Sunday, September20, 2020
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Marine Weather and Tides
Rockport, TX

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 7:16AMSunset 7:28PM Sunday September 20, 2020 3:08 AM CDT (08:08 UTC) Moonrise 9:43AMMoonset 9:07PM Illumination 10% Phase: Waxing Crescent; Moon at 3 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- 1024 Pm Cdt Sat Sep 19 2020
.tropical storm warning in effect...
.hurricane watch in effect...
Rest of tonight..North wind 10 to 15 knots. Bays slightly choppy to occasionally choppy. A slight chance of showers and Thunderstorms late in the evening, then a chance of showers and Thunderstorms after midnight.
Sunday..North wind 15 to 20 knots. Bays choppy to occasionally rough. A chance of showers and Thunderstorms in the morning, then showers and Thunderstorms in the afternoon.
Sunday night.. Tropical storm conditions possible. North wind 15 to 20 knots. Gusts up to 35 knots in the evening. Bays choppy to occasionally rough. Showers and Thunderstorms.
Monday.. Tropical storm conditions expected with hurricane conditions possible. North wind 15 to 20 knots becoming northwest 25 to 30 knots with gusts to around 45 knots in the afternoon. Bays rough to occasionally very rough. Showers and Thunderstorms.
Monday night.. Tropical storm conditions possible. Northwest wind 40 to 45 knots becoming west 35 to 40 knots after midnight. Gusts up to 60 knots. Bays very rough. Showers and Thunderstorms likely.
Tuesday.. Tropical storm conditions possible. Showers and Thunderstorms likely.
Tuesday night..Northwest wind 5 to 10 knots increasing to 10 to 15 knots after midnight. Bays slightly choppy to occasionally choppy. A chance of showers and Thunderstorms.
Wednesday..Northwest wind 10 to 15 knots. Bays slightly choppy to occasionally choppy. A chance of showers and Thunderstorms.
Wednesday night..North wind 5 to 10 knots. Bays smooth to slightly choppy. A slight chance of showers and Thunderstorms.
Thursday..North wind 5 to 10 knots. Bays smooth to slightly choppy. A slight chance of showers and Thunderstorms.
Thursday night..North wind 5 to 10 knots. Bays smooth to slightly choppy. A slight chance of showers and Thunderstorms.
GMZ200 1024 Pm Cdt Sat Sep 19 2020
Synopsis for the middle texas coastal waters.. Moderate to strong northerly flow expected overnight. Wave heights will rapidly build with seas reaching 10 to 15 feet tonight. A tropical storm warning and a hurricane watch is in effect for waters north of port aransas. A tropical storm watch is in effect for waters south of port aransas. Tropical storm beta is nearly stationary over the northwest gulf of mexico but is expected to move toward the west-northwest Sunday. Beta is then expected to turn slowly north Monday night and Tuesday. This tropical cyclone is expected to generate heavy rainfall, dangerously high seas, and increase the risk of rip currents and coastal flooding Sunday through Wednesday.


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 200558 AFDCRP

Area Forecast Discussion National Weather Service Corpus Christi TX 1258 AM CDT Sun Sep 20 2020

DISCUSSION.

Updated for the 06Z Aviation Discussion.

AVIATION.

VFR conditions are present through the area and will persist through majority of the day tomorrow as Tropical Storm Beta slowly approaches the coast. Light to moderate north to northeasterly flow will persist through the early morning. Rain showers due to Beta are currently over the offshore waters and are expected to remain over the waters through the morning. Winds will increase later in the morning, gusts around 25 knots for ALI, CRP, and VCT with gusts closer to 20 knots for LRD and COT are expected. These higher wind gusts are expected to persist through Sunday night for ALI, CRP, and VCT. Beta's track has slowed even more, delaying the onset of rain chances. Therefore, don't expect showers to near VCT and CRP until the early afternoon with potential direct impacts of thunderstorms resulting in MVFR visibilities and cloud decks Sunday evening. LRD and COT are expected to remain dry through early Sunday night.

PREV DISCUSSION. /Issued 544 PM CDT Sat Sep 19 2020/

SHORT TERM (Tonight through Sunday Night) .

Generally mild and dry conditions will continue over the forecast area tonight except for a gradual increase in moisture along the coast during the overnight hours with isolated showers possible late.

Tropical Storm Beta has become stationary late this afternoon. The expectation is that Beta will begin to move west-northwest later tonight and continue through Sunday night as the mid level ridge centered over north- central Texas shifts into Arkansas on Sunday. Beta is still being affected by shear but an area of convection remains near the center. Current NHC forecast keeps Beta just below hurricane strength as it moves toward the Mid-Coast region Sunday night as system will be affected by the drier air to the west. Outer rain bands from Beta should begin to increase during the day Sunday across northeastern counties. Locally heavy rain will likely arrive Sunday night northeast of a Port Aransas to Beeville line. With slow motion of Beta expected as the system turns northward Tuesday, could see event totals of 5 to 8 inches with isolated amounts from 10 to 15 inches over the Mid-Coast and Victoria Crossroads, starting Sunday night and going into the long term period (through Tuesday). Rainfall amounts will be lower over the Brush Country Sunday into Sunday night as deeper moisture from Beta will be slower to push westward.

Tide levels are running around 2 feet above expected this afternoon. With long period swells, tides are reaching the dunes and some beach access roads. There is also a high risk of rip currents due to these long period swells that will continue through Monday. Coastal flooding will remain an issue tonight through Sunday night. See Long Term section for additional information on Storm Surge Warning and Watch for the Middle Texas coast.

LONG TERM (Monday through Saturday) .

Uncertainty remains fairly high in regards to the evolution and track of Tropical Storm Beta as we head into early next week. Latest forecast track from NHC have the system possibly making landfall Monday night somewhere along the Middle to Upper Texas Coast. Current data indicates Beta has remained stationary over the northwestern Gulf, with a slow turn to the west and northwest expected later tonight into Sunday. Concerns continue to rise across South Texas mainly in regards to the amount of rainfall and storm surge threat expected from Beta, due to a much slower progression of the system. For more information about the potential rainfall refer to the short-term section above. Dangerous storm surge conditions are likely to occur Sunday through Tuesday, especially at the time of high tide, with the highest threat expected across the coastal zones north of Port Aransas on Monday. A Storm Surge Warning has been issued and will remain in effect through Tuesday evening. Up to 2-4 feet of inundation is expected during this time frame over the warned area. In addition, a high risk for rip currents is likely.

The overall wind forecast has trended downward, with now most locations expected to experience high end tropical storm force winds early next week. But, cannot rule out hurricane strength gusts especially over portions of the northern Coastal Bend and the Coastal Waters north of Port Aransas. Therefore, a Hurricane Watch and a Tropical Storm Warning remains in effect for these zones. The Tropical Storm Watch has been expanded, now including Bee county and inland San Patricio, Nueces, and Kleberg counties.

Once Beta moves away of the area conditions should begin to improve as we head in to the middle and latter part of the week. However, will continue to carry rain chances through the remainder of the period due to a developing mid to upper trough over the region.

MARINE .

Moderate to strong offshore flow will increase to strong tonight as TS Beta begins to move northwest. Bands of convection expected to move west into the offshore waters overnight and then steadily increase through the day Sunday. Tropical storm force winds will likely move into the northern offshore waters Sunday afternoon and spread toward the northern bays by Sunday evening. The Tropical Storm Warning/Hurricane Watch remain in effect for the coastal waters north of Port Aransas, with a Tropical Storm Watch in effect south of Port Aransas.

Dangerous marine conditions are expected through at least Tuesday night in association to the passage of Tropical Storm Beta across the region. Swells could range from 10-15 ft across the nearshore waters and 15-20 ft offshore. Numerous showers and thunderstorms will be possible Monday through Tuesday, with the activity diminishing mid-late week.

PRELIMINARY POINT TEMPS/POPS. Corpus Christi 71 81 71 81 71 / 70 70 50 50 30 Victoria 70 79 70 80 70 / 90 80 70 70 40 Laredo 69 80 69 85 69 / 40 40 30 30 10 Alice 71 81 70 82 70 / 70 70 50 50 20 Rockport 73 83 74 82 73 / 90 80 60 60 40 Cotulla 70 82 69 84 69 / 40 60 30 30 10 Kingsville 71 81 71 83 71 / 70 70 50 40 30 Navy Corpus 73 82 74 82 74 / 80 70 50 50 40

CRP WATCHES/WARNINGS/ADVISORIES. TX . Hurricane Watch For the following zones: Aransas Islands . Calhoun Islands . Coastal Aransas . Coastal Calhoun . Coastal Refugio.

Tropical Storm Warning For the following zones: Aransas Islands . Calhoun Islands . Coastal Aransas . Coastal Calhoun . Coastal Refugio . Goliad . Inland Calhoun . Inland Refugio . Victoria.

Tropical Storm Watch For the following zones: Bee . Coastal Kleberg . Coastal Nueces . Coastal San Patricio . Inland Kleberg . Inland Nueces . Inland San Patricio . Kleberg Islands . Nueces Islands.

Storm Surge Watch For the following zones: Coastal Kleberg . Kleberg Islands . Nueces Islands.

Storm Surge Warning For the following zones: Aransas Islands . Calhoun Islands . Coastal Aransas . Coastal Calhoun.

Flash Flood Watch from this evening through Tuesday evening For the following zones: Aransas Islands . Calhoun Islands . Coastal Aransas . Coastal Calhoun . Coastal Refugio . Goliad . Inland Calhoun . Inland Refugio . Victoria.

High Rip Current Risk through Monday evening For the following zones: Aransas Islands . Calhoun Islands . Kleberg Islands . Nueces Islands.

GM . Hurricane Watch For the following zones: Bays and Waterways from Port Aransas to Port O'Connor . Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM . Waters from Port Aransas to Matagorda Ship Channel from 20 to 60 NM.

Tropical Storm Warning For the following zones: Bays and Waterways from Port Aransas to Port O'Connor . Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM . Waters from Port Aransas to Matagorda Ship Channel from 20 to 60 NM.

Tropical Storm Watch For the following zones: Bays and Waterways from Baffin Bay to Port Aransas . Coastal waters from Baffin Bay to Port Aransas out 20 NM . Waters from Baffin Bay to Port Aransas from 20 to 60 NM.



EMF/94 . AVIATION


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RCPT2 - 8774770 - Rockport, TX 3 mi50 min N 8 G 14 74°F 1015.6 hPa
RTAT2 - 8775237 - Port Aransas, TX 10 mi50 min N 14 G 18 76°F 86°F1014.6 hPa
ANPT2 11 mi50 min NNW 17 G 21 76°F 1013.7 hPa
PTAT2 - Port Aransas, TX 11 mi68 min N 16 G 19 76°F 83°F1014.6 hPa (-0.4)66°F
MHBT2 13 mi50 min N 8 G 11 74°F
TAQT2 - 8775296 - Texas State Aquarium, TX 21 mi50 min 74°F 80°F1014.1 hPa
AWRT2 22 mi50 min N 11 G 16 75°F 80°F1014.1 hPa
NUET2 25 mi50 min NE 14 G 16 80°F1015.2 hPa
PACT2 - 8775792 - Packery Channel, TX 26 mi50 min N 14 G 21 78°F 81°F1013.8 hPa
MQTT2 - 8775870 - Malaquite Beach (Corpus Christi), TX 29 mi50 min N 17 G 20 78°F
SDRT2 - 8773037 - Seadrift, TX 35 mi50 min NW 6 G 8 69°F 81°F1015.2 hPa
IRDT2 38 mi50 min NNE 15 G 17 78°F 80°F1014.2 hPa
PCNT2 - 8773701 - Matagorda Bay; Port O'Connor, TX 48 mi50 min NNE 17 G 19 75°F 84°F1014.4 hPa
MBET2 49 mi50 min NE 17 G 21 76°F 83°F1013 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 mi75 minN 137.00 miFair73°F61°F66%1015.1 hPa
Mc Campbell, TX9 mi73 minNNE 1010.00 miFair74°F64°F71%1014.9 hPa
Port Aransas, Mustang Beach Airport, TX12 mi73 minN 1410.00 miFair76°F65°F68%1015.2 hPa
Corpus Christi, Corpus Christi Naval Air Station/Truax Field, TX24 mi72 minNNE 1810.00 miFair and Breezy76°F64°F67%1014.4 hPa

Link to 5 minute data for KRKP

Wind History from RKP (wind in knots)
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1 day agoN9NE5N7N9N10N12N9N14NE11N14
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2 days agoN8N10N9N8NE5N5NE8N7NE10E10E11SE13SE15E9NE9NW4CalmNW7NW9NW7N9N10N9N8

Tide / Current Tables for Rockport, Aransas Bay, Texas (2)
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Rockport
Click for Map
Sun -- 05:19 AM CDT     0.25 feet High Tide
Sun -- 07:15 AM CDT     Sunrise
Sun -- 10:43 AM CDT     Moonrise
Sun -- 03:33 PM CDT     0.03 feet Low Tide
Sun -- 07:26 PM CDT     Sunset
Sun -- 10:06 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.20.20.20.20.20.20.20.20.20.20.20.10.10.100000.10.10.10.10.20.2

Tide / Current Tables for Aransas Pass, Texas Current
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Aransas Pass
Click for Map
Sun -- 12:02 AM CDT     -0.00 knots Slack
Sun -- 01:44 AM CDT     -0.12 knots Max Ebb
Sun -- 04:51 AM CDT     -0.05 knots Min Ebb
Sun -- 07:15 AM CDT     Sunrise
Sun -- 10:43 AM CDT     Moonrise
Sun -- 11:19 AM CDT     -0.99 knots Max Ebb
Sun -- 03:24 PM CDT     0.00 knots Slack
Sun -- 07:26 PM CDT     Sunset
Sun -- 07:39 PM CDT     1.27 knots Max Flood
Sun -- 10:06 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0-0.1-0.1-0.1-0.1-0.1-0.1-0.2-0.5-0.8-0.9-1-1-0.8-0.5-0.20.20.611.21.31.210.8

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
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.