Thursday, August13, 2020
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Marine Weather and Tides
Villa Pancho, TX

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 7:01AMSunset 8:08PM Thursday August 13, 2020 3:12 AM CDT (08:12 UTC) Moonrise 12:50AMMoonset 2:42PM Illumination 31% Phase: Waning Crescent; Moon at 24 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- 934 Pm Cdt Wed Aug 12 2020
Rest of tonight..Southeast winds 10 to 15 knots becoming south 5 to 10 knots after midnight. A moderate chop on the bay subsiding to a light chop after midnight.
Thursday..South winds 5 to 10 knots becoming southeast 10 to 15 knots in the afternoon. A light chop on the bay building to a moderate chop in the afternoon.
Thursday night..Southeast winds 10 to 15 knots becoming south 5 to 10 knots after midnight. A moderate chop on the bay subsiding to a light chop after midnight.
Friday..South winds 5 to 10 knots becoming southeast 10 to 15 knots in the afternoon. A light chop on the bay building to a moderate chop in the afternoon.
Friday night..South winds 10 to 15 knots. A moderate chop on the bay.
Saturday..South winds 5 to 10 knots becoming southeast 10 to 15 knots in the afternoon. A light chop on the bay building to a moderate chop in the afternoon.
Saturday night..Southeast winds 10 to 15 knots becoming south 5 to 10 knots after midnight. A moderate chop on the bay subsiding to a light chop after midnight.
Sunday..South winds 5 to 10 knots becoming southeast 10 to 15 knots in the afternoon. A light chop on the bay building to a moderate chop in the afternoon. Slight chance of showers and Thunderstorms.
Sunday night..Southeast winds 10 to 15 knots becoming south 5 to 10 knots after midnight. A moderate chop on the bay subsiding to a light chop after midnight.
Monday..South winds around 5 knots becoming east in the afternoon. Smooth on the bay building to a light chop in the afternoon. Slight chance of showers and Thunderstorms.
Monday night..Southeast winds 5 to 10 knots shifting south after midnight. A light chop on the bay.
GMZ100 Synopsis For Baffin Bay To Rio Grande Out 60 Nm- 934 Pm Cdt Wed Aug 12 2020
Synopsis..Light to moderate southeast winds will continue off the lower texas coast over the next couple of days as surface high pressure sits over the northern gulf of mexico with lower pressure across the high plains. This will maintain generally low seas through the rest of the week. A few isolated showers will be possible periodically, mainly overnight into the early morning hours.


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 130528 AAB AFDBRO

Area Forecast Discussion . UPDATED National Weather Service Brownsville TX 1228 AM CDT Thu Aug 13 2020

DISCUSSION. Updated for latest aviation discussion below.

AVIATION. VFR to prevail through the period, with mid-level high parked over New Mexico and surface ridging extending from the Bermuda high all the way to west Texas. Clouds will be limited to a few passing cirrus and daytime cumulus with bases higher than usual. SE winds around 15G20KT during the day Thursday for all three terminals.

PREV DISCUSSION. /issued 751 PM CDT Wed Aug 12 2020/

DISCUSSION . Updated for latest aviation discussion below.

AVIATION . Satellite images and surface observations indicate a few mid level clouds across the CWA early this evening. Expect VFR conditions across the Rio Grande Valley tonight into early Thurs morning as the 500mb subtropical ridge across west Texas continues to provide subsidence across south Texas.

PREV DISCUSSION . /issued 221 PM CDT Wed Aug 12 2020/ SHORT TERM (Now through Thursday Night): Summer heat will be the main story for the short term as the mid level ridge remains centered over West Texas and the Desert Southwest, allowing subsidence to stay in control across the region. Time-heights show shallow moisture below 850/900 mb and with subsidence dominating over the next couple of days, no mentionable PoPs are in the forecast through the short term period. Temperatures will be near or slightly above average with minimum temperatures tonight and Thursday night in the upper 70s and highs tomorrow ranging from the mid 90s to the lower 100s west of I-69C.

LONG TERM (Friday through Wednesday): Although dry weather will begin the period due to 500 mb high pressure, isolated to scattered showers and thunderstorms are expected for Sunday through Wednesday. This initiation and persistence of convection will be due to the mid-level ridge retreating westward and 500 mb troughiness forming over the western Gulf of Mexico. Above normal temperatures at the start of the period, courtesy of the proximity of the 500 mb high, will cool to more near normal levels by the end of the period due to the high shifting farther west.

MARINE (Now through Thursday Night): Light to moderate southeast winds and low seas will persist along the Lower Texas coast over the next several days as high pressure remains centered over the northern Gulf. Winds are already 15 knots gusting to 19 knots on the Laguna Madre, so small craft should exercise caution this afternoon. After subsiding slightly overnight, winds over the Laguna Madre should pick up tomorrow afternoon, making SCEC conditions possible again. Other than that, marine conditions should stay favorable across the lower Texas coastal waters, with the exception of brief showers that may develop.

Friday through Wednesday: Surface high pressure will become more established over the western Gulf of Mexico during the period. This will result in generally light winds and low seas along the Lower Texas Coast. Small Craft Exercise Caution and Small Craft Advisory are not likely to be needed.

PRELIMINARY POINT TEMPS/POPS. BAYVIEW/PORT ISABEL 94 78 94 79 / 0 0 0 0 BROWNSVILLE 96 78 95 79 / 0 0 0 0 HARLINGEN 97 77 97 77 / 0 0 0 0 MCALLEN 100 78 99 78 / 0 0 0 0 RIO GRANDE CITY 102 76 103 77 / 0 0 0 0 SOUTH PADRE ISLAND 90 81 89 82 / 0 0 0 0

BRO WATCHES/WARNINGS/ADVISORIES. TX . None. GM . None.

This product is also available on the web at: HTTP://WEATHER.GOV/RGV

53-Schroeder/56-Hallman


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PTIT2 - 8779770 - Port Isabel, TX 20 mi54 min SSE 8.9 G 11 83°F 87°F1016 hPa
BZST2 23 mi60 min S 11 G 13 83°F 82°F1013.1 hPa
PCGT2 - 8779748 - South Padre Island CGS, TX 23 mi54 min S 9.9 G 12 83°F 1013.7 hPa
RLIT2 29 mi54 min SSE 14 G 18 84°F 84°F1012.8 hPa
PMNT2 47 mi54 min 84°F 87°F1014.2 hPa
42045 - PI-745 TABS K 59 mi132 min SSE 14 G 18 83°F 86°F1015.1 hPa

Wind History for Port Isabel, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Brownsville, Brownsville / South Padre Island International Airport, TX5 mi19 minS 510.00 miFair79°F75°F88%1013.7 hPa

Link to 5 minute data for KBRO

Wind History from BRO (wind in knots)
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Last 24hr----SE5S5S5S10S14S14
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1 day agoS5SE6SE4S3S3S9S12S10SE15SE15
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SE13SE13SE8SE6SE7SE6------
2 days agoCalmSW3CalmSE3CalmSE5S6S6SE8SE10SE10SE11SE10SE12
G17
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Tide / Current Tables for Matamoros, Tamaulipas, Mexico
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Matamoros
Click for Map
Thu -- 01:49 AM CDT     Moonrise
Thu -- 03:40 AM CDT     1.64 feet High Tide
Thu -- 07:02 AM CDT     Sunrise
Thu -- 03:41 PM CDT     Moonset
Thu -- 05:44 PM CDT     0.39 feet Low Tide
Thu -- 08:06 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.41.51.61.61.61.61.61.61.51.51.41.31.210.80.70.50.40.40.50.60.811.2

Tide / Current Tables for Port Isabel, Texas
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Port Isabel
Click for Map
Thu -- 01:48 AM CDT     Moonrise
Thu -- 03:54 AM CDT     1.23 feet High Tide
Thu -- 07:00 AM CDT     Sunrise
Thu -- 03:41 PM CDT     Moonset
Thu -- 05:51 PM CDT     -0.04 feet Low Tide
Thu -- 08:05 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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11.11.21.21.21.21.21.21.11.110.90.80.60.40.20.1-0-000.10.30.50.7

Weather Map
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wmap_A
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Brownsville, TX (4,6,7,8)
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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 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.