Wednesday, February20, 2019 L-36.com


Marine Weather and Tides
Corpus Christi, TX

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 7:01AMSunset 6:25PM Wednesday February 20, 2019 6:02 PM CST (00:02 UTC) Moonrise 7:50PMMoonset 7:57AM Illumination 98% 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- 414 Pm Cst Wed Feb 20 2019
Tonight..Northeast wind 10 to 15 knots. Seas 3 to 4 feet with occasional seas up to 5 feet. A chance of showers after midnight.
Thursday..Northeast wind 10 to 15 knots. Seas 3 to 4 feet with occasional seas up to 5 feet. A slight chance of showers.
Thursday night..Northeast wind 10 to 15 knots becoming east 5 to 10 knots after midnight. Seas 2 to 4 feet with occasional seas up to 5 feet. Patchy fog in the evening. Areas of fog after midnight. A slight chance of showers.
Friday..Southeast wind 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Patchy fog. A slight chance of showers.
Friday night..Southeast wind 10 to 15 knots becoming south 15 to 20 knots after midnight. Seas 3 to 4 feet with occasional seas up to 5 feet building to 4 to 6 feet with occasional seas up to 8 feet after midnight. Areas of fog. A slight chance of showers and isolated Thunderstorms.
Saturday..Southwest wind around 15 knots shifting northwest in the afternoon. Seas 4 to 6 feet with occasional seas up to 8 feet. Areas of fog in the morning. A slight chance of showers.
Saturday night..North wind 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet.
Sunday..Northeast wind 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet.
Sunday night..East wind 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. A slight chance of showers.
Monday..East wind 10 to 15 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. A chance of showers.
Monday night..East wind 10 to 15 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. A chance of showers.
GMZ200 414 Pm Cst Wed Feb 20 2019
Synopsis for the middle texas coastal waters.. Weak to moderate northeast flow will persist through Thursday. Rain chances will return late tonight into Thursday as remnants of the morning cold front return north as a warm front. Rain chances will diminish some Thursday evening, but return again late Thursday night. Weak southeast flow Thursday night will return patchy to areas of sea fog across the bays and nearshore waters. Rain chances will continue across area waters through the end of the work week and into the weekend until a cold front moves across the area Saturday morning. Areas of fog may result in reduced visibilities for most of Friday through late Saturday morning until the frontal passage. Moderate to strong southerly winds are expected Saturday morning before the front, with moderate northwest winds behind the front. Wind speeds should diminish slightly during the afternoon. Drier conditions are expected for Sunday, but more rain chances are expected on Monday.


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 202338
afdcrp
area forecast discussion
national weather service corpus christi tx
538 pm cst Wed feb 20 2019

Discussion
Updated for 00z aviation discussion.

Aviation
Front has stalled offshore and low level moisture is already
streaming back in toward the coast over the boundary. Strato-cu
with ceilings around 6000 feet cover the waters and immediate
coast and these clouds should slowly push inland and eventually
lower overnight. Most of the night will featureVFR ceilings but
toward daybreak much of the eastern 1 2 of the region should
become MVFR. Vct will likely see ifr ceilings by Thursday
afternoon as better low level moisture surges in. No
precipitation or restrictions to visibility expected through the
period.

Prev discussion issued 427 pm cst Wed feb 20 2019
short term (tonight through Thursday night)...

pleasant and dry conditions this afternoon under mostly sunny
skies. The earlier frontal boundary is well offshore noted by the
cloud deck across the northwestern gulf on visible satellite.

Surface high pressure will shift off to the northeast which will
allow the stalled front to lift back north as a warm front coastal
trough later tonight. Moisture will gradually increase through
the night, with low level clouds forming late in the night.

Isentropic lift for light rain and showers increases late in the
night after midnight, with greatest rain chances focusing across
the waters. Rain chances will move inland but are expected to
quickly shift focus toward the northeast toward the victoria
crossroads as a weak mid-level shortwave helps lift the weak
trough to the northeast. Rain chances will increase again Thursday
night, again with greatest focus across the northeast, as the
weak coastal trough slightly strengthens and redraws moisture back
to the south. Sufficient isentropic lifting across the western
brush country should keep at least slight to low- end chance pops
for Thursday night.

As for lows tonight, with the increase in moisture, lows should
be warmer than last night with lows in the mid to upper 40s across
inland areas from laredo to victoria and northwest. Southeast of
that line, lows in the low to mid 50s are expected. Thursday highs
will range from the low to mid 60s across the northeast where
chances for rain remain greatest, to the upper 60s to low 70s to
the southwest. Even warmer conditions are expected Thursday night
with lows into the mid to upper 50s across the region.

With the return of moisture, did include patchy to areas of fog
across the bays and nearshore waters for Thursday night. With
water temperatures in the mid to upper 50s, warm and moist air
lifting over the cooler shelf waters will promote sea fog,
possibly becoming dense at times.

Long term (Friday through Wednesday)...

isentropic ascent along a departing warm front may lead to a few
scattered showers during the day Friday, but the best chances for
rain will move north of the area along with the warm front. A strong
shortwave trough digging into the southern rockies on Friday will
eject northeast through the texas panhandle and towards the middle
mississippi valley on Saturday bringing a cold front through our
area. The models continue to maintain good agreement with the timing
of the frontal passage. The front should enter the rio grande plains
during the early morning hours and move completely south and east of
the forecast area by noon. Slight chance to chance pops were
maintained in the forecast, but the greatest large scale forcing for
ascent should be far to our north, so only a few scattered showers
are expected, and the best chances will be across the victoria
crossroads. An isolated thunderstorm still cannot be completely
ruled out immediately ahead of the front. A tight pressure gradient
from the strong lee surface trough will likely bring breeze
conditions and possibly elevated fire weather conditions across the
rio grande plains Saturday afternoon as dry air quickly advects into
the region from the northwest.

Dry weather is expected on Sunday, but another warm front will
slowly move northward along the gulf coast early next week. More
intermittent rain chances and persistent cloud cover is expected
from Monday through Wednesday.

Marine...

weak to moderate northeast wind is expected tonight through
Thursday. Winds will gradually become more east to southeast
Thursday night as a coastal trough lifts north. Isolated to
scattered showers or light rain is expected Thursday night. With
the return of moisture, did include patchy to areas of fog across
the bays and nearshore waters for Thursday night. Water
temperatures in the mid to upper 50s combined with warm, moist air
lifting over the cooler shelf waters will promote sea fog,
possibly becoming dense at times.

Weak to moderate onshore flow is expected Friday before
strengthening Friday night and into Saturday morning ahead of a cold
front. Winds may reach advisory criteria Friday night and early
Saturday. The cold front is expected to move across the waters
Saturday morning, with winds diminishing and becoming offshore after
the frontal passage. More onshore flow is expected by Sunday
afternoon.

Preliminary point temps pops
Corpus christi 53 67 59 76 65 10 20 20 20 20
victoria 48 62 54 74 64 10 30 40 40 30
laredo 48 71 58 77 60 10 10 20 20 10
alice 52 69 57 78 65 10 10 20 20 20
rockport 55 64 58 70 64 10 20 30 30 20
cotulla 46 69 54 73 58 10 10 20 30 20
kingsville 53 70 59 79 66 10 10 20 20 20
navy corpus 57 65 60 73 66 20 20 20 20 20

Crp watches warnings advisories
Tx... None.

Gm... None.

Tj 99... Aviation


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MQTT2 - 8775870 - Malaquite Beach (Corpus Christi), TX 6 mi33 min NNE 8 G 8.9 59°F 60°F1012.1 hPa
PACT2 - 8775792 - Packery Channel, TX 9 mi33 min ENE 8 G 9.9 59°F 58°F1012.7 hPa
IRDT2 10 mi39 min 59°F 59°F1013.1 hPa
BABT2 - 8776604 - Baffin Bay; Point of Rocks, TX 20 mi33 min NE 8.9 G 12 59°F 63°F1012.6 hPa
PTAT2 - Port Aransas, TX 22 mi63 min E 8.9 G 8.9 58°F 59°F1012.7 hPa (-1.6)47°F
RTAT2 - 8775237 - Port Aransas, TX 22 mi33 min E 6 G 7 59°F 58°F1012.7 hPa
ANPT2 23 mi33 min NNE 8 G 9.9 59°F 58°F1011.5 hPa
TAQT2 - 8775296 - Texas State Aquarium, TX 24 mi33 min 60°F 63°F1011.5 hPa
NUET2 28 mi39 min ESE 8.9 G 11 62°F1012.4 hPa
RCPT2 - 8774770 - Rockport, TX 35 mi33 min 61°F 1012.3 hPa
42020 - Corpus Christi, TX 50NM Southeast of Corpus Christi, TX 45 mi33 min NNE 16 G 19 61°F 66°F1012.1 hPa55°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 mi67 minE 910.00 miMostly Cloudy63°F45°F52%1012.7 hPa
Port Aransas, Mustang Beach Airport, TX20 mi68 minENE 810.00 miOvercast60°F47°F64%1013.5 hPa

Wind History from NGP (wind in knots)
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Last 24hrN14N10N10N10N10N10N15N17N19N19
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N15NE14NE12NE15NE15NE12NE13NE15NE15

Tide / Current Tables for Corpus Christi, Texas
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Corpus Christi
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Wed -- 01:28 AM CST     1.19 feet High Tide
Wed -- 07:01 AM CST     Sunrise
Wed -- 07:57 AM CST     Moonset
Wed -- 09:32 AM CST     -0.59 feet Low Tide
Wed -- 05:10 PM CST     1.18 feet High Tide
Wed -- 06:23 PM CST     Sunset
Wed -- 07:50 PM CST     Moonrise
Wed -- 10:17 PM CST     0.83 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.11.21.21.10.80.50.2-0.2-0.4-0.6-0.6-0.4-0.20.20.60.91.11.21.11.110.90.80.8

Tide / Current Tables for Aransas Pass, Texas Current
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Aransas Pass
Click for Map
Wed -- 03:16 AM CST     -0.00 knots Slack
Wed -- 07:01 AM CST     Sunrise
Wed -- 07:56 AM CST     Moonset
Wed -- 08:45 AM CST     -1.65 knots Max Ebb
Wed -- 01:39 PM CST     0.00 knots Slack
Wed -- 05:15 PM CST     1.33 knots Max Flood
Wed -- 06:22 PM CST     Sunset
Wed -- 07:49 PM CST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.30.20.1-0.2-0.7-1.1-1.4-1.6-1.6-1.5-1.3-1-0.40.20.81.21.31.31.210.80.60.4

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 (19,4,5,8)
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Ground Weather Radar Station Corpus Christi, TX
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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.