Tuesday, June27, 2017 L-36.com


Marine Weather and Tides
Quintana, 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 6:24AMSunset 8:25PM Tuesday June 27, 2017 5:20 AM CDT (10:20 UTC) Moonrise 9:16AMMoonset 10:38PM Illumination 12% Phase: Waxing Crescent; Moon at 3 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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GMZ355 Coastal Waters From Freeport To The Matagorda Ship Channel Out 20 Nm-coastal Waters From High Island To Freeport Out 20 Nm- 431 Am Cdt Tue Jun 27 2017
Today..East winds 10 to 15 knots. Seas 2 to 3 feet. Showers and Thunderstorms likely in the morning, then a chance of showers and Thunderstorms in the afternoon.
Tonight and Wednesday..Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers and Thunderstorms.
Wednesday night..South winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and Thunderstorms.
Thursday..South winds 10 to 15 knots. Seas 3 to 4 feet. A chance of showers and Thunderstorms.
Thursday night..South winds 15 to 20 knots. Seas 4 to 5 feet with occasional seas up to 6 feet. A chance of showers and Thunderstorms.
Friday..South winds 15 to 20 knots. Seas 3 to 5 feet. A chance of showers and Thunderstorms.
Friday night..South winds 15 to 20 knots. Seas 4 to 5 feet with occasional seas up to 6 feet.
Saturday and Saturday night..South winds 10 to 15 knots becoming southeast in the late afternoon. Seas 3 to 5 feet.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 431 Am Cdt Tue Jun 27 2017
Synopsis for high island to matagorda ship channel out 60 nm.. Onshore winds will increase late in the week as an area of low pressure moves across the central plains. Periods of showers and Thunderstorms will affect the coastal waters through Friday with a gradual decrease in activity toward the weekend.

7 Day Forecast for Marine Location Near Quintana, TX
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location: 28.95, -95.31     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 270929
afdhgx
area forecast discussion
national weather service houston galveston tx
429 am cdt Tue jun 27 2017

Discussion
Showers and a few thunderstorms will continue across the coastal
areas and gulf waters throughout this morning before spreading
inland this afternoon. Lower pws (1.6-1.7) over the NE zones may
be a limiting factor for shower tstorm development across that
area. Inland convection should diminish heading into this
evening tonight, with the focus shifting to offshore once again
overnight tonight. The upper-level weakness currently over texas
will gradually shift towards the N gulf throughout the week this
week, allowing a similar diurnal pattern of showers and storms
over the waters overnight and inland during the day to persist
through Friday. By that time, the upper-level weakness will have
pushed off further into the gulf with upper ridging settling in
over texas in it's wake. This ridging will pretty much put an end
to rain chances this weekend and into early next week with hotter
and drier conditions settling over the region.

High temperatures and therefore heat index values will be on the
rise this week, reaching the low mid 90s (h.I. 98-105) by this
weekend and lingering through early next week. Although that seems
pretty warm, it's actually only a smidge above normal for this
time of year. 11

Marine
Ese flow this morning looks to continue though may back slightly
going into the late morning hours. Upper troughing with mid level
circulation centered near san antonio should drift west with low
level troughing to continue over the upper texas coastal waters and
coastal areas. Combination of the persistent upper support today and
low level convergence should maintain the presence of showers and
thunderstorms over the coastal waters. High pw air and the above
will also increase the heavy rainfall potential which could lower
visibility over the coastal waters at times to 1 mile or less. Can't
rule out a waterspout either this morning but not a very favorable
profile. Expect a slight lull to develop late afternoon over the
waters but then redevelop again tonight. Winds of 8-14 knots should
be dominate through Wednesday evening then increase to around 15 and
into the 15-20 knot range may need scec flags Thursday early .

Morning and again Thursday night.

45

Aviation
Showers and a few thunderstorms near gls-lbx-psx early this morning
withVFR conditions elsewhere. Expect some patchy MVFR CIGS vsby
around cxo and possibly even iah for a few hours between 09-13z
before CU begins to develop. Daytime heating and the very moist
airmass will likely lead to a proliferation of shra tsra across the
southern portions of setx and will probably be adding tempos to
iah hou sgr lbx for shra tsra between 16-23z... And vcsh into the mid
evening hours though may go longer again tonight as it did earlier
this morning.

45

Preliminary point temps pops
College station (cll) 89 72 90 74 91 50 20 20 10 40
houston (iah) 87 73 89 75 88 50 30 40 30 50
galveston (gls) 85 78 86 79 87 60 50 50 50 50

Hgx watches warnings advisories
Tx... None.

Gm... None.

Discussion... 11
aviation marine... 45


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FCGT2 - 8772447 - USCG Freeport, TX 1 mi51 min E 9.9 G 14 80°F 85°F1015.3 hPa
LUIT2 13 mi51 min E 13 G 16 80°F
SGNT2 20 mi51 min NNE 5.1 G 7 76°F 85°F1014 hPa
42043 - GA-252 TABS B 22 mi141 min 16 G 18 75°F 83°F1015.2 hPa
GRRT2 33 mi51 min E 8 G 9.9 79°F 84°F
EMAT2 36 mi51 min NNE 8 G 11 74°F 82°F1013.9 hPa
GTOT2 37 mi51 min 78°F 84°F
EPTT2 - 8771013 - Eagle Point, TX 42 mi51 min SSE 13 G 15 79°F 84°F1015.3 hPa
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 42 mi51 min ESE 11 G 15 84°F1014.9 hPa
KXIH 45 mi46 min SE 16 79°F 73°F
KBQX 47 mi46 min ESE 7 82°F 82°F

Wind History for USCG Freeport, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Angleton / Lake Jackson, Brazoria County Airport, TX14 mi28 minN 010.00 miOvercast77°F75°F96%1014.8 hPa

Wind History from LBX (wind in knots)
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Last 24hrN5N3NE5E9E6E9E10E8E9SE13
G17
W4SW5E3NW4CalmSE6NW3N4S4CalmN4NE3NE4Calm
1 day agoNE3N6N5NE5E6NE4S8NE8E7E7E6NE6SE7SE6SE4CalmE3E3NE3NE8NE3CalmN4N4
2 days agoCalmS3S105S12SE8N9N8N13
G18
E5N3N5E4E5E4NE3N7N3N5N4E4Calm4N4

Tide / Current Tables for Freeport Harbor, Texas
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Freeport Harbor
Click for Map
Tue -- 12:01 AM CDT     -0.81 feet Low Tide
Tue -- 06:24 AM CDT     Sunrise
Tue -- 08:10 AM CDT     1.62 feet High Tide
Tue -- 10:15 AM CDT     Moonrise
Tue -- 01:51 PM CDT     1.05 feet Low Tide
Tue -- 05:22 PM CDT     1.13 feet High Tide
Tue -- 08:23 PM CDT     Sunset
Tue -- 11:37 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.8-0.7-0.5-0.10.30.81.21.51.61.61.41.31.11.11.11.11.11.11.110.80.50.1-0.2

Tide / Current Tables for Christmas Bay, Texas
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Christmas Bay
Click for Map
Tue -- 03:32 AM CDT     -0.10 feet Low Tide
Tue -- 06:24 AM CDT     Sunrise
Tue -- 10:14 AM CDT     Moonrise
Tue -- 01:51 PM CDT     0.83 feet High Tide
Tue -- 05:44 PM CDT     0.23 feet Low Tide
Tue -- 08:23 PM CDT     Sunset
Tue -- 10:48 PM CDT     0.62 feet High Tide
Tue -- 11:37 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.50.30-0.1-0.1-0.100.10.30.40.60.70.80.80.80.70.40.30.20.30.40.50.60.6

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 (6,6,7,8)
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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.