Friday, August23, 2019 L-36.com


Marine Weather and Tides
Palacios, TX

Version 3.4
NOTICE
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 6:55AMSunset 7:57PM Friday August 23, 2019 6:33 AM CDT (11:33 UTC) Moonrise 12:00AMMoonset 1:01PM Illumination 46% Phase: Third Quarter Moon; Moon at 23 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-galveston Bay- 401 Am Cdt Fri Aug 23 2019
Today..South winds 5 to 10 knots becoming southeast 10 to 15 knots in the afternoon. Bay waters smooth becoming slightly choppy in the afternoon. Showers likely in the morning. Scattered Thunderstorms. A chance of showers in the afternoon.
Tonight..South winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers in the evening, then scattered Thunderstorms and a chance of showers after midnight.
Saturday..Southeast winds 5 to 10 knots. Bay waters smooth. Showers likely in the morning. A chance of Thunderstorms. A chance of showers in the afternoon.
Saturday night..South winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Bay waters smooth becoming slightly choppy after midnight. A chance of showers and a slight chance of Thunderstorms.
Sunday..South winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Bay waters smooth becoming slightly choppy in the afternoon. A slight chance of Thunderstorms in the morning. A chance of showers. A chance of Thunderstorms in the afternoon.
Sunday night..South winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and Thunderstorms.
Monday..South winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and Thunderstorms.
Monday night..South winds 10 to 15 knots increasing to 15 to 20 knots after midnight. Bay waters slightly choppy becoming choppy after midnight.
Tuesday..South winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and Thunderstorms.
Tuesday night..South winds 10 to 15 knots. Bay waters slightly choppy.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 401 Am Cdt Fri Aug 23 2019
Synopsis for high island to matagorda ship channel out 60 nm.. Generally light to moderate onshore winds will prevail the next few days. Increasing moisture from the gulf will help to fuel the development of of scattered to widespread showers through the weekend.


7 Day Forecast for Marine Location Near Palacios, TX
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location: 28.69, -96.39     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 230859
afdhgx
area forecast discussion
national weather service houston galveston tx
359 am cdt Fri aug 23 2019

Discussion
- best chances of storms today and Saturday. Main hazard will be
locally heavy rainfall with mainly street flooding possible.

- chances of storms continue early next week but with coverage
closer to isolated to widely scattered.

- ridging builds over texas again leading to high temps back in
the upper 90s next week.

Short term [today and tonight]
Radar shows a bit of activity over the gulf waters and immediate
coastal areas late tonight, setting the stage for another day of
scattered showers and thunderstorms. Goes-east shows precipitable
water increasing towards the gulf, associated an upper trough that
shows up very nicely on mid-level WV imagery.

There is not a ton of convection going on with this feature quite
yet, but there's a handful of showers popping up over the gulf. As
the upper low and its moisture surge make their way up the western
gulf coast, we should see it enhance the typical diurnal pattern
of showers and storms. Because of this, I go as high as likely
pops near the coast, but still keep a pretty sharp gradient with
slight chance low end chance pops in the far inland around college
station.

Given the amount of moisture - precipitable water exceeding 2.25
inches - with deep warm cloud depths making for efficient precip
moving into the picture, I certainly can't rule out some
localized torrential rainfall from the strongest of the storms. If
that falls over the wrong spots, we would certainly see a
smattering of flooding on roads and poor drainage areas. However,
a lot of the items on the checklist for widespread heavy rain
aren't really there, which is reassuring.

Luchs

Long term [Saturday through Friday]
Saturday's forecast looks to be a wash rinse repeat of today's
forecast as higher moisture lingers over the area and the tropical
wave located between SE texas and SW louisiana. Upper level
ridging is virtually non-existent over the area so no real
subsidence to worry about and convective initiation will be more
of a function of day time heating and convergence from local
boundaries moisture gradients. Precipitable water values will
certainly be in that 2.1 to 2.3 inch amounts. Storm motions should
be enough to keep storms moving to limit the overall flood threat
but no doubt a storm could cause street flooding with this much
moisture. Sunday into Monday we see a decrease in rain chances as
precipitable water values rapidly decrease with the tropical wave
moving east away from the region.

To start the work week next week, there is a strong trough over
the northern plains that supports NW flow aloft. Any frontal
boundary with this trough stays north of the area likely stalling
along the red river. By midweek the upper level ridge over the
southern rockies expands over texas. This feature should persist
through the rest of the week so have precipitation chances
lowering through next Friday with high temperatures increasing
back into the upper 90s for a larger portion of the area.

Overpeck

Preliminary point temps pops
College station (cll) 97 77 96 76 97 30 10 30 10 20
houston (iah) 93 79 92 78 93 60 30 50 20 40
galveston (gls) 89 82 90 82 91 70 50 60 50 40

Hgx watches warnings advisories
Tx... None.

Gm... None.

Discussion... Overpeck
short term... Luchs
long term... Overpeck
aviation... Luchs
marine... Overpeck
fire weather... Luchs


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VCAT2 12 mi52 min SW 9.9 G 16 76°F 84°F1012.2 hPa
PCNT2 - 8773701 - Matagorda Bay; Port O'Connor, TX 17 mi52 min W 8 G 9.9 79°F 88°F1011.5 hPa
MBET2 19 mi52 min WSW 12 G 15 80°F 1010.8 hPa
EMAT2 25 mi52 min S 9.9 G 11 84°F 88°F1011.6 hPa
SDRT2 - 8773037 - Seadrift, TX 26 mi52 min S 15 G 19 82°F 86°F1011.9 hPa
AWRT2 39 mi52 min SSW 11 G 13 84°F 87°F1011.7 hPa
SGNT2 41 mi46 min S 8.9 G 12 85°F 87°F1011.8 hPa
KBQX 48 mi24 min S 15 84°F 77°F

Wind History for Port OConnor, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Palacios Municipal Airport, TX8 mi1.7 hrsS 510.00 miA Few Clouds86°F73°F67%1011.4 hPa
Port Lavaca - Calhoun County Airport, TX16 mi99 minSW 410.00 miPartly Cloudy80°F77°F91%1012.2 hPa

Link to 5 minute data for KPSX

Wind History from PSX (wind in knots)
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1 day agoS6S7S9S7S8S7
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S8SE14SE13SE12SE10SE10SE7SE11SE11SE8S10--S7SE5
2 days agoCalmS4S6S8S9S11S9S8S9
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S9SE11S10SE9SE7SE8S10S9S9S8S7--S7S6S6

Tide / Current Tables for Port Lavaca, Matagorda Bay, Texas
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Port Lavaca
Click for Map
Fri -- 12:23 AM CDT     Moonrise
Fri -- 06:59 AM CDT     Sunrise
Fri -- 08:13 AM CDT     0.79 feet High Tide
Fri -- 09:58 AM CDT     Last Quarter
Fri -- 02:01 PM CDT     Moonset
Fri -- 07:57 PM CDT     Sunset
Fri -- 09:04 PM CDT     0.06 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.40.50.60.70.70.80.80.80.80.80.70.70.60.60.50.40.30.20.10.10.10.10.1

Tide / Current Tables for Port O'Connor, Matagorda Bay, Texas
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Port O'Connor
Click for Map
Fri -- 12:22 AM CDT     Moonrise
Fri -- 06:59 AM CDT     Sunrise
Fri -- 07:01 AM CDT     0.67 feet High Tide
Fri -- 09:58 AM CDT     Last Quarter
Fri -- 02:00 PM CDT     Moonset
Fri -- 06:17 PM CDT     0.05 feet Low Tide
Fri -- 07:56 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Weather Map and Satellite Images
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wmap_A
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 Houston/Galveston, TX (7,2,3,4)
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Ground Weather Radar Station Houston/Galveston, TX
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weather_mapweather_map weather_map

Gulf Stream Current


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Disclaimer:
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.