Tuesday, November21, 2017 L-36.com


Marine Weather and Tides
El Lago, 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 5:23PM Tuesday November 21, 2017 4:14 AM CST (10:14 UTC) Moonrise 9:22AMMoonset 8:06PM Illumination 7% 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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GMZ335 Matagorda Bay-galveston Bay- 326 Am Cst Tue Nov 21 2017
.small craft advisory in effect from this evening through Wednesday morning...
Today..South winds 5 to 10 knots. Bay waters smooth. A chance of showers and isolated Thunderstorms.
Tonight..Northeast winds 15 to 20 knots increasing to 20 to 25 knots after midnight. Bay waters choppy becoming rough after midnight. A slight chance of showers and isolated Thunderstorms.
Wednesday..North winds 15 to 25 knots becoming 15 to 20 knots in the afternoon. Bay waters choppy.
Wednesday night..North winds 10 to 15 knots. Bay waters slightly choppy.
Thursday..North winds 5 to 10 knots. Bay waters smooth.
Thursday night..Northeast winds 5 to 10 knots. Bay waters smooth.
Friday..East winds around 5 knots becoming south in the afternoon. Bay waters smooth.
Friday night..Southwest winds 5 to 10 knots. Bay waters smooth.
Saturday..Southwest winds around 5 knots becoming south in the afternoon. Bay waters smooth.
Saturday night..Northwest winds around 5 knots becoming north after midnight. Bay waters smooth.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 326 Am Cst Tue Nov 21 2017
Synopsis for high island to matagorda ship channel out 60 nm.. Onshore winds are expected to continue with high pressure east of the area. Scattered showers and Thunderstorms will be possible across the coastal waters ahead of a cold front. Winds will increase quickly behind the front, and a small craft advisory is in effect for the marine areas for late tonight into early Wednesday. Conditions are expected to improve by Thursday with a light onshore flow becoming established by Friday.

7 Day Forecast for Marine Location Near El Lago, TX
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location: 29.56, -95.05     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 210536
afdhgx
area forecast discussion
national weather service houston galveston tx
1136 pm cst Mon nov 20 2017

Aviation
A 6000 foot cloud deck is moving into the area from the southwest.

Think ceilings could lower during the overnight hours, but for now have
kept themVFR. Some -ra -shra echoes have been showing up on radar
off the coast, and this activity could increase as it works its way
toward the beaches and moves inland. Have added vcsh from iah southward
and have carried vcsh throughout much of the day tomorrow. Conditions
could become increasingly favorable for possible tsra as the day progresses,
and we'll closely monitor radar and model trends for possible mention
in future tafs. South winds for much of the upcoming day will shift
to the north late tomorrow and on into tomorrow night as a cold front
moves on through and gradually clears the area out. 42
prev discussion... Issued 345 pm cst Mon nov 20 2017
discussion...

low-level moisture continuing to slowly climb across SE tx this
afternoon given the light onshore flow. Precipitation (associa-
ted with the shortwave) has remained over the gulf waters... And
should continue to move east out of the area. We could see some
isolated waa-type showers along the coast overnight... But still
thinking that the better rain chances will be during the after-
noon tomorrow as a strong cold front approaches from the north.

Favorable upper jet placement along with progs of strong short-
wave activity will help to keep the mention of isolated thunder
in with FROPA tomorrow.

Looking ahead, this may be our last best chance for rain during
the upcoming forecast period. Models indicating the development
of a highly amplified upper ridge out west, which should keep a
fairly deep dry NW flow in place over SE tx through the rest of
the week (and into the weekend). As such, not expecting any big
weather issues for thanksgiving across the region. Mostly clear
skies along with highs in the mid 60s and lows in the lower 40s
are on tap. Another cold front forecast on Sat should be mostly
dry given the lack of return flow moisture. 41
marine...

not many marine impacts expected tonight. The next cold front is
expected to push off of the coast Tuesday night. Showers and
thunderstorms are possible along and ahead of this front. After the
frontal passage, moderate to strong northeasterly winds are expected
to develop late Tuesday night into Wednesday. Improving conditions
are expected by Thursday with light onshore flow resuming by Friday.

Preliminary point temps pops
College station (cll) 68 53 74 50 63 0 10 10 10 10
houston (iah) 67 53 73 55 66 10 10 20 30 10
galveston (gls) 66 63 74 61 68 10 10 30 30 10

Hgx watches warnings advisories
Tx... None.

Gm... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MGPT2 - 8770613 - Morgans Point, TX 9 mi45 min ESE 5.1 G 6 63°F 69°F1013.6 hPa
EPTT2 - 8771013 - Eagle Point, TX 9 mi45 min SE 8.9 G 11 66°F 63°F1013.5 hPa
NCHT2 - 8770777 - Manchester, TX 16 mi45 min Calm G 4.1 61°F 70°F1013 hPa
GRRT2 20 mi45 min 66°F 64°F1013.7 hPa
GTOT2 22 mi45 min 68°F 69°F
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 22 mi45 min SE 15 G 17 67°F1013.1 hPa
RLOT2 - 8770971 - Rollover Pass, TX 29 mi45 min SE 12 G 16 67°F 63°F1013.8 hPa
LUIT2 34 mi75 min 69°F
HIST2 35 mi45 min SE 2.9 G 6 65°F 66°F1014 hPa
KXIH 38 mi20 min SSE 17 70°F 61°F
42035 - GALVESTON 22NM East of Galveston, TX 41 mi85 min SE 14 G 16 68°F 70°F3 ft1014 hPa (-2.0)62°F
FCGT2 - 8772447 - USCG Freeport, TX 45 mi45 min WSW 5.1 G 5.1 67°F 68°F1013.6 hPa

Wind History for Morgans Point, TX
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NE7
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston / Ellington, TX8 mi25 minN 010.00 miMostly Cloudy61°F57°F88%1014.2 hPa
Houston, Pearland Regional Airport, TX11 mi22 minN 010.00 miOvercast64°F61°F90%1013.9 hPa
Houston, Houston Hobby Airport, TX14 mi22 minN 010.00 miMostly Cloudy60°F59°F96%1013.9 hPa
John Dunn Helistop, TX21 mi20 minN 010.00 miMostly Cloudy59°F53°F82%1013.2 hPa
Galveston, Scholes Field, TX22 mi23 minSSE 1110.00 miLight Rain69°F64°F84%1013.4 hPa
Houston Southwest Airport, TX23 mi20 minN 010.00 miOvercast59°F57°F93%1013.5 hPa

Wind History from EFD (wind in knots)
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Last 24hrNE3NE4NE5NE5NE7E9E9E7E8E8E8E10E9E4E3E4E3CalmE3NE3--Calm--Calm
1 day agoN12
G17
N12N12
G23
N15----N14N7N11NW11NW6NW6N5--N4N4N4E3CalmCalmNE3------
2 days ago--S8S4S5SW10SW13
G20
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SW15SW14W14W10W9NW13
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--N20
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G21

Tide / Current Tables for Clear Lake, Harris Co. Park, Texas
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Clear Lake
Click for Map
Tue -- 01:28 AM CST     0.79 feet High Tide
Tue -- 06:49 AM CST     Sunrise
Tue -- 07:26 AM CST     0.68 feet Low Tide
Tue -- 09:21 AM CST     Moonrise
Tue -- 09:33 AM CST     0.69 feet High Tide
Tue -- 05:22 PM CST     Sunset
Tue -- 05:51 PM CST     -0.14 feet Low Tide
Tue -- 08:06 PM CST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.70.80.80.80.70.70.70.70.70.70.70.70.60.40.20.1-0-0.1-0.1-0.1-00.10.30.5

Tide / Current Tables for Bolivar Roads, Texas Current
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Bolivar Roads
Click for Map
Tue -- 12:13 AM CST     -0.00 knots Slack
Tue -- 06:47 AM CST     Sunrise
Tue -- 09:20 AM CST     Moonrise
Tue -- 10:32 AM CST     -1.85 knots Max Ebb
Tue -- 03:04 PM CST     0.00 knots Slack
Tue -- 05:21 PM CST     Sunset
Tue -- 06:44 PM CST     1.98 knots Max Flood
Tue -- 08:06 PM CST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.1-0.2-0.4-0.6-0.6-0.7-0.8-1.1-1.4-1.7-1.8-1.8-1.7-1.3-0.8-0.10.71.51.921.81.51.10.7

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 (5,6,7,8)
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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.