Monday, December9, 2019
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Marine Weather and Tides
Gulf Stream, FL

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:55AMSunset 5:29PM Monday December 9, 2019 4:17 AM EST (09:17 UTC) Moonrise 3:51PMMoonset 4:20AM Illumination 93% Phase: Waxing Gibbous; Moon at 12 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- Coastal Waters From Deerfield Beach To Ocean Reef Fl Out 20 Nm- Waters From Jupiter Inlet To Deerfield Beach Fl From 20 To 60 Nm- Waters From Deerfield Beach To Ocean Reef Fl From 20 To 60 Nm Excluding The Territorial Waters Of Bahamas- 338 Am Est Mon Dec 9 2019
Today..East southeast winds around 10 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Period 8 seconds. Intracoastal waters a light chop. Slight chance of sprinkles in the afternoon.
Tonight..Southeast winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Period 8 seconds. Intracoastal waters a moderate chop. Slight chance of sprinkles in the evening. Slight chance of showers after midnight.
Tuesday..Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Period 6 seconds. Intracoastal waters a moderate chop.
Tuesday night..Southeast winds 5 to 10 knots along the coast to southeast 10 to 15 knots in the gulf stream. Seas 2 to 3 feet. Period 5 seconds. Intracoastal waters a moderate chop. Slight chance of showers after midnight.
Wednesday..Southeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. Chance of showers.
Wednesday night..East winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. Chance of showers.
Thursday..East winds 10 to 15 knots. Seas around 2 feet. Intracoastal waters a moderate chop. Chance of showers.
Thursday night and Friday..East southeast winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas to 8 feet along the coast and 5 to 7 feet with occasional to 10 feet in the gulf stream. North northeast swell 4 feet. Intracoastal waters a moderate chop. Chance of 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- 338 Am Est Mon Dec 9 2019
Synopsis..A high pressure system will remain centered north of the coastal waters through the work week, keeping generally southeast winds in place, breezy at times. Hazardous boating conditions are expected later in the week as strong ridge of high pressure off the east coast generates swells that are forecast to start impacting the atlantic waters by Friday.
Gulf stream hazards..SEas are forecast to build above 7 feet particularly across the palm beach gulf stream waters by late this week. The approximate location of the west wall of the gulf stream as of dec 07, 2019 at 1200 utc... 9 nautical miles east of fowey rocks. 17 nautical miles east of port everglades. 15 nautical miles east northeast of lake worth. 17 nautical miles east southeast 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 090833 AFDMFL

Area Forecast Discussion National Weather Service Miami FL 333 AM EST Mon Dec 9 2019

Short Term. (Today-Tuesday night): Model solutions are in fair agreement regarding the eastward progression of a broad high pressure system over the west Atlantic, bringing its SW periphery closer to SoFlo. This will translate in veering winds to a more SE flow today. And while the atmosphere remains relatively stable, any onshore flow that develops this afternoon could generate brief showers, especially over the Atlantic metro areas where the best pool of moisture resides.

The southerly component of the wind regime will help in further warm up afternoon temperatures today with highs in the low to mid 80s, warmer near the Gulf coast.

For Tuesday . the mid level ridge ENE of the area will further migrate east as an amplifying trough and associated long frontal system will stretch across much of the SE and mid Atlantic states. The Florida peninsula will then remain in its warm sector. Model soundings suggests gradually increasing PWATs to around 1.5 inches as, although still there is no significant lifting mechanism for maybe a few afternoon and/or evening brief showers at best.

The air mass will become moist and warm, and with overall flow remaining weak to moderate, Tuesday afternoon could feel muggy and uncomfortable at times, especially over interior and west Coast areas. This will further push afternoon highs into warmer values, with low-mid 80s over the eastern half of SoFlo, and in the upper 80s for the west-interior and Gulf coast.

Long Term. Wednesday and Thursday .

As we get to mid-week an upper level trough will be moving across the eastern US with an attendant cold front approaching the region Wednesday slowly moving down the peninsula. Models have come into better agreement of this front not making it to South Florida stalling just north of the region. With a stalled boundary in the vicinity, and moisture continuing to be advected in across the area this will allow for increased rain chances with scattered showers across South Florida Wednesday and Thursday.

Friday into Next Weekend .

A mid-level short wave moving into the Gulf, with a surface low developing in the Gulf of Mexico along the stalled out surface boundary. This low will continue to allow moisture to be elevated across the area as it is picked up by an upper level trough digging down the eastern US into north/central Florida and ejected northeastward up the eastern seaboard. Scattered showers across the region will continue to be possible. However, with the proximity of the low and how far south the mid-upper level trough digs south may allow for enough upper level dynamic instability to support some thunderstorm potential Friday into Saturday. As of now best dynamics look to remain north of the region so have left out the mention of thunder for now but it may need to be added in subsequent forecast if dynamic upper level support gets close enough to South Florida.

As the surface low deepens as it moves up the eastern seaboard it will allow a cold front to develop to its south. Models have this front moving through the region Saturday night into Sunday. Showers will be possible ahead of and along the front. No real cooler air behind this front but some drier air does try to filter down the peninsula.

Temperatures throughout the long term will remain at or above normal throughout the period.

Marine. Winds turn more southeasterly today with possible breezy periods, along with seas to 3-5 feet. Locally higher seas are possible over the Gulf Stream. Similar pattern continues on Tuesday, before a weather system approaches the area by mid week. Deteriorating marine conditions during the second half of the work week will result in hazardous boating conditions as winds, waves and shower activity increase. A large northerly swell will affect the northern portions of the Atlantic waters for the Thursday-early Friday time frame.

Aviation. VFR expected to prevail during the next 24 hours at all terminals. Light ESE winds will increase to around 10kt after 14-15Z, except APF where sea breeze circulations will veer winds to the SW around 10kt in the afternoon

Preliminary Point Temps/PoPs. West Palm Beach 81 69 82 69 / 10 20 20 10 Fort Lauderdale 81 72 82 72 / 0 20 10 10 Miami 81 71 83 71 / 0 20 10 10 Naples 81 66 83 67 / 0 0 0 10

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

Marine . 17/AR Aviation . 17/AR Short Term . 17/AR Long Term . 33/Kelly


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LKWF1 - 8722670 - Lake Worth, FL 11 mi47 min SE 7 G 9.9 75°F 77°F1020.5 hPa
PEGF1 27 mi47 min ESE 7 G 9.9 1019.4 hPa
VAKF1 - 8723214 - Virginia Key, FL 52 mi47 min ESE 6 G 8 74°F1018.8 hPa

Wind History for Lake Worth Pier, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Pompano Beach, Pompano Beach Airpark, FL17 mi24 minSE 67.00 miPartly Cloudy73°F62°F69%1019.2 hPa
West Palm Beach - Palm Beach International Airport, FL18 mi24 minN 010.00 miPartly Cloudy63°F59°F87%1019.4 hPa
Fort Lauderdale, Fort Lauderdale Executive Airport, FL21 mi24 minN 010.00 miA Few Clouds63°F61°F93%1019.4 hPa

Link to 5 minute data for KBCT

Wind History from BCT (wind in knots)
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Last 24hr----------------------------------------E8E8E7E7
1 day ago--------------N4N5N5N5N6N6N6E5E7E5NE4NE6NE4--------
2 days ago----------------N4N3N3E5E5SE8SE5E6E4SE4E5CalmCalmCalm4NW4

Tide / Current Tables for Delray Beach, ICWW, Florida
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Delray Beach
Click for Map
Mon -- 01:48 AM EST     0.31 feet Low Tide
Mon -- 04:21 AM EST     Moonset
Mon -- 06:56 AM EST     Sunrise
Mon -- 07:48 AM EST     2.86 feet High Tide
Mon -- 02:17 PM EST     0.67 feet Low Tide
Mon -- 03:51 PM EST     Moonrise
Mon -- 05:28 PM EST     Sunset
Mon -- 07:48 PM EST     2.73 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.40.30.51.11.72.32.82.92.72.31.81.30.90.70.81.11.72.22.62.72.52.11.5

Tide / Current Tables for South Delray Beach, ICWW, Florida
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South Delray Beach
Click for Map
Mon -- 01:41 AM EST     0.31 feet Low Tide
Mon -- 04:21 AM EST     Moonset
Mon -- 06:56 AM EST     Sunrise
Mon -- 07:45 AM EST     2.83 feet High Tide
Mon -- 02:09 PM EST     0.67 feet Low Tide
Mon -- 03:51 PM EST     Moonrise
Mon -- 05:28 PM EST     Sunset
Mon -- 07:45 PM EST     2.70 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.40.30.61.11.82.32.72.82.62.21.71.20.80.70.81.21.72.22.62.72.52.11.5

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 (4,6,7,8)
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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 numerious 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.