Saturday, February27, 2021
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Marine Weather and Tides
South Miami, FL

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:44AMSunset 6:22PM Saturday February 27, 2021 4:01 AM EST (09:01 UTC) Moonrise 6:56PMMoonset 7:12AM Illumination 100% Phase: Full Moon; Moon at 15 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- 319 Am Est Sat Feb 27 2021
Today..East southeast winds 10 to 15 knots. Bay waters a moderate chop.
Tonight..East southeast winds 10 to 15 knots with gusts to around 20 knots. Bay waters a moderate chop.
Sunday..East southeast winds 10 to 15 knots with gusts to around 20 knots. Bay waters a moderate chop.
Sunday night..Southeast winds 10 to 15 knots. Bay waters a moderate chop.
Monday..South southeast winds around 10 knots. Bay waters a light chop.
Monday night and Tuesday..East winds 10 knots. Bay waters a light chop.
Tuesday night..Southeast winds around 10 knots. Bay waters a light chop.
Wednesday..South winds 10 to 15 knots. Bay 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- 319 Am Est Sat Feb 27 2021
Synopsis..High pressure will remain in control through this weekend. This will limit rainfall potential through much of the forecast period. Pressure gradient should begin to tighten leading to building winds and seas, especially over the atlantic. Cautionary headlines are expected through the weekend over the atlantic waters.
Gulf stream hazards..None. The approximate location of the west wall of the gulf stream as of feb 27, 2021 at 1200 utc... 9 nautical miles northeast of fowey rocks. 13 nautical miles east northeast of port everglades. 5 nautical miles east of lake worth. 8 nautical miles east southeast of jupiter inlet. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near South Miami, FL
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location: 25.73, -80.24     debug


Area Discussion for - Miami-South Florida, FL
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FXUS62 KMFL 270707 AFDMFL

Area Forecast Discussion National Weather Service Miami FL 207 AM EST Sat Feb 27 2021

SHORT TERM (Today through Sunday).

A little quieter this morning on KAMX. Most of the shower activity has ended, however, a few additional diurnally driven showers are still possible. For now, think the silent 10 POPs work well, but keep in mind it's not impossible for a rogue shower to develop and move into the Atlantic metro this morning. Still a small signal for shallow ground fog this morning across sheltered areas over the interior, but this should quickly dissipate after sunrise.

The dome of high pressure aloft will strengthen over Cuba this weekend. This will have a few implications on our local weather here in South Florida. For starters this will increase temperatures, especially across the interior with the favored southeasterly flow (almost summerlike). With subsidence/dry air aloft, intense surface heating will help mix down some drier air (see the Fire Weather Section below). Finally, outside of the low possibility of a rogue shower or two within the rich southeasterly flow and diurnal influences, precip will be very limited. In addition, southeasterly flow will further increase as pressure gradient from the strengthening surface high pressure over the Western Atlantic continues. Given the signals for well above average temperatures, kept the temperatures slightly above guidance across the interior and western Atlantic metros.

Tonight through Sunday the same story will unfold. After decoupling tonight, winds will still be around 8-12mph, which will limit the fog potential. Continued rogue shower or two over the Atlantic still expected and then Sunday breezy conditions, conditional fire weather concerns, and relatively intense surface heating all will continue similar to Saturday.

.LONG TERM (Sunday Night through Friday):

The extended period opens with a compact closed low impinging on the ridge anchored across western Cuba as the low traverses eastward. In response to the mid-upper level feature, a frontal boundary reflected at the surface unfurls across the Gulf Coast States and Northern Florida, which lies along the northern periphery of a surface high that is centered across the western Atlantic. This synoptic setup will help to maintain southeasterly to southerly flow across South Florida, reinforcing mostly dry and warm conditions through mid-week.

Compared to yesterday's divergence between global models, the latest iteration of the ECMWF has come into somewhat better agreement with the GFS, which exhibits the ridge becoming shunted southward in response to the mid-upper low and zonal flow with weak embedded troughing becoming established aloft thereafter. Effectively, this will permit southward propagation of the aforementioned front towards South Florida, slightly increasing rain chances mid-week. Therefore, have reintroduced mentionable PoPs, mainly across Palm Beach County and the adjacent Atlantic waters. However, confidence in coverage remains on the lower side given the Euro's switch in scenario and disparities that persist between models thereafter for the end of the week. Consistency in agreement among future model runs will continue to be monitored each forecast cycle, along with the evolution of the weather pattern for the latter portion of the week.

With that said, the main story -- at least for the first portion of the extended period -- continues to be toasty daytime highs and "feel-like" temperatures. The warmest day is currently forecast to be Monday, with heat indices in the mid to upper 80s over the east coast metro areas to the lower 90s over portions of Glades, Hendry, and inland Collier Counties during the afternoon hours. These temperatures and heat indices should gradually decrease as the week progresses and the upper level ridging weakens.

AVIATION(06Z TAFS). VFR conditions will prevail through this cycle. There could be some interior patchy ground fog, but this shouldn't impact the primary TAF sites across South Florida. The highlight will be winds as southeasterly flow increases. Some gusts up to 20-25kt (especially Atlantic terminals) will be possible Saturday afternoon before decreasing around or shortly after sunset.

MARINE. Southeasterly flow is on the increase. This increase in winds has led to the need for cautionary headlines across portions of the Atlantic. At times we will approach SCA thresholds across the Atlantic waters. Winds will need to be closely monitored in case a short fused SCA would need to be issued, especially the offshore Atlantic waters where winds will slightly be higher. Winds will decrease by late Tuesday as pressure gradient relaxes in closer proximity to a frontal boundary.

FIRE WEATHER. With strong surface heating across interior Collier, Hendry, and Glades Counties, drier air will likely mix to the surface this afternoon. This drier air will drop relative humidity values to around 40 percent. Southeasterly winds will also begin to increase. Although critical fire weather thresholds aren't currently expected to be met, quick ignition and spread of fire would likely occur during the afternoon hours.

BEACHES. There will be a high risk of rip currents through the weekend as onshore flow increases along the Atlantic beaches. Remember that rip currents can sweep even the best swimmers away from shore into deeper water. If you plan to go into the water be sure to swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction paralleling the shoreline . once out of the rip current swim back to shore. If unable to escape, face the shore and call or wave for help.

PRELIMINARY POINT TEMPS/POPS. Miami 86 74 84 73 / 10 0 0 0 West Kendall 86 72 86 71 / 10 0 0 0 Opa-Locka 86 71 84 71 / 10 0 0 0 Homestead 83 73 83 72 / 10 0 0 0 Fort Lauderdale 83 74 84 73 / 10 0 0 0 N Ft Lauderdale 84 73 83 73 / 10 0 0 0 Pembroke Pines 86 72 85 71 / 10 0 0 0 West Palm Beach 85 71 83 71 / 10 0 0 0 Boca Raton 83 72 84 72 / 10 0 0 0 Naples 86 68 86 69 / 0 0 0 0

MFL WATCHES/WARNINGS/ADVISORIES. FL . High Rip Current Risk through Monday evening for FLZ168-172-173.

AM . None. GM . None.



Today through Sunday and Aviation/Marine/Fire/Beaches . Frye Sunday Night through Friday . HVN

Visit us at weather.gov/miami

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VAKF1 - 8723214 - Virginia Key, FL 4 mi43 min E 9.9 G 14 77°F 80°F1020.6 hPa
FWYF1 - Fowey Rocks, FL 12 mi61 min ESE 19 G 20 76°F 76°F1020 hPa (-0.8)
PEGF1 25 mi49 min E 14 G 17 77°F 1020.5 hPa
MDKF1 32 mi61 min 80°F
MNBF1 35 mi61 min 79°F
HCEF1 - Highway Creek, FL 35 mi61 min 79°F
LSNF1 - Long Sound, FL 36 mi61 min 80°F
THRF1 37 mi121 min 79°F
LBSF1 - Little Blackwater, FL 37 mi121 min 79°F
JBYF1 38 mi61 min 80°F
TCVF1 - Trout Cove, FL 39 mi121 min 79°F
DKKF1 - Duck Key, FL 40 mi121 min 79°F
BWSF1 - Blackwater Sound, FL 40 mi121 min 79°F
TRRF1 - Taylor River, FL 42 mi61 min 80°F
CANF1 - Cane Patch, FL 43 mi61 min 77°F
BDVF1 - Broad River, FL 43 mi61 min 79°F
TPEF1 - Tarpon Bay East, FL 44 mi121 min 78°F
WIWF1 - Willy Willy, FL 44 mi61 min 77°F
LMDF1 - Little Madeira, FL 44 mi61 min 79°F
NRRF1 45 mi61 min 79°F
LRIF1 46 mi61 min 80°F
TBYF1 47 mi61 min 80°F
BNKF1 - Butternut Key, FL 47 mi61 min 78°F
HREF1 48 mi61 min 77°F
GBIF1 - Gunboat Island, FL 48 mi61 min 78°F
GBTF1 - Garfield Bight, FL 49 mi61 min 79°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 mi68 minESE 610.00 miPartly Cloudy75°F69°F82%1020.2 hPa
Miami, Kendall-Tamiami Executive Airport, FL11 mi68 minSE 810.00 miA Few Clouds76°F68°F77%1019.9 hPa
Miami, Opa Locka Airport, FL13 mi68 minESE 610.00 miA Few Clouds74°F67°F79%1020.5 hPa
Homestead Air Reserve Base, FL19 mi65 minESE 810.00 miA Few Clouds75°F0°F%1020 hPa
Hollywood, North Perry Airport, FL19 mi68 minESE 810.00 miPartly Cloudy75°F68°F79%1020.6 hPa
Fort Lauderdale/Hollywood International Airport, FL24 mi68 minESE 1210.00 miA Few Clouds77°F70°F79%1019.9 hPa

Link to 5 minute data for KMIA

Wind History from MIA (wind in knots)
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Last 24hrNE4NE3NE3CalmCalmE10SE12SE11E11
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1 day agoCalmCalmCalmCalmCalmNW4W3NW5NE4S6SE5E5SE7SE6E7E8E8NE4NE6NE4NE6CalmNE3E3
2 days agoE4E4CalmE10E4E5NE6E65S8SE7SE7SE7SE6SE4NW3E5E3SE4CalmCalmCalmCalmCalm

Tide / Current Tables for Dinner Key Marina, Florida
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Dinner Key Marina
Click for Map
Sat -- 03:19 AM EST     Full Moon
Sat -- 03:47 AM EST     -0.42 feet Low Tide
Sat -- 06:45 AM EST     Sunrise
Sat -- 07:12 AM EST     Moonset
Sat -- 09:27 AM EST     2.11 feet High Tide
Sat -- 04:10 PM EST     -0.31 feet Low Tide
Sat -- 06:21 PM EST     Sunset
Sat -- 06:56 PM EST     Moonrise
Sat -- 09:43 PM EST     2.14 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.5-0-0.3-0.4-0.10.41.11.72.12.11.81.40.80.3-0.1-0.3-0.20.30.91.622.11.9

Tide / Current Tables for Miami Harbor Entrance, Florida Current
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Miami Harbor Entrance
Click for Map
Sat -- 12:42 AM EST     -1.65 knots Max Ebb
Sat -- 03:19 AM EST     Full Moon
Sat -- 03:34 AM EST     0.01 knots Slack
Sat -- 06:28 AM EST     2.24 knots Max Flood
Sat -- 06:45 AM EST     Sunrise
Sat -- 07:11 AM EST     Moonset
Sat -- 09:48 AM EST     -0.00 knots Slack
Sat -- 01:03 PM EST     -1.68 knots Max Ebb
Sat -- 03:58 PM EST     0.00 knots Slack
Sat -- 06:21 PM EST     Sunset
Sat -- 06:41 PM EST     2.22 knots Max Flood
Sat -- 06:56 PM EST     Moonrise
Sat -- 10:06 PM EST     -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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-1.6-1.6-1.4-0.70.61.72.22.21.91-0.2-1.1-1.5-1.7-1.6-1.101.42.12.221.30.1-1

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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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.