Friday, May24, 2019 L-36.com


Marine Weather and Tides
Port Lavaca, TX

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:31AMSunset 8:18PM Friday May 24, 2019 4:16 AM CDT (09:16 UTC) Moonrise 12:00AMMoonset 10:31AM Illumination 72% Phase: Waning Gibbous; Moon at 20 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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GMZ330 Matagorda Bay- 1016 Pm Cdt Thu May 23 2019
.small craft advisory in effect until 7 am cdt Friday...
Rest of tonight..Southeast winds 15 to 25 knots. Bay waters choppy. Isolated showers late.
Friday..Southeast winds 15 to 20 knots. Bay waters choppy.
Friday night..Southeast winds 15 to 20 knots. Bay waters choppy.
Saturday..Southeast winds 10 to 15 knots. Bay waters slightly choppy.
Saturday night..Southeast winds 10 to 15 knots. Bay waters slightly choppy.
Sunday..Southeast winds 10 to 15 knots. Bay waters slightly choppy.
Sunday night..Southeast winds 10 to 15 knots. Bay waters slightly choppy.
Monday..South winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and Thunderstorms.
Monday night..Southeast winds 15 to 20 knots. Bay waters choppy.
Tuesday..Southeast winds around 15 knots. Bay waters slightly choppy to choppy. A slight chance of showers.
Tuesday night..Southeast winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 1016 Pm Cdt Thu May 23 2019
Synopsis for high island to matagorda ship channel out 60 nm.. Moderate onshore winds and elevated seas will persist into the weekend. Wind speeds and seas should generally diminish Saturday into Sunday with more typical summer wind patterns. Although expect higher winds offshore at night. Expect an increase in winds and seas early next week.


7 Day Forecast for Marine Location Near Port Lavaca, TX
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location: 28.64, -96.6     debug


Area Discussion for - Corpus Christi, TX
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Fxus64 kcrp 240911
afdcrp
area forecast discussion
national weather service corpus christi tx
411 am cdt Fri may 24 2019

Short term (today through Saturday)
Not much change in the upper level pattern for the short term
period. Deep upper level trough persists west with building high
pressure over the gulf of mexico. A similar scenario at the
surface with low pressure to the northwest and high pressure over
the gulf will maintain breezy conditions tonight with some
improvement likely Saturday as the low pressure weakens a bit
relaxing the pressure gradient across south texas. Otherwise
expect a typical, albeit somewhat early, summertime pattern.

Morning clouds give way to partly cloudy skies with high
temperatures into the lower to middle 90s for much of the area.

A high risk of rip currents will persist through at least Saturday
for gulf facing beaches. Elevated, long period southeasterly
swells along with the moderate to strong wind will result in
likely rip currents. Swell periods will begin to decrease by
Sunday which may bring the risk down a bit, but would not be
surprised if this needed to be extended due to the wave heights
and duration of the strong onshore flow this week.

Long term (Saturday night through Thursday)
The upper pattern with the ridge over the northern gulf of mexico
and trough axis over the desert southwest will continue Sunday into
Monday. An upper low moving into northern california Sunday morning
will move into the great basin on Monday. Surface trough over the
southern high plains will keep breezy conditions over the coastal
bend into the brush country Sunday through Tuesday. The upper low
will move across the four corners region Monday night and open into
a short wave trough over the central high plains Tuesday. Adequate
moisture will advect into the coastal plains to provide a slight
chance of streamer type convection Tuesday and Wednesday. The short
wave trough will move the the upper midwest Wednesday with a weak
frontal boundary sagging south through central texas with the front
stalling in this region for Wednesday night. Another upper trough
will move into the great basin for Thursday with a possible weak
upper level impulse moving in the southwest flow aloft over the
region. Higher moisture will be in place over the victoria
crossroads to provide slightly better rain chances Thursday.

Marine
Strong onshore flow persists for all areas this morning, but
should subside for bays and nearshore waters north of port aransas
this afternoon and evening. Winds and seas stay up for the rest of
the area through the day and into tonight. Conditions should
improve on Saturday to more scec levels. A moderate onshore flow
is expected to persist Saturday night through Monday. The winds
may increase to SCA levels over the gulf waters Monday night and
Tuesday night. Enough moisture will arrive in the area by Tuesday
for isolated streamer convection over the coastal waters.

Preliminary point temps pops
Corpus christi 91 78 92 77 90 0 10 10 10 10
victoria 91 74 91 75 90 10 10 10 10 10
laredo 98 78 99 77 98 0 10 10 10 10
alice 93 76 94 75 94 0 10 10 10 10
rockport 88 79 90 79 88 10 10 10 10 10
cotulla 96 77 96 76 96 0 10 10 10 10
kingsville 92 77 92 76 92 0 10 10 10 10
navy corpus 89 79 89 79 88 10 10 10 10 10

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

Gm... Small craft advisory until 7 am cdt Saturday 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...

waters from port aransas to matagorda ship channel from 20
to 60 nm.

Small craft advisory until 1 pm cdt this afternoon 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.

Ph 83... Short term
tmt 89... Long term


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VCAT2 0 mi47 min SE 24 G 27
PCNT2 - 8773701 - Matagorda Bay; Port O'Connor, TX 17 mi47 min SE 23 G 27 81°F1013.1 hPa
SDRT2 - 8773037 - Seadrift, TX 17 mi47 min ESE 16 G 23 81°F1013.6 hPa
MBET2 21 mi47 min SSE 24 G 27 1012.3 hPa
AWRT2 30 mi47 min SE 15 G 23 82°F1013.4 hPa
EMAT2 37 mi47 min SE 17 G 23 81°F1013.9 hPa
RCPT2 - 8774770 - Rockport, TX 49 mi53 min 81°F 1013.6 hPa

Wind History for Seadrift, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Port Lavaca - Calhoun County Airport, TX4 mi22 minSE 1110.00 miPartly Cloudy80°F75°F88%1013.9 hPa
Palacios Municipal Airport, TX19 mi24 minSE 179.00 miFair79°F77°F94%1013.9 hPa
Victoria, Victoria Regional Airport, TX23 mi26 minSSE 129.00 miOvercast79°F73°F85%1013.9 hPa

Wind History from PKV (wind in knots)
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Tide / Current Tables for Port Lavaca, Matagorda Bay, Texas
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Port Lavaca
Click for Map
Fri -- 12:42 AM CDT     Moonrise
Fri -- 06:31 AM CDT     Sunrise
Fri -- 06:44 AM CDT     -0.05 feet Low Tide
Fri -- 11:31 AM CDT     Moonset
Fri -- 05:54 PM CDT     0.99 feet High Tide
Fri -- 08:15 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.50.40.20.10-0-0-00.10.20.30.50.60.80.90.91110.90.90.80.7

Tide / Current Tables for Port O'Connor, Matagorda Bay, Texas
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Port O'Connor
Click for Map
Fri -- 12:41 AM CDT     Moonrise
Fri -- 04:11 AM CDT     -0.11 feet Low Tide
Fri -- 06:30 AM CDT     Sunrise
Fri -- 11:31 AM CDT     Moonset
Fri -- 04:17 PM CDT     0.86 feet High Tide
Fri -- 08:14 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.20.1-0-0.1-0.1-0.1-000.20.30.40.50.70.70.80.80.90.80.80.80.70.60.50.4

Weather Map and Satellite Images
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GOES 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.
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Wind Forecast for Corpus Christi, TX (5,6,7,8)
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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 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.