Monday, April6, 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 7:11AMSunset 7:51PM Monday April 6, 2020 10:06 AM CDT (15:06 UTC) Moonrise 5:31PMMoonset 5:27AM Illumination 98% Phase: Waxing Gibbous; Moon at 13 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- 352 Am Cdt Mon Apr 6 2020
Today..East wind 5 to 10 knots. Bays smooth. A slight chance of showers. A slight chance of Thunderstorms in the afternoon.
Tonight..East wind 5 to 10 knots becoming southeast after midnight. Bays smooth. Areas of fog after midnight.
Tuesday..South wind up to 5 knots increasing to 5 to 10 knots in the afternoon. Bays smooth.
Tuesday night..South wind 5 to 10 knots. Bays smooth.
Wednesday..South wind 5 to 10 knots. Bays smooth.
Wednesday night..South wind 5 to 10 knots. Bays smooth.
Thursday..Southeast wind 5 to 10 knots. Bays smooth. A chance of showers and Thunderstorms.
Thursday night..Northeast wind 5 to 10 knots. Bays smooth to slightly choppy. A chance of showers and Thunderstorms.
Friday..Northeast wind 10 to 15 knots. Bays slightly choppy to occasionally choppy. A chance of showers and Thunderstorms.
Friday night..East wind 10 to 15 knots decreasing to 5 to 10 knots after midnight. Bays slightly choppy to occasionally choppy. A slight chance of showers and Thunderstorms.
GMZ200 352 Am Cdt Mon Apr 6 2020
Synopsis for the middle texas coastal waters.. A coastal trough will gradually shift inland today allowing wins across the area to shift southeasterly for tonight and Tuesday. Isolated showers and Thunderstorms will be possible. A weak to moderate onshore flow will continue through Thursday ahead of the next cold front. The cold front is expected to move through the area Friday leading to a weak to moderate northeast flow. An easterly flow will develop by Friday night. Isolated to scattered showers and Thunderstorms will be possible Friday.


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


Area Discussion for - Corpus Christi, TX
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FXUS64 KCRP 061117 AFDCRP

Area Forecast Discussion National Weather Service Corpus Christi TX 617 AM CDT Mon Apr 6 2020

DISCUSSION.

Updated for 12Z aviation discussion.

AVIATION.

Most sites seeing IFR to LIFR cigs this morning, however VCT has been mainly MVFR to VFR. Expect low CIGS to persist through the morning for all sites. By afternoon, some potential for eastern sites to reach at least high end MVFR if not VFR for a period through early evening. Lowering CIGS then expected again overnight. Have kept mention of VCSH for VCT. Other sites will also have a low chance for showers, but not enough to mention in TAFS for now.

PREV DISCUSSION. /Issued 352 AM CDT Mon Apr 6 2020/

SHORT TERM (Today through Tuesday) .

A coastal trough along the coast has kept winds out of the north and northeast for South Texas overnight. The trough should weaken during the day, eventually shifting winds around to the southeast beginning late afternoon for coastal areas. Despite the flow still being out of the northeast, moisture continues to increase into the area. Dewpoints near the coast are in the upper 60s to around 70. A few mid level impulses will affect the area over the next 36 hours bringing slight chance to chance showers throughout the short term periods. (The first of these impulses is bringing showers and a couple storms to the marine areas this morning, but should move off quickly.) Have gone on the cool side of guidance for high temps today given the continues northeasterly flow and deep moisture. Expect highs in the upper 70s to around 80. By Tuesday, we should warm into the 80s to around 90.

Will continue to monitor tides along the middle Texas coast as northeasterly flow has led to tides running near 2 ft above MSL at times of high tide. Latest obs have difference between observed and predicted trending down which should result in high tide this afternoon remaining below advisory criteria (2ft MSL).

LONG TERM (Tuesday Night through Sunday) .

Models continue to show a southwest flow aloft with embedded short waves bringing convection to S TX Wed and Thu. Rain chances increase Thu due to deepening moisture. The best chance is progged to be across the northern portions of the CWA on Thu where the deepest moisture and most unstable airmass is progged to be located.

The ECMWF and GFS solns continue to differ by the latter part of the week with the GFS showing a piece of energy splitting from the main upper low and tracking across TX Thu night through Fri. This drives a cold front through S TX by Fri morning. The ECMWF brings a cold front through the area Sat as the main upper low moves across TX. To maintain consistency, kept close to previous forecast with a Fri frontal passage. Also, maintained a 20-30 POP Fri and Sat to account for a slower frontal passage per the ECMWF.

Both ECMWF and GFS show drier conditions by Sun, thus kept the mention of precip out of Sun's forecast.

As for temps, highs are expected to be in the low 90s across much of S TX Wed and Thu. Went with lower temps by Fri per blended model solutions with cooler temps through the weekend.

MARINE .

A coastal trough will gradually shift inland today allowing wins across the area to shift southeasterly for tonight and Tuesday. Isolated showers and thunderstorms will be possible. A weak to moderate onshore flow will continue through Thursday ahead of the next cold front. The cold front is expected to move through the area Friday leading to a weak to moderate northeast flow. An easterly flow will develop by Friday night. Isolated to scattered showers and thunderstorms will be possible Friday.

PRELIMINARY POINT TEMPS/POPS. Corpus Christi 80 71 87 71 88 / 30 20 10 10 10 Victoria 77 70 86 70 87 / 30 20 20 10 10 Laredo 79 71 88 72 92 / 20 30 20 10 10 Alice 81 70 89 70 92 / 30 20 20 10 10 Rockport 78 72 83 73 83 / 30 10 10 10 0 Cotulla 78 69 88 70 92 / 20 30 20 10 20 Kingsville 82 70 89 71 91 / 30 20 10 10 10 Navy Corpus 77 73 82 73 82 / 20 10 10 10 10

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
RCPT2 - 8774770 - Rockport, TX 3 mi48 min NNE 1.9 G 7 69°F 1015.9 hPa
RTAT2 - 8775237 - Port Aransas, TX 10 mi48 min NNE 8 G 9.9 69°F 72°F1015.1 hPa
PTAT2 - Port Aransas, TX 11 mi66 min NNE 12 G 13 70°F 70°F1014.4 hPa (+1.8)70°F
ANPT2 11 mi48 min N 14 G 15 70°F 71°F1014 hPa
TAQT2 - 8775296 - Texas State Aquarium, TX 21 mi48 min 69°F 70°F1014.2 hPa
AWRT2 22 mi54 min NNE 8 G 9.9 69°F 68°F1014.7 hPa
NUET2 25 mi48 min ENE 5.1 G 6 69°F1015.5 hPa
PACT2 - 8775792 - Packery Channel, TX 26 mi48 min N 8.9 G 11 70°F 69°F1014.6 hPa
MQTT2 - 8775870 - Malaquite Beach (Corpus Christi), TX 29 mi48 min NNE 14 G 16 72°F 72°F1014.5 hPa
SDRT2 - 8773037 - Seadrift, TX 35 mi48 min N 7 G 9.9 69°F 69°F1015.6 hPa
IRDT2 38 mi48 min NNE 9.9 G 12 71°F 1015.2 hPa
PCNT2 - 8773701 - Matagorda Bay; Port O'Connor, TX 48 mi54 min 68°F 71°F1015.3 hPa
MBET2 49 mi48 min E 8 G 11 69°F 70°F1014.3 hPa

Wind History for Rockport, TX
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Rockport Aransas County Airport, TX7 mi73 minNE 72.50 miFog/Mist71°F66°F87%1015.2 hPa
Mc Campbell, TX9 mi71 minENE 55.00 miFog/Mist69°F68°F98%1014.9 hPa
Port Aransas, Mustang Beach Airport, TX12 mi71 minNNE 92.50 miFog/Mist69°F68°F96%1015.6 hPa
Corpus Christi, Corpus Christi Naval Air Station/Truax Field, TX24 mi70 minNE 105.00 miFog/Mist70°F70°F100%1014.6 hPa

Link to 5 minute data for KRKP

Wind History from RKP (wind in knots)
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Last 24hrN12N11NE7E5E9E7NE7E10E10E13E8E10E12E7E8E8E8E7NE4N6NE4N5NE5NE7
1 day agoN15
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NE7N12NE12N16

Tide / Current Tables for Rockport, Aransas Bay, Texas (2)
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Rockport
Click for Map
Mon -- 03:44 AM CDT     0.25 feet High Tide
Mon -- 06:26 AM CDT     Moonset
Mon -- 07:12 AM CDT     Sunrise
Mon -- 01:03 PM CDT     0.11 feet Low Tide
Mon -- 05:14 PM CDT     0.13 feet High Tide
Mon -- 06:30 PM CDT     Moonrise
Mon -- 07:48 PM CDT     Sunset
Mon -- 08:54 PM CDT     0.12 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.20.20.20.20.20.20.20.20.20.20.10.10.10.10.10.10.10.10.10.10.10.10.10.1

Tide / Current Tables for Aransas Pass, Texas Current
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Aransas Pass
Click for Map
Mon -- 02:14 AM CDT     0.25 knots Max Flood
Mon -- 03:48 AM CDT     -0.00 knots Slack
Mon -- 06:26 AM CDT     Moonset
Mon -- 07:12 AM CDT     Sunrise
Mon -- 08:18 AM CDT     -0.98 knots Max Ebb
Mon -- 12:49 PM CDT     0.00 knots Slack
Mon -- 03:37 PM CDT     0.84 knots Max Flood
Mon -- 06:30 PM CDT     Moonrise
Mon -- 07:48 PM CDT     Sunset
Mon -- 09:06 PM CDT     -0.00 knots Slack
Mon -- 10:00 PM CDT     -0.02 knots Max Ebb
Mon -- 11:00 PM CDT     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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0.10.20.20.2-0.1-0.4-0.7-0.9-1-1-0.8-0.6-0.30.10.50.80.80.70.40.30.10-0-0

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 (11,2,3,4)
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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 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.