Thursday, February20, 2020
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Marine Weather and Tides
Jupiter, 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 6:51AMSunset 6:16PM Thursday February 20, 2020 6:45 AM EST (11:45 UTC) Moonrise 4:59AMMoonset 3:44PM Illumination 11% Phase: Waning Crescent; Moon at 26 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- 319 Am Est Thu Feb 20 2020
Today..South southeast winds 10 to 15 knots. Seas around 2 feet. Period 4 seconds. Intracoastal waters a light chop. Slight chance of showers in the morning. Chance of showers in the afternoon.
Tonight..Along the coast, southwest winds 5 to 10 knots, seas 2 to 3 feet. West northwest after midnight. In the gulf stream, southwest winds 10 to 15 knots, seas 2 to 3 feet building to 3 to 5 feet with occasional seas to 6 feet after midnight. Gusts up to 25 knots in the gulf stream. Period 9 seconds. Intracoastal waters a moderate chop. Chance of showers.
Friday..North northwest winds 15 to 25 knots with gusts to around 35 knots. Along the coast, seas 4 to 6 feet with occasional seas to 8 feet. In the gulf stream, seas 5 to 7 feet with occasional seas to 9 feet building to 9 to 11 feet with occasional seas to 14 feet in the afternoon. Period 6 seconds. North swell 3 feet in the afternoon. Intracoastal waters a moderate chop. Chance of showers in the morning, then showers likely in the afternoon.
Friday night..North northeast winds 20 to 25 knots with gusts to around 35 knots. Seas 8 to 10 feet with occasional seas to 13 feet along the coast and 12 to 14 feet with occasional to 18 feet in the gulf stream. Period 9 seconds. North swell 3 to 8 feet. Intracoastal waters a moderate chop. Showers likely.
Saturday..Northeast winds 20 to 25 knots with gusts to around 30 knots. Seas 9 to 11 feet with occasional seas to 14 feet along the coast and 12 to 14 feet with occasional to 18 feet in the gulf stream. North swell 4 to 9 feet. Intracoastal waters rough in exposed areas. Chance of showers.
Saturday night..East northeast winds around 15 knots with gusts to around 20 knots along the coast to east northeast 15 to 20 knots with gusts to around 25 knots in the gulf stream. Seas 10 to 12 feet with occasional seas to 15 feet subsiding to 8 to 10 feet with occasional seas to 13 feet after midnight. North northeast swell 3 to 8 feet. Intracoastal waters choppy in exposed areas.
Sunday..East winds 15 to 20 knots with gusts to around 25 knots. Seas 7 to 9 feet with occasional seas to 11 feet subsiding to 5 to 7 feet with occasional seas to 9 feet in the afternoon. Northeast swell 3 to 5 feet becoming 4 feet in the afternoon. Intracoastal waters choppy in exposed areas.
Sunday night..East southeast winds around 15 knots with gusts to around 20 knots. Seas 4 to 6 feet with occasional seas to 8 feet. Northeast swell 3 feet in the evening. Intracoastal waters a moderate chop.
Monday..Southeast winds 15 to 20 knots with gusts to around 25 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Intracoastal waters choppy in exposed areas.
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 Thu Feb 20 2020
Synopsis..Generally light to moderate winds and seas can be expected today. Cannot rule out isolated pockets of showers over the next day or two. As a cold frontal boundary slides through late in the week, shower coverage should increase. In addition, hazardous winds and seas can be expected behind the cold frontal boundary with some wind gusts approaching gale force at times, especially across the atlantic waters.
Gulf stream hazards..High winds and seas developing late this week and into the upcoming weekend. The approximate location of the west wall of the gulf stream as of feb 20, 2020 at 1200 utc... 8 nautical miles east northeast of fowey rocks. 11 nautical miles east of port everglades. 11 nautical miles east northeast of lake worth. 12 nautical miles east of jupiter inlet. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Jupiter, FL
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location: 26.91, -80.08     debug


Area Discussion for - Miami-South Florida, FL
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FXUS62 KMFL 201127 AFDMFL

Area Forecast Discussion National Weather Service Miami FL 627 AM EST Thu Feb 20 2020

Aviation. Primarily VFR conditions across South Florida and all terminals throughout the period. Patchy fog has developed across inland South Florida this morning and should dissipate around sunrise. Isolated showers are forecast across the eastern portions of South Florida today, however, coverage will be too low to include in the TAFS at this time. Cigs and vis should remain MVFR to VFR with any showers that develop.

Prev Discussion. /issued 408 AM EST Thu Feb 20 2020/

Short Term (Thursday through Saturday Morning) .

The mid/upper-level ridge that has been in place over South Florida is becoming elongated as it weakens and shifts southward ahead of an approaching cold frontal boundary from the northwest.

Thursday .

Surface winds will veer from a southeasterly direction to a southwesterly direction while sufficient boundary layer moisture remains in place across South Florida today. A strong mid-level capping inversion should keep any shower activity confined to the lowest 5,000 feet of the atmosphere. The greatest shower coverage is forecast to be over the eastern portions of South Florida, while some showers may advect inland with the mean steering flow this afternoon. High temperatures will be in the upper 80s across the Gulf Coast and inland South Florida, while the eastern areas will experience the low to mid 80s.

Friday through Saturday morning .

Winds will start out from the west on Friday morning and quickly veer to the north/northwest behind the aforementioned cold frontal boundary. The pressure gradient will rapidly tighten from north to south across the region, leading to wind gusts of 20 to 30 mph along the coastal interfaces of South Florida Friday afternoon. Isolated to scattered showers will be possible throughout the day, especially along the Atlantic coast of South Florida. Model solutions indicate the presence of a weak mid-level capping inversion which should keep most shower activity shallow on Friday. High temperatures will only reach the low to mid 70s due to the northerly winds advecting cold/dry air into the region and extensive cloud coverage.

The pressure gradient will remain relatively tight on Saturday, leading to another day of gusty winds, especially along the coastal interfaces of South Florida. Winds will remain out of the north before becoming northeasterly throughout the day. A chance of rain showers will remain possible on Saturday, especially along the Atlantic coast of South Florida. Low temperatures on Saturday morning will be in the upper 40s to low 50s near Lake Okeechobee and inland South Florida, while the eastern areas will experience the upper 50s to low 60s.

Long Term (Saturday through Wednesday) .

Behind the front on Saturday will be a drying trend though some convection could linger over the east coast metro and Atlantic waters with the mid-level trough over the Bahamas to start the weekend. Surface high pressure building back into the region will create a strong northeasterly flow that will keep temperatures from dropping too much with highs on Saturday reaching into the lower to mid 70s and some 50s sneaking into Southwest Florida and inland portions of South Florida on Sunday morning. Moderated temperatures near climatological norms will remain to start the work week. Wind speeds over the weekend could be fairly strong with wind gusts near the coast near gale possible. Will need to continue monitoring forecast trends in case a wind advisory were to become necessary for portions of the weekend.

The surface high will slide eastward into the Atlantic to kick off the work week, which will turn the flow more easterly to close out the weekend and then more southeasterly early in the week. this wind flow will allow a gradual warming and moistening trend. The next low pressure system will emerge over the central United States late Monday into Tuesday as a mid-level trough pushes into the Great Lakes with the associated surface cold front pushing through the southern tier of the country into the Gulf of Mexico. As the parent low pushes northeastward Tuesday into Wednesday, the cold front will move into Florida from northwest to southeast with the front pushing through South Florida to close out the extended forecast period. Confidence on timing, potential impacts, and the strength of the features connected to the front remains moderate, aided by consistency between different guidance members but we must remember that it is still at the end of the period where small feature changes can have large impacts to the forecast.

Marine .

A front will push across the region late in the week with strong winds, elevated seas, and swell in its wake. Hazardous marine conditions will develop by the weekend with at least Small Craft Advisory conditions expected. Some portions of the Atlantic could see winds approaching Gale force due to a tightening gradient flow with high pressure settling into the southeastern quarter of the United States. Seas could reach 10 to 15 feet as swell from a low developing off the Carolinas pushes into the local waters this weekend. The hazardous conditions could linger into early next week in the Atlantic waters off South Florida.

Beach Forecast .

Increasing swell and building northeasterly winds will create a high risk of rip currents for much of the weekend along with the potential for high surf and beach erosion along the Atlantic beaches. These hazardous beach conditions could linger into early next week as well.

Another concern is the potential for coastal flooding with high tide due to the new moon this weekend. The northeasterly to easterly wind, persistent swell, and high seas will contribute to the potential for higher-than-normal tides which could create minor coastal impacts for at least this weekend.

Prev Discussion . /issued 109 AM EST Thu Feb 20 2020/

Aviation .

Generally VFR conditions across South Florida and all terminals throughout the period. MVFR cigs may develop overnight tonight into tomorrow morning across inland areas and the Gulf Coast of South Florida. Confidence in impacts remain to low to include in the KAPF TAF at this time. Isolated showers along the Atlantic coastline of South Florida are possible tomorrow afternoon through the evening, however, cigs and vis should remain MVFR to VFR.

Preliminary Point Temps/PoPs. West Palm Beach 85 65 71 59 / 30 30 40 40 Fort Lauderdale 83 68 75 61 / 30 30 30 30 Miami 85 67 76 59 / 20 20 20 30 Naples 85 63 72 51 / 10 10 10 0

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

Aviation . 18/Weinman


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LKWF1 - 8722670 - Lake Worth, FL 21 mi45 min 77°F 78°F1017.9 hPa (-0.0)
41114 - Fort Pierce, FL (134) 45 mi45 min 75°F2 ft
SPGF1 - Settlement Point, GBI 59 mi45 min SE 5.1 G 6 75°F 1019.2 hPa (-0.0)

Wind History for Lake Worth Pier, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
West Palm Beach - Palm Beach International Airport, FL16 mi52 minN 010.00 miPartly Cloudy73°F68°F84%1019 hPa
Witham Field Airport, FL20 mi50 minN 010.00 miFair70°F66°F88%1019.3 hPa

Link to 5 minute data for KPBI

Wind History from PBI (wind in knots)
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2 days agoCalmCalmCalmS4CalmNE3SE6SE11SE12
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Tide / Current Tables for Lake Worth Creek, Day Beacon 19, ICWW, Loxahatchee River, Florida
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Lake Worth Creek
Click for Map
Thu -- 12:55 AM EST     -0.24 feet Low Tide
Thu -- 04:59 AM EST     Moonrise
Thu -- 06:52 AM EST     Sunrise
Thu -- 07:03 AM EST     2.01 feet High Tide
Thu -- 01:31 PM EST     0.15 feet Low Tide
Thu -- 03:44 PM EST     Moonset
Thu -- 06:15 PM EST     Sunset
Thu -- 07:08 PM EST     1.86 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.1-0.2-0.10.30.91.41.821.91.61.20.80.40.20.20.40.81.31.71.91.81.510.5

Tide / Current Tables for Boy Scout Dock, Loxahatchee River, Florida
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Boy Scout Dock
Click for Map
Thu -- 01:44 AM EST     -0.27 feet Low Tide
Thu -- 04:59 AM EST     Moonrise
Thu -- 06:53 AM EST     Sunrise
Thu -- 07:35 AM EST     2.01 feet High Tide
Thu -- 02:20 PM EST     0.17 feet Low Tide
Thu -- 03:44 PM EST     Moonset
Thu -- 06:15 PM EST     Sunset
Thu -- 07:40 PM EST     1.86 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0-0.2-0.3-00.51.11.6221.81.51.10.70.30.20.20.511.51.81.91.71.30.9

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 (6,6,7,8)
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Ground Weather Radar Station Melbourne, 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.