Sunday, November18, 2018 L-36.com


Marine Weather and Tides
Gulf Stream, FL

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:40AMSunset 5:30PM Sunday November 18, 2018 11:29 AM EST (16:29 UTC) Moonrise 2:50PMMoonset 2:08AM Illumination 81% Phase: Waxing Gibbous; Moon at 11 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- 1016 Am Est Sun Nov 18 2018
Rest of today..East northeast winds 5 to 10 knots. Seas 2 to 3 feet. Period 4 seconds. Intracoastal waters a light chop.
Tonight..East winds 5 to 10 knots. Seas 2 to 3 feet. Period 4 seconds. Intracoastal waters a light chop.
Monday..Northeast winds 5 to 10 knots. Seas around 2 feet. Period 4 seconds. Intracoastal waters a light chop.
Monday night..East northeast winds 5 to 10 knots. Seas around 2 feet. Period 4 seconds. Intracoastal waters a light chop. A slight chance of showers after midnight.
Tuesday and Tuesday night..North northeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. A chance of showers.
Wednesday..Northeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. A chance of showers.
Wednesday night..Northeast winds 10 to 15 knots. Seas around 2 feet. Intracoastal waters a moderate chop. A chance of showers.
Thursday..East northeast winds 5 to 10 knots along the coast to east northeast 10 to 15 knots in the gulf stream. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A 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- 1016 Am Est Sun Nov 18 2018
Synopsis..High pressure ridge will remain north of the region through much of the week maintaining an east to northeast wind regime across the south florida waters.
Gulf stream hazards..None. The approximate location of the west wall of the gulf stream as of nov 17, 2018 at 1200 utc... 9 nautical miles northeast of fowey rocks. 11 nautical miles east of port everglades. 12 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 181223
afdmfl
area forecast discussion
national weather service miami fl
723 am est Sun nov 18 2018

Update
Latest sndg continues to show a couple of low level inversions one
based around 4200 ft and another stronger one based around 8600
feet. This will continue to erode but slowly during the day as
high pressure ridge continues in control to our north. But it does
explain the low level cloud decks based around 8-9 kft and lower
currently observed across the region. Given lack of depth in the
clouds, and stability of the thermodynamic profile, decided to
eliminate any mention of rain from forecast through at least early
this afternoon and will re assess later again. As it is, any rain
that is observed later today should be very light in nature, more
like sprinkles, and confined mostly to areas south and west of
the region and mainly portions of southwest coast around mainland
monroe county and surrounding areas. Other than that, rest of
forecast looks good.

Aviation
MostlyVFR conditions at all sites through next 24 hours outside
periods of borderline MVFR ceilings associated with low stratocu
decks. Winds should for the most part be out of the ene around
5-10 knots with periods of 10-15 kts during daytime today.

Prev discussion issued 233 am est Sun nov 18 2018
discussion...

mostly quiet, slightly warmer day in store, as high pressure
slides by, north of the area. A very weak 500mb shortwave, and a
weak inverted surface trough will introduce at least a slight
chance of some shower activity, mainly over the gulf waters, and
southwest florida. Some light showers may push into the miami-dade
and ft lauderdale metro area by late afternoon. This activity
should come to an end in the evening hours. Temperatures will be
in a slow warming trend.

By Tuesday, a 500mb trough is progged to move across the eastern
us. This upper level feature should spawn a surface low over the
mid-atlantic states. This low would drag a very weak cold front
through the area Tuesday. This front will barely be reflected in
the temperatures, or even the dew points. It will help to bring a
chance of showers to much of the area on Tuesday, but otherwise,
not really noticeable. But it does push through the area, and
stalls just to the south. This boundary looks to become a more
important player later in the week. The ECMWF does have the front
stalling a little further to the north, which would keep a
mention of showers for a good portion of the area on Wednesday.

Given the uncertainty, went ahead and kept chance pops for the
atlantic and its adjacent coast. Showers are much less likely
along the gulf coast Wednesday.

For the second half of the week, both the GFS and the ecmwf
develop a surface low over the northwest gulf coast. The ECMWF is
somewhat more optimistic with the low, but again, they GFS has it
as well. They both pick up the stalled boundary and bring it back
north as a warm front. So this lends a little more confidence in
a chance of showers for the second half of the week. There may be
a few thunderstorms over the atlantic waters, but the chance is
pretty low, and kept mention off the mainland at this time.

The front lifting back to the north should keep plenty of cloud
cover over the area for Thursday and Friday, keeping the high
temperatures a little lower than in the beginning of the week, but
still generally in the 80s.

The models show the system pushing through the area by late
Saturday, bringing a return of drier weather for the remainder of
the weekend.

Marine...

high pressure to the north, will keep the weather mostly quiet
for a good portion of the area. Some shower activity is possible
today, mainly for the gulf waters. Some showers have a small
chance of moving into the near shore atlantic waters as well.

Especially just north of key largo. The wind is forecast to
maintain the northeasterly direction varying between 5 and 15 kts.

Seas will continue to slowly subside over the next couple of days,
with up to a foot in the gulf by tonight, and 1 to 2 feet in the
atlantic.

With the northeast wind between 10 and 15 kts, there will be an
elevated risk of rip currents for the atlantic beaches.

Aviation...

vfr conditions will prevail throughout the forecast period.

Northeast winds will remain at about 5 kts across all terminals
through the rest of the overnight hours. These winds will increase
to near 10 knots by late Sunday morning and they will remain out
of the northeast. Dry conditions are expected to continue throughout
the day across all terminals.

Preliminary point temps pops
West palm beach 82 65 82 64 10 20 20 10
fort lauderdale 82 72 83 71 10 10 20 10
miami 81 70 83 70 10 10 20 10
naples 83 67 85 68 10 20 20 20

Mfl watches warnings advisories
Fl... None.

Am... None.

Gm... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LKWF1 - 8722670 - Lake Worth, FL 11 mi41 min E 8 G 12 78°F 80°F1021.9 hPa
PEGF1 27 mi47 min E 8.9 G 14 80°F 1020.3 hPa
VAKF1 - 8723214 - Virginia Key, FL 52 mi41 min ENE 8 G 11 79°F 78°F1020 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 mi94 minE 1010.00 miPartly Cloudy81°F64°F58%1020.7 hPa
Pompano Beach, Pompano Beach Airpark, FL17 mi36 minE 810.00 miA Few Clouds82°F64°F56%1020.5 hPa
West Palm Beach - Palm Beach International Airport, FL18 mi36 minE 810.00 miMostly Cloudy80°F63°F56%1020.9 hPa
Fort Lauderdale, Fort Lauderdale Executive Airport, FL21 mi36 minE 1010.00 miPartly Cloudy82°F66°F60%1020.6 hPa

Wind History from BCT (wind in knots)
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E10--------------E7E7E10E10E10
1 day agoN11NE12N12N13
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2 days agoNW10--N10N7N7NW8N12
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Tide / Current Tables for Delray Beach, ICWW, Florida
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Delray Beach
Click for Map
Sun -- 12:07 AM EST     0.94 feet Low Tide
Sun -- 02:09 AM EST     Moonset
Sun -- 05:57 AM EST     2.75 feet High Tide
Sun -- 06:41 AM EST     Sunrise
Sun -- 12:28 PM EST     1.00 feet Low Tide
Sun -- 02:50 PM EST     Moonrise
Sun -- 05:29 PM EST     Sunset
Sun -- 06:12 PM EST     2.84 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.911.41.82.32.62.72.62.421.51.2111.31.72.22.62.82.82.52.11.61.1

Tide / Current Tables for South Delray Beach, ICWW, Florida
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South Delray Beach
Click for Map
Sun -- 02:09 AM EST     Moonset
Sun -- 05:54 AM EST     2.72 feet High Tide
Sun -- 06:41 AM EST     Sunrise
Sun -- 12:20 PM EST     1.00 feet Low Tide
Sun -- 02:50 PM EST     Moonrise
Sun -- 05:29 PM EST     Sunset
Sun -- 06:09 PM EST     2.81 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.91.11.41.92.32.62.72.62.31.91.51.211.11.31.82.32.62.82.72.421.51.1

Weather Map and Satellite Images
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wmap_A
GOES 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.
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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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Disclaimer:
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.