Monday, January20, 2020
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L-36.com


Marine Weather and Tides
Hallandale 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 5:55PM Monday January 20, 2020 11:13 AM EST (16:13 UTC) Moonrise 3:18AMMoonset 2:22PM Illumination 21% 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- 1001 Am Est Mon Jan 20 2020
.small craft advisory in effect from late tonight through Tuesday evening...
Rest of today..North winds 10 to 20 knots. Seas 2 to 4 feet with occasional seas to 5 feet along the coast and 4 to 6 feet with occasional to 8 feet in the gulf stream. Period 5 seconds. Intracoastal waters a moderate chop. Chance of showers.
Tonight..North northwest winds 10 to 15 knots with gusts to around 20 knots along the coast to north 15 to 20 knots with gusts to around 25 knots in the gulf stream. Seas 2 to 4 feet with occasional seas to 5 feet along the coast and 4 to 6 feet with occasional to 8 feet in the gulf stream. Period 7 seconds. Intracoastal waters a moderate chop. Chance of showers after midnight.
Tuesday..North northwest winds 15 to 25 knots with gusts to around 30 knots. Along the coast, seas 3 to 5 feet with occasional seas to 6 feet. In the gulf stream, seas 5 to 7 feet with occasional seas to 9 feet building to 7 to 9 feet with occasional seas to 11 feet. Period 7 seconds. Intracoastal waters a moderate chop. Chance of showers.
Tuesday night..North northwest winds 20 to 25 knots with gusts to around 30 knots. Seas 4 to 6 feet with occasional seas to 8 feet along the coast and 9 to 11 feet with occasional to 14 feet in the gulf stream. Period 8 seconds. Intracoastal waters a moderate chop. Slight chance of light showers.
Wednesday..North winds 15 to 20 knots with gusts to around 25 knots along the coast to north 15 to 25 knots with gusts to around 30 knots in the gulf stream. Seas 5 to 7 feet with occasional seas to 9 feet along the coast and 9 to 11 feet with occasional to 14 feet in the gulf stream. North swell 4 feet. Intracoastal waters a moderate chop. Chance of light showers.
Wednesday night..East northeast winds 15 to 25 knots with gusts to around 30 knots. Seas 7 to 9 feet with occasional seas to 11 feet along the coast and 10 to 12 feet with occasional to 15 feet in the gulf stream. North swell 3 to 6 feet. Intracoastal waters rough in exposed areas. Slight chance of light showers through the night.
Thursday..East winds 15 to 20 knots with gusts to around 25 knots. Along the coast, seas 6 to 8 feet with occasional seas to 10 feet. In the gulf stream, seas 8 to 10 feet with occasional seas to 13 feet subsiding to 6 to 8 feet with occasional seas to 10 feet. North northeast swell 3 to 6 feet. Intracoastal waters choppy in exposed areas. Slight chance of light showers.
Thursday night..East winds 10 to 15 knots with gusts to around 20 knots. Seas 5 to 7 feet with occasional seas to 9 feet. North northeast swell around 3 feet. Intracoastal waters a moderate chop. Slight chance of light showers late in the evening.
Friday..East southeast winds around 10 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Intracoastal waters a light chop. Slight chance of light showers.
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- 1001 Am Est Mon Jan 20 2020
Synopsis..A cold front moved across the region early this morning, bringing a very brief round of showers. Drier air and northerly flow are now establishing over the soflo coastal waters in the wake of the front. Meanwhile, a surface low pressure developing over the open atlantic waters to the north of the bahamas is forecast to create swell that will allow the elevated seas to remain in the atlantic through a good part of the week.
Gulf stream hazards..Hazardous winds and seas will build behind the cold front with elevated seas remaining through much of the week. The approximate location of the west wall of the gulf stream as of jan 20, 2020 at 1200 utc... 5 nautical miles southeast of fowey rocks. 7 nautical miles east northeast of port everglades. 5 nautical miles east northeast of lake worth. 10 nautical miles east southeast of jupiter inlet. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Hallandale Beach, FL
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location: 26.01, -80.13     debug


Area Discussion for - Miami-South Florida, FL
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FXUS62 KMFL 201428 AFDMFL

Area Forecast Discussion National Weather Service Miami FL 928 AM EST Mon Jan 20 2020

Update. Cold front moved across soFlo a little faster than anticipated with the pre-frontal convection ahead of the main boundary already past the Florida Keys. Radar was showing a few small showers lingering over the Atlantic coastal waters, but these should also push further southeastward through the rest of the morning hours.

The 12Z MFL sounding came out fairly dry, with PWATS around 0.9 inches, and this was ahead of the FROPA. Thus, with the main boundary already pushing south of the Miami metro area, as suggested by the northward shift in winds and dropping dew points, will go ahead and remove all mention of showers for the rest of today and through Tuesday.

Models also backed down from bringing the surge of northerly winds in the wake of the FROPA for today or tonight, and the breezy/gusty conditions are not expected until late Tuesday when more robust cold/dry air advection establishes. Therefore, expect moderate northerly flow through Tuesday morning, with temperatures tonight dropping into the low-mid 40s inland and mid-upper 50s near the coast.

Prev Discussion. /issued 629 AM EST Mon Jan 20 2020/

Cold front moving through South Florida this morning.

Short Term (Today and Tonight) . Some showers have developed ahead of the cold front this morning, with a focus over the local waters where more ample moisture exists to support convection. In general, activity early today should remain shallow showers with spartan coverage. As the front pushes through the area this morning, a general drying trend is expected from northwest to southeast throughout the day. Gusty northwesterly to northerly winds will last overnight with temperatures falling into the lower 40s over Glades and Hendry Counties, 40s across the rest of Southwest Florida and inland Southeast Florida, and mid to upper 50s along the Atlantic coast. Due to the Atlantic moisture, cannot rule out some shallow showers over the Atlantic waters which could push near the coast but things should generally remain dry after the main front pushes through.

Long Term (Tuesday through Sunday) . A shortwave trough will continue to swing southeastward across the SE CONUS and out over the Atlantic on Tuesday/Tuesday night, helping induce the formation of a surface low off the Carolina coast. This developing low will keep the gradient tight and breezy northerly winds in place over South Florida into Wednesday, when the surface low finally pushes off further into the Atlantic. This prolonged period in breezy northerly winds will leave more time for cooler and drier air to filter in across the area, making Tuesday night into Wednesday morning the coldest of the period with low temperatures ranging from the mid 30s west of the Lake/interior SW Florida to the upper 40s right along the East Coast. While frost is not expected to be a concern since winds should stay around 10mph or more overnight, a wind chill advisory (wind chill of 35 degrees or less and winds over 5 mph for 3+ hours) will be possible for some of the interior portions of the area.

Wednesday will remain cool under northerly winds with high temperatures in the 60s. Winds become more easterly Wednesday night as the surface low to the northwest moves further away, kicking off a gradual warming and moistening trend stretching into the weekend. In the meantime, another shortwave trough swinging across Texas will help induce a surface low over the northwestern Gulf on Thursday. The shortwave trough begins to phase with the longwave trough as it rounds the base of it, helping drag the surface low to the northeast across the Southeast CONUS on Friday. This system should ultimately drag another cold front through South Florida on Saturday, but with the loss of upper level support by this time not much convection is expected. This second front cools things off again but not nearly as cold as the first front, with low temperatures only expected to dip into the upper 40s west of the Lake to the upper 50s/near 60 along the East Coast Sunday night.

Marine . Stiff northerly to northwesterly flow behind today's cold front will allow for hazardous conditions to develop in the Gulf and Atlantic waters. There will be some brief improvement for the Gulf but the Atlantic waters could see the hazardous conditions linger through a good portion of the week. Some initial Small Craft Advisory issuances will go out with this forecast package but mariners are advised to stay aware of the latest forecast as these advisories will likely change in time and require extensions into the late parts of the week.

Beach Forecast . An elevated risk of rip currents will remain along the Atlantic beaches on this Martin Luther King, Jr. Day with a high rip current risk remaining along the Palm Beaches again today. The Gulf beaches will see an elevated rip current risk develop behind the cold front that may linger through mid-week. Meanwhile on the Atlantic beaches, the elevated rip current risk will remain through the week with some of the Palm Beaches maintaining the risk into the weekend potentially.

Prev Discussion . /issued 1238 AM EST Mon Jan 20 2020/

Aviation . Some bouts of sub-VFR cigs (and possibly vsbys) overnight into the morning hours as showers ahead of a cold front push across South Florida. Lingering low cigs in the morning should improve by midday. Gusty northwesterly to northerly flow by afternoon which should become a tad lighter overnight Monday into Tuesday to close out the forecast period.

Preliminary Point Temps/PoPs. West Palm Beach 71 54 66 46 / 20 20 10 10 Fort Lauderdale 73 56 68 47 / 40 20 10 0 Miami 75 54 69 45 / 30 10 10 0 Naples 71 47 63 41 / 10 0 0 0

MFL WATCHES/WARNINGS/ADVISORIES. FL . High Rip Current Risk until 7 PM EST this evening for FLZ168.

AM . Small Craft Advisory from 4 AM to 8 PM EST Tuesday for AMZ651- 671.

Small Craft Advisory until 8 PM EST Tuesday for AMZ650-670.

GM . Small Craft Advisory until 4 AM EST Tuesday for GMZ656-657-676.

Update . 17/AR


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PEGF1 5 mi61 min 71°F 1019.7 hPa
VAKF1 - 8723214 - Virginia Key, FL 19 mi61 min 74°F 74°F1019.2 hPa
FWYF1 - Fowey Rocks, FL 29 mi73 min N 14 G 15 71°F 77°F1019.6 hPa (+1.6)
LKWF1 - 8722670 - Lake Worth, FL 42 mi55 min 67°F 76°F1019.1 hPa58°F

Wind History for Virginia Key, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fort Lauderdale/Hollywood International Airport, FL4 mi80 minN 1010.00 miMostly Cloudy70°F63°F79%1019.4 hPa
Hollywood, North Perry Airport, FL6 mi80 minNNW 1010.00 miOvercast72°F64°F79%1020.1 hPa
Miami, Opa Locka Airport, FL11 mi80 minN 810.00 miOvercast72°F64°F79%1019.9 hPa
Fort Lauderdale, Fort Lauderdale Executive Airport, FL13 mi80 minNNW 710.00 miOvercast69°F60°F73%1019.9 hPa
Miami, Miami International Airport, FL15 mi80 minVar 610.00 miOvercast73°F64°F74%1019.7 hPa
Pompano Beach, Pompano Beach Airpark, FL17 mi80 minN 810.00 miMostly Cloudy71°F59°F66%1019.7 hPa

Link to 5 minute data for KFLL

Wind History from FLL (wind in knots)
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S10S9S7S7S7SW6SW5W3W4CalmSW3SW3W4W3NW7NW4NW6N7N10N8
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Tide / Current Tables for Hollywood Beach, West Lake, south end, Florida
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Hollywood Beach
Click for Map
Mon -- 03:17 AM EST     Moonrise
Mon -- 06:01 AM EST     2.03 feet High Tide
Mon -- 07:08 AM EST     Sunrise
Mon -- 12:32 PM EST     0.20 feet Low Tide
Mon -- 02:22 PM EST     Moonset
Mon -- 05:54 PM EST     Sunset
Mon -- 06:06 PM EST     1.90 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.3-0.10.30.91.51.921.91.61.20.80.40.20.20.50.91.41.71.91.81.51.10.50.1

Tide / Current Tables for Miami Harbor Entrance, Florida Current
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Miami Harbor Entrance
Click for Map
Mon -- 03:11 AM EST     2.03 knots Max Flood
Mon -- 03:17 AM EST     Moonrise
Mon -- 06:09 AM EST     -0.00 knots Slack
Mon -- 07:08 AM EST     Sunrise
Mon -- 09:48 AM EST     -1.38 knots Max Ebb
Mon -- 11:59 AM EST     0.00 knots Slack
Mon -- 02:22 PM EST     Moonset
Mon -- 03:33 PM EST     1.63 knots Max Flood
Mon -- 05:54 PM EST     Sunset
Mon -- 06:05 PM EST     -0.00 knots Slack
Mon -- 10:03 PM EST     -1.59 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.71.51.821.810.1-0.5-0.9-1.3-1.4-100.91.41.61.610.1-0.7-1.1-1.4-1.6-1.4

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 (11,2,3,4)
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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.