Thursday, April2, 2020
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Marine Weather and Tides
Corpus Christi, 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 7:49PM Thursday April 2, 2020 1:16 AM CDT (06:16 UTC) Moonrise 1:06PMMoonset 2:21AM Illumination 67% Phase: Waxing Gibbous; Moon at 9 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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GMZ250 Coastal Waters From Baffin Bay To Port Aransas Out 20 Nm- 1005 Pm Cdt Wed Apr 1 2020
Rest of tonight..Southeast wind around 15 knots. Seas 3 to 4 feet with occasional seas up to 5 feet.
Thursday..Southeast wind 10 to 15 knots. Seas 3 to 4 feet with occasional seas up to 5 feet.
Thursday night..Southeast wind 10 to 15 knots. Seas 4 to 5 feet with occasional seas up to 6 feet.
Friday..Southeast wind 10 to 15 knots. Seas 3 to 4 feet with occasional seas up to 5 feet. A slight chance of showers and Thunderstorms.
Friday night..Southeast wind 10 to 15 knots. Seas 3 to 4 feet with occasional seas up to 5 feet. A chance of showers and Thunderstorms.
Saturday..Southeast wind 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Showers likely and a chance of Thunderstorms.
Saturday night..East wind around 10 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. A slight chance of showers and Thunderstorms.
Sunday..East wind 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. A slight chance of showers and Thunderstorms.
Sunday night..Southeast wind 10 to 15 knots. Seas 3 to 4 feet with occasional seas up to 5 feet.
Monday..Southeast wind 10 to 15 knots. Seas 3 to 4 feet with occasional seas up to 5 feet.
Monday night..Southeast wind 10 to 15 knots. Seas 3 to 4 feet with occasional seas up to 5 feet.
GMZ200 1005 Pm Cdt Wed Apr 1 2020
Synopsis for the middle texas coastal waters.. A weak to moderate onshore flow will continue tonight. Light to moderate onshore flow Thursday may strengthen to near scec levels Thursday night. Onshore flow will continue to increase moisture Friday into Saturday. Chances for showers and Thunderstorms will increase Friday night and Saturday due to an approaching cold front. Moderate onshore flow will be possible across the offshore waters Friday ahead of the front. Weak to moderate northeast winds may occur along the coast Saturday night as the frontal boundary pushes into the gulf. The frontal boundary is expected to move inland on Sunday with a weak to moderate onshore flow prevailing into Monday with rain chances limited to along the coast.


7 Day Forecast for Marine Location Near Corpus Christi, TX
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location: 27.52, -97.15     debug


Area Discussion for - Corpus Christi, TX
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FXUS64 KCRP 012330 AFDCRP

Area Forecast Discussion National Weather Service Corpus Christi TX 630 PM CDT Wed Apr 1 2020

DISCUSSION.

See aviation discussion below for the 00Z TAFs.

AVIATION.

VFR conditions expected this evening through 06Z. MVFR CIGs are expected to develop after 07Z through Thu morning. CIGs are expected to lift to VFR levels by Thu afternoon. SE winds will be light tonight, becoming slightly stronger Thu afternoon. Isolated showers or thunderstorms will be possible Thu afternoon from COT to VCT, but will not mention in the TAFs at this time due to the low probability.

PREV DISCUSSION. /Issued 313 PM CDT Wed Apr 1 2020/

SHORT TERM (Tonight through Thursday Night) . GOES Total Precipitable Water imagery shows deeper Gulf moisture located off the coast of Tamalupias this afternoon. As a veered near surface wind profile becomes more southeasterly through the evening and overnight hours, it will advect this moisture into South Texas and spread low stratus across the region by dawn Thursday. Increasing cloud cover will keep temperatures warmer overnight with lows only falling into the 60s inland and near 70 along the coast.

Continued moisture return will allow for isolated showers to stream across South Texas during the day Thursday. Quasizonal flow aloft becomes increasingly divergent as a shortwave trough lifts into the Southern Plains and an associated steepening of mid-level lapse rates will allow for isolated thunderstorm development as well across the northern Brush Country and Victoria Crossroads during the afternoon hours. Cloud cover and spotty periods of rain will keep most locations east of Interstate 37 in the 70s on Thursday with low to mid 80s expected closer to the Rio Grande. A break in shower and isolated thunderstorm activity is expected Thursday night as weak subsidence overspreads the region behind the daytime shortwave with lows in the upper 60s to low 70s and patchy fog possible near the Victoria Crossroads.

LONG TERM (Friday through Wednesday) .

Moisture will steadily increase over the region on Friday in advance of a cold front that will be moving into central Texas in the afternoon. Precipitable water values will increase to 1.6-1.7 inches areawide Friday afternoon. Timing of impulses in the subtropical flow from northern Mexico into south Texas are problematic at this stage with models showing some differences. Air mass is expected to become moderately unstable by late afternoon with MLCAPE values around 2000 J/kg over the northern Brush Country into the Hill Country in advance of the front with 0-6 km shear values of 50-60 knots. Storms that develop in the late afternoon into the evening could become severe as they move into Brush Country. SPC has this region in slight risk for Day 3 with marginal risk for the rest of the area. Models are not in agreement with timing and placement of frontal boundary moving into the region late Friday night into Saturday morning with the NAM close to the coast while the GFS and ECMWF along with NBM were over the inland coastal plains. Will show northeast winds across areas north of a line from Hebbronville to Victoria for Saturday. This frontal boundary will be focus for additional convective development on Saturday as another upper level impulse is expected to move out of Mexico into the region. Training of storms could lead to some locally heavy rainfall especially over the Victoria Crossroads.

There may be a lull in the convection as the impulse moves to the east and more stable air behind the front settles into south Texas Saturday night. ECMWF shows additional high amounts of QPF over the region for Saturday night, so reluctant to reduce PoPs too far. Kept chance PoPs for most areas Saturday night. The frontal boundary is expected to drift back inland on Sunday with another impulse moving out of Mexico. PoPs will range from low chance along the coast to likely over the western Brush Country Sunday with PoPs slightly lower for Sunday night.

Models are similar late in the period with an upper low off the coast of northern California Monday morning diving south-southeast into southern California/northern Baja for Wednesday. An active subtropical jet will remain over north-central Mexico into the Brush Country through the period. Will keep PoPs at chance category for western counties through this period with slight chance toward the coast with temperatures warming back to above normal Monday through Wednesday.

MARINE .

Light to moderate onshore flow Thursday may strengthen to near SCEC levels Thursday night. Onshore flow will continue to increase moisture Friday into Saturday. Moderate onshore flow/SCEC conditions will be possible across the offshore waters and southern bays Friday ahead of the front. Chances for showers and thunderstorms will increase Friday night and Saturday due to an approaching cold front. Weak to moderate northeast winds may occur along the coast Saturday night as the frontal boundary pushes into the Gulf. The frontal boundary is expected to move inland on Sunday with a weak to moderate onshore flow prevailing into Monday with rain chances limited to along the coast.

PRELIMINARY POINT TEMPS/POPS. Corpus Christi 67 80 72 82 71 / 10 20 10 30 50 Victoria 62 78 69 81 68 / 20 30 30 40 60 Laredo 69 86 71 87 71 / 10 10 10 40 40 Alice 65 82 69 86 70 / 10 20 10 40 50 Rockport 69 79 73 79 71 / 10 20 10 20 50 Cotulla 65 81 69 86 67 / 10 20 10 60 60 Kingsville 66 83 70 85 70 / 10 10 10 30 50 Navy Corpus 70 78 73 77 72 / 10 20 10 20 50

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



TE/81 . AVIATION


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MQTT2 - 8775870 - Malaquite Beach (Corpus Christi), TX 6 mi47 min E 16 G 20 71°F 74°F1012.5 hPa
PACT2 - 8775792 - Packery Channel, TX 9 mi53 min E 11 G 15 71°F 74°F1012.8 hPa
IRDT2 10 mi47 min ESE 13 G 17 71°F 1013.3 hPa
BABT2 - 8776604 - Baffin Bay; Point of Rocks, TX 20 mi53 min E 12 G 16 71°F 76°F1012.9 hPa
PTAT2 - Port Aransas, TX 22 mi77 min ESE 16 G 18 71°F 72°F1012.9 hPa (-0.4)64°F
RTAT2 - 8775237 - Port Aransas, TX 22 mi47 min ESE 8 G 12 71°F 74°F1013.2 hPa
ANPT2 23 mi47 min E 15 G 17 71°F 73°F1012.2 hPa
TAQT2 - 8775296 - Texas State Aquarium, TX 24 mi47 min 72°F 74°F1011.5 hPa
NUET2 28 mi47 min SSE 14 G 17 74°F1012.6 hPa
RCPT2 - 8774770 - Rockport, TX 35 mi53 min ESE 11 G 15 71°F 1014 hPa
42020 - Corpus Christi, TX 50NM Southeast of Corpus Christi, TX 45 mi27 min SE 18 G 21 74°F 75°F4 ft1012.6 hPa64°F

Wind History for Corpus Christi, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Corpus Christi, Corpus Christi Naval Air Station/Truax Field, TX14 mi81 minSE 1510.00 miFair70°F64°F84%1013 hPa
Port Aransas, Mustang Beach Airport, TX20 mi22 minESE 1210.00 miFair71°F63°F77%1013.2 hPa

Link to 5 minute data for KNGP

Wind History from NGP (wind in knots)
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1 day agoS6S5W3W6CalmNW6NW7NW6NW9NW12N14N12N17NE14NE15E14E14--NE15NE13NE16NE18NE15NE13
2 days agoE10E9E11E8SE9SE7SE7SE8SE10SE15
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Tide / Current Tables for Corpus Christi, Texas
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Corpus Christi
Click for Map
Thu -- 03:21 AM CDT     Moonset
Thu -- 03:47 AM CDT     -0.10 feet Low Tide
Thu -- 07:17 AM CDT     Sunrise
Thu -- 01:55 PM CDT     1.85 feet High Tide
Thu -- 02:06 PM CDT     Moonrise
Thu -- 07:47 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.20-0.1-0.1-00.10.30.611.31.61.71.81.81.81.81.71.61.51.41.31.11

Tide / Current Tables for Aransas Pass, Texas Current
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Aransas Pass
Click for Map
Thu -- 02:32 AM CDT     -1.55 knots Max Ebb
Thu -- 03:21 AM CDT     Moonset
Thu -- 07:16 AM CDT     Sunrise
Thu -- 08:37 AM CDT     0.00 knots Slack
Thu -- 01:44 PM CDT     1.70 knots Max Flood
Thu -- 02:04 PM CDT     Moonrise
Thu -- 07:46 PM CDT     Sunset
Thu -- 08:35 PM CDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.1-1.4-1.5-1.5-1.5-1.3-1.1-0.7-0.30.20.81.31.61.71.71.61.51.20.90.50.2-0.1-0.3-0.5

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 Corpus Christi, TX (2,6,7,8)
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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.