Tuesday, June27, 2017 L-36.com

Marine Weather and Tides
South Palm Beach, FL

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 6:22AMSunset 8:13PM Tuesday June 27, 2017 10:10 PM EDT (02:10 UTC) Moonrise 9:03AMMoonset 10:20PM Illumination 16% Phase: Waxing Crescent; Moon at 4 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
    EDIT      (on/off)   Help
7 Day Forecast for Marine Location Near South Palm Beach, FL
   Hourly   EDIT   Help
location: 26.43, -77.13     debug

Area Discussion for - Miami-South Florida, FL
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxus62 kmfl 280004
area forecast discussion
national weather service miami fl
804 pm edt Tue jun 27 2017

Ir satellite imagery shows convection dwindling across the cwa
with cloud tops slowly warming. However, leftover boundaries from
this evenings storms may trigger a few showers and storms during
the next several hours. Another feature of interest is the line of
thunderstorms pushing northward off of the cuban coast. Short
term models show outflow from this activity possibly interacting
with boundaries near our coast early Wednesday morning. If this
occurs, additional thunderstorms may develop over the atlantic
waters. Will continue to monitor through the night. Previous
forecast package appeared on track, so besides loading in the
latest wind and sky guidance, did not have to teak other forecast

Prev discussion issued 723 pm edt Tue jun 27 2017
aviation... Lingering convection this evening inland of terminals,
but will have to monitor outflow boundaries for additional isolated
development in the vicinity of both kapf and east coast terminals
through 02z. For now, best potential will be at kapf where vcsh
will start the forecast. Light calm winds overnight with dry
forecast expected. Tomorrow looks similar to today with vcts at
all sites beginning 14z-16z as seabreezes develop and move inland.

Tempo groups will likely be needed with later TAF packages as
timing of tsra can be better pinned down.

Prev discussion... Issued 358 pm edt Tue jun 27 2017

latest water vapor imagery loop shows a cyclonic spinning low
over new york state with a longwave trough draped along the
the mid-atlantic. Surface analysis indicates a east- west
oriented stationary boundary sitting stagnant across north-
central florida. This feature has managed to push the bermuda high
eastward, away from our region, resulting in near natural flow.

Thus, well established sea breezes have already developed and
continue to push inland, towards the interior. Satellite derived
pwat values range from 1.7 inches in the southern peninsula to
near 2.0 inches further north. These values are slightly higher
than climo and more than sufficient for heavy, slow moving storms.

With a modified dcape of 1,400 j kg, wet microbursts producing
strong wind gusts are also a possibility. Short term model
guidance progs convection to propagating across the interior
through the early evening. After diurnal heating ceases, activity
should begin to wane. SPC has placed a marginal risk of severe
weather from west palm beach to lake okeechobee, so will continue
to monitor for the remainder of the day. Tomorrow should be a
similar set up, with not much changing synoptically. Light flow
will again lead to sea breeze convergence inland from the coasts.

As the day progresses, outflow boundaries will shift most of the
convection towards the interior. Maximum temperatures tomorrow
are forecast to hover in the upper 80s along the coasts, with
lower 90s inland. These values are around normal to slightly above
normal for this time of year.

Late next week into the weekend: by Thursday, both the GFS and
ecmwf prog the aforementioned front to wash out and retreat
northward. This will allow surface high near bermuda to once again
increase in strength. Stronger southeast flow will begin to
concentrate afternoon convection back towards the western
interior, as sea breeze collision shifts west. Friday into this
weekend, a more typical summertime regime reestablishes itself.

Long range models show an elongated high building aloft over the
peninsula with surface high building near bermuda. This pattern
typically brings persistent southeast flow. Afternoon convection
will most likely occur in the western interior and gulf coast with
night showers affecting the east coast metro region. Pwats
decrease slightly below climo during this time frame, so not
anticipating much in the way of significant heavy rain events.

Marine... Winds and seas should remain below small craft advisory
criteria across the local waters through the forecast period with
mainly light southeasterly flow prevailing. Sea breezes may
enhance winds near the coast to 10-15 knots at times each
afternoon. Only exception will be with any thunderstorm that
forms, which will bring brief periods of strong gusty winds and
rough seas. Waterspouts are also possible, especially in the
morning hours, mainly over the atlantic waters. Seas will be 3
feet or less heading into the weekend.

Preliminary point temps pops
West palm beach 76 91 78 91 40 50 30 50
fort lauderdale 78 90 79 91 30 50 30 40
miami 78 92 79 91 30 50 30 40
naples 76 91 76 91 20 40 20 50

Mfl watches warnings advisories
Fl... None.

Am... None.

Gm... None.

Update... 27 jt
discussion... 27 jt
marine... 27 jt
aviation... 88 alm

Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Boca Raton, Boca Raton Airport, FL157 mi72 minSSW 510.00 miFair82°F75°F79%1015.2 hPa

Wind History from BCT (wind in knots)
Last 24hrS8S5--------------CalmCalmCalm3SE7SE8E8SE8S9S3S8S8S8S5S5
1 day agoSE5SE5--------------5SE46S6S6S10S9S7S9
2 days agoSE10SE7--------------S10CalmS10S8S9SE7SE8SE7

Tide / Current Tables for Pelican Harbour, Abaco Island, Bahamas
   EDIT   RT Ports Option   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Pelican Harbour
Click for Map
Tue -- 05:37 AM EDT     0.34 feet Low Tide
Tue -- 06:17 AM EDT     Sunrise
Tue -- 10:02 AM EDT     Moonrise
Tue -- 11:42 AM EDT     3.49 feet High Tide
Tue -- 05:48 PM EDT     0.50 feet Low Tide
Tue -- 08:04 PM EDT     Sunset
Tue -- 11:19 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Tide / Current Tables for Eleuthera Island (west coast), Bahamas
   EDIT      (on/off)   Help   One Week of Data
Eleuthera Island (west coast)
Click for Map
Tue -- 01:04 AM EDT     3.78 feet High Tide
Tue -- 06:17 AM EDT     Sunrise
Tue -- 07:40 AM EDT     0.43 feet Low Tide
Tue -- 10:01 AM EDT     Moonrise
Tue -- 01:36 PM EDT     3.37 feet High Tide
Tue -- 07:51 PM EDT     0.60 feet Low Tide
Tue -- 07:59 PM EDT     Sunset
Tue -- 11:15 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Weather Map and Satellite Images
       (on/off)   Help
Weather Map
IR Satellite Image from GEOS

GOES Local Image of Southeast    EDIT

Wind Forecast for Miami-South Florida, FL (22,6,7,8)
      (on/off)   Help

Ground Weather Radar Station Miami, FL
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

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.