Thursday, May23, 2019 L-36.com


Marine Weather and Tides
The Woodlands, 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 6:22AMSunset 8:14PM Thursday May 23, 2019 2:19 AM CDT (07:19 UTC) Moonrise 11:41PMMoonset 9:30AM Illumination 82% Phase: Waning Gibbous; Moon at 19 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- 1017 Pm Cdt Wed May 22 2019
.small craft advisory in effect until 7 am cdt Thursday...
Rest of tonight..Southeast winds 20 to 25 knots. Bay waters rough.
Thursday..Southeast winds 15 to 20 knots. Bay waters choppy.
Thursday night..Southeast winds 10 to 15 knots. Bay waters slightly 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.
Sunday..Southeast winds around 10 knots. Bay waters smooth to slightly choppy.
Sunday night..Southeast winds 10 to 15 knots. Bay waters slightly choppy.
Monday..South winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and Thunderstorms.
Monday 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 1017 Pm Cdt Wed May 22 2019
Synopsis for high island to matagorda ship channel out 60 nm.. Moderate to occasionally strong onshore winds and elevated seas will persist for the next couple of days. Wind speeds and seas should generally diminish Saturday with more typical summer wind patterns with higher winds offshore at night that relax during the day. The pressure gradient will tighten back up again early next week with a corresponding increase of winds and seas.


7 Day Forecast for Marine Location Near The Woodlands, TX
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location: 30.11, -95.52     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 230434
afdhgx
area forecast discussion
national weather service houston galveston tx
1134 pm cdt Wed may 22 2019

Aviation
Sticking close to a persistence forecast through the TAF period.

MVFR ceilings continue across SE tx terminals this evening and
will hold through early morning. Moderate southeasterly winds
continue and will increase in speed again by early morning,
helping to mix out MVFR ceilings across most TAF sites. Drier
conditions should work in over the region by tomorrow morning,
besides a tongue of moisture anticipated to pool over our
southwestern zones, potentially impacting sgr and lbx. Some of the
short term guidance such as the SREF and arw are developing some
showers over this region in the early afternoon hours, but kept
all TAF sites dry through the period for now.VFR ceilings look
likely for the northern and metro terminals by mid morning, with
the coastal terminals potentially holding on to high MVFR decks
through the afternoon. These sites may too scatter out by the mid
afternoon hours. With the pressure gradient remaining rather tight
over the region, expect gusty conditions to continue into
tomorrow evening. MVFR ceilings look to return once again by the
early evening hours across SE tx.

Hathaway

Prev discussion issued 850 pm cdt Wed may 22 2019
discussion...

at 7 pm, low pressure was located over SW tx. The pressure
gradient across the state remains tight and winds will remain
breezy tonight. Low level moisture will continue to stream into
the area beneath a capping inversion. Low temperatures will not
cool much overnight and bumped temps up a degree or so in places.

Houston may once again endure a minimum temperature near 80
degrees. A weak upper level disturbance will undercut the upper
level ridge centered over the SE us and this feature could trigger
a few showers late tonight near matagorda bay. If any showers
develop, they'd likely move north across the western half of the
cwa. 43

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

Hgx watches warnings advisories
Tx... Coastal flood advisory until 5 pm cdt Thursday for the following
zones: brazoria islands... Galveston island and bolivar
peninsula... Matagorda islands.

Gm... Small craft advisory until 7 am cdt Friday 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... Matagorda bay... 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.

Small craft advisory until 7 am cdt Thursday for the following
zones: galveston bay.

Discussion... 43
aviation marine... 08


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NCHT2 - 8770777 - Manchester, TX 30 mi38 min SSE 8 G 18 80°F 81°F1013.3 hPa
MGPT2 - 8770613 - Morgans Point, TX 41 mi38 min SE 9.9 G 19 80°F 81°F1014.2 hPa
EPTT2 - 8771013 - Eagle Point, TX 54 mi38 min S 22 G 25 80°F 81°F1013.4 hPa
RLOT2 - 8770971 - Rollover Pass, TX 67 mi38 min S 19 G 25 80°F 81°F1014.4 hPa

Wind History for Morgans Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston, Hooks Memorial Airport, TX3 mi27 minSSE 8 G 1910.00 miOvercast80°F72°F76%1013.3 hPa
Houston Intercontinental Airport, TX13 mi27 minSSE 1810.00 miOvercast and Breezy81°F75°F82%1013.7 hPa
Conroe, Montgomery County Airport, TX18 mi27 minSSE 1310.00 miOvercast79°F73°F82%1013.5 hPa

Wind History from DWH (wind in knots)
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Tide / Current Tables for Lynchburg Landing, San Jacinto River, Texas
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Lynchburg Landing
Click for Map
Thu -- 06:23 AM CDT     Sunrise
Thu -- 06:41 AM CDT     0.00 feet Low Tide
Thu -- 10:29 AM CDT     Moonset
Thu -- 04:08 PM CDT     1.35 feet High Tide
Thu -- 08:11 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.90.80.60.40.20.1000.10.20.40.70.91.11.21.31.31.31.31.21.21.11.11

Tide / Current Tables for Clear Lake, Harris Co. Park, Texas
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Clear Lake
Click for Map
Thu -- 06:23 AM CDT     Sunrise
Thu -- 08:11 AM CDT     -0.21 feet Low Tide
Thu -- 10:29 AM CDT     Moonset
Thu -- 05:23 PM CDT     0.78 feet High Tide
Thu -- 08:10 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.60.50.40.20-0.1-0.2-0.2-0.2-0.100.20.40.60.70.80.80.80.80.70.70.70.6

Weather Map and Satellite Images
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wmap_A
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 (3,6,7,8)
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Ground Weather Radar Station Houston/Galveston, TX
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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.