Monday, January21, 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 7:19AMSunset 6:02PM Monday January 21, 2019 12:35 PM CST (18:35 UTC) Moonrise 6:50PMMoonset 7:44AM Illumination 99% Phase: Full Moon; 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- 927 Am Cst Mon Jan 21 2019
Rest of today..Southeast wind 10 to 15 knots increasing to 15 to 20 knots late in the afternoon. Seas 2 to 4 feet with occasional seas up to 5 feet.
Tonight..Southeast wind 15 to 20 knots becoming south 20 to 25 knots after midnight. Seas 4 to 6 feet with occasional seas up to 8 feet building to 6 to 8 feet with occasional seas up to 10 feet after midnight.
Tuesday..South wind 20 to 25 knots decreasing to 15 to 20 knots in the afternoon. Seas 6 to 8 feet with occasional seas up to 10 feet. A slight chance of showers.
Tuesday night..South wind 10 to 15 knots becoming northwest 25 to 30 knots after midnight. Seas 5 to 7 feet with occasional seas up to 9 feet. A chance of showers in the evening, then showers after midnight.
Wednesday..North wind 25 to 30 knots decreasing to 20 to 25 knots in the afternoon. Seas 6 to 8 feet with occasional seas up to 10 feet. Showers likely in the morning, then a chance of showers in the afternoon.
Wednesday night..North wind 15 to 20 knots decreasing to 10 to 15 knots after midnight. Seas 4 to 6 feet with occasional seas up to 8 feet.
Thursday..East wind 5 to 10 knots shifting southeast in the afternoon. Seas 2 to 3 feet.
Thursday night..Southeast wind 5 to 10 knots becoming east 10 to 15 knots after midnight. Seas 2 to 3 feet building to 3 to 5 feet with occasional seas up to 6 feet after midnight.
Friday..Northeast wind 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet.
Friday night..East wind around 10 knots shifting southeast after midnight. Seas 2 to 4 feet with occasional seas up to 5 feet.
GMZ200 927 Am Cst Mon Jan 21 2019
Synopsis for the middle texas coastal waters.. Onshore flow will strengthen, and seas will build, today as surface low pressure deepens over the southern plains. Onshore flow will become strong over the coastal waters tonight and continue Tuesday. Winds will briefly subside early Tuesday night as a cold front approaches. Strong offshore flow will then develop behind the front with small craft advisory conditions likely once again with some gusts to gale force possible. Numerous to widespread showers will be possible along and behind this front. The rain will end by Wednesday evening. Cooler and drier conditions will then prevail through Thursday night. Offshore flow and seas will slowly subside Wednesday night and Thursday. A weak but dry cold front will move through on Friday morning.


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 211826
afdcrp
area forecast discussion
national weather service corpus christi tx
1226 pm cst Mon jan 21 2019

Discussion
Note aviation discussion below corresponding to the 18z tafs.

Aviation
PredominateVFR conditions this afternoon evening, will transition
to a mixture of MVFR ifr ceilings overnight early Monday.

Anticipate non-convective llws around kali westward during the
10-13z Tuesday period. Isolated showers may occur over portions
of the victoria crossroads, including kvct, toward the end of the
taf period.

Prev discussion issued 535 am cst Mon jan 21 2019
discussion...

update for 12z aviation
aviation...

morning fog has not fully develop as of writing but there is a
still a short window this morning, around sunrise, where we could
see patchy fog develop across south texas. Therefore, carried the
tempo for MVFR conditions until 14z. Strong southeasterly winds
will be the main concern today due to a strengthening low-level
jet. Gusts will range from 25-30 knots at all terminals. Winds
will briefly relax this evening but will pick back up before
midnight. Onshore flow today will allow for low-level moisture to
increase leading to low to mid level clouds this afternoon.

Ceilings are expected to remainVFR throughout the remainder of
the period.

Prev discussion... Issued 412 am cst Mon jan 21 2019
short term (today through Tuesday)...

onshore flow will continue to strengthen today as low pressure deepens
over the plains. As a result, gulf moisture will gradually
increase across the region. Went with a slight chance of isolated
showers tonight as moisture increases and a zone of low-level
moisture convergence sets up across the northern coastal bend and
victoria crossroads. We will see better rain chances on Tuesday as
low-level moisture increases in response to strengthening onshore
flow. Instability remains fairly low, therefore am only expecting
isolated showers throughout the day, mainly confined to the
northeast portions of the cwa. The fog potential looks to be
fairly low tonight as a low level jet (around 40 knots at 925 mb)
will keep us windy enough to negate any fog).

The strong low-level jet will allow for temperatures to warm over
the next couple of days. Temps today will be slightly above
normal. Lows tonight are likely to run roughly 10+ degrees above
normal. Highs on Tuesday will also be several degrees above normal
with some spots across the southern coastal plains nearing 80
degrees.

Long term (Tuesday night through Sunday)...

a deepening upper level trough will dig into texas by Tuesday night
into Wednesday. An associated strong cold front will push through
south texas Tuesday night. With a fair amount of moisture pooling
over south texas... Especially the coastal bend and coastal plains as
well as upper level divergence, will expect high rain chances
Tuesday night into Wednesday. CAPE remains limited, thus will
continue to leave thunder out of the forecast at this time. As upper
level trough lags a bit behind the front, will keep chance pops
through the coastal bend and into the brush country through mid-day
Wednesday, then just slight chance to low end chance pops along the
coast by Wednesday afternoon. Strong offshore flow will develop
during the day Wednesday behind the front. Wind advisories may be
needed along the coast for Wednesday morning. Improving conditions
are expected by Wednesday afternoon as the front quickly pushes
eastward. Surface ridge builds Thursday with drier conditions and
lighter winds. Another shortwave rotates through the region on
Friday with a weak frontal passage expected. With limited moisture
over the region will keep conditions dry with this front. Over the
weekend, yet another system becomes possible. Plenty of questions
still exist with this system as timing and moisture differ between
models. Have gone ahead and added some slight chance pops offshore
and into the coastal bend to indicate the potential, but confidence
is only moderate at this time, especially with timing questions
(ecmwf being quite a bit faster). Not going to get caught up in the
details of wind and other elements of this front this far our with
two other fronts expected in the meantime.

Colder temperatures expected behind the front with highs only in the
50s on Wednesday. With clear skies and light winds, set up looks
good for some very cold temperatures Wednesday night. Could
certainly approach freezing at some inland locations, but so far,
not expecting a widespread freeze. Slightly warmer temperatures will
return Thursday into Friday as weak onshore flow resumes. Not
expecting a significant impact on temperatures with Friday front
with near normal temperatures expected late week and into the
weekend.

Marine...

onshore flow will strengthen today as our next cold front
approaches the region. Winds will reach small craft advisory
criteria across the offshore waters this evening with the
nearshore waters likely reaching criteria late in the night.

While onshore flow weakens Tuesday night, elevated seas will
likely continue and SCA may need to be extended through the
evening and night. Once a strong cold front passes early Wednesday
morning, SCA will be necessary once again. Gale force wind gusts
will be possible for a few hours, and a gale watch may become
necessary later today. Expect improving conditions Wednesday
afternoon into Wednesday night.

Preliminary point temps pops
Corpus christi 59 76 44 54 37 10 20 70 40 10
victoria 57 72 41 52 33 20 20 70 50 10
laredo 55 74 46 58 38 10 10 20 10 0
alice 57 79 44 56 35 10 10 60 30 10
rockport 61 71 43 53 40 20 20 70 50 10
cotulla 53 72 44 58 35 10 10 30 20 0
kingsville 58 80 45 56 36 10 10 60 30 10
navy corpus 62 72 45 54 43 10 20 70 50 10

Crp watches warnings advisories
Tx... None.

Gm... Small craft advisory from 6 pm this evening to 6 pm cst Tuesday
for the following zones: 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.

Wc 87... Aviation


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MQTT2 - 8775870 - Malaquite Beach (Corpus Christi), TX 6 mi41 min SE 11 G 12 63°F 58°F1021.3 hPa
PACT2 - 8775792 - Packery Channel, TX 9 mi41 min SE 9.9 G 17 65°F 57°F1021.9 hPa
IRDT2 10 mi41 min 64°F 56°F1022.1 hPa
BABT2 - 8776604 - Baffin Bay; Point of Rocks, TX 20 mi41 min ESE 12 G 16 62°F 58°F1021.6 hPa
PTAT2 - Port Aransas, TX 22 mi35 min SE 11 G 11 62°F 57°F1021.9 hPa (-0.9)55°F
RTAT2 - 8775237 - Port Aransas, TX 22 mi41 min S 8.9 G 12 64°F 58°F1022 hPa
ANPT2 23 mi41 min ESE 9.9 G 11 62°F 57°F1021 hPa
TAQT2 - 8775296 - Texas State Aquarium, TX 24 mi41 min 62°F 57°F1020.9 hPa
NUET2 28 mi41 min SE 15 G 19 57°F1021.5 hPa
RCPT2 - 8774770 - Rockport, TX 35 mi41 min 62°F 1022 hPa
42020 - Corpus Christi, TX 50NM Southeast of Corpus Christi, TX 45 mi35 min SSE 16 G 19 66°F 69°F1021.9 hPa (-0.5)58°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 mi39 minSSE 1410.00 miFair70°F54°F57%1021.6 hPa
Port Aransas, Mustang Beach Airport, TX20 mi40 minSE 1010.00 miFair65°F55°F71%1022.7 hPa

Wind History from NGP (wind in knots)
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Last 24hrNE8NE5E5E4E6SE7SE7SE8SE8E7E7SE8SE9SE7SE7SE7SE7SE8SE7S7S8S13SE15SE14
1 day agoNW25
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Tide / Current Tables for Corpus Christi, Texas
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Corpus Christi
Click for Map
Mon -- 07:19 AM CST     Sunrise
Mon -- 07:43 AM CST     Moonset
Mon -- 08:35 AM CST     -1.13 feet Low Tide
Mon -- 05:42 PM CST     1.58 feet High Tide
Mon -- 06:00 PM CST     Sunset
Mon -- 06:50 PM CST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.110.80.50.2-0.3-0.6-0.9-1.1-1.1-1-0.7-0.20.30.81.21.41.61.61.51.41.31.31.2

Tide / Current Tables for Aransas Pass, Texas Current
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Aransas Pass
Click for Map
Mon -- 12:50 AM CST     -0.00 knots Slack
Mon -- 07:19 AM CST     Sunrise
Mon -- 07:42 AM CST     -2.44 knots Max Ebb
Mon -- 07:43 AM CST     Moonset
Mon -- 01:00 PM CST     0.00 knots Slack
Mon -- 05:30 PM CST     2.24 knots Max Flood
Mon -- 05:59 PM CST     Sunset
Mon -- 06:49 PM CST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.3-0-0.3-0.7-1.2-1.7-2.1-2.4-2.4-2.3-1.9-1.4-0.8-00.81.622.22.22.11.91.71.30.9

Weather Map and Satellite Images
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wmap_A
GOES 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.
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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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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.