Monday, March30, 2020
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Marine Weather and Tides
Gulf Stream, 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 7:11AMSunset 7:37PM Monday March 30, 2020 10:05 AM EDT (14:05 UTC) Moonrise 10:14AMMoonset 12:00AM Illumination 39% Phase: Waxing Crescent; Moon at 6 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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AMZ650 Coastal Waters From Jupiter Inlet To Deerfield Beach Fl Out 20 Nm- Waters From Jupiter Inlet To Deerfield Beach Fl From 20 To 60 Nm- 930 Am Edt Mon Mar 30 2020
Rest of today..South southeast winds 5 to 10 knots. Seas around 2 feet. Period 9 seconds. Intracoastal waters a light chop.
Tonight..South winds 5 to 10 knots. Seas around 2 feet. Period 9 seconds becoming 3 seconds after midnight. Intracoastal waters a light chop.
Tuesday..South southwest winds 5 to 15 knots along the coast to south southwest 10 to 20 knots in the gulf stream. Seas around 2 feet. Period 3 seconds. Intracoastal waters a moderate chop.
Tuesday night..West southwest winds 10 to 15 knots with gusts to around 20 knots along the coast to west southwest 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. Period 4 seconds. Intracoastal waters a moderate chop.
Wednesday..West northwest winds 10 to 20 knots becoming north northwest 10 to 15 knots in the evening. Seas around 2 feet along the coast and 3 to 5 feet with occasional to 6 feet in the gulf stream. Intracoastal waters a moderate chop. Chance of showers in the morning, then slight chance of showers.
Wednesday night..North northeast winds 10 to 15 knots along the coast to north northeast 10 to 15 knots with gusts to around 20 knots in the gulf stream. Seas 2 to 3 feet along the coast and 4 to 6 feet with occasional to 8 feet in the gulf stream. Intracoastal waters a light chop.
Thursday and Thursday night..East northeast winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas to 8 feet along the coast and 5 to 7 feet with occasional to 9 feet in the gulf stream. North northeast swell 4 feet. Intracoastal waters a moderate chop.
Friday..East northeast winds around 10 knots. Seas 4 to 6 feet with occasional seas to 8 feet. North northeast swell 3 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- 930 Am Edt Mon Mar 30 2020
Synopsis.. Generally benign marine conditions are expected for the next couple of days. A cold front is forecast to push across the waters on Wednesday, with a northeasterly swell bringing increasing waves in its wake.
Gulf stream hazards..None. The approximate location of the west wall of the gulf stream as of mar 28, 2020 at 1200 utc... 16 nautical miles east of fowey rocks. 23 nautical miles east of port everglades. 19 nautical miles east of lake worth. 18 nautical miles east of jupiter inlet. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Gulf Stream, FL
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location: 26.46, -79.95     debug


Area Discussion for - Miami-South Florida, FL
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FXUS62 KMFL 301342 AFDMFL

Area Forecast Discussion National Weather Service Miami FL 942 AM EDT Mon Mar 30 2020

Update. Another warm day in store across South Florida with high temperatures in the mid 80s along the East coast to the low/mid 90s across the interior this afternoon.

Prev Discussion. /issued 713 AM EDT Mon Mar 30 2020/

Aviation . Generally VFR conditions are expected through the period with some fog possible across the interior this morning and again overnight tonight. Winds will become more south-southwesterly tomorrow as a cold front pushes towards the area.

Prev Discussion . /issued 342 AM EDT Mon Mar 30 2020/

DISCUSSION .

Short Term (Today through Wednesday) . Monday will be another warm, sunny day with light southeasterly surface wind flow provided courtesy of Atlantic high pressure. Aloft, a mid-level high stretches across a good portion of the Gulf of Mexico and the Greater Antilles. For today, this means another potential for records to be threatened, particularly at Naples where the record for today is only 88 degrees. The east coast climate sites should benefit from a sea breeze before peak diurnal heating but the records for them sit in the lower 90s for today.

The pattern begins to shift tonight as the next low pressure system emerges over the southern plains. A mid-level trough will progress eastward through the Lower Mississippi and Tennessee River valleys by Tuesday's conclusion. This will cause the surface high pressure in the Atlantic to retreat eastward and push the mid-level high's influence southward. With this, the surface flow will turn southwesterly and pick up as the gradient tightens ahead of the approaching front.

Temperatures on Tuesday will be a few degrees cooler in Southwest Florida but Southeast Florida could still see temperatures in the upper 80s as the southeasterly flow pattern gives the airmass plenty of time over the peninsula to warm during the heating of the day. Rain chances will also begin to increase late Tuesday into Wednesday as the available moisture increases and the atmospheric features in play across the region arrive. The main feature of interest is the front that will enter the region Tuesday night and push into the Atlantic by the end of Wednesday. Timing of the front has been trending a bit faster lately, but kept some PoPs in longer with this forecast than guidance due to some uncertainty with the timing and characteristics of the parent mid-level feature that could impact the timing of frontal passage for South Florida.

Shower and thunderstorm chances remain in the forecast. While widespread thunderstorms are not anticipated, we will continue to keep an eye on the timing and characteristics of the different synoptic and mesoscale features which could come into play with this frontal passage. One of those features is the amplitude of the mid- level trough and how far south it ends up developing to. The surface low that develops and eventually pushes into the Atlantic off the Carolinas is another feature which could evolve in the forecast and a more southerly track could produce a higher chance of thunderstorms for our region. Diving into the smaller features, any remnant boundaries that may be lingering or the coastal influences along the Atlantic coast could also serve to enhance convection and permit thunderstorms.

Long Term (Wednesday night through Sunday):

Although model solutions have accelerated somewhat the progression of the frontal boundary on Wednesday, a few showers could still linger over the southern-most portions of SoFlo in its wake. Minimal POPS will be kept for Wed evening for those locations, then drier air advection begins across the region with winds acquiring a northerly component behind the FROPA.

Expect another round of drier, cooler and more stable air settling across the area on Thursday with highs in the low-mid 80s by Friday. For the weekend, long range models are becoming more consistent in depicting another, stronger trough system over the SE CONUS, which sends a couple of short wave impulses aloft across the area. POPS increase on Saturday with moisture advection brought by winds veering to the SSE ahead of a front, but in the 20-30 percent range attm. Then for Sunday, a secondary stronger impulse may push POPS into the 30-40 percent range, and with slightly better upper level support for a few storms to develop. But the overall expected scenario for the weekend will continue to evolve with each model run and timing/coverage/potential impacts will surely be adjusted as necessary.

MARINE . High pressure will be in place across the waters through Monday with generally light SE flow in place and turning onshore near the coast each afternoon. The ridge will shift south on Tuesday, with a cold front moving through the waters Tuesday night/Wednesday, increasing winds a bit and turning them from the S/SW to the NW behind the front. High pressure then builds through the end of the week, with winds quickly returning to the E/SE with afternoon sea breezes. No headlines are expected.

FIRE WEATHER . Humidities will be marginal today, but continuing to increase across the area. No concerns through Tuesday.

Preliminary Point Temps/PoPs. West Palm Beach 85 69 88 71 / 0 0 10 10 Fort Lauderdale 85 72 87 73 / 0 0 10 10 Miami 86 70 87 71 / 0 0 10 10 Naples 85 70 85 71 / 0 0 10 30

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

Update . 32/MM


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LKWF1 - 8722670 - Lake Worth, FL 11 mi53 min S 7 G 8 77°F 76°F1020.2 hPa
PEGF1 27 mi53 min SE 7 G 8.9 79°F 1020.5 hPa
VAKF1 - 8723214 - Virginia Key, FL 52 mi47 min E 5.1 G 7 79°F 81°F1021.2 hPa

Wind History for Lake Worth Pier, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Boca Raton, Boca Raton Airport, FL10 mi18 minSSE 38.00 miPartly Cloudy82°F69°F66%1021.3 hPa
Pompano Beach, Pompano Beach Airpark, FL17 mi12 minSSE 610.00 miPartly Cloudy85°F68°F57%1021.2 hPa
West Palm Beach - Palm Beach International Airport, FL18 mi12 minS 410.00 miPartly Cloudy82°F69°F65%1021.4 hPa
Fort Lauderdale, Fort Lauderdale Executive Airport, FL21 mi12 minS 310.00 miPartly Cloudy81°F66°F62%1021.2 hPa

Link to 5 minute data for KBCT

Wind History from BCT (wind in knots)
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Tide / Current Tables for Delray Beach, ICWW, Florida
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Delray Beach
Click for Map
Mon -- 12:21 AM EDT     Moonset
Mon -- 02:30 AM EDT     2.36 feet High Tide
Mon -- 07:12 AM EDT     Sunrise
Mon -- 08:58 AM EDT     0.55 feet Low Tide
Mon -- 11:14 AM EDT     Moonrise
Mon -- 02:29 PM EDT     2.19 feet High Tide
Mon -- 07:36 PM EDT     Sunset
Mon -- 09:15 PM EDT     0.14 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.522.32.32.11.81.30.90.70.60.711.51.92.22.221.61.10.70.30.10.20.6

Tide / Current Tables for South Delray Beach, ICWW, Florida
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South Delray Beach
Click for Map
Mon -- 12:20 AM EDT     Moonset
Mon -- 02:27 AM EDT     2.34 feet High Tide
Mon -- 07:12 AM EDT     Sunrise
Mon -- 08:50 AM EDT     0.55 feet Low Tide
Mon -- 11:14 AM EDT     Moonrise
Mon -- 02:26 PM EDT     2.17 feet High Tide
Mon -- 07:36 PM EDT     Sunset
Mon -- 09:07 PM EDT     0.14 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.622.32.32.11.71.30.90.60.60.71.11.51.92.12.11.91.51.10.60.30.10.20.6

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Miami-South Florida, FL (10,2,3,4)
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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.