Saturday, July11, 2020
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Marine Weather and Tides
Shoreacres, TX

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:26AMSunset 8:24PM Saturday July 11, 2020 12:49 AM CDT (05:49 UTC) Moonrise 11:51PMMoonset 11:25AM Illumination 68% Phase: Waning Gibbous; Moon at 20 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- 1020 Pm Cdt Fri Jul 10 2020
Rest of tonight..Southwest winds 10 to 15 knots. Bay waters slightly choppy.
Saturday..West winds around 5 knots becoming south in the afternoon. Bay waters smooth.
Saturday night..South winds around 10 knots becoming southwest after midnight. Bay waters smooth to slightly choppy becoming smooth after midnight.
Sunday..Southwest winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Bay waters smooth becoming slightly choppy in the afternoon.
Sunday night..Southwest winds 10 to 15 knots. Bay waters slightly choppy.
Monday..Southwest winds 5 to 10 knots becoming south 10 to 15 knots in the afternoon. Bay waters smooth becoming slightly choppy in the afternoon.
Monday night..Southwest winds 10 to 15 knots. Bay waters slightly choppy.
Tuesday..South winds 10 to 15 knots. Bay waters slightly choppy.
Tuesday night..South winds 10 to 15 knots. Bay waters slightly choppy.
Wednesday..South winds 10 to 15 knots. Bay waters slightly choppy.
Wednesday night..South 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 1020 Pm Cdt Fri Jul 10 2020
Synopsis for high island to matagorda ship channel out 60 nm.. A light to moderate southerly flow will become more southwesterly over the weekend. Wind speeds will typically be highest offshore at night and in the bays in the afternoons.


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 110442 AFDHGX

Area Forecast Discussion National Weather Service Houston/Galveston TX 1142 PM CDT Fri Jul 10 2020

AVIATION. MVFR cigs are beginning to develop near the middle TX coast and satellite imagery shows this area slowly expanding and moving north. These clouds should begin to impact area TAF sites around 08-09z and affect areas mainly west of I45. Will advertise a brief window of MVFR ceilings late tonight into early Saturday. A brief mix of MVFR/IFR cigs possible toward KUTS/KCLL a NAM soundings and GFS1hr data suggesting cigs below 1000 feet. Fcst soundings show quite a bit of dry air in area soundings on Saturday and strong summer sun should create enough mixing for clouds to scatter out early leaving generally clear skies for the afternoon and evening. Sfc winds will veer to the southwest and even with strong differential heating, not expecting much of a sea breeze on Saturday. 43

PREV DISCUSSION . /ISSUED 349 PM CDT Fri Jul 10 2020/

SHORT TERM [Through Sunday Night] . Strong upper level ridging, generally centered over New Mexico, will dominate area weather and bring continued hot and dry conditions. Lower level flow will become more southwesterly this weekend and H85 temps will climb to 22-25C and surface temps to near or above triple digits for many inland locations. It's actually a pattern in which dewpoints could mix out enough each day that keep heat index below the traditional criteria for Heat Advisories. However, due to the expected duration of the higher ambient temps and broad geographic scale, in coordination with surrounding offices have issued another one for Saturday. Areas south of I-10 and east of I-45 should see the most humid of the conditions overall. Sunday isn't looking much different, but will let later shifts make the decision on extending the advisory. 47

LONG TERM [Monday Through Friday] . More of the same thru early parts of the week. Mid level ridge gradually expands eastward but, locally, slightly weakens/flattens and becomes displaced slightly to our north during the second half of next week as an inverted trof passes under it across the Gulf. This should be enough to knock of few degrees of the highs, but at the same time bring increasing humidities with a more southerly llvl flow returning. Can't totally rule out an iso shower by this time next week, but it's not worth the mention at this point. 47

MARINE . No significant forecast concerns. Light to moderate southerly flow will become more swly this weekend. Winds typically highest offshore (~15kt) at night and in the bays in the afternoons. Seas should remain at or below 4 feet thru the period. 47

HYDROLOGY . Lake Livingstone will be releasing water this weekend, so will be monitoring the Navasota River levels at Normangee. 47

PRELIMINARY POINT TEMPS/POPS. College Station (CLL) 77 100 78 103 77 / 0 0 0 0 0 Houston (IAH) 79 100 80 101 80 / 0 0 0 0 0 Galveston (GLS) 82 93 83 95 83 / 0 0 0 0 0

HGX WATCHES/WARNINGS/ADVISORIES. TX . Heat Advisory from 11 AM to 7 PM CDT Saturday for the following zones: Austin . Brazoria Islands . 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 . Northern Liberty . Polk . San Jacinto . Southern Liberty . Trinity . Walker . Waller . Washington . Wharton.

GM . NONE.

Discussion . 43 Aviation/Marine . 43


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MGPT2 - 8770613 - Morgans Point, TX 3 mi50 min SW 6 G 9.9 84°F 88°F1015.3 hPa (-0.5)
EPTT2 - 8771013 - Eagle Point, TX 12 mi50 min SSW 8.9 G 12 84°F 89°F1015.1 hPa (-0.5)
NCHT2 - 8770777 - Manchester, TX 16 mi50 min SSW 5.1 G 8 83°F 87°F1014.9 hPa (-0.6)
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 24 mi50 min SSW 11 G 13 87°F 86°F1014.6 hPa (+0.0)
GRRT2 24 mi50 min SW 8.9 G 12 84°F 90°F1015.1 hPa (+0.0)
GTOT2 25 mi50 min SW 7 G 12 84°F 85°F1015.4 hPa (+0.0)
RLOT2 - 8770971 - Rollover Pass, TX 27 mi50 min SSW 5.1 G 9.9 87°F1015.7 hPa (-0.3)
HIST2 32 mi50 min SSW 7 G 9.9 83°F 89°F1015.1 hPa (-0.5)
LUIT2 40 mi50 min SSW 8 G 9.9 84°F 87°F1016.9 hPa (+0.0)
42035 - GALVESTON 22NM East of Galveston, TX 42 mi130 min SSW 9.7 G 12 85°F 85°F1015.6 hPa82°F
42043 - GA-252 TABS B 46 mi110 min S 7.8 G 9.7 85°F1015.9 hPa

Wind History for Morgans Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston / Ellington, TX10 mi60 minS 1010.00 miA Few Clouds82°F78°F89%1015.6 hPa
Houston, Houston Hobby Airport, TX15 mi57 minSSW 710.00 miA Few Clouds83°F78°F85%1015.7 hPa
Houston, Pearland Regional Airport, TX16 mi57 minSSW 49.00 miFair83°F77°F82%1015.8 hPa
John Dunn Helistop, TX22 mi55 minSSW 9 G 169.00 mi82°F77°F84%1015.2 hPa

Link to 5 minute data for KEFD

Wind History from EFD (wind in knots)
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Last 24hrS5S5S6SE4S4CalmCalmS4S7S7S7S5S4S7S5
G10
S8S11----S13S10S10S10S10
1 day agoS5S5S6S4S3S5S5S6S11S14S9--S14--SE11
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2 days agoS6S7S8S8S7S7CalmS5S8SW8S8S8S8S8S13
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Tide / Current Tables for Barbours Cut, Morgans Point, Galveston Bay, Texas
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Bolivar Roads, Texas Current
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Bolivar Roads
Click for Map
Sat -- 12:20 AM CDT     Moonrise
Sat -- 03:05 AM CDT     -0.85 knots Max Ebb
Sat -- 06:27 AM CDT     Sunrise
Sat -- 06:35 AM CDT     0.00 knots Slack
Sat -- 10:25 AM CDT     1.26 knots Max Flood
Sat -- 12:23 PM CDT     Moonset
Sat -- 02:18 PM CDT     -0.00 knots Slack
Sat -- 06:10 PM CDT     -1.18 knots Max Ebb
Sat -- 08:21 PM CDT     Sunset
Sat -- 11:01 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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-0.5-0.7-0.8-0.9-0.8-0.6-0.30.20.71.11.21.210.60.2-0.3-0.8-1.1-1.2-1.1-0.9-0.5-0.2-0

Weather Map
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wmap_A
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Houston/Galveston, TX (1,6,7,8)
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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 numerous 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.