Thursday, July2, 2020
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Marine Weather and Tides
Rockport, 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 6:36AMSunset 8:30PM Thursday July 2, 2020 2:59 PM CDT (19:59 UTC) Moonrise 5:17PMMoonset 3:15AM Illumination 92% Phase: Waxing Gibbous; Moon at 12 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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GMZ235 Bays And Waterways From Port Aransas To Port O'connor- 205 Pm Cdt Thu Jul 2 2020
Tonight..South wind 10 to 15 knots decreasing to 5 to 10 knots late in the night. Bays slightly choppy to occasionally choppy. Haze.
Friday..South wind 5 to 10 knots shifting southeast in the afternoon. Bays smooth. Haze in the morning.
Friday night..South wind around 10 knots becoming 5 to 10 knots after midnight. Bays smooth.
Saturday..Southwest wind 5 to 10 knots becoming south 10 to 15 knots in the afternoon. Bays slightly choppy to occasionally choppy.
Saturday night..South wind 10 to 15 knots. Bays slightly choppy to occasionally choppy.
Sunday..South wind 10 to 15 knots. Bays slightly choppy to occasionally choppy.
Sunday night..South wind 10 to 15 knots. Bays slightly choppy to occasionally choppy.
Monday..South wind 10 to 15 knots. Bays slightly choppy to occasionally choppy.
Monday night..South wind 10 to 15 knots. Bays slightly choppy to occasionally choppy.
Tuesday..South wind 10 to 15 knots. Bays slightly choppy to occasionally choppy. A slight chance of showers and Thunderstorms.
Tuesday night..South wind 10 to 15 knots. Bays slightly choppy to occasionally choppy.
GMZ200 205 Pm Cdt Thu Jul 2 2020
Synopsis for the middle texas coastal waters.. Weak to moderate south to southeasterly flow will persist through Friday night. A generally weak to moderate southerly flow can be expected over the weekend, then flow will increase to moderate levels by Monday and Tuesday. Brief periods of moderate flow for the bays and nearshore waters south of port aransas can be expected each afternoon. Isolated showers and Thunderstorms return by Tuesday.


7 Day Forecast for Marine Location Near Rockport city, TX
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location: 27.99, -97.07     debug


Area Discussion for - Corpus Christi, TX
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FXUS64 KCRP 021707 AFDCRP

Area Forecast Discussion National Weather Service Corpus Christi TX 1207 PM CDT Thu Jul 2 2020

DISCUSSION.

Updated for 18Z Aviation Discussion.

AVIATION.

Mostly VFR conditions will persist through the TAF period. Haze could leave visibility a bit lower, but still within VFR criteria. MVFR conditions are possible around sunrise for all sites around sun-up, but expect conditions will improve to VFR by 14Z to 15Z Friday.

PREV DISCUSSION. /Issued 639 AM CDT Thu Jul 2 2020/

DISCUSSION .

Note Aviation Discussion below corresponding to the 12z TAFs.

AVIATION .

Mixture of MVFR and VFR ceilings early this morning will transition to predominate VFR by late morning/early afternoon. Around 6 miles in haze anticipated today in response to the Saharan Dust. Expect MVFR ceilings to develop 06-12z Friday, along with patchy MVFR visibilities. Generally light onshore flow early this morning, will become moderate/breezy late this morning through early evening. The wind will become generally light near the end of TAF period.

PREV DISCUSSION . /Issued 429 AM CDT Thu Jul 2 2020/

SHORT TERM (Today through Friday) .

Concur with deterministic runs that the upper level high pressure system will meander over the region during the period. The NAM predicts near normal PWAT values today, yet CIN and the upper ridge should preclude precipitation. Drier conditions Friday will preclude precipitation. Maximum Heat Index values 100-105F today and Friday. Applying expected sea state/wind to the local expert system suggests a low risk of rip currents today and Friday. Coastal flooding not expected during the period when considering persistence and ETSS output. GOES-16 Dust RGB depict the Saharan Dust over the region. The GMAO GOES FP Aerograms suggests that visibilities may become restricted today.

LONG TERM (Friday night through Wednesday) .

High pressure will remain in place through Friday, as will the hot temperatures and dry conditions. Going into the weekend the high pressure system will begin a slow shift to the west. Hot and dry conditions are still expected through the weekend. As the ridge moves west, a weak upper low will take its place over S TX going into Monday. As the low filters in, the available moisture will increase, as will our chances of precipitation, particularly over the Gulf waters, Coastal Bend, and Victoria Crossroads. EMCWF and GFS both show precipitable water values that are sufficient enough to warrant a chance of precipitation Tuesday and a slight chance on Wednesday. Instability appears to increase on Tuesday as well, and with significant CAPE values, would not be surprised to see some convective activity in these areas.

MARINE . Weak to moderate onshore flow expected today and Friday, due to surface high pressure over the NW Gulf of Mexico and surface low pressure over West TX. A weak to moderate southerly flow can be expected Friday night through Sunday, then increases slightly to moderate levels by Monday. Brief periods of moderate flow for the bays and nearshore waters south of Port Aransas can be expected each afternoon.

PRELIMINARY POINT TEMPS/POPS. Corpus Christi 92 74 93 73 94 / 0 0 0 0 0 Victoria 95 73 97 74 97 / 0 0 0 0 0 Laredo 102 74 101 76 101 / 0 0 0 0 0 Alice 96 73 97 72 99 / 0 0 0 0 0 Rockport 89 77 90 78 91 / 0 0 0 0 0 Cotulla 102 73 102 74 103 / 0 0 0 0 0 Kingsville 95 73 96 74 97 / 0 0 0 0 0 Navy Corpus 88 77 89 78 90 / 0 0 0 0 0

CRP WATCHES/WARNINGS/ADVISORIES. TX . None. GM . None.



LS/77 . AVIATION


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RCPT2 - 8774770 - Rockport, TX 3 mi60 min ESE 8.9 G 11 89°F 1015.7 hPa (-0.5)
RTAT2 - 8775237 - Port Aransas, TX 10 mi60 min ESE 8.9 G 12 85°F 86°F1014.8 hPa (-0.6)
ANPT2 11 mi60 min E 8.9 G 11 83°F 1014 hPa (-0.6)
PTAT2 - Port Aransas, TX 11 mi60 min SE 11 G 12 83°F 86°F1014.8 hPa (-0.5)79°F
MHBT2 13 mi138 min SSE 12 G 16 85°F
TAQT2 - 8775296 - Texas State Aquarium, TX 21 mi60 min 87°F 85°F1013.5 hPa (-0.8)
AWRT2 22 mi60 min S 8 G 9.9 87°F 85°F1014.5 hPa (-0.5)
NUET2 25 mi60 min SSE 9.9 G 12 86°F1014.3 hPa (-0.8)
PACT2 - 8775792 - Packery Channel, TX 26 mi60 min E 11 G 15 85°F 87°F1014.1 hPa (-0.8)
MQTT2 - 8775870 - Malaquite Beach (Corpus Christi), TX 29 mi60 min ESE 9.9 G 12 83°F
SDRT2 - 8773037 - Seadrift, TX 35 mi60 min SSE 8.9 G 11 87°F 87°F1015.4 hPa (-0.3)
IRDT2 38 mi60 min SE 15 G 18 85°F 1015 hPa (-0.8)
PCNT2 - 8773701 - Matagorda Bay; Port O'Connor, TX 48 mi60 min S 8.9 G 11 85°F 87°F1015.1 hPa (-0.3)
MBET2 49 mi60 min SSW 8 G 8.9 85°F 85°F1014.2 hPa (-0.4)

Wind History for Rockport, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Rockport Aransas County Airport, TX7 mi67 minSE 136.00 miPartly Cloudy with Haze91°F77°F64%1014.7 hPa
Mc Campbell, TX9 mi85 minS 11 G 1810.00 miFair91°F77°F64%1014.9 hPa
Port Aransas, Mustang Beach Airport, TX12 mi65 minSE 1010.00 miFair87°F78°F75%1015.2 hPa
Corpus Christi, Corpus Christi Naval Air Station/Truax Field, TX24 mi64 minSE 1410.00 miMostly Cloudy90°F80°F73%1014.3 hPa

Link to 5 minute data for KNGP

Wind History from NGP (wind in knots)
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1 day agoS19
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Tide / Current Tables for Rockport, Aransas Bay, Texas
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Rockport
Click for Map
Thu -- 04:14 AM CDT     Moonset
Thu -- 06:35 AM CDT     Sunrise
Thu -- 12:24 PM CDT     0.29 feet High Tide
Thu -- 06:16 PM CDT     Moonrise
Thu -- 08:28 PM CDT     Sunset
Thu -- 11:25 PM CDT     -0.17 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.1-0.1-0.1-000.10.10.20.20.20.30.30.30.30.30.20.20.10.10-0.1-0.1-0.2-0.2

Tide / Current Tables for Aransas Pass, Texas Current
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Aransas Pass
Click for Map
Thu -- 04:01 AM CDT     1.93 knots Max Flood
Thu -- 04:14 AM CDT     Moonset
Thu -- 06:36 AM CDT     Sunrise
Thu -- 12:02 PM CDT     -0.00 knots Slack
Thu -- 06:16 PM CDT     Moonrise
Thu -- 06:56 PM CDT     -2.20 knots Max Ebb
Thu -- 08:28 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.51.11.61.91.91.91.71.51.20.90.60.30-0.3-0.6-1-1.5-1.9-2.1-2.2-2.1-1.8-1.4-0.7

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 (16,3,4,5)
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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.