Saturday, December7, 2019
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Marine Weather and Tides
Port Aransas, TX

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:06AMSunset 5:35PM Saturday December 7, 2019 8:20 AM CST (14:20 UTC) Moonrise 2:52PMMoonset 2:45AM Illumination 81% Phase: Waxing Gibbous; Moon at 11 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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GMZ230 Bays And Waterways From Baffin Bay To Port Aransas- 258 Am Cst Sat Dec 7 2019
Today..North wind 5 to 10 knots shifting northeast in the afternoon. Bays smooth.
Tonight..East wind 5 to 10 knots shifting southeast after midnight. Bays smooth.
Sunday..Southeast wind 5 to 10 knots. Bays smooth. Patchy fog in the morning.
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 shifting southwest after midnight. Bays slightly choppy to occasionally choppy. A chance of showers.
Tuesday..North wind 15 to 20 knots increasing to 20 to 25 knots in the afternoon. Bays choppy to rough. A chance of showers.
Tuesday night..North wind 20 to 25 knots decreasing to 10 to 15 knots after midnight. Bays choppy to rough. A slight chance of showers.
Wednesday..Northeast wind 10 to 15 knots. Bays slightly choppy to occasionally choppy.
Wednesday night..Northeast wind 10 to 15 knots. Bays slightly choppy to occasionally choppy. A slight chance of showers.
GMZ200 258 Am Cst Sat Dec 7 2019
Synopsis for the middle texas coastal waters.. Weak to moderate northeast winds today will shift to the south overnight and continue through Sunday. Onshore flow will strengthen to moderate levels Sunday night into Monday in advance of the next cold front. The front will push offshore late Monday night or early Tuesday morning with small craft advisory conditions likely over the gulf waters Tuesday through Tuesday night. Scattered showers will affect the coastal waters Monday night into Tuesday.


7 Day Forecast for Marine Location Near Port Aransas, TX
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location: 27.84, -97.07     debug


Area Discussion for - Corpus Christi, TX
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FXUS64 KCRP 071106 AFDCRP

Area Forecast Discussion National Weather Service Corpus Christi TX 506 AM CST Sat Dec 7 2019

DISCUSSION.

Updated for 12Z Aviation Discussion.

AVIATION.

VFR conditions will continue through this evening with light northeasterly winds shifting to the south. Guidance shows fog developing overnight for the Coastal Bend so included MVFR at CRP and LIFR at ALI and VCT starting around 09Z.

PREV DISCUSSION. /Issued 314 AM CST Sat Dec 7 2019/

SHORT TERM (Today through Sunday) .

Surface high pressure will continue to build south leading to a cool, dry day. Temperatures will be about 10 degrees cooler than yesterday, but low 70s are normal early December. As the surface high pressure moves off to the east overnight, winds will shift to the south and moisture will increase. Fog will be possible overnight, especially for the Coastal Bend. Onshore winds and increased moisture will help temperatures to warm back above normal to the upper 70s for Sunday. Moisture return will also increase cloud cover, especially through the morning.

LONG TERM (Sunday Night through Thursday Night) .

Overall, the main change in this forecast update is going to be a generally lowering of rain chances. The pattern hasn't changed much though. Will still expect a very warm day on Monday as south to southwesterly flow develops. Highs will be 10 to 15 degrees above normal (or more). Cold front is still forecast to move through late in the night Monday night or early Tuesday morning Most guidance has the front approaching the coast by around 6am Tuesday. Latest guidance is keeping moisture more to the north of the area likely due to the drier mid level southwesterly flow. Will still keep a low end chance PoP east, with slight chances in the Brush Country. High temperatures will likely occur prior to sunrise for most areas with daytime temperatures in the 50s or lower 60s as clouds linger much of the day. Driest air moves into the region late in the day Tuesday and Tuesday night. Low temperatures Tuesday night should drop into the lower 40s and upper 30s. Moisture increase late week is much weaker than previous models indicated. PWAT values remain below 1 inch, but could still see isolated showers mainly east Thursday afternoon through Friday morning. Temperatures should be near or slightly below normal for the end of the week.

MARINE . Weak to moderate offshore winds today will shift to the south overnight and continue through Sunday. There is a slight potential for sea fog Monday as near 70 dewpoints over run 68 degree water temperatures. Onshore flow will increase to moderate levels Monday ahead of a cold front that moves through the region early Tuesday morning. Scattered showers can be expected with the front. Expect strong north winds around 25 knots with gusts near 30 knots in the wake of the boundary which result in SCA conditions Tuesday and Tuesday Night. Weak onshore winds return on Wednesday.

PRELIMINARY POINT TEMPS/POPS. Corpus Christi 71 55 77 64 83 / 0 0 0 0 0 Victoria 70 51 76 63 82 / 0 0 0 0 0 Laredo 72 54 79 61 86 / 0 0 0 0 0 Alice 73 53 80 63 87 / 0 0 0 0 0 Rockport 68 58 73 66 76 / 0 0 0 0 0 Cotulla 71 50 78 58 83 / 0 0 0 0 0 Kingsville 73 53 80 63 86 / 0 0 0 0 0 Navy Corpus 67 59 73 67 77 / 0 0 0 0 0

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



EKZ/90 . AVIATION


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RTAT2 - 8775237 - Port Aransas, TX 0 mi50 min N 8.9 G 12 56°F 67°F1025.1 hPa
PTAT2 - Port Aransas, TX 1 mi80 min N 13 G 15 56°F 65°F1024.3 hPa (+0.5)48°F
ANPT2 2 mi50 min NNW 16 G 19 57°F 67°F1024.4 hPa
RCPT2 - 8774770 - Rockport, TX 13 mi56 min 55°F 1024.8 hPa
PACT2 - 8775792 - Packery Channel, TX 17 mi50 min N 8 G 11 58°F 67°F1025 hPa
TAQT2 - 8775296 - Texas State Aquarium, TX 17 mi50 min 54°F 63°F1024.4 hPa
MQTT2 - 8775870 - Malaquite Beach (Corpus Christi), TX 20 mi50 min N 11 G 13
NUET2 22 mi50 min NE 8.9 G 12 64°F1025.7 hPa
IRDT2 28 mi50 min N 11 G 13 60°F 1025.1 hPa
AWRT2 30 mi50 min N 12 G 15
BABT2 - 8776604 - Baffin Bay; Point of Rocks, TX 42 mi50 min NNW 12 G 13
SDRT2 - 8773037 - Seadrift, TX 44 mi50 min NNW 6 G 8.9 49°F 63°F1025.1 hPa
KMZG 47 mi25 min ESE 15 G 20

Wind History for Port Aransas, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Port Aransas, Mustang Beach Airport, TX2 mi25 minN 810.00 miFair57°F48°F73%1025.7 hPa
Mc Campbell, TX9 mi45 minN 610.00 miFair50°F46°F88%1025.4 hPa
Corpus Christi, Corpus Christi Naval Air Station/Truax Field, TX16 mi24 minN 1110.00 miFair57°F48°F74%1025.1 hPa
Rockport Aransas County Airport, TX17 mi27 minN 1010.00 miFair56°F44°F65%1025.4 hPa
Corpus Christi, Corpus Christi International Airport, TX23 mi29 minNNE 910.00 miFair54°F44°F69%1025.5 hPa

Link to 5 minute data for KRAS

Wind History from RAS (wind in knots)
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Last 24hrW7W7NW10NW8N13N16N10N8N8N7N7N6N9N12N10N15N12
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1 day agoCalmSE4S6SE6S7S7SE6SE6SE8SE5SE6SE6SE6SE7S7SE5S4SE4SE3S4S4W4NW4Calm
2 days agoNW4N4N4NW5W3N4E8E10E10E10E8E6E5E6SE4CalmE3CalmSE3SE4SE3CalmCalmCalm

Tide / Current Tables for Aransas Channel, Texas
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Aransas Channel
Click for Map
Sat -- 02:45 AM CST     Moonset
Sat -- 05:23 AM CST     0.52 feet Low Tide
Sat -- 07:06 AM CST     Sunrise
Sat -- 12:33 PM CST     1.05 feet High Tide
Sat -- 02:51 PM CST     Moonrise
Sat -- 05:24 PM CST     0.83 feet Low Tide
Sat -- 05:32 PM CST     Sunset
Sat -- 10:28 PM CST     1.15 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.110.80.70.60.50.50.60.70.8111110.90.90.80.80.911.11.11.1

Tide / Current Tables for Aransas Pass, Texas Current
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Aransas Pass
Click for Map
Sat -- 01:57 AM CST     -0.00 knots Slack
Sat -- 02:45 AM CST     Moonset
Sat -- 06:32 AM CST     -0.68 knots Max Ebb
Sat -- 07:06 AM CST     Sunrise
Sat -- 10:08 AM CST     0.00 knots Slack
Sat -- 02:05 PM CST     0.58 knots Max Flood
Sat -- 02:51 PM CST     Moonrise
Sat -- 05:32 PM CST     Sunset
Sat -- 08:36 PM CST     0.18 knots Min Flood
Sat -- 10:46 PM CST     0.22 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.2-0-0.2-0.4-0.6-0.7-0.7-0.6-0.3-00.20.40.50.60.60.50.40.30.20.20.20.20.2

Weather Map
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wmap_A
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Corpus Christi, TX (9,2,3,4)
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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 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.