Monday, March27, 2017 L-36.com


Marine Weather and Tides
Taylor Lake Village, TX

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 7:13AMSunset 7:37PM Monday March 27, 2017 11:30 AM CDT (16:30 UTC) Moonrise 6:05AMMoonset 6:23PM Illumination 0% Phase: New Moon; Moon at 0 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- 1020 Am Cdt Mon Mar 27 2017
Rest of today..South winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and Thunderstorms early in the afternoon. A slight chance of showers and Thunderstorms late in the afternoon. Hazy.
Tonight..South winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. Bay waters slightly choppy becoming smooth after midnight.
Tuesday..Southeast winds 10 to 15 knots. Bay waters slightly choppy.
Tuesday night..Southeast winds 15 to 20 knots. Bay waters choppy.
Wednesday..Southeast winds 15 to 20 knots. Bay waters choppy. Showers and Thunderstorms likely.
Wednesday night..South winds 15 to 20 knots decreasing to 10 to 15 knots after midnight. Bay waters choppy becoming slightly choppy after midnight. A chance of showers and Thunderstorms.
Thursday..West winds 10 to 15 knots becoming around 10 knots in the afternoon. Bay waters slightly choppy becoming smooth to slightly choppy in the afternoon. A chance of showers and Thunderstorms.
Thursday night..Northwest winds 5 to 10 knots becoming northeast after midnight. Bay waters smooth.
Friday..Southeast winds 5 to 10 knots. Bay waters smooth.
Friday night..Southeast winds 10 to 15 knots. Bay waters slightly choppy.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 1020 Am Cdt Mon Mar 27 2017
Synopsis for high island to matagorda ship channel out 60 nm.. Moderate onshore winds will gradually strengthen by Wednesday as another storm system moves into the southern plains. Small craft advisories will be likely required on Wednesday as seas build. A weak cold front should move through the upper texas coastal waters early on Thursday.

7 Day Forecast for Marine Location Near Taylor Lake Village, TX
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location: 29.56, -95.07     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 271120
afdhgx
area forecast discussion
national weather service houston/galveston tx
620 am cdt Mon mar 27 2017

Aviation
Satellite trends show the potential for breaks in the MVFR deck
this morning, especially from about kcxo northward and
northwestward. An outflow boundary evident on satellite may work
its way southward past kcxo and kiah before returning back
northward later this afternoon. This boundary should become a
focus for at least isolated showers and thunderstorms during the
mid afternoon to early evening period -- mainly between 21z and
02z. The canadian model actually shows potential through about 03z
over kuts and kcll.

Any MVFR decks in place should lift after 15z today, andVFR
ceilings are possible through the afternoon. With light
southeasterly winds off of the gulf of mexico, MVFR is possible
tonight after 03z with a chance for ifr or lower after about
07-09z tonight.

40

Prev discussion /issued 416 am cdt Mon mar 27 2017/
discussion...

some strong storms moved through brazos county overnight with
some large hail reported but the radar is looking more benign at
the current time. At the surface, a weak area of low pressure over
central ok will move NE and drag a cold front into central texas
later today. The front will likely stall west of the CWA by mid
afternoon. At 850 mb, a trough of low pressure extended from
southern ks into west central texas. At 300 mb, a weak upper
level disturbance was noted over the western high plains with a
splitting jet over NE tx. The trough at 850 mb will move east
today and the tail end of the feature will linger over e-se tx
this afternoon. Although fcst soundings not showing a lot of
moisture, have some concerns that the trough coupled with daytime
heating could trigger a few showers and thunderstorms this
afternoon. Fcst soundings show a weak cap this morning eroding by
late aftn and convective temps between 83-85 degrees. Will
maintain lowish pops for mainly this afternoon.

Tuesday will be relatively tranquil. Convective temps warm into
the upper 80s and fcst soundings show a dry moisture profile with
multiple capping layers. It all GOES down hill late Tuesday night
into Wednesday.

Pw values increase rapidly early Wednesday and should range
between 1.70 and 1.90 inches by Wed aftn. A deep upper low will
move toward the texas panhandle with the upper flow showing a nice
split over east texas. Fcst soundings show CAPE values between
1500-2500 j/kg, LI values around -8, steep lapse rates and
helicity values around 115 m2/s2 over the south and over 300 m2/s2
over the north. It should be fairly active with severe storms
possible. SPC has outlooked all of SE tx for Wednesday and all
hazards look possible. Fcst soundings also show saturated moisture
profile so even though the system will be moving and storm motion
looks quick, some spots will get some locally heavy rain. The
upper level system will move slowly east Wed night/Thursday but a
disturbance rotating around the upper low will probably produce
additional rain late Wed night into early Thursday before drying
commences later in the day. Quiet weather and mild to warm temps
expected Thursday aftn through Saturday as weak high pressure
settles over the southern plains.

Another upper low will move into the texas panhandle over the
weekend and sfc low pressure will develop over south texas.

Moisture level increase to between 1.70 and 2.00 inches late
Saturday through Saturday night. Favorable jet dynamics coupled
with the higher moisture will once again lead to high rain chances
next weekend. Some disagreement between the GFS and the ECMWF on
how quickly next weekends system will exit the region so have
split the timing differences and will carry pops through Monday.

43
marine...

onshore winds will weaken a bit today before strengthening tonight
and Tuesday. Advisory conditions are expected to develop at least
over the gulf waters on Wednesday as a storm system moves across the
state. A frontal boundary will then move off of the coast by early
Thursday.

40

Preliminary point temps/pops
College station (cll) 84 67 85 68 79 / 10 10 10 20 80
houston (iah) 84 69 85 71 82 / 30 10 10 10 80
galveston (gls) 82 72 81 74 80 / 20 10 10 10 60

Hgx watches/warnings/advisories
Tx... None.

Gm... None.

Discussion... 43
aviation/marine... 40


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MGPT2 - 8770613 - Morgans Point, TX 10 mi43 min S 8 G 12 77°F 75°F1013.5 hPa
EPTT2 - 8771013 - Eagle Point, TX 10 mi43 min SSW 14 G 16 75°F 75°F1013.6 hPa
LYBT2 14 mi43 min S 9.9 G 17 77°F 73°F1012.4 hPa
NCHT2 - 8770777 - Manchester, TX 15 mi43 min SSW 6 G 9.9 76°F 73°F1013.3 hPa
GRRT2 20 mi43 min SSW 8.9 G 12 74°F 76°F1013.9 hPa
GTOT2 23 mi43 min 75°F 72°F
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 23 mi43 min S 8.9 G 9.9
LUIT2 34 mi43 min S 8 G 11 74°F
HIST2 36 mi43 min SSE 7 G 11
KXIH 39 mi36 min SSW 12 G 17 77°F 72°F
42035 - GALVESTON 22NM East of Galveston, TX 42 mi41 min SSE 9.7 G 14 73°F 72°F4 ft1013.3 hPa (+1.8)72°F
FCGT2 - 8772447 - USCG Freeport, TX 44 mi43 min S 8 G 9.9 75°F 72°F1013.9 hPa

Wind History for Morgans Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston / Ellington, TX7 mi41 minS 118.00 miPartly Cloudy79°F68°F70%1013.9 hPa
Houston, Pearland Regional Airport, TX10 mi38 minSSW 76.00 miPartly Cloudy with Haze79°F68°F69%1013.6 hPa
Houston, Houston Hobby Airport, TX13 mi38 minSSW 1210.00 miPartly Cloudy78°F68°F71%1013.5 hPa
John Dunn Helistop, TX20 mi56 minSSW 36.00 miPartly Cloudy77°F68°F74%1012.2 hPa
Houston Southwest Airport, TX22 mi56 minS 77.00 miMostly Cloudy77°F69°F79%1013.5 hPa
Galveston, Scholes Field, TX23 mi39 minS 102.00 miMostly Cloudy with Haze78°F73°F85%1014 hPa

Wind History from EFD (wind in knots)
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Last 24hrS14S14SE10SE13S15S13S11S11S10SE9S9S7----S5----SE5--SE5S6S6S8S11
1 day agoNW6--W6W6W6W9W4CalmSW4SE4CalmS4S4S5CalmCalm--CalmCalmCalmCalmCalmS9--
2 days agoSE19
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SW8S10S7S9S9S10S8S9SW7SW9NW7NW10

Tide / Current Tables for Clear Lake, Harris Co. Park, Texas
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Clear Lake
Click for Map
Mon -- 04:35 AM CDT     0.21 feet Low Tide
Mon -- 07:05 AM CDT     Moonrise
Mon -- 07:15 AM CDT     Sunrise
Mon -- 10:19 AM CDT     0.67 feet High Tide
Mon -- 05:05 PM CDT     -0.03 feet Low Tide
Mon -- 07:23 PM CDT     Moonset
Mon -- 07:36 PM CDT     Sunset
Mon -- 09:59 PM CDT     New Moon
Mon -- 11:10 PM CDT     0.58 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.50.50.30.30.20.20.30.40.50.60.70.70.60.40.20.10-0-00.10.20.40.50.6

Tide / Current Tables for Bolivar Roads, Texas Current
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Bolivar Roads
Click for Map
Mon -- 02:28 AM CDT     0.00 knots Slack
Mon -- 04:31 AM CDT     0.62 knots Max Flood
Mon -- 06:39 AM CDT     -0.00 knots Slack
Mon -- 07:03 AM CDT     Moonrise
Mon -- 07:14 AM CDT     Sunrise
Mon -- 10:53 AM CDT     -1.30 knots Max Ebb
Mon -- 02:31 PM CDT     0.00 knots Slack
Mon -- 05:06 PM CDT     1.17 knots Max Flood
Mon -- 07:22 PM CDT     Moonset
Mon -- 07:34 PM CDT     Sunset
Mon -- 08:12 PM CDT     -0.00 knots Slack
Mon -- 09:59 PM CDT     New Moon
Mon -- 11:49 PM CDT     -0.94 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.7-0.5-0.20.20.60.60.3-0.2-0.7-1-1.2-1.3-1.2-0.9-0.30.30.91.210.60.1-0.4-0.7-0.9

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.