Thursday, November23, 2017 L-36.com


Marine Weather and Tides
Palacios, TX

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
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 6:53AMSunset 5:27PM Thursday November 23, 2017 9:57 PM CST (03:57 UTC) Moonrise 10:58AMMoonset 9:54PM Illumination 29% Phase: Waxing Crescent; Moon at 5 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- 316 Pm Cst Thu Nov 23 2017
Tonight..Northeast winds around 5 knots. Bay waters smooth.
Friday..East winds around 5 knots becoming south in the afternoon. Bay waters smooth.
Friday night..South winds 5 to 10 knots. Bay waters smooth.
Saturday..South winds 5 to 10 knots. Bay waters smooth.
Saturday night..East winds around 5 knots becoming northeast after midnight. Bay waters smooth.
Sunday..Northeast winds 5 to 10 knots. Bay waters smooth.
Sunday night..East winds around 5 knots. Bay waters smooth.
Monday..Southeast winds 5 to 10 knots. Bay waters smooth.
Monday night..Southeast winds 5 to 10 knots. Bay waters smooth.
Tuesday..South winds around 10 knots. Bay waters smooth to slightly choppy.
Tuesday night..Variable winds 5 to 10 knots becoming north 10 to 15 knots. Bay waters smooth. A slight chance of showers.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 316 Pm Cst Thu Nov 23 2017
Synopsis for high island to matagorda ship channel out 60 nm.. Onshore winds will return late Friday as low pressure develops in north texas. A weak frontal boundary will push off the coast Saturday night. Rainfall is not expected. As high pressure behind this front moves off to the east, winds should veer to the southeast again on Monday. Another front could approach the coast toward midweek, though timing is uncertain at this point.

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 240341
afdhgx
area forecast discussion
national weather service houston galveston tx
941 pm cst Thu nov 23 2017

Update
A chilly overnight still on tap as radiative cooling to near dew
points appears evident by ongoing clear skies and no surface wind.

Both regional upper air soundings are at 0.38 inch pwats and g16
sat imagery verifies 0.5 inch pwats or lower over southeastern tx.

These dry and calm conditions should have many interior communities
falling within a few degrees on either side of 40 f. Another pristine
day on Friday as the afternoon warms into the upper 60s to lower 70s
under a variable becoming onshore breeze. Current upper 30 to lower
40 f dew points will gradually increase back into the middle 40s
by Saturday morning... This will equate to areawide middle 40 to
near 50 f minimum temperatures early Saturday morning. Beautiful
(albeit dry) holiday weekend will peak in warmth on Saturday (mid
to upper 70s) with the passage of a very weak late Saturday early
Sunday dry northerly boundary regulating early week warmth. 31

Prev discussion issued 551 pm cst Thu nov 23 2017
aviation...

vfr flight conditions will continue for the next 24 hours. High
pressure over the area will continue to produce light northerly
surface winds and scattered high clouds. Keehn
prev discussion... Issued 248 pm cst Thu nov 23 2017
discussion...

temps are currently in the lower to mid 60s under sunny skies and
light northerly winds. Expect a calm and clear night with temps
falling into the upper 30s to lower 40s inland.

Will see warmer temps Friday and especially on Saturday when max
temps approach 80 across central and southwest areas. A weak
front will move through Saturday night, but not expecting any
precipitation with this boundary. Not much in the way of
significant cooling behind the front, and by Monday expect max
temps to be back in the mid-upper 70s areawide. By Tuesday, the
gfs and ECMWF begin to diverge on the timing of a mid upper low
moving E SE from the 4 corners region. The ECMWF is much slower
and also weaker with this feature than the gfs. The result is the
gfs much more aggressive bringing a cold front through on Tuesday
night Wednesday than the ecmwf. Will bring the boundary through,
but not advertise as strong of a front as the GFS is indicating,
and will have MAX temps a few degrees warmer for Wednesday. Not a
lot of confidence concerning this boundary at the moment, and
therefore, in the temps Wed Thu next week. Both models advertise
low pops with this system across southeast texas.

Wood

Preliminary point temps pops
College station (cll) 40 73 46 76 49 0 0 0 0 0
houston (iah) 40 72 50 79 52 0 0 0 0 0
galveston (gls) 52 69 64 76 60 0 0 0 0 0

Hgx watches warnings advisories
Tx... None.

Gm... None.

Discussion... 31


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VCAT2 12 mi46 min SW 4.1 G 5.1 57°F 64°F1018.9 hPa
PCNT2 - 8773701 - Matagorda Bay; Port O'Connor, TX 17 mi46 min NE 5.1 G 6 64°F 66°F1018.9 hPa
MBET2 19 mi40 min E 5.1 G 5.1 63°F 68°F1017.9 hPa
EMAT2 25 mi46 min ENE 1.9 G 2.9 56°F 64°F1018.6 hPa
SDRT2 - 8773037 - Seadrift, TX 26 mi40 min E 1 G 1.9 55°F 65°F1019.3 hPa
AWRT2 39 mi46 min Calm G 1 60°F 64°F1019.3 hPa
SGNT2 41 mi40 min N 2.9 G 2.9 52°F 65°F1018.7 hPa
KBQX 48 mi23 min NNE 4.1 63°F 45°F

Wind History for Port OConnor, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Palacios Municipal Airport, TX8 mi65 minE 410.00 miFair50°F39°F66%1019.3 hPa
Port Lavaca - Calhoun County Airport, TX16 mi63 minN 010.00 miFair52°F41°F69%1019.6 hPa

Wind History from PSX (wind in knots)
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Last 24hrN5N7N6N5N6N7N5N6N6N6N6NE74N7N8N8N8N6N6N5N5NE3NE5E4
1 day agoE5NE12NE12NE13N14
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2 days agoE3E3E4E4CalmSE3SE3--CalmCalmCalmCalmW5S5S8S6S6S6SW4S4SE5E5SE3NE4

Tide / Current Tables for Port Lavaca, Lavaca Causeway, Matagorda Bay, Texas
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Port Lavaca
Click for Map
Thu -- 03:40 AM CST     0.95 feet High Tide
Thu -- 06:55 AM CST     Sunrise
Thu -- 10:58 AM CST     Moonrise
Thu -- 04:15 PM CST     0.03 feet Low Tide
Thu -- 05:29 PM CST     Sunset
Thu -- 09:54 PM CST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.80.80.90.90.90.90.90.80.70.60.50.40.30.20.10000.10.10.20.40.50.6

Tide / Current Tables for Port Lavaca, Matagorda Bay, Texas
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Port Lavaca
Click for Map
Thu -- 03:28 AM CST     1.30 feet High Tide
Thu -- 06:55 AM CST     Sunrise
Thu -- 10:58 AM CST     Moonrise
Thu -- 04:53 PM CST     0.28 feet Low Tide
Thu -- 05:29 PM CST     Sunset
Thu -- 09:54 PM CST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.11.21.31.31.31.31.21.21.110.90.80.70.60.40.40.30.30.30.40.50.60.70.9

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 Houston/Galveston, TX (22,6,7,8)
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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.