Wednesday, January29, 2020
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Marine Weather and Tides
Tierra Grande, 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 7:16AMSunset 6:08PM Wednesday January 29, 2020 8:37 AM CST (14:37 UTC) Moonrise 10:21AMMoonset 10:29PM Illumination 21% 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
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GMZ230 Bays And Waterways From Baffin Bay To Port Aransas- 256 Am Cst Wed Jan 29 2020
.small craft exercise caution...
Today..Northwest wind 15 to 20 knots becoming north around 10 knots in the afternoon. Bays choppy to occasionally rough.
Tonight..Northeast wind 5 to 10 knots increasing to 10 to 15 knots after midnight. Bays slightly choppy to occasionally choppy. A slight chance of showers after midnight.
Thursday..Northeast wind 10 to 15 knots. Bays slightly choppy to occasionally choppy. A slight chance of showers.
Thursday night..North wind 10 to 15 knots. Bays slightly choppy to occasionally choppy. A chance of showers.
Friday..North wind 15 to 20 knots decreasing to around 10 knots in the afternoon. Bays choppy to occasionally rough. A slight chance of showers.
Friday night..North wind 5 to 10 knots. Bays smooth to slightly choppy.
Saturday..Northwest wind 5 to 10 knots shifting west in the afternoon. Bays smooth.
Saturday night..South wind around 5 knots. Bays smooth.
Sunday..South wind 5 to 10 knots. Bays smooth.
Sunday night..Southeast wind 10 to 15 knots becoming south 15 to 20 knots after midnight. Bays choppy. A slight chance of showers.
GMZ200 256 Am Cst Wed Jan 29 2020
Synopsis for the middle texas coastal waters.. Strong offshore flow this morning with sca conditions will decline to moderate levels this afternoon, before turning northeast tonight and continuing through Thursday. Small craft exercise caution thresholds are possible at times Thursday afternoon. Isolated showers develop late tonight and increase to scattered through the day on Thursday. Expect numerous showers Thursday night into early Friday, before moderate to strong offshore winds with a cold front bring drier conditions throughout Friday afternoon. Weak to moderate offshore winds on Saturday will become onshore by late Sunday.


7 Day Forecast for Marine Location Near Tierra Grande, TX
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location: 27.74, -97.45     debug


Area Discussion for - Corpus Christi, TX
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FXUS64 KCRP 291131 AFDCRP

Area Forecast Discussion National Weather Service Corpus Christi TX 531 AM CST Wed Jan 29 2020

DISCUSSION.

12Z aviation discussion included below.

AVIATION.

Barring occasional low level wind shear in the next hour or so mainly from ALI-CRP-VCT due to a 40+ knot low level jet, aviation hazards will be nil today with VFR prevailing. After midnight, some low clouds are likely at the eastern terminals with MVFR ceilings emerging thereafter.

PREV DISCUSSION. /Issued 346 AM CST Wed Jan 29 2020/

SHORT TERM (Today through Thursday) .

Deep and dry NW flow this morning will trend more moist beginning late tonight and especially through the day on Thursday as cool high pressure retreats northeast. As pressure falls focus to our west tomorrow in advance of a respectable upper trough approaching far West TX, models favor stratus expanding westward over much of the CWA making for a very cool day thanks to steady NE surface winds. Blended guidance looks a bit too mild in this pattern, so highs tomorrow were edged more in sync with the cooler MOS numbers.

Precip-wise, most model soundings tonight and tomorrow are very lackluster with any saturation of 1000 feet thick or more anywhere throughout the column. Although isentropic ascent will be in its infancy for much of Thu well downstream of the upper trough, a coastal trough should focus better convergence (mainly over the waters) for some shallow showers throughout the day. Considered removing inland rain chances altogether tomorrow, but left some mention given support from a few high res models and neighboring offices.

LONG TERM (Thursday Night through Tuesday) .

Rain chances will increase Thursday night through early Friday morning as a weak coastal trough develops along the Texas coast ahead of the next cold front. Instability remains limited so will maintain activity as showers through the period. The frontal boundary and mid-level trough will move east over the region mid-day Friday with drier air ending rain chances from west to east through Friday afternoon. Cool conditions are expected Friday in the 60s, with comfortable and dry conditions over the weekend in the 70s. Overnight lows will be noticeably cooler in the 40s to low 50s.

Temperatures will warm through early next week as onshore flow redevelops Sunday. Moisture will quickly return ahead of the next cold front as strong onshore flow develops over the waters Monday. Sufficient moisture should support isolated to possible scattered showers mainly across the coastal region Monday/Tuesday ahead of the front that is currently expected to push through Tuesday/Tuesday night.

MARINE .

Strong offshore flow this morning with SCA conditions will decline to moderate levels this afternoon, before turning northeast tonight and continuing through Thursday. Small Craft Exercise Caution thresholds are possible at times Thursday afternoon. Isolated showers should develop late tonight and increase to scattered through the day on Thursday as moisture improves ahead of an upper disturbance. Scattered to numerous showers will continue through early Friday. Moderate to strong offshore winds with a cold front will bring drier conditions throughout Friday afternoon, ending rain chances. Small Craft Advisory conditions are possible by Thursday night into Friday. Weak to moderate offshore winds on Saturday will become onshore by late Sunday.

PRELIMINARY POINT TEMPS/POPS. Corpus Christi 69 48 61 48 63 / 0 20 20 50 20 Victoria 63 45 59 45 64 / 0 20 20 40 20 Laredo 72 47 62 46 64 / 0 10 10 50 10 Alice 71 45 61 47 64 / 0 20 20 50 20 Rockport 64 51 60 49 63 / 0 20 30 50 20 Cotulla 71 43 58 44 64 / 0 10 10 30 10 Kingsville 71 47 64 48 64 / 0 20 20 50 20 Navy Corpus 65 53 60 51 63 / 0 20 20 50 30

CRP WATCHES/WARNINGS/ADVISORIES. TX . None. GM . Small Craft Advisory until noon CST today For the following zones: Coastal waters from Baffin Bay to Port Aransas out 20 NM . Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM . Waters from Baffin Bay to Port Aransas from 20 to 60 NM . Waters from Port Aransas to Matagorda Ship Channel from 20 to 60 NM.



MCZ/93 . AVIATION


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TAQT2 - 8775296 - Texas State Aquarium, TX 6 mi56 min 51°F 63°F1018.1 hPa
NUET2 7 mi50 min 62°F1019.4 hPa
PACT2 - 8775792 - Packery Channel, TX 13 mi62 min 55°F 60°F1018.6 hPa
MQTT2 - 8775870 - Malaquite Beach (Corpus Christi), TX 17 mi62 min 54°F 62°F1018.4 hPa
IRDT2 19 mi50 min 51°F 1019.4 hPa
RTAT2 - 8775237 - Port Aransas, TX 21 mi50 min 51°F 63°F1018.7 hPa
PTAT2 - Port Aransas, TX 22 mi38 min NW 14 G 18 51°F 60°F1018.5 hPa (+1.9)37°F
ANPT2 23 mi50 min 52°F 63°F1017.9 hPa
RCPT2 - 8774770 - Rockport, TX 29 mi62 min 52°F 1018.2 hPa
BABT2 - 8776604 - Baffin Bay; Point of Rocks, TX 31 mi62 min 50°F 63°F1019.2 hPa
AWRT2 48 mi62 min 45°F 61°F1017.6 hPa

Wind History for Nueces Bay, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Corpus Christi, Corpus Christi International Airport, TX3 mi47 minNW 910.00 miFair47°F36°F66%1019 hPa
Corpus Christi, Corpus Christi Naval Air Station/Truax Field, TX9 mi1.7 hrsNNW 17 G 2310.00 miFair52°F39°F61%1018.1 hPa
Robstown, Nueces County Airport, TX13 mi63 minNW 510.00 miFair43°F34°F71%1019.3 hPa
Mc Campbell, TX17 mi43 minNNW 1010.00 miFair49°F37°F66%1019 hPa
Port Aransas, Mustang Beach Airport, TX20 mi43 minNW 1310.00 miFair51°F38°F63%1019.3 hPa

Link to 5 minute data for KCRP

Wind History from CRP (wind in knots)
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Last 24hrE4E5SE9S6W7NW11
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1 day agoCalmSW3S7E7E10E10E11E14E13E10E10SE11SE10SE11SE9SE15SE13SE12SE9S5S5N3N6Calm
2 days agoNW8NW10NW15NW14NW10N8N6NE3N6E5SE5S5S4SE5S3SE3SE4E3CalmW6W5CalmCalmCalm

Tide / Current Tables for Corpus Christi, Texas (2) (expired 1999-07-23)
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Corpus Christi
Click for Map
Wed -- 02:19 AM CST     0.29 feet High Tide
Wed -- 04:39 AM CST     0.29 feet Low Tide
Wed -- 06:11 AM CST     0.29 feet High Tide
Wed -- 07:17 AM CST     Sunrise
Wed -- 10:20 AM CST     Moonrise
Wed -- 04:24 PM CST     0.14 feet Low Tide
Wed -- 06:07 PM CST     Sunset
Wed -- 10:28 PM CST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30.30.30.30.30.30.30.30.30.30.30.20.20.20.20.20.10.10.20.20.20.20.20.3

Tide / Current Tables for Aransas Pass, Texas Current
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Aransas Pass
Click for Map
Wed -- 03:36 AM CST     -0.00 knots Slack
Wed -- 07:16 AM CST     Sunrise
Wed -- 10:19 AM CST     Moonrise
Wed -- 10:49 AM CST     -0.85 knots Max Ebb
Wed -- 03:33 PM CST     0.00 knots Slack
Wed -- 06:06 PM CST     Sunset
Wed -- 07:26 PM CST     0.83 knots Max Flood
Wed -- 10:27 PM CST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.40.20.1-0.1-0.1-0.2-0.3-0.5-0.7-0.8-0.9-0.8-0.6-0.4-0.10.10.40.70.80.80.70.60.4

Weather Map
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wmap_A
GEOS Local Image of    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 Corpus Christi, TX (9,2,3,4)
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Ground Weather Radar Station Corpus Christi, TX
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weather_mapweather_map weather_map

Gulf Stream Current


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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.