Sunday, May20, 2018 L-36.com


Marine Weather and Tides
Villa Pancho, TX

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
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.

Sunrise 6:40AMSunset 8:13PM Sunday May 20, 2018 9:08 AM CDT (14:08 UTC) Moonrise 10:54AMMoonset 12:00AM Illumination 31% 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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GMZ130 Laguna Madre From The Port Of Brownsville To The Arroyo Colorado- Laguna Madre From The Arroyo Colorado To 5 Nm North Of Port Mansfield Tx- Laguna Madre From 5 Nm North Of Port Mansfield To Baffin Bay Tx- 401 Am Cdt Sun May 20 2018
.small craft should exercise caution...
Today..Southeast winds 15 to 20 knots. Choppy bay waters.
Tonight..Southeast winds 10 to 15 knots. A moderate chop on the bay. Slight chance of showers.
Monday..Southeast winds 10 to 15 knots. A moderate chop on the bay.
Monday night..Southeast winds 10 to 15 knots. A moderate chop on the bay.
Tuesday..Southeast winds 10 to 15 knots. A moderate chop on the bay.
Tuesday night..Southeast winds 10 to 15 knots. A moderate chop on the bay.
Wednesday..Southeast winds 5 to 10 knots becoming east 10 to 15 knots in the afternoon. A light chop on the bay building to a moderate chop on the bay in the afternoon.
Wednesday night..East winds 10 to 15 knots becoming southeast 5 to 10 knots after midnight. A moderate chop on the bay subsiding to a light chop on the bay after midnight.
Thursday..East winds 5 to 10 knots. A light chop on the bay.
Thursday night..Southeast winds 5 to 10 knots becoming south after midnight. A light chop on the bay.
GMZ100 Synopsis For Baffin Bay To Rio Grande Out 60 Nm- 401 Am Cdt Sun May 20 2018
Synopsis..Slightly adverse marine conditions are expected along the lower texas coast today and tonight courtesy of an enhanced pressure gradient. The gradient will then relax for the remainder of the forecast, with more light to moderate winds and low to moderate seas likely.

7 Day Forecast for Marine Location Near Villa Pancho, TX
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location: 25.88, -97.52     debug


Area Discussion for - Brownsville, TX
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Fxus64 kbro 201123 aaa
afdbro
area forecast discussion... Updated
national weather service brownsville tx
623 am cdt Sun may 20 2018

Discussion Updated for latest aviation discussion below.

Aviation Unanticipated light showers moved over the bro and hrl
aerodromes over the past hour, but all convection has now either
dissipated or moved away. No additional rainfall is expected
during the TAF period. MVFR right now will give way toVFR after
sunrise, with a slip back into MVFR beginning around sunset this
evening.

Prev discussion issued 325 am cdt Sun may 20 2018
short term (now through Monday): kbro doppler radar currently shows
very isolated showers and thunderstorms over the bro cwfa and
over neighboring mexico right now. Unfortunately, this activity
should be gone by sunrise this morning, with dry conditions on tap
for the rest of today. Tonight, another round of very isolated
convection may occur as it once again transitions from mexico to
deep south texas and the rio grande valley. A 500 mb ridge of high
pressure building north over the lone star state should return
the dry weather for Monday. Continued above normal daytime high
and overnight low temperatures are also expected to continue.

Long term (Monday night through Saturday): a 500 mb low will
begin to open and lift northeastward across the four corners
region early next week. A couple of weak shortwave troughs will
move out ahead of the main trough through central texas Monday
night into Tuesday, but ridging will likely dominate across deep
south texas as the main energy stays well to the north. Rain
chances will be very low each day for the upcoming week and will
be dependent on any sea breeze development. The pressure gradient
at the surface will weaken around mid-week with winds out of the
ese at 5 to 10 knots, so there will be a better chance of sea
breeze development, but there may not be enough moisture for much
precipitation. Therefore, have kept pops at 5 to 10% across the
area.

For the second half of the week, the mid-level ridge of high
pressure will shift westward over mexico with northwest flow and
strong subsidence across south texas. Near-zero rain chances and
hot temperatures will continue into the weekend. Model guidance
indicates highs in the mid 90s in the lower rgv to upper 90s in
the upper rgv by the end of the week and possibly higher. Towards
the end of the long term, several locations may exceed the century
mark with 850 mb temperatures ranging from 22 to 25 c and 1000-500
mb thicknesses of 580 dam all the way to the gulf coast.

Marine (now through Monday): buoy 42020 reported east-southeast
winds around 16 knots gusting to around 19 knots with seas slightly
over 5 feet with a period of 7 seconds at 250 cdt 750 utc. The
surface pressure gradient is expected to relax slightly during the
forecast period, allowing for a slight diminishing of winds and
subsidence of seas. Although small craft advisory is not expected to
be needed along the lower texas coast, small craft exercise caution
will likely be needed for the laguna madre and gulf of mexico
waters, especially today and or tonight.

Monday night through Friday: the pressure gradient across the
western gulf of mexico will weaken some next week allowing the
winds and seas to remain fairly low. Ese to SE winds will range
from 10 to 15 knots with seas gradually subsiding to 2 to 4 feet.

Bro watches warnings advisories None.

This product is also available on the web at:
http: weather.Gov rgv


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PTIT2 - 8779770 - Port Isabel, TX 20 mi56 min SSE 4.1 G 6 79°F 81°F1013.3 hPa
BZST2 23 mi56 min ESE 12 G 12 78°F 84°F1012.2 hPa
PCGT2 - 8779748 - South Padre Island CGS, TX 23 mi50 min ESE 8.9 G 12 78°F 1013.7 hPa
RLIT2 29 mi56 min ESE 14 G 18 84°F 79°F1013.2 hPa
PMNT2 47 mi50 min 81°F 82°F1013.2 hPa

Wind History for Port Isabel, TX
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SE12
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Brownsville, Brownsville / South Padre Island International Airport, TX5 mi75 minESE 710.00 miOvercast81°F77°F88%1012.6 hPa
Port Isabel, Port Isabel-Cameron County Airport, TX22 mi75 minSE 137.00 miMostly Cloudy81°F73°F77%1012.7 hPa

Wind History from BRO (wind in knots)
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1 day agoS21S18
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SE16SE19
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SE18SE11SE12SE9SE11SE13SE12SE11SE12SE14SE11SE10SE15SE22
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2 days agoS16S11S14S14
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SE9SE9SE9S7S7S6S9S8S8S9S7S10S18
G23

Tide / Current Tables for Matamoros, Tamaulipas, Mexico
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Matamoros
Click for Map
Sun -- 12:40 AM CDT     Moonset
Sun -- 01:18 AM CDT     -0.53 feet Low Tide
Sun -- 06:41 AM CDT     Sunrise
Sun -- 11:04 AM CDT     1.38 feet High Tide
Sun -- 11:54 AM CDT     Moonrise
Sun -- 08:11 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.4-0.5-0.5-0.4-0.20.10.50.811.21.31.41.41.31.21.11.110.90.80.70.50.30.1

Tide / Current Tables for Port Isabel, Texas
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Port Isabel
Click for Map
Sun -- 12:39 AM CDT     Moonset
Sun -- 01:33 AM CDT     -0.37 feet Low Tide
Sun -- 06:40 AM CDT     Sunrise
Sun -- 11:29 AM CDT     1.57 feet High Tide
Sun -- 11:52 AM CDT     Moonrise
Sun -- 08:11 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.2-0.4-0.4-0.2-00.30.60.91.21.41.51.61.61.51.51.41.31.21.110.90.70.50.3

Weather Map and Satellite Images
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wmap_A
GOES Local Image of SouthCentralPlains    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.
target = "new">Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Brownsville, TX (10,2,3,4)
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Ground Weather Radar Station Brownsville, TX
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weather_mapweather_map weather_map

Gulf Stream Current


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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.