Thursday, July2, 2020
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Marine Weather and Tides
Quintana, 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 6:25AMSunset 8:25PM Thursday July 2, 2020 5:33 PM CDT (22:33 UTC) Moonrise 5:11PMMoonset 3:06AM Illumination 92% Phase: Waxing Gibbous; Moon at 12 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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GMZ355 Expires:202007030915;;215374 Fzus54 Khgx 022100 Cwfhgx Coastal Waters Forecast National Weather Service Houston/galveston Tx 400 Pm Cdt Thu Jul 2 2020 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. Gmz350-355-030915- Coastal Waters From Freeport To Matagorda Ship Channel Tx Out 20 Nm-coastal Waters From High Island To Freeport Tx Out 20 Nm- 400 Pm Cdt Thu Jul 2 2020
Tonight..South winds 10 to 15 knots. Seas 2 to 3 feet.
Friday..Southwest winds 5 to 10 knots. Seas 2 feet.
Friday night..Southwest winds 10 to 15 knots. Seas 2 feet.
Saturday..Southwest winds 10 to 15 knots. Seas 2 feet.
Saturday night..Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Sunday..Southwest winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and Thunderstorms in the afternoon.
Sunday night..South winds around 15 knots. Seas 2 to 3 feet. A slight chance of showers and Thunderstorms after midnight.
Monday..South winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and Thunderstorms.
Monday night..South winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and Thunderstorms after midnight.
Tuesday..South winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and Thunderstorms in the morning, then a slight chance of showers and Thunderstorms in the afternoon.
Tuesday night..South winds 10 to 15 knots. Seas 2 to 4 feet.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 400 Pm Cdt Thu Jul 2 2020
Synopsis for high island to matagorda ship channel out 60 nm.. Lighter winds and calmer seas expected through the upcoming week with slightly stronger winds occuring during the nighttime hours. Chance of showers and Thunderstorms expected this upcoming weekend.


7 Day Forecast for Marine Location Near Quintana, TX
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location: 28.95, -95.31     debug


Area Discussion for - Houston/Galveston, TX
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FXUS64 KHGX 022059 AFDHGX

Area Forecast Discussion National Weather Service Houston/Galveston TX 359 PM CDT Thu Jul 2 2020

SHORT TERM [Rest of Today through Friday].

Hot and hazy conditions will prevail through the rest of today as upper level ridging continues to dominate the local weather pattern and Saharan dust intrusion (SAL) continues in place. As of 2 PM CDT, temperatures were in the mid 90s across Southeast TX, except in the immediate coastline where temperatures were in the low 90s. Because moisture levels decreased today to around 1.5 inches, heat indices are relatively close (maybe a degree or two higher) compared to yesterday's even with winds decreasing. Variably to cloudy skies anticipated tonight with lows ranging between the mid to upper 70s.

Winds will turn more southwesterly to westerly Friday as surface high pressure over the Central Gulf shifts a little further into the Northwestern Gulf. PWs will ebb a little more as a drier air mass filters into SE Texas from the west. With the upper level ridge still over our local area, mostly dry conditions can be expected. Now, there is a slight chance of rain for the northeastern counties Friday afternoon. An upper level trough in the Southeast CONUS is forecast to retrograde into LA. If it makes it far enough west, it may be able to support the livelihood or development of storms moving along our NE portions from the east and northeast. The latest Hi-Res model run continue to show this development and may possibly continue into the night hours. Moreover, models do show moisture convergence developing along our eastern border into western LA Friday afternoon and evening. This may be enough to trigger some showers and possibly thunderstorms despite the proximity of the surface high and upper level ridge. Thus, kept low PoPs along these sections of the CWA.

HEAT: As we get into the long holiday weekend, temperatures will be in the mid to upper 90s (HOT) and heat indices will range in the mid to upper 100s, possibly briefly reaching Advisory criteria (108-109 deg F) on occasion. Take the necessary precautions if you plan to work or spend long periods of time in the outdoors or in areas of poor ventilation. Make sure you practice HEAT SAFETY.

For more information on how you can protect yourself, loved ones, and pets from the heat, visit: www.weather.gov/safety/heat

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LONG TERM [Friday Night through Thursday].

A few models are carrying some storms southward across our northern and eastern counties Friday evening, and if this trend continues we might need to carry some of Friday afternoon's rain chances into the early evening hours on future updates. Otherwise, still looking for gradually increasing rain chances over the weekend and on into the start of next week (higher during the day and lower at night) as ridging retreats westward and troughing positions itself in/around the central Gulf states area. Will continue to indicate higher chances across our eastern counties (closer to the trough and where precipitable water values around two inches are possible) and lower chances across our western counties (closer to the ridge and its associated subsidence/capping). Toward the end of next week, surface high pressure and ridging aloft begin to build back into our area resulting in lowering rain chances and increasing temperatures.

As for the temperatures, highs will generally in the mid to upper 90s over the weekend and in the low to mid 90s during the first half of next week, and lows will range from the 70s well inland to the lower 80s at the beaches. 42

MARINE.

Onshore flow has decreased and winds/seas are now below SCEC criteria. However, high rip current risk continues through this evening. Light onshore flow and seas of 3 feet or less are expected through the upcoming holiday weekend. For next week, diurnal pattern may result in winds reaching SCEC criteria during the nighttime hours. Chance for showers and thunderstorms expected this upcoming weekend.

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PREV DISCUSSION. /ISSUED 1238 PM CDT Thu Jul 2 2020/

AVIATION .

VFR conditions expected across the CWA through early tonight with MVFR to possibly IFR cigs redeveloping overnight through Friday morning. HZ may limit visibilities to around 6SM today in some TAF sites. S-SW winds at 5-10 KTS today becoming light and VRB overnight. Cigs will lift and scatter out Friday morning and winds will increase to 5-10 KTS. 24

PRELIMINARY POINT TEMPS/POPS. College Station (CLL) 74 97 74 98 75 / 0 10 0 0 10 Houston (IAH) 75 96 75 98 77 / 0 10 10 10 10 Galveston (GLS) 79 92 81 91 81 / 10 0 0 10 10

HGX WATCHES/WARNINGS/ADVISORIES. TX . High Rip Current Risk until 7 PM CDT this evening for the following zones: Brazoria Islands . Galveston Island and Bolivar Peninsula . Matagorda Islands.

GM . NONE.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FPST2 1 mi46 min SSE 11 G 13 85°F 90°F1013.3 hPa
LUIT2 13 mi46 min S 9.9 G 14 87°F 88°F1015.5 hPa
SGNT2 20 mi46 min S 8 G 9.9 86°F 90°F1014.3 hPa
42043 - GA-252 TABS B 22 mi94 min S 5.8 G 5.8 85°F1015.1 hPa (-1.5)
GRRT2 33 mi46 min SSW 8.9 G 12 86°F 90°F1013.6 hPa
EMAT2 36 mi46 min SSE 8 G 11 86°F 88°F1014 hPa
GTOT2 37 mi46 min S 7 G 12 87°F 86°F1014 hPa
EPTT2 - 8771013 - Eagle Point, TX 42 mi46 min SSW 11 G 13 89°F 87°F1013.6 hPa
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 42 mi52 min S 11 G 12 87°F 87°F1013.3 hPa
KBQX 47 mi19 min

Wind History for USCG Freeport, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Angleton / Lake Jackson, Brazoria County Airport, TX14 mi41 minS 88.00 miMostly Cloudy91°F77°F64%1014.1 hPa

Link to 5 minute data for KLBX

Wind History from LBX (wind in knots)
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1 day agoS11S14S8S9S9S9S11S14S10S11S11S10S9S7S10S12S15S15S15S13S17
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Tide / Current Tables for Freeport Harbor, Texas
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Freeport Harbor
Click for Map
Thu -- 03:44 AM CDT     1.65 feet High Tide
Thu -- 04:05 AM CDT     Moonset
Thu -- 06:26 AM CDT     Sunrise
Thu -- 06:11 PM CDT     Moonrise
Thu -- 08:02 PM CDT     -1.05 feet Low Tide
Thu -- 08:23 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.61.11.41.61.61.61.51.41.41.41.41.41.31.31.10.70.3-0.2-0.7-0.9-1.1-1-0.7-0.3

Tide / Current Tables for Christmas Bay, Texas
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


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 (18,4,5,8)
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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.