Thursday, November15, 2018 L-36.com


Marine Weather and Tides
Texas City, 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 6:43AMSunset 5:25PM Thursday November 15, 2018 4:33 AM CST (10:33 UTC) Moonrise 1:09PMMoonset 12:00AM Illumination 49% Phase: First Quarter Moon; Moon at 7 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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GMZ335 Matagorda Bay-galveston Bay- 307 Am Cst Thu Nov 15 2018
Today..North winds 5 to 10 knots becoming west in the afternoon. Bay waters smooth.
Tonight..Southwest winds around 5 knots. Bay waters smooth.
Friday..West winds around 5 knots becoming south in the afternoon. Bay waters smooth.
Friday night..South winds 5 to 10 knots. Bay waters smooth.
Saturday..Southeast winds 5 to 10 knots. Bay waters smooth.
Saturday night..East winds 5 to 10 knots. Bay waters smooth. A slight chance of showers.
Sunday..East winds 5 to 10 knots. Bay waters smooth. A slight chance of showers.
Sunday night..Northeast winds 5 to 10 knots becoming north 10 to 15 knots after midnight. Bay waters smooth becoming slightly choppy after midnight. A chance of showers.
Monday..North winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and isolated Thunderstorms.
Monday night..Northeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 307 Am Cst Thu Nov 15 2018
Synopsis for high island to matagorda ship channel out 60 nm.. Light winds and low seas should persist today through Friday. Southerly winds begin to increase Saturday into Sunday ahead of the next cold front. The front should push off the coast on Monday with winds increasing from the northeast.


7 Day Forecast for Marine Location Near Texas City, TX
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location: 29.47, -94.77     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 150938
afdhgx
area forecast discussion
national weather service houston galveston tx
338 am cst Thu nov 15 2018

Discussion
Another clear and cool night has brought temperatures below
freezing across southeast texas. Most areas north of a colorado-
intercontinental-cleveland line are at or below 30 f, with a few
areas in wharton, fort bend, and brazoria counties sub-freezing.

No freeze warning is in effect because these are areas that have
already verified temperatures below freezing this season. Expect
to get another 2 to 3 degrees of radiational cooling with clear
skies and calm winds early this morning before we warm up to the
upper-50s today. Surface high pressure will continue to sit over
the texas coast through Friday, keeping skies clear and allowing a
gradual warming trend through the remainder of the week.

Temperatures will warm to near seasonal on Saturday with highs in
the 70s and lows in the 50s.

The high pressure system will slide eastward over the northern
gulf this weekend, causing surface winds to veer to southeasterly
by Saturday. This flow will result in moisture slowly returning to
the area as dew points rise from the low 40s to near 60.

Isentropic upglide and slight surface convergence will help
trigger the return of showers Saturday evening through Sunday. An
additional focus for rain on Sunday will be along a weak cold
front approaching southeast texas from the northwest. Although
there is lesser confidence in specific timing of the front, Sunday
afternoon and night will have the highest rain chances. There
will not be any sub-freezing temperatures caused by this front.

There is still a large amount with uncertainty for the forecast
late next week. What seems apparent at this time is that a series
of upper level shortwaves will pass through texas in the Wednesday
to Friday time frame. At the same time, a coastal trough
developing over the western gulf early next week and associated
surface boundary will track north to northeastward along the texas
coast. The onshore flow will allow pws to increase above 1.5" by
Thursday morning. The biggest factor that will determine where the
greatest impacts will be seen is the track of that coastal low.

The farther inland it progresses, the more area that will be in
the warm sector, and the placement of the boundary will affect
where the heaviest rainfall is located.

Regardless of the coastal low's track, showers and isolated
thunderstorms are expected for most of southeast texas late next
week. Because this system is still 7 to 8 days out, the timing
will continue to shift between that 2 to 3 day range, if not more.

When a clearer consensus is reached, pops will be raised,
accordingly. For holiday travel, there could be potentially
hazardous conditions near what is notoriously the worst travel day
in the country. Please continue to keep up with the local
forecast, as well as your location for the holiday, as the
forecast continues to evolve over the next week.

22

Marine Surface high pressure has moved over SE texas this
morning which has allowed for light northerly winds and subsiding
seas. These conditions should continue today as high pressure
moves east. Southerly winds develop Friday night and increase
Saturday. The next cold front should enter the region on Sunday
and push off the coast Sunday night into Monday morning. This will
cause an increase in northeast winds behind the front possibly
requiring a small craft exercise caution.

Tide levels should continue to recover closer to astronomical levels
over the next couple of days especially for the upper portions of
the bays and houston ship channel.

Overpeck

Preliminary point temps pops
College station (cll) 58 39 67 44 71 0 0 0 0 0
houston (iah) 57 40 65 45 71 0 0 0 0 0
galveston (gls) 56 51 64 60 70 0 0 0 0 0

Hgx watches warnings advisories
Tx... None.

Gm... None.

Discussion... 22
aviation marine... 39


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
EPTT2 - 8771013 - Eagle Point, TX 8 mi34 min N 4.1 G 4.1 43°F 50°F1027.4 hPa (-0.4)
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 8 mi34 min N 7 G 8.9 44°F 60°F1026.7 hPa (-0.4)
GTOT2 11 mi34 min NNE 4.1 G 5.1 44°F 62°F1027.1 hPa (-0.0)
GRRT2 13 mi34 min N 4.1 G 8 44°F 49°F1027.4 hPa (+0.0)
RLOT2 - 8770971 - Rollover Pass, TX 14 mi34 min NNE 6 G 7 40°F 51°F1027 hPa (-0.5)
MGPT2 - 8770613 - Morgans Point, TX 19 mi34 min NNE 2.9 G 5.1 41°F 59°F1027.2 hPa (-0.3)
HIST2 22 mi34 min WSW 2.9 G 2.9 35°F 51°F1027.4 hPa (-0.3)
KXIH 24 mi19 min NNE 8.9 46°F 25°F
42035 - GALVESTON 22NM East of Galveston, TX 25 mi24 min N 7.8 G 14 48°F 65°F1027.6 hPa28°F
NCHT2 - 8770777 - Manchester, TX 32 mi34 min NNW 1 G 1.9 38°F 66°F1026.6 hPa (-0.4)
LUIT2 33 mi34 min NE 5.1 G 7 46°F 1027.2 hPa (-0.0)
SRST2 - Sabine Pass, TX 42 mi34 min NNW 1.9 G 1.9 35°F 1027.4 hPa (-0.6)
FCGT2 - 8772447 - USCG Freeport, TX 46 mi34 min NW 2.9 G 2.9 42°F 61°F1028 hPa (-0.0)
FPST2 46 mi34 min WNW 6 G 6 43°F 61°F1027.1 hPa (-0.0)

Wind History for Eagle Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Galveston, Scholes Field, TX15 mi42 minE 510.00 miFair40°F32°F73%1027.5 hPa
High Island 179A (Apache Corp), LA24 mi39 minN 810.00 miFair46°F24°F43%1026.7 hPa
Houston / Ellington, TX24 mi44 minSSW 210.00 miFair36°F28°F75%1027.8 hPa

Wind History from GLS (wind in knots)
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Tide / Current Tables for Port Bolivar, Texas
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Port Bolivar
Click for Map
Thu -- 06:42 AM CST     Sunrise
Thu -- 08:54 AM CST     First Quarter
Thu -- 01:08 PM CST     Moonrise
Thu -- 03:28 PM CST     0.48 feet Low Tide
Thu -- 05:24 PM CST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.51.51.41.41.31.31.21.21.11.110.90.80.70.50.50.50.50.60.80.91.11.31.4

Tide / Current Tables for Bolivar Roads, Texas Current
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Bolivar Roads
Click for Map
Thu -- 04:19 AM CST     -0.00 knots Slack
Thu -- 06:42 AM CST     Sunrise
Thu -- 08:27 AM CST     -1.02 knots Max Ebb
Thu -- 08:54 AM CST     First Quarter
Thu -- 12:26 PM CST     -0.77 knots Min Ebb
Thu -- 01:08 PM CST     Moonrise
Thu -- 03:41 PM CST     -0.96 knots Max Ebb
Thu -- 05:24 PM CST     Sunset
Thu -- 07:41 PM CST     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.51.20.90.50.1-0.3-0.6-0.9-1-1-1-0.9-0.8-0.8-0.9-0.9-1-0.9-0.6-0.30.10.611.3

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 (5,6,7,8)
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Ground Weather Radar Station Houston/Galveston, TX
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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.