Tuesday, August21, 2018 L-36.com


Marine Weather and Tides
Shoreacres, TX

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Sunrise 6:50AMSunset 7:55PM Tuesday August 21, 2018 7:20 AM CDT (12:20 UTC) Moonrise 3:48PMMoonset 1:40AM Illumination 76% Phase: Waxing Gibbous; Moon at 10 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- 429 Am Cdt Tue Aug 21 2018
Today..West winds 5 to 10 knots becoming southwest in the afternoon. Bay waters smooth. Isolated showers and Thunderstorms in the afternoon.
Tonight..Southwest winds 5 to 10 knots becoming west after midnight. Bay waters smooth. Isolated Thunderstorms in the evening. Isolated showers.
Wednesday..Northwest winds 5 to 10 knots becoming east in the afternoon. Bay waters smooth. Isolated showers and Thunderstorms.
Wednesday night..South winds 5 to 10 knots becoming west after midnight. Bay waters smooth.
Thursday..Northeast winds around 5 knots becoming southeast in the afternoon. Bay waters smooth.
Thursday night..South winds 5 to 10 knots. Bay waters smooth.
Friday..Southeast winds 5 to 10 knots. Bay waters smooth.
Friday night..South winds 5 to 10 knots. Bay waters smooth. A slight chance of showers and Thunderstorms after midnight.
Saturday..Southeast winds 5 to 10 knots. Bay waters smooth. A slight chance of showers and Thunderstorms.
Saturday night..Southeast winds 5 to 10 knots. Bay waters smooth. A slight chance of showers and Thunderstorms.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 429 Am Cdt Tue Aug 21 2018
Synopsis for high island to matagorda ship channel out 60 nm.. Winds will continue to weaken tonight as the pressure gradient relaxes. A frontal boundary is expected to push into southeastern texas today and into the nearshore waters Wednesday. This will allow for light onshore winds and the development of showers and Thunderstorms. Widespread light southerly flow resumes Thursday and increases Saturday night.


7 Day Forecast for Marine Location Near Shoreacres, TX
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location: 29.64, -94.99     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 211020
afdhgx
area forecast discussion
national weather service houston galveston tx
520 am cdt Tue aug 21 2018

Discussion
The weak cold front draped across the far northern counties of se
tx is expected to vacillate over the CWA today tonight... And then
act as a focus for scattered mainly daytime activity. Have incre-
ased pops a bit for the near-term in response. Given the expected
development (and the associated clouds), we could escape the heat
advisory for this afternoon early evening (that has been a bit of
a fixture of previous days).

This front should finally push through the area this evening into
the overnight hours as its associated upper low trof tracks furh-
er to the ne. In its wake, very broad upper ridging aloft will be
building in from the west... Then eventually expanding east to en-
compass the southern plains into the SE u.S. For the remainder of
the week. Warmer temperatures and low nil pops to prevail.

Rain chances will return by the weekend as the upper ridge begins
to drift further E and NE with time. This should allow for the re-
turn of slightly deeper moisture from the gulf... And with daytime
heating seabreeze, isolated to widely scattered activity could de-
velop (mainly coastal southern half of SE tx) starting sat. 41

Marine
A weak cold front should move into setx today sagging southward
through the afternoon reinforced by thunderstorms and outflow. This
should end the southerly flow with a windshift to the north late
tonight early Wednesday across the bays and nearshore waters. At
this time it appears that front should move through the offshore
coastal waters Thursday then washout and lift back north. Winds
across the utcw should be light this afternoon through Saturday
morning. Southerly flow strengthens Saturday night and then a more
diurnal pattern returns to the area with slightly stronger winds
overnight and lighter during the day.

45

Aviation
Patchy MVFR CIGS should continue to develop generally along and
north of a 66r-iah-6r3 line this morning. Quick warm up this morning
should help to scramble the lower deck and raise the ceilings by mid
morning. Around 90-91 degrees expect shra tsra to develop 16-17z in
proximity to the southward sagging frontal boundary. By mid to late
afternoon storms spreading southward with gusty winds should collide
with seabreeze and storms on the seabreeze this is probably going to
occur across the metro area leading to impacts at sgr dwh iah hou.

Vcts currently in tafs there and expect to change to tempo
conditions. Overnight tonight storms ending with light winds. Patchy
MVFR ceilings possible across the main hubs.

45

Preliminary point temps pops
College station (cll) 98 75 101 75 101 40 20 10 10 10
houston (iah) 97 77 100 77 99 40 20 10 10 10
galveston (gls) 93 81 94 81 92 20 20 20 10 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 3 mi38 min W 5.1 G 7 81°F 86°F1017.5 hPa
EPTT2 - 8771013 - Eagle Point, TX 12 mi38 min WNW 1.9 G 4.1 80°F 86°F1017.7 hPa
NCHT2 - 8770777 - Manchester, TX 16 mi38 min W 5.1 G 6 81°F 88°F1016.8 hPa
GRRT2 24 mi38 min SW 12 G 15 84°F 85°F1017.4 hPa
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 24 mi38 min WSW 12 G 13 84°F 86°F1016.9 hPa
GTOT2 25 mi38 min SW 5.1 G 8.9 84°F 91°F1017.2 hPa
RLOT2 - 8770971 - Rollover Pass, TX 27 mi38 min W 5.1 G 8.9 83°F 84°F1017.7 hPa
HIST2 32 mi38 min WNW 2.9 G 4.1 83°F 86°F1018.1 hPa
LUIT2 40 mi32 min SW 7 G 11 84°F 1017.4 hPa
KXIH 40 mi25 min WSW 14 84°F 77°F
42035 - GALVESTON 22NM East of Galveston, TX 42 mi30 min SW 14 G 18 85°F 86°F3 ft1017.9 hPa81°F
42043 - GA-252 TABS B 46 mi140 min 14 G 16 84°F 86°F1016.3 hPa (-0.3)

Wind History for Morgans Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston / Ellington, TX10 mi30 minWSW 510.00 miMostly Cloudy79°F78°F100%1018.3 hPa
Houston, Houston Hobby Airport, TX15 mi27 minWSW 410.00 miPartly Cloudy80°F79°F97%1018 hPa
Houston, Pearland Regional Airport, TX16 mi27 minN 010.00 miFair78°F78°F100%1018.1 hPa
John Dunn Helistop, TX22 mi25 minVar 310.00 miA Few Clouds81°F77°F89%1017.6 hPa

Wind History from EFD (wind in knots)
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Last 24hrS4SW6SW10SW10SW10S7W7S6CalmE6SE5S7S8S8S8S6S5--S5--SW5SW4W5W5
1 day agoS5--SW10------S10S9SW12S12S14S13S12S10S9--S3S4S4CalmS4S3S4S4
2 days agoCalmSW6W6W8S4SW6S6SW8SE11S10S13S8S9S7S8S6S4S6S5--S5----S3

Tide / Current Tables for Barbours Cut, Morgans Point, Galveston Bay, Texas
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Barbours Cut
Click for Map
Tue -- 02:39 AM CDT     Moonset
Tue -- 06:51 AM CDT     Sunrise
Tue -- 08:48 AM CDT     1.48 feet High Tide
Tue -- 04:47 PM CDT     Moonrise
Tue -- 07:54 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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00.10.30.50.811.21.41.51.51.41.41.31.21.21.11.110.90.80.60.40.20.1

Tide / Current Tables for Bolivar Roads, Texas Current
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Bolivar Roads
Click for Map
Tue -- 02:36 AM CDT     1.75 knots Max Flood
Tue -- 02:39 AM CDT     Moonset
Tue -- 06:50 AM CDT     Sunrise
Tue -- 08:51 AM CDT     -0.00 knots Slack
Tue -- 11:47 AM CDT     -0.63 knots Max Ebb
Tue -- 01:06 PM CDT     -0.61 knots Min Ebb
Tue -- 04:45 PM CDT     Moonrise
Tue -- 07:12 PM CDT     -1.72 knots Max Ebb
Tue -- 07:53 PM CDT     Sunset
Tue -- 11:40 PM CDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.91.41.71.71.51.20.90.60.3-0.1-0.4-0.6-0.6-0.6-0.6-0.8-1-1.4-1.6-1.7-1.7-1.5-1.1-0.5

Weather Map and Satellite Images
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wmap_A
GOES Local Image of SouthCentralPlains    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.
target = "new">Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
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.