Saturday, November17, 2018 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 6:51AMSunset 5:37PM Saturday November 17, 2018 6:03 PM CST (00:03 UTC) Moonrise 2:27PMMoonset 1:26AM Illumination 75% Phase: Waxing Gibbous; Moon at 10 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- 332 Pm Cst Sat Nov 17 2018
Tonight..Southeast wind around 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. A chance of showers.
Sunday..Southeast wind 10 to 15 knots. Seas 3 to 4 feet with occasional seas up to 5 feet. Showers likely and a slight chance of Thunderstorms.
Sunday night..Northeast wind 10 to 15 knots. Seas 3 to 4 feet with occasional seas up to 5 feet. Showers likely.
Monday..North wind 10 to 15 knots. Seas 3 to 4 feet with occasional seas up to 5 feet. Showers likely.
Monday night..North wind 15 to 20 knots. Seas 3 to 4 feet with occasional seas up to 5 feet. Showers likely.
Tuesday..North wind 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. A chance of showers.
Tuesday night..Northeast wind 15 to 20 knots decreasing to 10 to 15 knots after midnight. Seas 3 to 5 feet with occasional seas up to 6 feet. A chance of showers.
Wednesday..Northeast wind 10 to 15 knots. Seas 3 to 4 feet with occasional seas up to 5 feet. A chance of showers.
Wednesday night..North wind around 15 knots. Seas 3 to 4 feet with occasional seas up to 5 feet. A chance of showers.
Thursday..Northeast wind around 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 decreasing to 5 to 10 knots after midnight. Seas 3 to 4 feet with occasional seas up to 5 feet. A slight chance of showers.
GMZ200 332 Pm Cst Sat Nov 17 2018
Synopsis for the middle texas coastal waters.. A weak to moderate onshore flow will persist overnight. Increasing moisture and isentropic lift will bring scattered showers to the region tonight. Rain chances will increase on Sunday and Sunday night as a cold front moves through south texas and into the coastal waters. Anticipate numerous showers with isolated Thunderstorms on Sunday and more numerous showers Sunday night. Winds will gradually transition from a weak to moderate southeast flow Sunday to moderate northeast flow Sunday night as the front enters the coastal waters. A coastal trough will develop Monday and contribute to additional scattered to numerous showers, along with weak to moderate northeast flow. The trough will move farther offshore Tuesday and decrease the chance for precipitation, and north to northeast flow will increase to moderate levels. The coastal trough will redevelop Wednesday in response to an upper level disturbance and increase the chance for shower activity, along with weak to moderate east to northeast flow. As the upper system moves east, drier conditions will develop Thursday and decrease the chance for rainfall.


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 172334
afdcrp
area forecast discussion
national weather service corpus christi tx
534 pm cst Sat nov 17 2018

Discussion
Updated for 00z aviation discussion.

Aviation
Cigs will gradually decrease this evening and tonight for all
sites becoming MVFR to ifr. With increasing moisture expect some
moderate vis restrictions to develop as well. Light showers will
be possible through the night. A cold front currently in north
texas will move southward through the night and is expected to be
to victoria by mid-morning and through other sites by mid-day.

Generally MVFR CIGS are expected behind the front with the chance
for showers continuing. Gusty north winds will also develop behind
the front.

Previous discussion issued 419 pm cst Sat nov 17 2018
short term (tonight through Sunday night)...

tonight moisture will continue to increase across the region with
a moderate onshore flow. A few light showers and sprinkles have
already begun developing across the coastal bend and coastal
plains late this afternoon. Isentropic upglide will produce
scattered showers overnight, with coverage increasing across the
coastal bend into the victoria crossroads after midnight.

Additionally, patchy fog to areas of fog may develop late tonight
into early tomorrow morning. By early Sunday morning a cold front
will be positioned across the hill country. A cold front is still
expected to push south and through the region during the day
tomorrow. Confidence is not too high on the exact timing of the
fropa, as the NAM continues to surge the front more quickly
through the region and the coastal waters, while the GFS and ecmwf
bring the front through more gradually throughout the day. Leaned
towards a slightly slower solution, though still have the front
moving through the northern counties by 18z and to the coast by
around 00z. Anticipate the front to then stall over the coastal
waters, with a coastal trough then developing late Sunday night
into early Monday morning. Scattered to numerous showers will
develop over the region tomorrow morning, with the highest
coverage over the coastal waters and coastal bend. A few
thunderstorms may develop over these areas, but the majority of
the activity should be showers. Overrunning showers will persist
through the afternoon and into tomorrow night with the boundary
positioned over the coastal waters. Temperatures on Sunday are a
bit tricky, with highs being entirely dependent on timing of the
frontal passage. Anticipate highs will be reached closer to noon
in the mid upper 60s across the northern cwa, and in the low 70s
to the south and along the coast, with temps falling through the
afternoon. If the solution were closer to the swift timing of the
nam though, the high temperatures across the south and coast
could be a bust. Lows tonight will be in the lower 60s, with
tomorrow night cooler in the upper 40s to mid 50s.

Long term (Monday through Saturday)...

concur with the deterministic gfs ECMWF which predicts a coastal
trough to develop Monday, likely in part due to a weak upper
disturbance (identified with 700-300mb q-vector convergence.)
anticipate at least scattered convection in response. Tuesday,
concur with the gfs ECMWF with respect to the movement of the
surface trough offshore (yet ECMWF slower with this movement.) for
Tuesday night Wednesday, in response to another yet stronger upper
disturbance, the coastal trough redevelops. The combination of the
upper surface forcing likely to generate scattered convection by
Wednesday. Thursday, the upper disturbance moves east of the region
(gfs ECMWF gfs ensemble mean) resulting in drier conditions.

Although the GFS predicts pwat values to be above normal
Friday Saturday, high condensation pressure deficits are predicted
to remain over the cwa, and do not anticipate significant
precipitation.

Marine...

onshore flow will persist overnight with a chance for showers. A
cold front will move into the waters overnight and stall.

Scattered to numerous showers will be possible Sunday and Sunday
night. A coastal trough develops Monday and contributes
convection, moves offshore Tuesday in response to the upper
pattern, resulting in a decreasing chance for convection and scec
wind, then moves back to the coast Wednesday in response to an
upper level disturbance and thus increasing the chance for
convection. Drier Thursday as the upper system moves east.

Isentropic lift weak condensation pressure deficits may contribute
to isolated showers patchy light rain Thursday Friday.

Preliminary point temps pops
Corpus christi 64 73 53 59 52 50 70 60 60 50
victoria 60 68 48 55 47 50 70 60 60 40
laredo 61 70 51 57 49 20 40 50 40 20
alice 62 71 51 57 49 40 70 50 50 40
rockport 65 71 52 59 52 50 70 60 70 50
cotulla 60 65 49 57 47 30 40 40 40 20
kingsville 63 74 53 59 51 40 70 60 60 40
navy corpus 68 74 56 62 55 50 70 60 60 50

Crp watches warnings advisories
Tx... None.

Gm... None.

Ph 83... Aviation


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MQTT2 - 8775870 - Malaquite Beach (Corpus Christi), TX 6 mi34 min E 18 G 19 70°F 66°F1016.5 hPa
PACT2 - 8775792 - Packery Channel, TX 9 mi34 min ESE 12 G 15 71°F 59°F1017.1 hPa
IRDT2 10 mi34 min 70°F 60°F1017.3 hPa
BABT2 - 8776604 - Baffin Bay; Point of Rocks, TX 20 mi34 min ESE 11 G 14 68°F 60°F1016.7 hPa
PTAT2 - Port Aransas, TX 22 mi64 min ESE 12 G 13 69°F 66°F1017.1 hPa (-0.4)64°F
RTAT2 - 8775237 - Port Aransas, TX 22 mi34 min SSE 8.9 G 13 70°F 62°F1017.4 hPa
ANPT2 23 mi34 min ESE 13 G 15 69°F 1016.3 hPa
TAQT2 - 8775296 - Texas State Aquarium, TX 24 mi34 min 65°F 62°F1016.2 hPa
NUET2 28 mi34 min ESE 14 G 17 62°F1017 hPa
RCPT2 - 8774770 - Rockport, TX 35 mi34 min NNE 4.1 G 5.1 65°F 1017.3 hPa
42020 - Corpus Christi, TX 50NM Southeast of Corpus Christi, TX 45 mi24 min ESE 19 G 25 74°F 77°F1016.7 hPa68°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 mi2.1 hrsSE 910.00 miOvercast73°F64°F76%1016.8 hPa
Port Aransas, Mustang Beach Airport, TX20 mi69 minESE 810.00 miOvercast70°F64°F82%1017.6 hPa

Wind History from NGP (wind in knots)
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Last 24hrSE7E6E6E6--E4CalmCalmSW4CalmCalmCalmNE5CalmNE3NE6NE7NE6SE7SE10SE7SE7SE9SE12
1 day agoS6S5S6S5S6S5--SW7SW6SW5SW6W5W5NW4NW4N3NE5NW4E5SE7E9E8SE8SE8
2 days agoN8N8N10NE7E5E6E4E4CalmW4W8W6W6W6CalmNW4343S7S10SE10S7S8

Tide / Current Tables for Corpus Christi, Texas
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Corpus Christi
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Sat -- 01:26 AM CST     Moonset
Sat -- 06:31 AM CST     1.11 feet Low Tide
Sat -- 06:51 AM CST     Sunrise
Sat -- 09:45 AM CST     1.21 feet High Tide
Sat -- 02:27 PM CST     Moonrise
Sat -- 03:55 PM CST     0.89 feet Low Tide
Sat -- 05:36 PM CST     Sunset
Sat -- 11:06 PM CST     1.66 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.71.61.51.41.31.21.11.11.21.21.21.21.1110.90.90.911.11.31.51.61.7

Tide / Current Tables for Aransas Pass, Texas Current
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Aransas Pass
Click for Map
Sat -- 01:25 AM CST     Moonset
Sat -- 04:45 AM CST     -0.00 knots Slack
Sat -- 06:50 AM CST     Sunrise
Sat -- 07:39 AM CST     -0.39 knots Max Ebb
Sat -- 10:35 AM CST     -0.17 knots Min Ebb
Sat -- 01:29 PM CST     -0.32 knots Max Ebb
Sat -- 02:25 PM CST     -0.32 knots Min Ebb
Sat -- 02:26 PM CST     Moonrise
Sat -- 03:49 PM CST     -0.33 knots Max Ebb
Sat -- 05:34 PM CST     Sunset
Sat -- 07:30 PM CST     0.00 knots Slack
Sat -- 11:16 PM CST     0.75 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.90.80.60.40.2-0.1-0.2-0.4-0.4-0.3-0.2-0.2-0.3-0.3-0.3-0.3-0.3-0.3-0.2-0.10.10.40.60.7

Weather Map and Satellite Images
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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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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.