables for Miami Harbor Entrance, Florida Current
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Miami Harbor Entrance
Click for Map
Fri -- 02:31 AM EDT     1.69 knots Max Flood
Fri -- 03:58 AM EDT     Moonset
Fri -- 06:25 AM EDT     -0.00 knots Slack
Fri -- 07:09 AM EDT     Sunrise
Fri -- 09:38 AM EDT     -1.04 knots Max Ebb
Fri -- 12:34 PM EDT     0.00 knots Slack
Fri -- 03:01 PM EDT     Moonrise
Fri -- 03:02 PM EDT     1.54 knots Max Flood
Fri -- 06:42 PM EDT     -0.00 knots Slack
Fri -- 07:38 PM EDT     Sunset
Fri -- 09:42 PM EDT     -1.26 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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011.61.71.51.20.4-0.5-0.9-1-1-0.9-0.50.41.31.51.51.30.7-0.3-1-1.2-1.3-1.2

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.