Wednesday, June19, 2019 L-36.com


Marine Weather and Tides
Corpus Christi, TX

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6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:32AMSunset 8:29PM Wednesday June 19, 2019 3:41 AM CDT (08:41 UTC) Moonrise 9:37PMMoonset 7:32AM Illumination 97% Phase: Waning Gibbous; Moon at 16 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- 1009 Pm Cdt Tue Jun 18 2019
.small craft should exercise caution...
Rest of tonight..South wind 15 to 20 knots becoming 10 to 15 knots. Seas 2 to 4 feet.
Wednesday..South wind 10 to 15 knots increasing to 15 to 20 knots in the afternoon. Seas 2 to 4 feet with occasional seas up to 5 feet.
Wednesday night..South wind 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet.
Thursday..South wind 15 to 20 knots. Seas 4 to 5 feet with occasional seas up to 6 feet.
Thursday night..South wind around 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet.
Friday..South wind around 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet.
Friday night..Southeast wind 20 to 25 knots. Seas 6 to 8 feet with occasional seas up to 10 feet.
Saturday..Southeast wind 20 to 25 knots. Seas 6 to 8 feet with occasional seas up to 10 feet.
Saturday night..Southeast wind around 20 knots. Seas 6 to 8 feet with occasional seas up to 10 feet. A slight chance of showers and Thunderstorms.
Sunday..South wind around 20 knots. Seas 6 to 8 feet with occasional seas up to 10 feet. A slight chance of showers and Thunderstorms.
Sunday night..South wind around 20 knots. Seas 6 to 8 feet with occasional seas up to 10 feet. A slight chance of showers and Thunderstorms.
GMZ200 1009 Pm Cdt Tue Jun 18 2019
Synopsis for the middle texas coastal waters.. A weak to moderate onshore flow will continue tonight through Wednesday, before south to southeast winds strengthen and become predominately moderate Wednesday night and Thursday. South to southeast flow will become moderate to strong Thursday night. The winds should continue to strengthen and become predominately strong Saturday and Sunday. Dry conditions should persist Thursday and Friday, but isolated to scattered showers and Thunderstorms will be possible during the weekend.


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 190532
afdcrp
area forecast discussion
national weather service corpus christi tx
1232 am cdt Wed jun 19 2019

Discussion
See aviation discussion below for the 06z tafs.

Aviation
Satellite images and surface observations indicate some low
clouds patchy fog developing across eastern portions of the cwa
late tonight. Otherwise... Some high clouds were moving across
portions of the rio grande plains as well as across portions of
the victoria crossroads. Ceilings were near 25000ft at kcrp.

Visibilities were near 5sm with fog at kali. ExpectVFR conditions
to prevail across south texas the rest of tonight into Wednesday
as the 500mb ridge across northeast mexico and south texas
continues to provide subsidence. Brief MVFR conditions will
develop late tonight into early Wed morning with some low
clouds patchy fog developing across portions of the cwa.

Prev discussion issued 704 pm cdt Tue jun 18 2019
discussion...

note aviation discussion below corresponding to the 00z tafs.

Aviation...

vfr conditions this evening and early tonight will transition to a
mixture of MVFR ifr ceilings by early Wednesday morning, mainly
east of u.S. Highway 281. Brief MVFR visibilities may occur east
of u.S. Highway 281 and west of u.S. Highway 77. PredominateVFR
conditions expected by mid late morning Wednesday. Generally light
s SE flow overnight early Wednesday, becoming moderate onshore by
late afternoon.

Prev discussion... Issued 400 pm cdt Tue jun 18 2019
short term (tonight through Wednesday night)...

tonight expected to be quiet in response to a northwest subsident
flow aloft and a strong capping inversion around 850mb. Model
soundings look conducive for fog to develop across the inland
coastal plains overnight. Elevated surface dewpoints and drier mid
and upper level environment combined with light winds will lead to
patchy fog to develop across inland portions of S tx, mainly from
ali to vct. At this time, dense fog is not expected.

Center of the mid level high pressure system is currently over mex
south of tx. The high is progged to shift east toward the NW gulf of
mexico Wednesday. This will allow a short wave to track across S tx
wed, however moisture will be limited and cap will remain strong,
therefore precip is not anticipated. Wed will be another hot and
humid day with heat indices ranging from 105 to 114. A heat advisory
may be needed for portions of S tx wed, with the coastal plains more
likely to have the advisory.

Wed night may see patchy fog once again, otherwise it will be
another warm, muggy night.

Long term (Thursday through Monday)...

a subtropical ridge, which has dominated our weather for several
days, will move from northeast mexico south texas eastward into the
gulf of mexico on Thursday. There should still be enough subsidence
from the ridge on Thursday to limit convective development. As the
ridge moves farther east and an upper trough digs into the four
corners region, the flow aloft will become more southwesterly and
amplified. Deep layer moisture should still be somewhat limited on
Friday as the flow aloft will still be transitioning.

During the weekend, deep layer moisture should increase as the
shortwave trough moves through the southern rockies and eventually
emerges onto the plains by late Sunday. This should bring a chance
for isolated to scattered convection back to the area beginning
Saturday and continuing into early next week. The best rain chances
should Sunday and possible into Monday as a convective complex
develops across north texas and oklahoma and moves south-southeast.

However, most of the model guidance suggests the majority of these
storms will remain northeast of our area.

Otherwise, the heat will likely be the big story, especially
Thursday and Friday. Daytime high temperatures from the coastal
plains eastward to the rio grande should be over 100 degrees f. Much
of the rio grande plains will likely approach 110 degrees f on
Thursday. Southeasterly winds will also provide enough low-level
gulf moisture for heat index values to climb above 110 degrees f
areawide Thursday through Monday. Increased cloud cover should bring
somewhat lower after Saturday, but the higher moisture levels will
keep the heat indices high. Heat advisories will likely be needed
for much of the area for Thursday through Monday.

Marine...

a generally weak to moderate onshore flow can be expected tonight
through Wed morning. Onshore flow is expected to strengthen to
moderate levels by Wed afternoon and continue through Wed night.

Winds may approach advisory levels Wed night.Moderate to strong
south to southeast winds will continue to prevail Thursday. The
pressure gradient will continue to tighten in response to a
strengthening surface low over west texas. As a result, the
onshore flow will continue to increase and will likely become
strong by Saturday. Scec to near SCA conditions should prevail
Thursday and Friday, but small craft advisories will likely be
needed by Friday afternoon and night as the winds increase to
between 20 and 25 kts and seas build to 5 to 7 feet. Sca
conditions should persist through the weekend for the offshore
waters, but may also occur in the bays by early Saturday morning.

Preliminary point temps pops
Corpus christi 97 81 96 80 94 10 10 0 0 0
victoria 96 79 95 79 94 10 10 10 0 10
laredo 105 81 108 81 106 0 10 0 0 0
alice 101 79 102 79 99 10 10 0 0 0
rockport 90 83 90 83 90 10 10 0 0 0
cotulla 106 79 108 80 105 0 10 0 0 0
kingsville 99 80 100 80 97 10 10 0 0 0
navy corpus 91 82 91 84 91 10 10 0 0 0

Crp watches warnings advisories
Tx... None.

Gm... None.

Mc 99... Aviation


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PTAT2 - Port Aransas, TX 22 mi41 min S 16 G 17 83°F 85°F1011.6 hPa (-0.9)80°F
42020 - Corpus Christi, TX 50NM Southeast of Corpus Christi, TX 45 mi41 min S 14 G 16 84°F 84°F1011.5 hPa (-1.4)80°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 mi45 minS 910.00 miPartly Cloudy82°F79°F90%1011.5 hPa
Port Aransas, Mustang Beach Airport, TX20 mi46 minS 1210.00 miPartly Cloudy83°F78°F86%1012.2 hPa

Wind History from NGP (wind in knots)
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Last 24hrS6S7S7SE6S7S7S4SE10SE10SE9SE9SE10SE14SE13SE8SE12SE12SE14
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1 day agoS11N9
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E20SE14SE14SE11N7N46E4E5SE7E5SE8SE7SE9SE13SE10S11S8S8
2 days agoS15S12S14S12S14
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Tide / Current Tables for Corpus Christi, Texas
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Corpus Christi
Click for Map
Wed -- 06:33 AM CDT     Sunrise
Wed -- 07:45 AM CDT     1.72 feet High Tide
Wed -- 08:32 AM CDT     Moonset
Wed -- 08:26 PM CDT     Sunset
Wed -- 10:36 PM CDT     Moonrise
Wed -- 10:56 PM CDT     -0.42 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.3-0.10.30.71.11.41.61.71.71.71.61.51.41.31.21.110.80.60.30-0.2-0.4-0.4

Tide / Current Tables for Aransas Pass, Texas Current
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Aransas Pass
Click for Map
Wed -- 02:43 AM CDT     0.00 knots Slack
Wed -- 06:32 AM CDT     Sunrise
Wed -- 07:32 AM CDT     1.95 knots Max Flood
Wed -- 08:31 AM CDT     Moonset
Wed -- 03:06 PM CDT     -0.00 knots Slack
Wed -- 08:26 PM CDT     Sunset
Wed -- 09:49 PM CDT     -1.87 knots Max Ebb
Wed -- 10:36 PM CDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.5-1.1-0.50.20.91.41.81.91.91.91.71.41.10.70.30-0.3-0.6-0.9-1.3-1.6-1.8-1.9-1.8

Weather Map and Satellite Images
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wmap_A
GOES 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.
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Wind Forecast for Corpus Christi, TX (4,6,7,8)
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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 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.