Tuesday, May21, 2019 L-36.com


Marine Weather and Tides
Hunters Creek Village, TX

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:24AMSunset 8:12PM Tuesday May 21, 2019 2:20 PM CDT (19:20 UTC) Moonrise 10:05PMMoonset 7:46AM Illumination 92% Phase: Waning Gibbous; Moon at 17 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 Expires:201905220330;;224597 Fzus54 Khgx 211416 Cwfhgx Coastal Waters Forecast National Weather Service Houston/galveston Tx 916 Am Cdt Tue May 21 2019 Upper Texas Coastal Waters From High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays Seas Are Provided As A Range Of The Average Height Of The Highest 1/3 Of The Waves...along With The Occasional Height Of The Average Highest 10 Percent Of The Waves. Gmz330-335-220330- Matagorda Bay-galveston Bay- 916 Am Cdt Tue May 21 2019
.small craft advisory in effect until 7 pm cdt this evening...
Rest of today..South winds 20 to 25 knots decreasing to 15 to 20 knots in the afternoon. Bay waters rough becoming choppy in the afternoon. A slight chance of showers and isolated Thunderstorms early in the morning. A slight chance of showers and Thunderstorms late in the afternoon.
Tonight..South winds 15 to 20 knots decreasing to 10 to 15 knots after midnight. Bay waters choppy becoming slightly choppy after midnight. A slight chance of showers and Thunderstorms in the evening.
Wednesday..Southeast winds 10 to 15 knots increasing to 15 to 20 knots in the afternoon. Bay waters slightly choppy becoming choppy in the afternoon.
Wednesday night..Southeast winds 15 to 20 knots. Bay waters choppy.
Thursday..Southeast winds 15 to 20 knots. Bay waters choppy. A slight chance of showers and Thunderstorms.
Thursday night..Southeast winds 15 to 20 knots. Bay waters choppy.
Friday..Southeast winds 10 to 15 knots. Bay waters slightly choppy.
Friday night..Southeast winds 10 to 15 knots. Bay waters slightly choppy.
Saturday..Southeast winds 10 to 15 knots. Bay waters slightly choppy.
Saturday 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 916 Am Cdt Tue May 21 2019
Synopsis for high island to matagorda ship channel out 60 nm.. Hazardous marine conditions are expected today but should gradually decrease. Wind gusts to or above gale force are expected through mid morning before very slowly diminishing. We have started to see that trend of decreasing winds so the gale warning has been allowed to expire. A small craft advisory is in effect for most of the day. Moderate to occasionally strong onshore flow and elevated seas are expected for the next several days.


7 Day Forecast for Marine Location Near Hunters Creek Village, TX
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location: 29.76, -95.46     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 211738
afdhgx
area forecast discussion
national weather service houston galveston tx
1238 pm cdt Tue may 21 2019

Aviation [18z TAF issuance]
Visible satellite imagery and radar data show a line of showers
with maybe some embedded tsra but tsra have yet to really develop.

There have been some cell sin the line that have become more
developed than others, but in large, capping is limiting vertical
development. It's still possible that could change such that an
isolated storm could form as the convective line moves more
towards houston. Model trends suggest the capping will limit
thunderstorm development especially south of kiah. Kiah northward
we will keep a mention of vcts this afternoon for the potential of
an isolated storm, but overall think we will mainly have showers.

Threat for tsra should come to an end later this evening as most
activity slides NE with the main upper level trough axis over the
plains. Southerly winds should decrease some this afternoon but
enough of a southerly breeze should persist overnight to keep fog
from forming. MVFR ceilings should develop again with maybe some
pockets of ifr. For now tafs keep MVFR ceilings with winds
expected overnight. Tomorrow should see improvement in ceilings
after 15z going into the afternoon.

Overpeck

Prev discussion issued 1044 am cdt Tue may 21 2019
Discussion
A couple lines of weak precipitation moving into the cwfa from the
w NW this morning seem to be holding together as they move further
e with time. The initial line (outflow?) should weaken as it moves
through the area... But will have to keep an eye on the second line
as near-term models morning soundings are indicating a decent pot-
ential for strong thunderstorms this afternoon. Locations north of
i-10 should see the highest pops with much lower numbers closer to
the coast (where the cap seems to be stronger). Current grids seem
to be on track, so not planning on a lot (if any) changes with the
update. 41

Preliminary point temps pops
College station (cll) 74 91 75 92 73 10 10 10 10 10
houston (iah) 77 89 76 90 74 20 0 10 10 0
galveston (gls) 79 85 78 85 78 10 10 10 10 10

Hgx watches warnings advisories
Tx... Coastal flood warning until 6 pm cdt this evening for the
following zones: brazoria islands... Chambers... Coastal
galveston... Coastal harris... Galveston island and bolivar
peninsula.

Wind advisory until 6 pm cdt this evening for the following
zones: austin... Brazos... Burleson... Chambers... Coastal
brazoria... Coastal galveston... Coastal harris... Coastal
jackson... Coastal matagorda... Colorado... Fort
bend... Galveston island and bolivar
peninsula... Grimes... Houston... Inland brazoria... Inland
galveston... Inland harris... Inland jackson... Inland
matagorda... Madison... Matagorda
islands... Montgomery... Walker... Waller... Washington... Wharton.

Coastal flood advisory until 6 pm cdt this evening for the
following zones: coastal brazoria... Coastal
jackson... Coastal matagorda.

Coastal flood advisory from 6 pm this evening to 1 pm cdt
Thursday for the following zones: brazoria
islands... Galveston island and bolivar peninsula.

Coastal flood advisory until 1 pm cdt Thursday for the following
zones: matagorda islands.

Gm... Small craft advisory until 7 pm cdt this evening for the
following zones: galveston bay... Matagorda bay.

Small craft advisory until 4 am cdt Wednesday for the following
zones: coastal waters from freeport to matagorda ship
channel tx out 20 nm... Coastal waters from high island to
freeport tx out 20 nm... Waters from freeport to matagorda
ship channel tx from 20 to 60 nm... Waters from high island
to freeport tx from 20 to 60 nm.

Aviation... Overpeck


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NCHT2 - 8770777 - Manchester, TX 11 mi39 min S 9.9 G 20 85°F 80°F1006.1 hPa
MGPT2 - 8770613 - Morgans Point, TX 26 mi39 min S 11 G 18 83°F 80°F1007.2 hPa
EPTT2 - 8771013 - Eagle Point, TX 35 mi39 min SSW 21 G 25 82°F 80°F1006.8 hPa
GRRT2 44 mi39 min SSW 13 G 17 82°F 81°F1006.9 hPa
GTOT2 47 mi39 min S 9.9 G 14 83°F 80°F1007.6 hPa
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 48 mi39 min S 20 G 24 85°F 81°F1006.5 hPa

Wind History for Morgans Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
John Dunn Helistop, TX5 mi26 minS 13 G 227.00 miPartly Cloudy88°F71°F59%1005.8 hPa
Houston, Houston Hobby Airport, TX12 mi28 minS 16 G 2310.00 miMostly Cloudy87°F73°F63%1006.7 hPa
Houston, Sugar Land Municipal / Hull Field Airport, TX14 mi28 minS 20 G 3110.00 miMostly Cloudy and Breezy88°F75°F66%1005.7 hPa
Houston Intercontinental Airport, TX16 mi28 minS 17 G 2410.00 miMostly Cloudy88°F75°F66%1005.6 hPa
Houston / Ellington, TX18 mi91 minS 17 G 238.00 miMostly Cloudy86°F73°F66%0 hPa
Houston Southwest Airport, TX18 mi26 minSSW 9 G 1410.00 miMostly Cloudy85°F75°F73%1006.8 hPa
Houston, Pearland Regional Airport, TX20 mi28 minS 11 G 229.00 miMostly Cloudy85°F73°F68%1007.1 hPa
Houston, Hooks Memorial Airport, TX22 mi28 minS 9 G 2110.00 miMostly Cloudy86°F71°F61%1005.4 hPa
Houston Executive Airport, TX23 mi26 minSSW 18 G 276.00 miMostly Cloudy with Haze and Breezy88°F73°F62%1006.1 hPa

Wind History from MCJ (wind in knots)
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1 day agoCalmCalm644
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Tide / Current Tables for Lynchburg Landing, San Jacinto River, Texas
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Lynchburg Landing
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Tue -- 05:26 AM CDT     -0.14 feet Low Tide
Tue -- 06:24 AM CDT     Sunrise
Tue -- 08:43 AM CDT     Moonset
Tue -- 02:35 PM CDT     1.46 feet High Tide
Tue -- 08:09 PM CDT     Sunset
Tue -- 11:02 PM CDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.50.30.1-0-0.1-0.1-00.20.50.811.31.41.41.51.41.31.31.21.11.111

Tide / Current Tables for Clear Lake, Harris Co. Park, Texas
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Clear Lake
Click for Map
Tue -- 06:24 AM CDT     Sunrise
Tue -- 06:39 AM CDT     -0.35 feet Low Tide
Tue -- 08:44 AM CDT     Moonset
Tue -- 03:13 PM CDT     0.85 feet High Tide
Tue -- 08:09 PM CDT     Sunset
Tue -- 09:48 PM CDT     0.67 feet Low Tide
Tue -- 10:18 PM CDT     0.67 feet High Tide
Tue -- 11:02 PM CDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.50.30.1-0.1-0.2-0.3-0.3-0.3-0.10.10.30.60.70.80.90.80.80.80.70.70.70.70.7

Weather Map and Satellite Images
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GOES Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Wind Forecast for Houston/Galveston, TX (15,3,4,5)
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Ground Weather Radar Station Houston/Galveston, TX
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Gulf Stream Current


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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.