Monday, November20, 2017 L-36.com


Marine Weather and Tides
West University Place, 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 6:49AMSunset 5:24PM Monday November 20, 2017 11:26 AM CST (17:26 UTC) Moonrise 8:33AMMoonset 7:21PM 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 Matagorda Bay-galveston Bay- 938 Am Cst Mon Nov 20 2017
Rest of today..East winds around 10 knots becoming 5 to 10 knots in the afternoon. Bay waters smooth to slightly choppy becoming smooth in the afternoon. A slight chance of showers late in the morning.
Tonight..Southeast winds 5 to 10 knots. Bay waters smooth. A slight chance of showers after midnight.
Tuesday..South winds 5 to 10 knots. Bay waters smooth. A slight chance of showers in the morning. A chance of showers and Thunderstorms in the afternoon.
Tuesday night..East winds 5 to 10 knots becoming northeast 10 to 15 knots after midnight. Bay waters smooth becoming slightly choppy after midnight. A chance of showers and Thunderstorms in the evening, then a slight chance of showers after midnight.
Wednesday..North winds 15 to 20 knots decreasing to 10 to 15 knots in the afternoon. Bay waters choppy becoming slightly choppy in the afternoon.
Wednesday night..North winds 10 to 15 knots. Bay waters slightly choppy.
Thursday..North winds 5 to 10 knots. Bay waters smooth.
Thursday night..North winds 5 to 10 knots. Bay waters smooth.
Friday..Northeast winds around 5 knots becoming southeast in the afternoon. Bay waters smooth.
Friday night..South winds 5 to 10 knots. Bay waters smooth.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 938 Am Cst Mon Nov 20 2017
Synopsis for high island to matagorda ship channel out 60 nm.. Northeast to east winds today will gradually become south to southeast by Tuesday before the next cold front pushes off the coast Tuesday night or early Wednesday morning. Scattered showers and Thunderstorms will be possible across the coastal waters ahead of the front. Behind the front, caution flags will likely be needed for strengthening north winds and building seas. Conditions are expected to improve by Thursday with light onshore flow becoming established by Friday.

7 Day Forecast for Marine Location Near West University Place, TX
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location: 29.72, -95.36     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 201128
afdhgx
area forecast discussion
national weather service houston galveston tx
528 am cst Mon nov 20 2017

Aviation
Vfr conditions are expected to prevail through the next 24-30
hours with periods of broken to overcast clouds between
fl150-fl250 today. Light and variable winds this morning inland
will gradually become east to southeast midday and increase 5-8
knots (remaining around 8-10 knots along the coast) as surface
high pressure along the gulf coast slides east. Winds are expected
to become light and variable again overnight. Depending on the
amount of moisture return as winds veer onshore, lower clouds
around fl020-fl025 will be possible at all terminals with patchy
fog at cll, cxo, and lbx tonight through the end of the taf
period. Due to low confidence in how quickly this moisture will
return, have not included any MVFR category restrictions with the
12z package.

Huffman

Prev discussion issued 332 am cst Mon nov 20 2017
discussion...

considerable high cloudiness is moving west to east across the
area tonight, yielding partly cloudy skies. Currently too dry for
any precip across the area with a series of upper level short
waves moving across. The exception could be offshore later today
where we could see a few very light showers developing from mid-
level cloud cover. MAX temps today will be similar to yesterday
with mid-upper 60s expected for most areas, possibly reaching the
lower 70s across SW areas.

Will see some low-level moisture return begin this afternoon as
winds become southeast. This additional moisture with near calm
winds could lead to some patchy fog across SW W areas late mon
night early tues. On tues, expect temps to warm into the mid 70s
with scattered showers developing offshore and near the coast as a
mid upper level trough amplifies over the area. A significant
upper level jet streak will be diving southeast into the area on tue
aft eve from the nw, and lift from this feature could produce
isolated tstms tues aft eve across southeast areas and offshore.

Models are in good agreement that our next cold front will move
across Tuesday night into Wed morning. The chance of precip across
the area should end on Wed morning with the front offshore.

Expect dry and cool conditions for thanksgiving behind the front.

A warmup will begin on Friday as a strong mid upper ridge builds
to our W sw. It appears that MAX temps will likely be close to 80
inland on Saturday ahead of a weak cool front that will move
through Sat night Sun morning. It does not look like we will see
any precipitation with next weekend's weak front.

Wood
marine...

light northeast winds over the coastal waters this morning will
gradually become easterly today and southeasterly tonight as surface
high pressure stretching from texas towards the ohio valley slides
towards the east. Southeast to south winds will continue Tuesday
ahead of a cold front moving off the coast on early Wednesday
morning with moderate offshore flow in its wake likely warranting
caution or advisory flags. Showers and thunderstorms are expected to
develop across the coastal waters ahead of the front on Tuesday,
shifting south as the front clears the waters on Wednesday. Expect
wave heights in the 1-3 feet range ahead of the front, building into
the 4-7 feet range behind the front. Improving conditions are
expected by Thursday with light onshore flow resuming by Friday.

Huffman

Preliminary point temps pops
College station (cll) 67 50 74 51 64 0 10 10 10 10
houston (iah) 68 53 75 55 68 0 10 20 20 10
galveston (gls) 67 61 74 59 69 10 10 30 30 10

Hgx watches warnings advisories
Tx... None.

Gm... None.

Discussion... 33
aviation marine... 14


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NCHT2 - 8770777 - Manchester, TX 5 mi38 min ENE 4.1 G 8.9 61°F 71°F1022.9 hPa
MGPT2 - 8770613 - Morgans Point, TX 20 mi38 min ENE 8.9 G 11 61°F 69°F1023.6 hPa
EPTT2 - 8771013 - Eagle Point, TX 29 mi44 min E 13 G 14 59°F 62°F1023.7 hPa
GRRT2 38 mi38 min 63°F 62°F1023.7 hPa
GTOT2 41 mi38 min 62°F 67°F
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 42 mi44 min E 13 G 15 64°F1022.7 hPa
LUIT2 46 mi86 min 65°F
RLOT2 - 8770971 - Rollover Pass, TX 47 mi38 min E 8.9 G 13 61°F 63°F1023.4 hPa

Wind History for Morgans Point, TX
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N11
G18
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W11
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SE6
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
John Dunn Helistop, TX2 mi31 minVar 610.00 miFair63°F37°F39%1023.4 hPa
Houston, Houston Hobby Airport, TX6 mi33 minE 810.00 miFair61°F41°F48%1024 hPa
Houston / Ellington, TX12 mi36 minENE 910.00 miMostly Cloudy63°F41°F45%1024.4 hPa
Houston, Pearland Regional Airport, TX15 mi33 minE 710.00 miFair65°F44°F47%1024 hPa
Houston Southwest Airport, TX16 mi51 minE 710.00 miFair65°F43°F46%1024 hPa
Houston Intercontinental Airport, TX17 mi33 minESE 810.00 miMostly Cloudy61°F35°F38%1023.8 hPa
Houston, Sugar Land Municipal / Hull Field Airport, TX17 mi33 minE 710.00 miFair63°F39°F43%1023.6 hPa

Wind History from MCJ (wind in knots)
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Last 24hrN11N8
G13
NW10N8N7N7N5
G10
54NE7CalmNE6NE6CalmNE6NE7CalmNE6NE6NE7NE4CalmE10E9
1 day agoW15
G20
W8
G22
NW9
G18
--NW24
G32
N20N16
G25
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NW24
G35
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2 days agoS8
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Tide / Current Tables for Houston Ship Channel, Galveston Bay, Manchester, Texas
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Houston Ship Channel
Click for Map
Mon -- 12:02 AM CST     1.58 feet High Tide
Mon -- 06:16 AM CST     1.31 feet Low Tide
Mon -- 06:47 AM CST     1.31 feet High Tide
Mon -- 06:49 AM CST     Sunrise
Mon -- 08:32 AM CST     Moonrise
Mon -- 04:02 PM CST     0.06 feet Low Tide
Mon -- 05:23 PM CST     Sunset
Mon -- 07:20 PM CST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.61.61.51.41.41.31.31.31.31.21.10.90.70.40.20.10.10.10.30.50.81.11.31.5

Tide / Current Tables for Lynchburg Landing, San Jacinto River, Texas
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Lynchburg Landing
Click for Map
Mon -- 12:19 AM CST     1.37 feet High Tide
Mon -- 06:49 AM CST     Sunrise
Mon -- 08:32 AM CST     Moonrise
Mon -- 03:59 PM CST     0.01 feet Low Tide
Mon -- 05:22 PM CST     Sunset
Mon -- 07:19 PM CST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.41.41.31.21.21.11110.90.80.70.50.30.20.100.10.20.40.70.91.11.3

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 (12,3,4,5)
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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.