Monday, September25, 2017 L-36.com


Marine Weather and Tides
Corpus Christi, TX

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 7:18AMSunset 7:22PM Monday September 25, 2017 12:12 PM CDT (17:12 UTC) Moonrise 11:08AMMoonset 10:15PM Illumination 25% Phase: Waxing Crescent; Moon at 5 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- 1036 Am Cdt Mon Sep 25 2017
Rest of today..Southeast wind around 15 knots. Seas 2 to 3 feet. Isolated Thunderstorms late in the morning. A chance of showers. A chance of Thunderstorms in the afternoon.
Tonight..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.
Tuesday..Southeast wind 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and Thunderstorms.
Tuesday night..Southeast wind 10 to 15 knots. Seas 3 feet. A chance of showers and Thunderstorms.
Wednesday..East wind 10 to 15 knots. Seas 3 feet. A chance of showers and Thunderstorms.
Wednesday night..East wind 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and Thunderstorms.
Thursday..East wind 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and Thunderstorms.
Thursday night..Northeast wind 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. A slight chance of showers and Thunderstorms.
Friday..Northeast wind 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and Thunderstorms.
Friday night..Northeast wind 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and Thunderstorms.
GMZ200 1036 Am Cdt Mon Sep 25 2017
Synopsis for the middle texas coastal waters.. A mainly weak to moderate onshore flow will prevail today through Tuesday. Isolated to scattered showers and Thunderstorms will be possible during the late night and morning hours today into Tuesday. Rain chances will then continue through the middle of the week as an upper level disturbance moves north of the area and a frontal boundary sinks southward across the state. Weak to moderate winds will shift east and eventually northeast through the second half of the week.

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 251643
afdcrp
area forecast discussion
national weather service corpus christi tx
1143 am cdt Mon sep 25 2017

Discussion
Seeing some better coverage of showers across the coastal bend
into the coastal plains near victoria. Have increased pops a bit
to account for this and expected activity through the evening
hours. Seabreeze will continue to move inland and provide some
better lift for showers towards the brush country later this
afternoon. Have been watching an area of activity across part of
the sdb mountains track towards the northeast. This may send an
outflow towards the rio grande plains later today helping to
combine with the seabreeze for even more activity. Tried to show a
general trend in the hourly temperatures to account for the rain
activity, so they were lowered where the higher pops are in place.

Otherwise the forecast is in good shape.

Previous discussion issued 639 am cdt Mon sep 25 2017
discussion... See aviation section for 12z tafs.

Aviation... GOES 16 channel difference for low clouds fog
indicated generally scattered low clouds over coastal bend this
morning with some areas over the brush country showing broken
clouds with MVFR ceilings. Sufficient moisture and steep low
level lapse rates had led to isolated streamer showers over
the coastal plains this morning. The activity will become
more scattered after some heating and drift inland with the
sea breeze through the afternoon. Showers and thunderstorms
will provide MVFR ceilings vsbys.

Weak upper level disturbance moving out of northeast mexico late
this afternoon into evening should lead to scattered convection
moving into the lrd area in the evening and early overnight
period. Will show MVFR ceilings and vsbys with the convection.

Coastal convergence zone will lead to redevelopment of coastal
showers over the southern coastal bend that will affect crp ali
areas. MVFR ceilings expected to become prevalent over the coastal
plains by 08z Tuesday.

Previous discussion... Issued 437 am cdt Mon sep 25 2017
short term (today through Tuesday)...

the mid to upper level ridge axis over the region will translate
eastward into the western gulf of mexico through Tuesday. Although
goes 16 image of precipitable water shows a region of drier air
over the upper texas coast making its way into the northeast part
of the forecast area, higher moisture remains along the lower
texas coast up to the coastal bend with pwat values from 1.8-1.9
inches. The NAM may have a better handle on how steep the low
level lapse rates are over the coastal waters into the coastal
bend this morning compared to the GFS rap. Kcrp radar loop has
shown a steady stream of isolated showers into the coastal bend
over the past couple of hours. Expect with a little bit of
heating, the coverage of convection will become scattered this
morning from the coastal plains into the eastern brush country.

Low level convergence zone will move inland with the sea breeze
boundary this afternoon. Image of precipitable water showed the
deeper moisture axis along the rio grande with pwat values around
2 inches. Will show slightly better chance for convection over the
brush country this afternoon.

With the ridge axis moving east by tonight, a short wave trough
will move out of mexico, from coahuila into the northern brush
country up to the hill country by 12z Tuesday. The upper level
flow will be weakly diffluent while the low level flow will
gradually strengthen from the southeast during the overnight
hours. Will show pops of 40-60 percent over the brush country for
tonight. After dry period this evening along the coast, low level
convergence axis will strengthen overnight and expect scattered
convection to develop over the coastal bend. Will increase pops
back to chance category for overnight.

Nam gfs ECMWF models show the short wave trough moving across the
region on Tuesday. Deep moisture will be in place over south texas
on Tuesday with pwat values above 2 inches along the coast to near
2.4 inches over the western brush country. Pops will be tapered
from 40 percent at the coast to likely at 60 percent over the
brush country.

Long term (Tuesday night through Sunday)...

forecast remains favorable for a wet mid week especially across the
western half of the CWA (rio grande plains and brush country). The
upper level closed low which will form over the southwest states
will slowly progress east northeastward into the four corners region
during the mid week. Deep pacific moisture will be drawn into the
region, with precipitable water values climbing above normal (well
above 2 inches). With the position of this upper level disturbance
the heaviest rainfall will remain to the north and west of the
region over the up stream rio grande river basin, and may bring some
rises along the river. Locally though, still anticipate moderate to
locally heavy rainfall will be possible with widespread showers and
thunderstorms across the western zones, and more scattered
convection to the east Tuesday night into Wednesday. Rain chances
will slowly decrease Thursday into Friday as the closed low opens
and lifts the the northeast. As the disturbance lifts to the
northeast a cold front will move south across the state and into
south texas. The cold front is forecast to move into the region
Friday, though seeing some differences in the models between the
strength of the front and continued rain chances across the region
late into the weekend. Anticipate more of a northeast shift to the
winds and slight lowering of temperatures late in the week into
early next week. Lower dewpoints and less humid conditions late in
the period will also bring more seasonable conditions to the region.

High temperatures will gradually go from the upper 80s lower 90s to
the mid upper 80s, and lows from the lower 70s falling to the
lower mid 60s.

Preliminary point temps pops
Corpus christi 91 78 90 77 90 40 30 50 40 40
victoria 90 75 90 74 89 40 20 40 20 40
laredo 95 78 92 76 90 40 50 60 80 60
alice 93 76 92 75 90 40 30 50 40 50
rockport 89 79 89 78 90 50 20 40 30 40
cotulla 94 76 91 75 89 50 50 60 80 70
kingsville 92 76 92 76 90 30 30 50 40 40
navy corpus 90 80 89 79 89 40 20 40 30 40

Crp watches warnings advisories
Tx... None.

Gm... None.

Gh 77... Short term


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MQTT2 - 8775870 - Malaquite Beach (Corpus Christi), TX 6 mi42 min SE 12 G 15 84°F 84°F1009.9 hPa
PACT2 - 8775792 - Packery Channel, TX 9 mi42 min SE 13 G 15 85°F 83°F1010.7 hPa
IRDT2 10 mi42 min SSE 8 G 13 82°F 84°F1010.9 hPa
BABT2 - 8776604 - Baffin Bay; Point of Rocks, TX 20 mi42 min ESE 11 G 15 84°F 83°F1009.9 hPa
RTAT2 - 8775237 - Port Aransas, TX 22 mi42 min ESE 8.9 G 14 85°F 84°F1010.7 hPa
ANPT2 23 mi42 min E 12 G 14 83°F 84°F1009.7 hPa
TAQT2 - 8775296 - Texas State Aquarium, TX 24 mi42 min 84°F 84°F1009.4 hPa
NUET2 28 mi42 min SSE 12 G 16 83°F1010.1 hPa
CPNT2 42 mi42 min SE 9.9 G 12 84°F 83°F
42020 - Corpus Christi, TX 50NM Southeast of Corpus Christi, TX 45 mi82 min ESE 3.9 G 3.9 83°F 2 ft1011 hPa (+1.3)73°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 mi76 minSE 1310.00 miMostly Cloudy89°F77°F68%1010.3 hPa

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Last 24hrSE13SE13SE14SE13SE14SE15E13E12SE13SE14SE13SE14SE13SE10SE11SE10SE9SE11SE8SE8SE6SE14
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1 day agoSE12SE12E14E14SE15E12E14E15E16SE14SE14SE8--SE10SE9SE9SE9SE8SE8SE5SE14--SE12SE11
2 days agoSE14SE15SE12SE14E17E17SE16E12SE13E13SE14SE12SE12SE9SE9SE7SE8SE9E10SE7SE11SE11SE11E12

Tide / Current Tables for Corpus Christi, Texas
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Corpus Christi
Click for Map
Mon -- 07:18 AM CDT     Sunrise
Mon -- 12:08 PM CDT     Moonrise
Mon -- 12:37 PM CDT     0.58 feet Low Tide
Mon -- 07:21 PM CDT     Sunset
Mon -- 09:33 PM CDT     1.90 feet High Tide
Mon -- 11:15 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.71.61.61.61.61.51.51.41.210.80.70.60.60.60.811.21.51.71.81.91.91.9

Tide / Current Tables for Aransas Pass, Texas Current
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Aransas Pass
Click for Map
Mon -- 04:18 AM CDT     -0.00 knots Slack
Mon -- 07:18 AM CDT     Sunrise
Mon -- 12:03 PM CDT     -0.96 knots Max Ebb
Mon -- 12:08 PM CDT     Moonrise
Mon -- 05:07 PM CDT     0.00 knots Slack
Mon -- 07:20 PM CDT     Sunset
Mon -- 09:23 PM CDT     1.08 knots Max Flood
Mon -- 11:14 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.60.50.40.20.1-0.1-0.2-0.3-0.4-0.6-0.8-0.9-1-0.9-0.7-0.5-0.3-00.30.60.91.11.11

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of SouthCentralPlains    EDIT
Geos

Wind Forecast for Corpus Christi, TX (13,3,4,5)
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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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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.