Friday, September22, 2017 L-36.com


Marine Weather and Tides
Anahuac, 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 7:07AMSunset 7:16PM Friday September 22, 2017 7:16 PM CDT (00:16 UTC) Moonrise 8:19AMMoonset 8:06PM Illumination 6% Phase: Waxing Crescent; Moon at 2 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- 310 Pm Cdt Fri Sep 22 2017
Tonight..Southeast winds 10 to 15 knots becoming east 5 to 10 knots after midnight. Bay waters slightly choppy becoming smooth after midnight. A slight chance of showers and Thunderstorms after midnight.
Saturday..East 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 showers and Thunderstorms.
Saturday night..Southeast winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. Bay waters slightly choppy becoming smooth after midnight.
Sunday..East winds 5 to 10 knots becoming southeast 10 to 15 knots in the afternoon. Bay waters smooth becoming slightly choppy in the afternoon. A chance of showers and Thunderstorms.
Sunday night..Southeast winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. Bay waters slightly choppy becoming smooth after midnight. A slight chance of showers and Thunderstorms.
Monday..Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers and Thunderstorms.
Monday night..Southeast winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and Thunderstorms.
Tuesday..Southeast winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Bay waters smooth becoming slightly choppy in the afternoon. A chance of showers and Thunderstorms.
Tuesday night..Southeast winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and Thunderstorms.
Wednesday..Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and Thunderstorms.
Wednesday night..Southeast winds 10 to 15 knots becoming east 5 to 10 knots after midnight. Bay waters slightly choppy becoming smooth after midnight. A chance of showers and Thunderstorms.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 310 Pm Cdt Fri Sep 22 2017
Synopsis for high island to matagorda ship channel out 60 nm.. Light to moderate southeast winds and seas of 2 to 3 feet will continue well into next week. Winds may approach caution criteria at times. Periods of showers and Thunderstorms are expected across the waters each day, with the greatest potential during the early morning hours.

7 Day Forecast for Marine Location Near Anahuac, TX
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location: 29.73, -94.7     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 222035
afdhgx
area forecast discussion
national weather service houston galveston tx
335 pm cdt Fri sep 22 2017

Discussion
Best shower thunderstorm coverage so far today has been in around
the matagorda bay and jackson county areas where the highest moisture
levels have been found. Isolated to widely scattered storm development
is still possible across the rest of our area over the next several
hours (peak heating) with all activity expected to dissipate early
this evening. The area still looks to be on the warm and dry side
over the weekend with only spotty mainly daytime shower thunderstorm
development anticipated. Models are generally trending next week's
increasing rain chances associated with an approaching storm system
and accompanying cold front to be setting up across the western and
central parts of the state as weak mid upper level ridging centered
out in the gulf tries to be a player for our area. Once the ridging
breaks and we do get the front on through, look for some drier and
slightly cooler weather to eventually work its way into our area. 42

Marine
Light to moderate onshore winds, seas around 2 to 3 feet,
and periods of showers and thunderstorms are expected across
the waters this weekend and into next week. A cold front may
push off the coast late in the week next week. Tides continue
to run about 0.5 to 1 foot above normal but should remain
below any critical thresholds for impacts.

Prev discussion issued 1238 pm cdt Fri sep 22 2017
aviation...

a few isolated showers and storms will be possible across the
western portion of the area today, but coverage is expected to be
too low to include in the tafs. Expect some fog low stratus once
again overnight tonight and into tomorrow morning, with the
greatest potential north of kiah. Conditions will probably be
slightly better than what occurred this morning due to slightly
less available moisture. Any fog low CIGS that do develop will
improve around mid-morning, withVFR conditions expected for the
rest of the period. Isolated showers and storms will be possible
once again tomorrow afternoon, but coverage is expected to be too
sparse to include in this TAF package.

11
prev discussion... Issued 1016 am cdt Fri sep 22 2017
climate...

through the first three weeks of the month...

-college station had an average temperature of 79.4 degrees (1.9
degrees below normal) and a rainfall total of 0.22 inches (2.03
inches below normal)
-houston intercontinental airport had an average temperature of
79.0 degrees (1.9 degrees below normal) and a rainfall total of
0.98 inches (1.99 inches below normal).

-hobby airport had an average temperature of 81.5 degrees (0.3
degrees above normal) and a rainfall total of 3.16 inches (0.71
inches below normal)
-galveston had an average temperature of 82.6 degrees (right at
normal) and a rainfall total of 0.01 inches (4.51 inches below
normal). Galveston's drier september on record is 0.04 inches set
in 1924.

42

Preliminary point temps pops
College station (cll) 72 91 72 91 71 10 20 10 20 10
houston (iah) 73 91 73 89 73 10 20 10 30 10
galveston (gls) 79 88 79 88 79 10 20 10 30 10

Hgx watches warnings advisories
Tx... None.

Gm... None.

11 22 42


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MGPT2 - 8770613 - Morgans Point, TX 15 mi46 min SSE 6 G 8.9 84°F 82°F1012.8 hPa
RLOT2 - 8770971 - Rollover Pass, TX 18 mi46 min SSE 7 G 8 83°F 85°F1012.9 hPa
HIST2 19 mi46 min SSE 4.1 G 5.1 83°F 85°F1013.1 hPa
EPTT2 - 8771013 - Eagle Point, TX 21 mi46 min SSE 8 G 9.9 83°F 85°F1013 hPa
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 26 mi46 min SE 6 G 8 85°F1012.4 hPa
GTOT2 29 mi46 min 84°F 85°F
NCHT2 - 8770777 - Manchester, TX 30 mi46 min SSE 5.1 G 8 86°F 82°F1011.9 hPa
GRRT2 31 mi46 min NE 6 G 8 83°F 85°F1013 hPa
SRST2 - Sabine Pass, TX 35 mi76 min SSE 6 G 8.9 83°F 1013.5 hPa (-1.1)74°F
42035 - GALVESTON 22NM East of Galveston, TX 38 mi76 min ESE 7.8 G 9.7 83°F 84°F2 ft1013.1 hPa (-1.5)75°F
KXIH 39 mi41 min
PORT2 - 8770475 - Port Arthur, TX 42 mi46 min S 5.1 G 6 84°F 83°F1013.1 hPa
SBPT2 - 8770570 - Sabine Pass North, TX 44 mi46 min S 6 G 8 83°F 86°F1014.4 hPa
TXPT2 46 mi46 min S 5.1 G 8 83°F 84°F1012.2 hPa

Wind History for Morgans Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston / Ellington, TX26 mi26 minSE 610.00 miPartly Cloudy84°F71°F66%1013.9 hPa

Wind History from EFD (wind in knots)
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Last 24hrCalmCalmSE3E4E4SE3CalmCalmCalmCalmCalmCalmE3SE5--E8CalmE9SE9E9SE8E9SE8SE6
1 day ago--SE4SE4CalmSE4SE3SE3SE4SE4SE3CalmCalmNE3SE3SE5S8E9N9
G25
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2 days agoS6S6S4SE5SE5SE5SE4SE4S5SE3SE3CalmCalmSE3S9S7SE7SE6SW8W10E4SE7SE7S8

Tide / Current Tables for Round Point, Trinity Bay, Galveston Bay, Texas (sub)
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Round Point
Click for Map
Fri -- 04:48 AM CDT     1.16 feet High Tide
Fri -- 05:23 AM CDT     0.67 feet Low Tide
Fri -- 07:07 AM CDT     Sunrise
Fri -- 09:19 AM CDT     Moonrise
Fri -- 04:41 PM CDT     1.08 feet High Tide
Fri -- 05:35 PM CDT     0.49 feet Low Tide
Fri -- 07:14 PM CDT     Sunset
Fri -- 09:05 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.911.11.11.110.70.70.70.80.80.90.9111.11.10.90.50.50.50.60.70.7

Tide / Current Tables for Point Barrow, Trinity Bay, Texas
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Point Barrow
Click for Map
Fri -- 04:44 AM CDT     0.69 feet Low Tide
Fri -- 07:07 AM CDT     Sunrise
Fri -- 09:19 AM CDT     Moonrise
Fri -- 11:44 AM CDT     1.17 feet High Tide
Fri -- 04:53 PM CDT     0.47 feet Low Tide
Fri -- 07:15 PM CDT     Sunset
Fri -- 09:06 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.31.210.80.70.70.70.80.911.11.21.21.10.90.70.50.50.50.60.70.911.1

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 Houston/Galveston, TX (20,4,5,8)
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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.