Tuesday, January16, 2018 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 7:14AMSunset 5:46PM Tuesday January 16, 2018 7:24 AM CST (13:24 UTC) Moonrise 6:50AMMoonset 5:37PM Illumination 0% Phase: New Moon; Moon at 29 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- 410 Am Cst Tue Jan 16 2018
.small craft advisory in effect through this evening...
.low water advisory in effect until 4 pm cst this afternoon...
Today..North winds 25 to 30 knots. Gusts to near gale force expected in the morning. Bay waters rough. Rain likely until late afternoon. Light freezing rain and sleet likely in the afternoon. Snow likely late.
Tonight..North winds 15 to 25 knots becoming 15 to 20 knots after midnight. Bay waters choppy. A chance of snow, light freezing rain and sleet in the evening, then a slight chance of light freezing rain, snow and sleet 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..Northeast winds 5 to 10 knots. Bay waters smooth. A slight chance of rain.
Thursday..Northeast winds 5 to 10 knots. Bay waters smooth. A slight chance of rain.
Thursday night..East winds 5 to 10 knots. Bay waters smooth. A slight chance of showers.
Friday..Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers.
Friday night..South winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers.
Saturday..South winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers.
Saturday night..South winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 410 Am Cst Tue Jan 16 2018
Synopsis for high island to matagorda ship channel out 60 nm.. A strong cold front will continue pushing southward through the upper texas coastal waters this morning with strong offshore winds and building seas in its wake. There could be some frozen precipitation behind the front before clearing this evening. Wind speeds will gradually diminish Wednesday. High pressure will move east of the region allowing onshore winds to resume by Thursday night and persist into the weekend. The next front should move into the area late Sunday.

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 161013
afdhgx
area forecast discussion
national weather service houston galveston tx
413 am cst Tue jan 16 2018

Discussion
Arctic cold front is now moving through the coastal waters. Behind the
front, temperatures have been falling with below freezing readings
now across much of our northern counties and likely creating hazardous
driving conditions where mixed precipitation is falling and any accumulations
are occuring. Breezy and gusty north winds behind the front are helping
to drop wind chill readings to around 20 at some spots at 3 am, and
expect these values to continue to fall throughout the day with teens
areawide before sunset. South of the current mixed precipitation locations
and possibly all the way to the coast, areas of rain will transition
over to mixed precipitation as temperatures fall below freezing. Some
enhancement during the day could possibly bring pockets of increasing
mixed precipitation coverage resulting in an increasing travel hazard
where any accumulations develop. The winter storm warning and winter
weather advisory will remain in effect with this package, and will
cover the elevated winds and falling wind chills with the statement.

Precipitation will come to an end from north to south beginning this
afternoon and continuing to the coast tonight as strong high pressure
helps to bring much drier air into the area. Future shifts will likely
be able to adjust remove parts of our area from the warning and advisory,
and we will likely be replacing them with hard freeze warnings (Wednesday
morning's lows in the teens north and 20s south all the way to the
coast) and wind chill advisories (ranging from 5 up north to the teens
at the coast) for much of the area. Wednesday's record low temperatures
are 0 degrees set in 1930 for cll, 15 degrees set in 1930 for the city
of houston, 23 degrees set in 1965 for hou and 23 degrees set in 1885
at gls). Temperatures will struggle to warm on Wednesday and should
peak in the mid to upper 30s, but winds will be much weaker. Thursday
morning's lows will be cold again, ranging from around 20 north to
close to freezing at the coast, and another hard freeze warning will
probably be needed generally to the north of i-10. Look for a warmup
to begin on Thursday, and we might even see some highs in the 70s over
the weekend. As for our next best chance of rain (temperatures will
not be cold enough for anything frozen), it should come around Friday
and Friday night (higher chances near the coast and lower chances inland)
as a mid upper level storm system move eastward across south texas,
and then again on Sunday with the approach and passage of the next
cold front. 42

Marine
Will maintain current gale warning and advisory flags, but have made
starting time to the current time as the front is now pushing off
the coast. Will also hoist a low water advisory for the bays
(primarily for the northern parts) as strong nnw winds transport
water out. Observed levels are forecast to be around -1.5 mllw
the mid morning low tide. There could be some frozen precipitation
behind the front before clearing this evening.

High pressure will move east of the region allowing onshore winds to
resume by Thursday night and persist into the weekend. The next
front should move into the area late Sunday. 47

Aviation
Transition of precip from liquid to frozen has occurred as far south
as cxo. Temps will continue to fall further in the metro area and
coast thru the day so expect frozen precip there as well. Most of
the precipitation will end by 01z. Strong north winds will develop
in the wake of the front and will begin to subside toward Tuesday
evening. Generally ifr ceilings are expected behind the front
gradually lifting to MVFR this morning with someVFR conditions
developing by late afternoon over the northern TAF sites and after
00z over the south. Skies are expected to becomeVFR areawide
between 06-09z. 47

Preliminary point temps pops
College station (cll) 29 18 36 22 43 60 10 0 10 10
houston (iah) 35 21 38 25 43 70 10 0 10 10
galveston (gls) 44 26 39 32 47 70 30 10 10 10

Hgx watches warnings advisories
Tx... Winter storm warning until midnight cst tonight for the
following zones: austin... Brazos... Burleson... Colorado...

grimes... Harris... Houston... Liberty... Madison...

montgomery... Polk... San jacinto... Trinity... Walker...

waller... Washington.

Winter weather advisory until midnight cst tonight for the
following zones: brazoria... Chambers... Fort bend...

galveston... Jackson... Matagorda... Wharton.

Gm... Small craft advisory until midnight cst tonight for the
following zones: galveston bay... Matagorda bay.

Gale warning until midnight cst tonight for the following zones:
coastal waters from freeport to the matagorda ship channel
out 20 nm... Coastal waters from high island to freeport out
20 nm... Waters from freeport to the matagorda ship channel
from 20 to 60 nm... Waters from high island to freeport from
20 to 60 nm.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MGPT2 - 8770613 - Morgans Point, TX 9 mi55 min N 14 G 21 50°F1033 hPa
EPTT2 - 8771013 - Eagle Point, TX 9 mi55 min N 19 G 28 37°F 49°F1032.6 hPa
NCHT2 - 8770777 - Manchester, TX 16 mi55 min N 14 G 19 34°F 55°F1033 hPa
GRRT2 20 mi55 min N 26 G 33 38°F 49°F1031.7 hPa
GTOT2 22 mi55 min N 20 G 25 39°F 51°F1031.5 hPa
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 22 mi55 min N 31 G 38 50°F1030.4 hPa
RLOT2 - 8770971 - Rollover Pass, TX 29 mi55 min N 26 G 32 40°F 49°F1031.1 hPa
LUIT2 34 mi55 min N 27 G 30 42°F 52°F1031 hPa
HIST2 35 mi55 min N 18 G 25 39°F 51°F1031.6 hPa
KXIH 38 mi30 min NNE 21 G 31 43°F 39°F
42035 - GALVESTON 22NM East of Galveston, TX 41 mi95 min N 27 G 31 47°F 53°F3 ft1029 hPa (+2.1)47°F
FCGT2 - 8772447 - USCG Freeport, TX 45 mi55 min NNW 15 G 28 40°F 52°F1031.3 hPa

Wind History for Morgans Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston / Ellington, TX8 mi35 minNNW 14 G 225.00 miLight Rain34°F33°F100%1033.9 hPa
Houston, Pearland Regional Airport, TX11 mi32 minN 15 G 239.00 miOvercast35°F34°F96%1033.6 hPa
Houston, Houston Hobby Airport, TX14 mi32 minN 17 G 238.00 miOvercast33°F33°F100%1034.1 hPa
John Dunn Helistop, TX21 mi30 minN 14 G 262.50 miFog/Mist32°F28°F87%1033.2 hPa
Galveston, Scholes Field, TX22 mi33 minN 29 G 3710.00 miOvercast and Windy40°F37°F93%1031.9 hPa
Houston Southwest Airport, TX23 mi30 minN 16 G 2210.00 miOvercast32°F30°F92%1033.9 hPa

Wind History from EFD (wind in knots)
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Last 24hrCalmE4SE8--SE8S7SE8E12E12E9--E8E7E7E8E6E9E4N3N12NW16
G22
NW14
G19
N16
G24
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1 day agoNE3E8E10E6SE9SE6E8E7E7E6--SE4E3SE3CalmCalmCalmCalm------CalmCalmCalm
2 days agoN9N9NE7N5N5NW9NW9NW8NW7N7NW4NE5NE4N3N3NE6E3NE7NE5--NE3--NE5NE5

Tide / Current Tables for Clear Lake, Harris Co. Park, Texas
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Clear Lake
Click for Map
Tue -- 12:18 AM CST     0.44 feet High Tide
Tue -- 04:54 AM CST     0.35 feet Low Tide
Tue -- 06:50 AM CST     Moonrise
Tue -- 07:15 AM CST     Sunrise
Tue -- 07:55 AM CST     0.40 feet High Tide
Tue -- 04:16 PM CST     -0.57 feet Low Tide
Tue -- 05:37 PM CST     Moonset
Tue -- 05:44 PM CST     Sunset
Tue -- 08:18 PM CST     New Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.40.40.40.40.40.30.40.40.40.40.30.1-0.1-0.2-0.4-0.5-0.6-0.5-0.4-0.3-0.10.10.30.4

Tide / Current Tables for Bolivar Roads, Texas Current
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Bolivar Roads
Click for Map
Tue -- 01:31 AM CST     -0.69 knots Max Ebb
Tue -- 02:41 AM CST     -0.66 knots Min Ebb
Tue -- 06:48 AM CST     Moonrise
Tue -- 07:14 AM CST     Sunrise
Tue -- 09:01 AM CST     -1.89 knots Max Ebb
Tue -- 01:23 PM CST     0.00 knots Slack
Tue -- 05:04 PM CST     2.03 knots Max Flood
Tue -- 05:36 PM CST     Moonset
Tue -- 05:43 PM CST     Sunset
Tue -- 08:18 PM CST     New Moon
Tue -- 11:20 PM CST     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.5-0.7-0.7-0.7-0.8-1-1.3-1.6-1.8-1.9-1.8-1.5-1-0.30.51.31.921.91.61.30.90.60.1

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 (8,2,3,4)
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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.