Friday, January17, 2020
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Marine Weather and Tides
Corpus Christi, TX

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 7:20AMSunset 5:58PM Friday January 17, 2020 10:18 AM CST (16:18 UTC) Moonrise 12:26AMMoonset 12:25PM Illumination 51% Phase: Third Quarter Moon; Moon at 22 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- 933 Am Cst Fri Jan 17 2020
.dense fog advisory in effect until noon cst today...
Rest of today..Southeast wind 10 to 15 knots. Seas 3 to 4 feet with occasional seas up to 5 feet.
Tonight..South wind 5 to 10 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Patchy fog after midnight. A slight chance of showers after midnight.
Saturday..East wind around 5 knots shifting northeast in the afternoon. Seas 2 to 3 feet. Patchy fog in the morning. A chance of showers in the morning, then showers likely in the afternoon.
Saturday night..Northeast wind 15 to 20 knots becoming north 20 to 25 knots after midnight. Seas 4 to 6 feet with occasional seas up to 8 feet. A chance of showers.
Sunday..North wind 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. A slight chance of showers.
Sunday night..Northeast wind 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet.
Monday..Northeast wind 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet.
Monday night..Northeast wind 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet.
Tuesday..East wind 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet.
Tuesday night..Southeast wind 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. A chance of showers.
GMZ200 933 Am Cst Fri Jan 17 2020
Synopsis for the middle texas coastal waters.. Areas of sea fog will continue this morning along the coast. Weak to moderate onshore flow can be expected today, becoming light tonight. Isolated showers will be possible today, becoming scattered tonight. Weak northerly flow Saturday morning will develop behind a coastal trough. Numerous showers and isolated Thunderstorms will be possible Saturday. A cold front will move across the waters Saturday night and trigger scattered showers. Drier and moderate to strong offshore flow expected Saturday night and Sunday after frontal passage. Moderate northeast flow will persist Monday in response to a secondary surge of high pressure. Weak to moderate onshore flow will develop Tuesday in advance of an upper level disturbance. Isolated to scattered showers Tuesday night.


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 171133 AFDCRP

Area Forecast Discussion National Weather Service Corpus Christi TX 533 AM CST Fri Jan 17 2020

DISCUSSION.

See aviation discussion below for the 12Z TAFs.

AVIATION.

LIFR/IFR conditions this morning are expected to lift to MVFR by mid morning and VFR this afternoon as CIGs lift above 3000ft. Conditions are expected to deteriorate once again this evening with possible LIFR/IFR conditions late tonight. A surface trough is expected to meander across the Rio Grande Plains and Brush Country today. This will lead to scattered showers and thunderstorms across mainly the COT TAF site. isolated to scattered SHRAs will continue across S TX through much of today, then diminishing by late this afternoon.

PREV DISCUSSION. /Issued 429 AM CST Fri Jan 17 2020/

SHORT TERM (Today through Saturday) .

Patchy fog across eastern portions of S TX and over the bays and nearshore waters this morning, is expected to lift by mid to late morning.

A surface trough axis remains nearly stationary across the far western CWA this morning. Several models keep this bdry nearly stationary or meandering across the western CWA through much of today. As a result, cooler conditions with lower dewpoints will likely persist across the Rio Grande Plains. Rain chances will also remain highest across the northwest CWA through much of today due to the low level convergence combined with an upper short wave and deeper moisture. PWATs around 1.5 inches are progged across the northwest areas while PWATs are expected to drop across the eastern areas as a pocket of drier air advects northward through this afternoon. Some weak instability across the western CWA may lead to a few thunderstorms today as well. Rain chances should diminish from south to north across the entire CWA by late afternoon with little to no rain expected this evening.

Another deeper short wave and increasing PWATs across S TX overnight will lead to increasing rain chances towards Sat morning. Patchy fog will also be possible once again tonight, mainly eastern areas with a better chance of sea fog across the bays and nearshore waters.

The surface trough/pre-frontal boundary is progged to slowly shift east Sat with high pressure beginning to build across S TX by Sat afternoon. Low level convergence with the trough, deepening moisture, weak to moderate CAPE and the stronger short wave aloft should produce numerous showers and isolated thunderstorms across a majority of S TX Saturday. The colder/drier airmass and slightly stronger northerly winds with the main cold front will be lagging behind the pre-frontal trough by a couple of hours but should be through S TX by late Sat afternoon.

LONG TERM (Saturday night through Thursday) .

Cooler and drier conditions expected Saturday night after passage of a cold front. In response to an upper disturbance predicted to move SWD across the NRN Plains/Great Lakes, then across the Mississippi Valley/SERN CONUS, surface high pressure is expected to persist over the CWA after frontal passage through Monday night. Ekman forcing associated with persistent NE flow over the MSA may cause water levels to approach 2ft MSL Monday/Monday night during the time of high tide. Onshore flow is expected to commence Tuesday afternoon as surface high pressure finally moves east, and as an upper system approaches from the west. This upper system Tuesday night, development of a coastal trough Tuesday night/Wednesday, and another upper disturbance Wednesday night/Thursday (GFS/ECMWF deterministic runs), are expected to contribute to convection over the CWA Tuesday night through Thursday.

MARINE .

Areas of sea fog will continue this morning along the coast. Weak to moderate onshore flow can be expected today, becoming light tonight. Isolated showers will be possible today, becoming scattered late tonight. Weak northerly flow Saturday morning will develop as a trough approaches the area. Numerous showers and isolated thunderstorms will be possible Saturday. In respone to an upper disturbance predicted to move across the Plains, a cold front is expected to move across the Waters Saturday night and trigger additional scattered showers. Another upper system is predicted to move SWD across the NRN Plains/Great Lakes, then Mississippi Valley/SERN CONUS, and provide a secondary surge over surface high pressure over the Waters Monday/Monday night. Thus, expect persistent N/NE flow over the waters to continue through Monday night. Onshore flow develops Tuesday afternoon in advance of another upper system predicted to appraoch from the west. Upper disturbances and a coastal trough are expected to contribute to convection Tuesday night through Thursday.

PRELIMINARY POINT TEMPS/POPS. Corpus Christi 76 65 76 50 60 / 20 30 60 30 10 Victoria 74 64 75 46 59 / 30 40 50 10 10 Laredo 67 60 74 50 59 / 50 30 30 30 10 Alice 78 65 77 50 60 / 30 40 50 30 10 Rockport 68 65 74 49 60 / 20 30 60 30 10 Cotulla 65 59 74 46 60 / 60 30 30 10 10 Kingsville 77 65 78 51 59 / 20 30 60 30 10 Navy Corpus 70 66 73 51 59 / 10 20 60 40 20

CRP WATCHES/WARNINGS/ADVISORIES. TX . None. GM . Dense Fog Advisory until noon CST today For the following zones: Bays and Waterways from Baffin Bay to Port Aransas . Bays and Waterways from Port Aransas to Port O'Connor . Coastal waters from Baffin Bay to Port Aransas out 20 NM . Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM.



TE/81 . AVIATION


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MQTT2 - 8775870 - Malaquite Beach (Corpus Christi), TX 6 mi49 min E 6 G 7 67°F 69°F1022.1 hPa
PACT2 - 8775792 - Packery Channel, TX 9 mi49 min ESE 6 G 8.9 70°F 70°F1022.5 hPa
IRDT2 10 mi49 min SE 8.9 G 11 70°F 1022.9 hPa
BABT2 - 8776604 - Baffin Bay; Point of Rocks, TX 20 mi49 min ESE 12 G 15 70°F 72°F1022.3 hPa
PTAT2 - Port Aransas, TX 22 mi79 min E 7 G 7 67°F 65°F1022.2 hPa (+1.2)67°F
RTAT2 - 8775237 - Port Aransas, TX 22 mi49 min E 6 G 8 69°F 69°F1022.8 hPa
ANPT2 23 mi49 min ENE 7 G 8 67°F 66°F1021.8 hPa
TAQT2 - 8775296 - Texas State Aquarium, TX 24 mi49 min 69°F 70°F1021.8 hPa
NUET2 28 mi49 min S 9.9 G 14 71°F1022.8 hPa
RCPT2 - 8774770 - Rockport, TX 35 mi49 min 70°F 1022.7 hPa
42020 - Corpus Christi, TX 50NM Southeast of Corpus Christi, TX 45 mi29 min SSE 7.8 G 9.7 72°F 68°F4 ft1022.3 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 mi83 minESE 710.00 miOvercast70°F69°F97%1022.2 hPa
Port Aransas, Mustang Beach Airport, TX20 mi24 minE 510.00 miPartly Cloudy68°F65°F92%1023.4 hPa

Link to 5 minute data for KNGP

Wind History from NGP (wind in knots)
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Last 24hrSE11SE12SE15SE14SE15SE14SE15SE14E12E14E14E12E12E11E5E7E6E10E6E5E5SE6SE7SE7
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Tide / Current Tables for Corpus Christi, Texas
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Corpus Christi
Click for Map
Fri -- 12:26 AM CST     Moonrise
Fri -- 02:49 AM CST     0.18 feet Low Tide
Fri -- 07:00 AM CST     Last Quarter
Fri -- 07:20 AM CST     Sunrise
Fri -- 09:01 AM CST     0.80 feet High Tide
Fri -- 12:25 PM CST     Moonset
Fri -- 02:50 PM CST     0.52 feet Low Tide
Fri -- 05:57 PM CST     Sunset
Fri -- 07:57 PM CST     0.83 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.30.20.20.20.30.50.70.80.80.80.70.60.60.50.50.50.60.70.80.80.80.70.5

Tide / Current Tables for Aransas Pass, Texas Current
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Aransas Pass
Click for Map
Fri -- 12:25 AM CST     Moonrise
Fri -- 04:29 AM CST     -0.63 knots Max Ebb
Fri -- 07:00 AM CST     Last Quarter
Fri -- 07:20 AM CST     Sunrise
Fri -- 07:50 AM CST     0.00 knots Slack
Fri -- 09:58 AM CST     0.33 knots Max Flood
Fri -- 11:45 AM CST     0.28 knots Min Flood
Fri -- 12:24 PM CST     Moonset
Fri -- 02:34 PM CST     0.39 knots Max Flood
Fri -- 05:08 PM CST     0.32 knots Min Flood
Fri -- 05:56 PM CST     Sunset
Fri -- 08:29 PM CST     0.47 knots Max Flood
Fri -- 10:48 PM CST     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Weather Map
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wmap_A
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Corpus Christi, TX (11,2,3,4)
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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 numerous 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.