Friday, August14, 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 6:52AMSunset 7:57PM Friday August 14, 2020 9:18 AM EDT (13:18 UTC) Moonrise 1:23AMMoonset 3:26PM Illumination 20% Phase: Waning Crescent; Moon at 25 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- 402 Am Edt Fri Aug 14 2020
Today..East southeast winds 5 to 10 knots. Seas around 2 feet. Period 4 seconds. Intracoastal waters a light chop. Slight chance of showers in the morning.
Tonight..East southeast winds around 10 knots. Seas around 2 feet. Period 3 seconds. Intracoastal waters a light chop. Slight chance of showers.
Saturday..East southeast winds 5 to 10 knots. Seas less than 2 feet. Period 3 seconds. Intracoastal waters a light chop. Slight chance of showers.
Saturday night..Southeast winds 5 to 10 knots. Seas less than 2 feet. Period 2 seconds. Intracoastal waters a light chop.
Sunday..Southeast winds around 5 knots. Seas less than 2 feet. Intracoastal waters smooth. Slight chance of showers and Thunderstorms in the afternoon.
Sunday night..South southeast winds 5 to 10 knots. Seas less than 2 feet. Intracoastal waters a light chop.
Monday and Monday night..South winds 5 to 10 knots. Seas less than 2 feet. Intracoastal waters a light chop. Chance of showers and slight chance of Thunderstorms.
Tuesday..South southeast winds 5 to 10 knots. Seas less than 2 feet. Intracoastal waters a light chop. Slight chance of showers in the morning. Slight chance of Thunderstorms through the day. Chance of showers in the afternoon.
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- 402 Am Edt Fri Aug 14 2020
Synopsis.. High pressure across the atlantic waters is maintaining light easterly to southeasterly surface flow and generally favorable marine conditions into the weekend. Isolated to scattered showers and storms are most likely across the atlantic waters during the overnight and morning hours, transitioning to the gulf waters during the late afternoon and early evening hours. The primary impacts with any storms will be locally gusty winds, lightning, and brief reductions to visibility during heavy downpours. Isolated waterspouts will also be possible, primarily during the morning hours.
Gulf stream hazards..Locally higher winds and waves in and around showers and Thunderstorms. The approximate location of the west wall of the gulf stream as of aug 13, 2020 at 1200 utc... 6 nautical miles east southeast of fowey rocks. 11 nautical miles east northeast of port everglades. 8 nautical miles east southeast of lake worth. 13 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 141127 AFDMFL

Area Forecast Discussion National Weather Service Miami FL 727 AM EDT Fri Aug 14 2020

Aviation (12Z TAFs). VFR conditions should prevail across most of the east coast TAF sites. Brief MVFR/IFR conditions may be experienced along the Atlantic coastline in association with quick-moving, pulse-type showers. This activity should gradually shift towards the interior by late AM/early PM and wane over the east coast, as the Atlantic sea-breeze moves inland. Convective coverage may increase near KAPF and west coast sites later this afternoon, however TEMPOs not necessary at this time. Winds predominately ESE except at KAPF, where Gulf Coast sea-breeze may cause SW wind shift.

Prev Discussion. /issued 358 AM EDT Fri Aug 14 2020/

.Hot summer day with showers and storms possible again today.

Short Term (Today through Saturday) . Another warm summer day with light east-southeasterly flow due to surface high pressure centered over the Atlantic. Aloft a trough over the southeastern United States will amplify into the Gulf of Mexico as a surface low and an associated trough moves from the Mid-Atlantic states into the Atlantic. A high aloft easing into the Bahamas could help to bring some drier air towards the area which could allow for slightly lower rain chances today. Sea breezes are expected to develop again with the Atlantic sea breeze favored by the easterly flow pattern. The Gulf sea breeze will be slightly restrained but should be able to advance inland to around the State Road 29 corridor. Therefore the highest PoPs today will remain over inland portions of Southwest Florida, though with a slightly earlier timing compared to normal as the sea breeze collisions should be earlier as well.

Convection should diminish over the peninsula in the evening, once again shifting over the waters overnight. The pattern repeats similarly for Saturday though it will be worth watching if a drier pocket of air moves into the region in case rain chances may need to be adjusted lower. Temperatures will reach into the 90s both days with some heat index values reaching into the mid 100s over inland portions of Southwest Florida. Overnight lows will also remain warm, particularly along the Atlantic coast.

Long Term (Sunday through Thursday) . For Sunday and Monday, models depict an amplifying trough across the SE CONUS, which begins to erode the western periphery of the Atlantic ridge. This setup will begin shifting overall winds across SoFlo to a more southerly, or even southwesterly flow at times. Thus, moisture advection from the Caribbean will increase, and together with daytime heating, will support afternoon scattered to numerous showers and thunderstorms. The flow will push best POPs into the interior/northern portions of the CWA, especially around the Lake region.

By the middle of the work week, long range model solutions suggest another trough building over the Gulf region, further extending the streaming moisture from the south through the rest of the long term. POPs will be adjusted to around 60 percent for each afternoon, with aerial coverage becoming wide spread Wed/Thu. The increasing showers and storms will bring flooding potential, especially with multiple rounds of downpours over the same location.

The hot temperatures continue with afternoon maxs in the low to mid 90s, along with heat indices reaching triple digits over much of SoFlo.

Marine . High pressure situated across the western Atlantic waters will maintain light easterly to southeasterly surface flow and generally favorable marine conditions into the weekend. Isolated to scattered showers and storms can be expected across the Atlantic waters during the overnight and morning hours, transitioning to the Gulf waters during the late afternoon and early evening hours. The wind pattern will begin to shift Sunday with a southerly flow developing and then becoming southwesterly early next week. Sea breezes will still cause an onshore flow to develop most late morning and afternoons near the coasts.

Preliminary Point Temps/PoPs. West Palm Beach 91 77 92 77 / 30 10 40 10 Fort Lauderdale 90 80 91 79 / 20 10 40 10 Miami 91 79 92 78 / 20 10 40 10 Naples 92 76 93 76 / 30 20 50 20

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

Marine . 02/RAG Aviation . 09/Bhatti Short Term . 02/RAG Long Term . 17/AR


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VAKF1 - 8723214 - Virginia Key, FL 4 mi151 min SE 7 G 8.9 84°F 90°F1015.7 hPa
FWYF1 - Fowey Rocks, FL 14 mi19 min SE 11 G 12 84°F 85°F1016 hPa (+1.0)
PEGF1 21 mi151 min 1015.3 hPa
MDKF1 37 mi79 min 87°F
HCEF1 - Highway Creek, FL 40 mi79 min 87°F
LSNF1 - Long Sound, FL 41 mi79 min 87°F
MNBF1 41 mi79 min 90°F
LBSF1 - Little Blackwater, FL 42 mi139 min 88°F
JBYF1 44 mi79 min 89°F
BWSF1 - Blackwater Sound, FL 45 mi139 min 87°F
TCVF1 - Trout Cove, FL 45 mi139 min 87°F
DKKF1 - Duck Key, FL 46 mi139 min 87°F
TRRF1 - Taylor River, FL 47 mi79 min 87°F
BDVF1 - Broad River, FL 49 mi79 min 88°F
LMDF1 - Little Madeira, FL 49 mi79 min 88°F
CANF1 - Cane Patch, FL 49 mi79 min 86°F
WIWF1 - Willy Willy, FL 49 mi79 min 85°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 mi26 minESE 910.00 miA Few Clouds86°F73°F65%1015.7 hPa
Miami, Opa Locka Airport, FL10 mi26 minSSE 910.00 miFair85°F73°F68%1015.9 hPa
Hollywood, North Perry Airport, FL15 mi26 minSE 810.00 miPartly Cloudy87°F75°F67%1016.1 hPa
Miami, Kendall-Tamiami Executive Airport, FL17 mi26 minESE 910.00 miFair87°F73°F63%1015.5 hPa
Fort Lauderdale/Hollywood International Airport, FL19 mi26 minS 610.00 miA Few Clouds87°F77°F72%1015.4 hPa
Homestead Air Reserve Base, FL24 mi23 minSE 810.00 miA Few Clouds86°F74°F70%1015.9 hPa

Link to 5 minute data for KMIA

Wind History from MIA (wind in knots)
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1 day agoSE4E5SE7SE6E9SE9SE11SE8SE10SE11E10E8SE6E7E7E6CalmE3E4E3E8E7SE6SE9
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Tide / Current Tables for San Marino Island, Florida
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San Marino Island
Click for Map
Fri -- 02:22 AM EDT     Moonrise
Fri -- 05:36 AM EDT     1.91 feet High Tide
Fri -- 06:53 AM EDT     Sunrise
Fri -- 12:04 PM EDT     0.26 feet Low Tide
Fri -- 04:26 PM EDT     Moonset
Fri -- 06:35 PM EDT     2.09 feet High Tide
Fri -- 07:56 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.81.11.41.71.91.91.71.410.70.40.30.30.611.51.82.12.11.91.61.20.9

Tide / Current Tables for Miami Harbor Entrance, Florida Current
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Miami Harbor Entrance
Click for Map
Fri -- 12:14 AM EDT     0.00 knots Slack
Fri -- 02:22 AM EDT     Moonrise
Fri -- 02:28 AM EDT     1.24 knots Max Flood
Fri -- 06:12 AM EDT     -0.00 knots Slack
Fri -- 06:53 AM EDT     Sunrise
Fri -- 08:54 AM EDT     -1.03 knots Max Ebb
Fri -- 12:37 PM EDT     0.00 knots Slack
Fri -- 03:17 PM EDT     1.57 knots Max Flood
Fri -- 04:26 PM EDT     Moonset
Fri -- 07:12 PM EDT     -0.00 knots Slack
Fri -- 07:56 PM EDT     Sunset
Fri -- 10:58 PM EDT     -0.86 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.20.61.21.21.10.80.2-0.6-1-1-1-0.9-0.50.41.21.61.61.510.2-0.5-0.8-0.8-0.9

Weather Map
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wmap_A
GEOS Local Image of    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 (9,2,3,4)
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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.