Thursday, August24, 2017 L-36.com


Marine Weather and Tides
Texas City, 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 6:52AMSunset 7:51PM Thursday August 24, 2017 12:00 AM CDT (05:00 UTC) Moonrise 8:40AMMoonset 8:58PM Illumination 4% 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 Galveston Bay- 1116 Pm Cdt Wed Aug 23 2017
.tropical storm watch in effect...
Rest of tonight..East winds around 5 knots becoming northeast after midnight. Bay waters smooth. A slight chance of showers and Thunderstorms.
Thursday..Northeast winds 5 to 10 knots becoming east in the afternoon. Bay waters smooth becoming smooth to slightly choppy in the afternoon. A chance of showers and Thunderstorms.
Thursday night..East 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 Thunderstorms.
Friday..East winds 15 to 20 knots. Bay waters choppy. Showers and Thunderstorms likely. Some Thunderstorms may produce gusty winds, and heavy rainfall.
Friday night..Southeast winds 15 to 25 knots. Bay waters choppy. Showers and Thunderstorms likely. Some Thunderstorms may produce gusty winds, and heavy rainfall.
Saturday..Southeast winds 15 to 25 knots becoming 15 to 20 knots in the afternoon. Bay waters choppy. Showers and Thunderstorms. Some Thunderstorms may produce gusty winds, and heavy rainfall.
Saturday night..East winds 20 to 25 knots becoming southeast 15 to 20 knots after midnight. Bay waters rough becoming choppy after midnight. Showers and Thunderstorms likely. Some Thunderstorms may produce gusty winds, and heavy rainfall.
Sunday..Southeast winds 15 to 20 knots. Bay waters choppy. Showers and Thunderstorms likely. Some Thunderstorms may produce gusty winds, and heavy rainfall.
Sunday night..Southeast winds 15 to 20 knots. Bay waters choppy. Showers and Thunderstorms likely. Some Thunderstorms may produce gusty winds, and heavy rainfall.
Monday..East winds 15 to 20 knots. Bay waters choppy. Showers and Thunderstorms likely. Some Thunderstorms may produce gusty winds, and heavy rainfall.
Monday night..East winds 10 to 15 knots. Bay waters slightly choppy. 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 1116 Pm Cdt Wed Aug 23 2017
Synopsis for high island to matagorda ship channel out 60 nm.. Tropical storm harvey is forecast to intensify and move northwest toward the texas coastline on Friday. Expect deteriorate late Thursday and into the weekend. A hurricane watch is in effect west of san luis pass and a tropical storm watch in effect from high island to san luis pass. Mariners are urged to keep up with the latest forecast.

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 240451
afdhgx
area forecast discussion
national weather service houston galveston tx
1151 pm cdt Wed aug 23 2017

Aviation
Shra along a slowly southward-moving frontal boundary will
continue to impact cll and uts through 08z before dissipating. Cxo
may be skirted by a stray shower but all other terminals are
expected to remain dry for the first few hours of the TAF period.

Directional convergence along the coast may result in a few pre-
dawn shra near gls and hou with tsra shra activity spreading near
the remainder of terminals with heating later by early afternoon.

Expect this activity to dissipate with loss of daytime heating by
early evening, with ifr to MVFR visibility restrictions and
variable and gusty winds should tsra shra impact a terminal.

Otherwise,VFR conditions are expected to prevail with northeast
to southeast winds 10 knots or less through the period. Any
impacts from tropical storm harvey are not expected until after
the extended TAF period.

Huffman

Prev discussion issued 1014 pm cdt Wed aug 23 2017
update...

further update with storms still ongoing but showing a general
weakening trend have raised pops a little further south down into
the houston metro for the midnight to 6 am period. Outflow could
slowly sag south with weak flow into and across the boundary will
probably see mainly showers but a few thunderstorms will probably
continue through the remainder of the night. Temperatures also
running cooler back in the rain cooled air.

Tropics...

still no real changes to the first 72-96 hours but NHC did make
some changes to the 96+ hr time period taking the storm westward
out of the area but they also stressed that confidence is low at
that point which is clearly shown in the forecast cone - very
large and nearly circular forecast at the end period. Where it
drifts to is still very much in question.

45

Preliminary point temps pops
College station (cll) 73 95 74 89 74 80 40 30 40 60
houston (iah) 76 93 77 85 75 40 40 30 60 70
galveston (gls) 81 88 79 85 80 20 50 60 70 70

Hgx watches warnings advisories
Tx... Hurricane watch for the following zones: brazoria... Jackson...

matagorda.

Tropical storm watch for the following zones: austin...

chambers... Colorado... Fort bend... Galveston... Harris...

liberty... Waller... Wharton.

Gm... Hurricane watch for the following zones: coastal waters from
freeport to the matagorda ship channel out 20 nm...

matagorda bay... Waters from freeport to the matagorda ship
channel from 20 to 60 nm.

Tropical storm watch for the following zones: coastal waters
from high island to freeport out 20 nm... Galveston bay...

waters from high island to freeport from 20 to 60 nm.

Discussion... 45
aviation marine... 14


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 8 mi48 min ESE 8 G 9.9 89°F1011.7 hPa
EPTT2 - 8771013 - Eagle Point, TX 8 mi48 min SE 8.9 G 9.9 85°F 89°F1012.2 hPa
GTOT2 11 mi42 min 85°F 91°F
GRRT2 13 mi42 min E 5.1 G 8 85°F 88°F1012.2 hPa
RLOT2 - 8770971 - Rollover Pass, TX 14 mi42 min SE 7 G 8.9 85°F 86°F1012.2 hPa
MGPT2 - 8770613 - Morgans Point, TX 19 mi42 min E 4.1 G 8.9 84°F 88°F1012.4 hPa
HIST2 22 mi42 min NNE 4.1 G 5.1 80°F 88°F1012.5 hPa
KXIH 24 mi25 min SE 7 86°F 72°F
42035 - GALVESTON 22NM East of Galveston, TX 25 mi60 min ESE 9.7 G 12 86°F 88°F1 ft1012.1 hPa (+0.6)74°F
LYBT2 26 mi42 min ESE 2.9 G 6 84°F 89°F1012.6 hPa
NCHT2 - 8770777 - Manchester, TX 32 mi42 min S 2.9 G 4.1 84°F 87°F1011.8 hPa
LUIT2 33 mi42 min ENE 7 G 8.9 85°F
SRST2 - Sabine Pass, TX 42 mi60 min ENE 4.1 G 4.1 78°F 1013.1 hPa (+0.7)76°F
FCGT2 - 8772447 - USCG Freeport, TX 46 mi42 min E 6 G 9.9 85°F 89°F1012.3 hPa

Wind History for Eagle Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Galveston, Scholes Field, TX15 mi68 minESE 510.00 miA Few Clouds84°F75°F74%1012.3 hPa
High Island 179A (Apache Corp), LA24 mi65 minSE 910.00 miFair86°F71°F62%1011.8 hPa
Houston / Ellington, TX24 mi70 minN 010.00 miPartly Cloudy82°F73°F74%1012.9 hPa

Wind History from GLS (wind in knots)
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Last 24hrS8S4S6S4CalmCalmCalmN3NW6N6N8NE6N4N7N86NE7SE8E8SE7SE8SE6SE8E5
1 day agoSE9S8S5S7S5CalmCalmCalmCalmNW34N5N5SE43E9SE8SE11SE8SE10SE8SE8S5S6
2 days agoSE12SE7SE8SE7S7SE6SE7SE5SE6SE9SE9SE8SE8SE8SE9SE10SE9SE10SE11SE9SE7SE6SE11SE9

Tide / Current Tables for Port Bolivar, Galveston Bay, Texas
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Port Bolivar
Click for Map
Thu -- 12:24 AM CDT     0.43 feet Low Tide
Thu -- 06:52 AM CDT     Sunrise
Thu -- 07:25 AM CDT     1.29 feet High Tide
Thu -- 09:39 AM CDT     Moonrise
Thu -- 01:06 PM CDT     0.84 feet Low Tide
Thu -- 06:46 PM CDT     1.33 feet High Tide
Thu -- 07:49 PM CDT     Sunset
Thu -- 09:58 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.40.40.50.70.91.11.21.31.31.21.110.90.80.911.11.21.31.31.31.210.8

Tide / Current Tables for Bolivar Roads, Texas Current
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Bolivar Roads
Click for Map
Thu -- 12:33 AM CDT     -1.30 knots Max Ebb
Thu -- 04:17 AM CDT     0.00 knots Slack
Thu -- 06:52 AM CDT     Sunrise
Thu -- 07:02 AM CDT     1.20 knots Max Flood
Thu -- 09:39 AM CDT     Moonrise
Thu -- 10:39 AM CDT     -0.00 knots Slack
Thu -- 02:17 PM CDT     -0.73 knots Max Ebb
Thu -- 05:14 PM CDT     0.00 knots Slack
Thu -- 07:13 PM CDT     0.48 knots Max Flood
Thu -- 07:49 PM CDT     Sunset
Thu -- 09:29 PM CDT     -0.00 knots Slack
Thu -- 09:58 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-1.3-1.3-1.1-0.8-0.20.511.21.10.70.3-0.1-0.4-0.6-0.7-0.7-0.5-0.10.30.50.40.2-0.2-0.5

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 (1,6,7,8)
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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.