Thursday, April2, 2020
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Marine Weather and Tides
Miami, 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 7:08AMSunset 7:39PM Thursday April 2, 2020 1:45 AM EDT (05:45 UTC) Moonrise 12:59PMMoonset 2:06AM Illumination 67% Phase: Waxing Gibbous; Moon at 9 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- 921 Pm Edt Wed Apr 1 2020
.small craft should exercise caution...
Rest of tonight..North northeast winds 10 to 15 knots with gusts to around 20 knots. Seas 2 to 3 feet along the coast and 4 to 6 feet with occasional to 8 feet in the gulf stream. Period 7 seconds. Intracoastal waters a light chop.
Thursday..Northeast winds 10 to 15 knots. Seas 2 to 3 feet along the coast and 3 to 5 feet with occasional to 6 feet in the gulf stream. Period 8 seconds. Intracoastal waters a moderate chop.
Thursday night..Northeast winds 5 to 10 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Period 7 seconds. North northwest swell around 3 feet after midnight. Intracoastal waters a light chop.
Friday..Northeast winds 5 to 10 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Period 11 seconds. North northwest swell around 3 feet in the morning. Intracoastal waters a light chop.
Friday night..Northeast winds 5 to 10 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Intracoastal waters a light chop.
Saturday..East northeast winds around 10 knots. Seas 2 to 3 feet. Intracoastal waters a light chop.
Saturday night through Monday..East winds 10 to 15 knots with gusts to around 20 knots. Seas 3 to 5 feet with occasional seas to 6 feet. North northwest swell 3 feet. Intracoastal waters a moderate 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- 921 Pm Edt Wed Apr 1 2020
Synopsis.. The northerly winds will continue over the local waters of south florida through Thursday before transitioning to a more easterly direction later on into the week. SWells increase leading to adverse marine conditions, especially over the gulf stream on Thursday. The weather will also remain dry over all of the local waters of south florida through this weekend.
Gulf stream hazards..SEas will subside to 6 feet or less tonight before building again to 7 feet or higher Thursday afternoon into this weekend. The approximate location of the west wall of the gulf stream as of mar 31, 2020 at 1200 utc... 18 nautical miles east of fowey rocks. 24 nautical miles east of port everglades. 19 nautical miles east northeast of lake worth. 19 nautical miles east of jupiter inlet. This data courtesy of the naval oceanographic office.


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


Area Discussion for - Miami-South Florida, FL
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FXUS62 KMFL 020050 AAB AFDMFL

Area Forecast Discussion . UPDATED National Weather Service Miami FL 850 PM EDT Wed Apr 1 2020

Update.

Allowed the rip current statement and Fire Weather Watch to expire. RH values have started the nocturnal climb and winds have decreased across the area. Speaking of winds, a weakening onshore flow across the Gulf zones has allowed the Rip Currents potential to decrease. As winds begin to transition more easterly, Atlantic rip current potential will increase, especially across Palm Beach. Outside of that, forecast looks to be in great shape going into the late evening. No meaningful changes at the moment.

Prev Discussion. /issued 731 PM EDT Wed Apr 1 2020/

.00z Aviation Update.

Aviation . VFR Conditions expected through this TAF cycle. The primary story will be the northerly winds eventually transitioning to a northeasterly or even in some cases easterly direction with time . except for APF. Here, a Gulf breeze on Thursday will help transition the winds to a more westerly direction in the midday/early afternoon timeframe.

Prev Discussion . /issued 333 PM EDT Wed Apr 1 2020/

Short Term . Rest of Today and Tonight .

Clearing skies in the wake of this morning's cold front. Not too much relief in temperatures as temperatures are expected to climb to near normal for this time of year -- in the low 80s. Dry conditions for the rest of today and tonight.

A relatively tightened pressure gradient should keep northwest winds enhanced, resulting in elevated to near-critical fire-weather conditions this afternoon into the early evening (see Fire Weather section for additional details). Clear skies and weakening winds tonight will enhance radiational cooling -- with lows ranging from the 50s across southwest Florida, to the lower/middle 60s across southeast Florida where veering surface winds will facilitate the return of the marine-modified boundary layer.

Long Term . High pressure will build in over the Southeastern United States from the north for Thursday into Friday before moving into the Western Atlantic waters this weekend. At the same time, a low level short wave will move into the Gulf of Mexico from the west late this week into early next weekend. The latest long range models are are starting to show the short wave to lift more northeast into the Southeastern United States instead of moving eastward toward the Florida Peninsula late this weekend into early next week. Therefore, the winds will remain easterly over South Florida along with PoPs remaining in the slight 5 to 10 percent range. Highs late this week into this weekend will be mainly in the lower to mid 80s with lows in the 50s, except 60s along the east coast metro areas.

The long range models are also showing that the high over the western Atlantic waters will weaken for the middle to end of next week, as low pressure develops over the Texas region and moves eastward into the Southeastern United States. This will allow for the winds flow to swing to more of a southerly direction over South Florida allowing temperatures to warm back up into the mid to 80s to near 90 degrees for the highs and lows back into the 60s except 70s east coast metro areas.

Marine . Northerly winds behind the passage of a cold front will continue through late this week before shifting to more of an easterly direction this weekend. The speeds will be decreasing from breezy conditions this afternoon to more of a moderate condition late this week into this weekend. A northeast swell will also be building southward over the Atlantic waters Thursday night into Friday from the north. This will allow for the Atlantic seas to decrease to 4 to 6 feet tonight with isolated areas in the Atlantic waters of Palm Beach County to get up to 7 feet. The seas will then build to 5 to 7 feet Thursday afternoon and continuing through the weekend with even Palm Beach Atlantic waters building to around 9 to 10 feet due to the northeast swells. The Gulf waters will see the seas subsiding to 2 feet or less by Thursday into this weekend. Therefore, the SCA will be allow to expired for the offshore Atlantic waters this afternoon and be replace with an SCEC conditions for tonight. But the SCA will more likely come back for Thursday into this weekend for the Atlantic waters for the northeast swells.

Aviation . VFR conditions with NNW winds around 8-12 knots with gusts in the 20-25 kt range this afternoon before decreasing and shifting from the NE overnight. OPF/MIA/TMB look to see lgt/vrb winds overnight tonight. By tomorrow, winds become more E before shifting back to the NE towards the latter half of the forecast period. No rain expected.

Beach Forecast . A High Rip Current Risk is in effect for the Collier County coast through this evening owing to strengthening onshore flow following frontal passage and eastward-spreading swell. For the Atlantic beaches, the rip-current risk will increase by the end of this week continuing into this weekend and next week, as swell builds southward over the Atlantic waters, and onshore flow becomes established. Moreover, these factors could result in high surf for the Palm Beach coast vicinity by Thursday afternoon into this weekend.

Fire Weather . Elevated to near-critical fire-weather conditions are expected this afternoon into the early evening hours across much of South Florida due to breezy NW winds and drier air in the wake of a cold front. While the pressure gradient behind this boundary will gradually weaken later this afternoon, it should remain sufficiently enhanced for winds to remain elevated as relative-humidity values rapidly fall during the diurnal-heating cycle. For much of South Florida, except Coastal Collier County, 20-foot winds of around 10 to 15 mph are expected to combine with afternoon relative humidity of 25 to 35 percent.

However, forecast soundings indicate mean flow in the lowest 1 km above ground holding around 15-25 knots concurrent with critical relative humidity -- resulting in the potential for 20-foot winds to exceed 15 mph and critical conditions on an at-least isolated and brief basis. There does exist the potential for critical fire- weather conditions to materialize this afternoon, warranting the issuance of a Fire Weather Watch for all of South Florida except for Coastal Collier County. Over Coastal Collier County, somewhat higher relative humidity should limit the fire- weather risk to some extent, though elevated fire-weather conditions are expected.

After today, dry conditions will persist for the remainder of this week into this weekend, potentially resulting in localized elevated fire-weather potential, though weakening winds will tend to limit the overall fire-weather risk after today. Precipitation will be unlikely for the remainder of this week into this weekend and early next week.

Preliminary Point Temps/PoPs. West Palm Beach 63 78 62 80 / 0 0 0 0 Fort Lauderdale 66 78 64 80 / 10 0 0 0 Miami 65 79 64 81 / 0 0 0 0 Naples 58 81 60 83 / 0 0 0 0

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

Update . 28/Frye


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VAKF1 - 8723214 - Virginia Key, FL 4 mi46 min NNE 5.1 G 8 73°F 82°F1013.1 hPa (+1.2)
FWYF1 - Fowey Rocks, FL 14 mi46 min NE 12 G 13 74°F 78°F1013.1 hPa (+1.2)
PEGF1 22 mi52 min NNE 12 G 14 73°F 1012.8 hPa
MDKF1 36 mi106 min 82°F
HCEF1 - Highway Creek, FL 39 mi106 min 82°F
LSNF1 - Long Sound, FL 40 mi106 min 81°F
THRF1 41 mi166 min 80°F
LBSF1 - Little Blackwater, FL 41 mi166 min 80°F
JBYF1 43 mi106 min 82°F
TCVF1 - Trout Cove, FL 43 mi166 min 81°F
DKKF1 - Duck Key, FL 44 mi166 min 80°F
BWSF1 - Blackwater Sound, FL 44 mi166 min 82°F
TRRF1 - Taylor River, FL 46 mi106 min 83°F
BDVF1 - Broad River, FL 47 mi106 min 83°F
WIWF1 - Willy Willy, FL 47 mi106 min 83°F
TPEF1 - Tarpon Bay East, FL 48 mi166 min 82°F
LMDF1 - Little Madeira, FL 48 mi106 min 80°F
NRRF1 49 mi106 min 82°F

Wind History for Virginia Key, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Miami, Miami International Airport, FL6 mi53 minNNE 310.00 miA Few Clouds72°F62°F71%1013.1 hPa
Miami, Opa Locka Airport, FL10 mi53 minNNE 410.00 miFair70°F62°F76%1013.4 hPa
Hollywood, North Perry Airport, FL15 mi53 minNNE 510.00 miFair70°F60°F71%1013.6 hPa
Miami, Kendall-Tamiami Executive Airport, FL16 mi53 minNE 610.00 miFair71°F63°F76%1012.9 hPa
Fort Lauderdale/Hollywood International Airport, FL20 mi53 minNE 410.00 miFair70°F60°F71%1012.8 hPa
Homestead Air Reserve Base, FL23 mi50 minN 410.00 miFair69°F62°F80%1012.8 hPa

Link to 5 minute data for KMIA

Wind History from MIA (wind in knots)
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NW66NW7NE8E10NE5NE5N5N3
1 day agoCalmCalmW3CalmCalmCalmCalmSW6S9S10SW8S9SW11W8
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2 days agoE7E5CalmSE6SE5SE4E4SE54SE6SE7SE8--SE9SE9SE10SE11SE11SE9SE7SE4SE5SE3S3

Tide / Current Tables for Miami, Marina, Biscayne Bay, Florida
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Miami Harbor Entrance, Florida Current
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Miami Harbor Entrance
Click for Map
Thu -- 01:21 AM EDT     1.70 knots Max Flood
Thu -- 03:06 AM EDT     Moonset
Thu -- 05:22 AM EDT     -0.00 knots Slack
Thu -- 07:10 AM EDT     Sunrise
Thu -- 07:30 AM EDT     -0.90 knots Max Ebb
Thu -- 11:31 AM EDT     0.00 knots Slack
Thu -- 01:48 PM EDT     1.43 knots Max Flood
Thu -- 01:58 PM EDT     Moonrise
Thu -- 05:34 PM EDT     -0.00 knots Slack
Thu -- 07:38 PM EDT     Sunset
Thu -- 08:02 PM EDT     -1.12 knots Max Ebb
Thu -- 11:57 PM EDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.11.71.61.41.10.3-0.5-0.9-0.9-0.8-0.8-0.40.41.21.41.31.10.5-0.4-1-1.1-1.1-1-0.7

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 (1,6,7,8)
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Ground Weather Radar Station Miami, FL
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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 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.