Thursday, June22, 2017 L-36.com


Marine Weather and Tides
Port Aransas, TX

Version 3.4
What's New / NOTES
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 6:33AMSunset 8:30PM Thursday June 22, 2017 9:10 AM CDT (14:10 UTC) Moonrise 4:15AMMoonset 6:03PM Illumination 3% Phase: Waning Crescent; Moon at 28 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- 823 Am Cdt Thu Jun 22 2017
.small craft advisory in effect from 4 pm cdt this afternoon through Friday morning...
Rest of today..Southwest wind 5 to 10 knots shifting south early in the afternoon, then becoming southeast around 20 knots late in the afternoon. Bays choppy.
Tonight..South wind around 20 knots. Bays choppy.
Friday..South wind 15 to 20 knots. Bays choppy.
Friday night..Southeast wind 15 to 20 knots decreasing to 10 to 15 knots after midnight. Bays choppy. A slight chance of showers and Thunderstorms after midnight.
Saturday..Southeast wind 10 to 15 knots. Bays slightly choppy to occasionally choppy. A slight chance of showers and Thunderstorms.
Saturday night..Southeast wind 10 to 15 knots. Bays slightly choppy to occasionally choppy. A chance of showers and Thunderstorms.
Sunday..East wind 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Bays slightly choppy to occasionally choppy. A chance of showers and Thunderstorms.
Sunday night..Southeast wind 10 to 15 knots decreasing to 5 to 10 knots after midnight. Bays slightly choppy to occasionally choppy. A chance of showers and Thunderstorms.
Monday..Southeast wind up to 5 knots becoming east in the afternoon. Bays smooth. A chance of showers and Thunderstorms.
Monday night..East wind 5 to 10 knots. Bays smooth. A chance of showers and Thunderstorms.
GMZ200 823 Am Cdt Thu Jun 22 2017
Synopsis for the middle texas coastal waters.. Offshore flow will gradually transition to onshore as the day progresses. The weak to moderate onshore flow will then strengthen to moderate to strong levels by this evening and continue into Friday. A few showers and possible Thunderstorms may occur today mainly east of port aransas. Rain chances will increase this weekend and into early next week as moisture increases and an upper level trough moves across the area. A frontal boundary will move close to the waters on Monday, resulting in a weak easterly flow.

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 221151 aaa
afdcrp
area forecast discussion... Updated
national weather service corpus christi tx
651 am cdt Thu jun 22 2017

Discussion
Updated for 12z aviation.

Aviation
Vfr conditions are expected during the next 24 hours. Light and
variable winds this morning will become more southerly and
southeasterly by this afternoon. A few gusts around 20 knots will
be possible this afternoon, but winds will then subside around
02z 03z. Vcsh remarks were retained at vct through the afternoon
as precip shield associated with TS cindy rotate through.

Previous discussion issued 353 am cdt Thu jun 22 2017
short term (today through Friday)...

tropical storm cindy currently is approaching the tx la state
line. Despite TS cindy passing off to our northeast, a host of
impacts continue across south texas this morning.

Early morning radar imagery shows an area of rain associated with
ts cindy approaching the victoria crossroads. Will keep 20 pops
over the northern coastal bend and victoria region as western
fringes of TS or what's left it rotate through today. Coastal
flood issues will persist today as elevated swells continue along
the mid texas coast. Bob hall pier has recently just exceeded 3
feet msl, but will monitor trends over the next little while to
see if coastal flood warning will be needed. The only other change
to the coastal flood headline was to include san patricio and
refugio counties in the advisory as minor flooding was noted in
ingleside on the bay and bayside earlier. In addition, the high
risk of rip currents will continue as well, but as the day
progresses swells should be on the downswing. For now, these
hazards will run through 00z but may be cancelled early if
conditions improve.

The other weather issue today and again tomorrow will be the
heat. High temps this afternoon could reach 107 108 over the rio
grande with 100s approaching the southern coastal bend. Dewpoints
may remain a little elevated along the southern coastal bend
resulting in heat index values of 110 or greater for a few hours.

A heat advisory will be issued for nueces and kleberg counties.

Temperatures on Friday will be similar to today. However, onshore
flow will resume by late this afternoon and evening, bringing
higher dewpoints back to south texas by tomorrow. Current
forecast has a large part of the area in heat advisory criteria
for Friday, mainly west of a line from beeville to taft to corpus
christi.

Marine...

elevated seas will continue through about 12z this morning over
the offshore gulf waters. Onshore flow will resume late this
afternoon and quickly strengthen by this evening. Additional small
craft advisories will be needed for the southern bays and gulf
waters later today.

Long term (Friday night through Wednesday)...

medium range guidance in agreement that the band of deeper mstr
evident on satellite imagery over the central gulf yucatan will be
pushing into the area early in the period. Showers will become
scattered over the waters Friday night and gradually spread into the
immediate coastal areas during the morning. Convective chances will
then increase diurnally inland... Esply as sea breeze spreads in.

Clouds and scattered precip will keep readings svrl deg cooler than
the preceding days.

Deep mstr (pwat AOA 2 inches) will be present over the area through
the weekend into early next week with an upper level shear axis
overhead. May also see a boundary, likely upstream convection
driven, drop into the area Sunday or Monday. Bottom line, we'll
continue with mainly chance pops through the period along with a
refreshing break from the high heat. Somewhat drier air is expected
to infiltrate the CWA by Wednesday as the mid upr shear axis
weakens.

Preliminary point temps pops
Corpus christi 102 81 99 80 92 10 10 10 20 40
victoria 96 80 97 78 92 20 10 10 20 40
laredo 107 80 108 79 99 0 0 0 10 30
alice 103 78 103 78 96 0 0 0 20 40
rockport 95 83 93 82 90 10 10 10 20 30
cotulla 104 78 106 79 99 0 0 0 10 30
kingsville 102 79 100 79 95 0 0 0 20 30
navy corpus 96 83 94 82 91 10 10 10 20 30

Crp watches warnings advisories
Tx... High rip current risk through this evening for the following
zones: aransas... Calhoun... Kleberg... Nueces.

Coastal flood advisory until 7 pm cdt this evening for the
following zones: aransas... Calhoun... Kleberg... Nueces...

refugio... San patricio.

Heat advisory from noon today to 7 pm cdt this evening for the
following zones: kleberg... Nueces.

Gm... Small craft advisory from 7 pm this evening to 7 am cdt Friday
for the following zones: coastal waters from baffin bay to
port aransas out 20 nm... Coastal waters from port aransas
to matagorda ship channel out 20 nm... Waters from baffin
bay to port aransas from 20 to 60 nm... Waters from port
aransas to matagorda ship channel from 20 to 60 nm.

Small craft advisory for hazardous seas until 7 am cdt this
morning for the following zones: waters from baffin bay to
port aransas from 20 to 60 nm... Waters from port aransas to
matagorda ship channel from 20 to 60 nm.

Small craft advisory from 4 pm this afternoon to 7 am cdt Friday
for the following zones: bays and waterways from baffin bay
to port aransas.

Tb 78... Aviation


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RTAT2 - 8775237 - Port Aransas, TX 0 mi47 min W 5.1 G 5.1 80°F 85°F1006.4 hPa
PTAT2 - Port Aransas, TX 1 mi71 min WNW 4.1 G 5.1 80°F 84°F1006.2 hPa (+1.1)74°F
MIST2 1 mi116 min W 4.1 81°F 1006 hPa74°F
ANPT2 2 mi47 min W 6 G 7 80°F 85°F
RCPT2 - 8774770 - Rockport, TX 13 mi47 min NW 4.1 G 6 81°F 87°F1005.9 hPa
TAQT2 - 8775296 - Texas State Aquarium, TX 17 mi47 min 81°F 86°F1005.7 hPa
PACT2 - 8775792 - Packery Channel, TX 17 mi47 min WSW 2.9 G 5.1 81°F 84°F1006.5 hPa
CPNT2 19 mi47 min W 8 G 9.9 81°F 86°F
MAXT2 - Mission-Aransas Reserve, TX 20 mi71 min W 9.9
MQTT2 - 8775870 - Malaquite Beach (Corpus Christi), TX 20 mi47 min WSW 5.1 G 7 81°F 84°F1005.7 hPa
NUET2 22 mi47 min NNW 5.1 G 7 86°F1006.6 hPa
IRDT2 28 mi47 min WSW 4.1 G 5.1 81°F 86°F1006.9 hPa
AWRT2 30 mi47 min W 8 G 9.9 80°F 85°F1006.3 hPa
BABT2 - 8776604 - Baffin Bay; Point of Rocks, TX 42 mi47 min 6 G 7 83°F 85°F1006.4 hPa
SDRT2 - 8773037 - Seadrift, TX 44 mi47 min W 9.9 G 14 81°F 83°F1006.7 hPa
KMZG 47 mi36 min WSW 20 84°F 75°F

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 mi76 minW 410.00 miFair81°F72°F73%1006.1 hPa
Mc Campbell, TX9 mi76 minno data10.00 miFair76°F69°F81%1006.1 hPa
Corpus Christi, Corpus Christi Naval Air Station/Truax Field, TX16 mi75 minW 410.00 miPartly Cloudy81°F73°F77%1005.9 hPa
Rockport Aransas County Airport, TX17 mi78 minW 410.00 miFair80°F70°F71%1006.2 hPa
Corpus Christi, Corpus Christi International Airport, TX23 mi80 minNNW 310.00 miMostly Cloudy78°F71°F79%1005.9 hPa

Wind History from RAS (wind in knots)
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N11N10NE7NE6CalmCalmSW4CalmCalmW5W3W3
1 day agoN8N7N6N9E8E8E8E7E7E11E9E10E7E8
G14
E7E6NE5N8N7N8N9N10N9N12
2 days agoS4SE5E7E9E8E8E8SE8SE8SE9E5E5E5E4E6E4SE6SE3CalmCalmN5N3NW6N10

Tide / Current Tables for Port Aransas, Texas
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Port Aransas
Click for Map
Thu -- 04:34 AM CDT     0.93 feet High Tide
Thu -- 05:14 AM CDT     Moonrise
Thu -- 06:33 AM CDT     Sunrise
Thu -- 09:32 AM CDT     0.82 feet Low Tide
Thu -- 12:08 PM CDT     0.86 feet High Tide
Thu -- 07:02 PM CDT     Moonset
Thu -- 08:27 PM CDT     Sunset
Thu -- 08:38 PM CDT     -0.48 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.30.60.80.90.90.90.90.90.80.80.80.80.90.80.70.60.30.1-0.2-0.4-0.5-0.5-0.4-0.2

Tide / Current Tables for Aransas Pass, Texas Current
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Aransas Pass
Click for Map
Thu -- 04:06 AM CDT     1.94 knots Max Flood
Thu -- 05:14 AM CDT     Moonrise
Thu -- 06:33 AM CDT     Sunrise
Thu -- 12:29 PM CDT     -0.00 knots Slack
Thu -- 07:02 PM CDT     Moonset
Thu -- 07:34 PM CDT     -2.19 knots Max Ebb
Thu -- 08:27 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
00.71.41.81.91.91.81.61.31.10.80.40.1-0.1-0.3-0.6-1.1-1.6-2-2.2-2.2-2-1.6-1.1

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of SouthCentralPlains    EDIT
Geos

Wind Forecast for Corpus Christi, TX (10,2,3,4)
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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.