Thursday, July29, 2021
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Marine Weather and Tides
Danbury, TX

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:39AMSunset 8:16PM Thursday July 29, 2021 11:07 AM CDT (16:07 UTC) Moonrise 11:06PMMoonset 11:02AM Illumination 72% 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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GMZ355 Expires:202107292115;;632904 Fzus54 Khgx 290841 Cwfhgx Coastal Waters Forecast National Weather Service Houston/galveston Tx 341 Am Cdt Thu Jul 29 2021 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. Gmz350-355-292115- Coastal Waters From Freeport To Matagorda Ship Channel Tx Out 20 Nm-coastal Waters From High Island To Freeport Tx Out 20 Nm- 341 Am Cdt Thu Jul 29 2021
Today..East winds 5 to 10 knots. Seas 1 foot. A slight chance of showers and Thunderstorms.
Tonight..Southeast winds around 10 knots becoming south after midnight. Seas 1 to 2 feet. A slight chance of showers and Thunderstorms late.
Friday..South winds 5 to 10 knots. Seas 1 to 2 feet. A chance of showers and Thunderstorms.
Friday night..South winds 5 to 10 knots. Seas 1 to 2 feet.
Saturday..South winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers and Thunderstorms.
Saturday night..South winds 10 to 15 knots. Seas 2 feet.
Sunday..Southwest winds 5 to 10 knots. Seas 2 feet. A slight chance of showers and Thunderstorms.
Sunday night..South winds 10 to 15 knots. Seas 2 to 3 feet.
Monday..Southwest winds around 10 knots. Seas 2 to 3 feet. A slight chance of showers and Thunderstorms.
Monday night..Southwest winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and Thunderstorms in the evening, then a chance of showers and Thunderstorms after midnight.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 341 Am Cdt Thu Jul 29 2021
Synopsis for high island to matagorda ship channel out 60 nm.. Light onshore winds will prevail into the weekend. A weak area of low pressure will pass by to the south swinging winds from east to northeast and back to southeast today into Friday. This will lead to an increase in rain chances today. Shower and Thunderstorm activity are expected each day, peaking during the overnight and morning hours before moving inland. Expect stronger and variable winds along with locally higher seas with any strong storms.


7 Day Forecast for Marine Location Near Danbury, TX
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location: 29.16, -95.2     debug


Area Discussion for - Houston/Galveston, TX
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FXUS64 KHGX 290839 AFDHGX

Area Forecast Discussion National Weather Service Houston/Galveston TX 339 AM CDT Thu Jul 29 2021

SHORT TERM [Today Through Friday Night].

So far (as of 3 AM), it has been a warm late July night with temperatures hovering in the upper 70s to lower 80s across much of the area (Galveston is 85 degrees!). Some clouds have developed, and we are starting to see some showers and thunderstorms forming mainly in/around the Polk-Trinity-Houston County area. Our area is close to the southern fringes of upper level ridging situated to our north, and weak disturbances along these fringes in combination with daytime heating and the sea breeze front could help to generate some showers and thunder- storms across Southeast Texas today and tomorrow. However, the main weather story will continue to be the heat. With highs in the mid to upper 90s inland and in the lower 90s at the coast and dew points expected to remain in/around the mid 70s, expect to see heat index values peaking around a 103-107 range. At this time, will not issue a Heat Advisory but will continue to monitor. Again, even without a Heat Advisory, all heat safety precautions should continue to be taken. 42

LONG TERM [Saturday through Thursday].

Hot, humid and relatively dry weather continues across southeast TX this weekend. Upper level ridge elongates from the northern Rockies to the central Plains to the southeastern CONUS and dominates the region bringing strong subsidence aloft. At the surface, southwest to south winds prevail thanks to a weak high pressure system over the Gulf. While drier conditions are expected Saturday and Sunday, isolated showers and thunderstorms will be possible each day due to the interaction of seabreezes, daytime heating and a moderate surge of Gulf moisture. Most of this activity will be diurnally-driven. The main message will be the heat. Temperatures are expected to reach the mid to upper 90s at most locations and with dewpoints climbing into the mid 70s, it will feel very uncomfortable. Heat indices could potentially reach the 105-110 degrees. A Heat Advisory may be needed this weekend.

Unsettled weather returns early next week as upper level ridging retrogrades westward into the Rockies and a longwave trough develops over the eastern CONUS. This upper trough will bring a cold front southward into the southern Plains Monday into Wednesday. Deterministic guidance and most ensemble means are in general agreement that this boundary will reach southeast TX Monday night into Tuesday. Confidence in the position and/or extension of the frontal boundary as well as the moisture axis is still low. However, the GFS and ECMWF look to bring best chance for precipitation Tuesday, before stalling/dissipating over our region through late Wednesday. Have included 20-50 percent chance of precipitation starting Monday afternoon and continuing through late Wednesday.

With increasing cloud cover and precipitation chances next week, should see some relief from the heat with highs near to slightly below normal. Albeit, it is summer in TX, so temperatures will still range in the low to mid 90s. 05

AVIATION [12Z TAF Issuance].

For the 12Z TAF package, mainly VFR conditions are expected. Some SHRA/TSRA will be possible, and might need to add VCSH or VCTS. MVFR and possible IFR ceilings and/or visibilities could occur if any SHRA/TSRA activity gets close. 42

MARINE.

Light onshore winds and wave heights between 1-3 feet are expected to continue today and into the weekend. Isolated showers and thunderstorms will be possible each day. This activity will mainly develop during the day. Gusty winds and higher seas are possible with any strong storms. Rain and storm chances increase early next week as a weak cold front sags southward into the region. 05

PRELIMINARY POINT TEMPS/POPS.

College Station (CLL) 95 76 95 76 96 / 30 0 20 0 10 Houston (IAH) 96 78 95 77 98 / 30 0 40 0 30 Galveston (GLS) 91 83 91 82 92 / 30 10 30 10 30

HGX WATCHES/WARNINGS/ADVISORIES.

TX . None. GM . None.



SHORT TERM . 42 LONG TERM . 05 AVIATION . 42 MARINE . 05


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LUIT2 7 mi50 min N 8 G 8.9 85°F 87°F1017.2 hPa
FPST2 16 mi50 min NE 8 G 8.9 85°F 86°F1016.5 hPa
GRRT2 19 mi50 min NNE 11 G 12 86°F 88°F1017 hPa
GTOT2 24 mi50 min ENE 4.1 G 7 86°F 87°F1017.3 hPa
EPTT2 - 8771013 - Eagle Point, TX 27 mi50 min NNE 8.9 G 9.9 85°F 89°F1017.3 hPa
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 29 mi56 min ENE 8 G 9.9 85°F 86°F1016.5 hPa
SGNT2 35 mi50 min NE 5.1 G 7 87°F 87°F1017.2 hPa
MGPT2 - 8770613 - Morgans Point, TX 38 mi50 min N 5.1 G 7 86°F 87°F1017.8 hPa
NCHT2 - 8770777 - Manchester, TX 39 mi50 min NE 5.1 G 6 88°F 87°F1017.3 hPa
42035 - GALVESTON 22NM East of Galveston, TX 42 mi28 min NE 9.7 G 12 85°F 87°F1017.2 hPa78°F
RLOT2 - 8770971 - Rollover Pass, TX 44 mi50 min NE 6 G 8 86°F 87°F1017.2 hPa
EMAT2 49 mi50 min N 5.1 G 7 86°F 88°F1017 hPa

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, TX15 mi15 minN 510.00 miMostly Cloudy89°F75°F63%1017.5 hPa
Galveston, Scholes Field, TX19 mi16 minN 910.00 miPartly Cloudy92°F75°F58%1017.7 hPa

Link to 5 minute data for KLBX

Wind History from LBX (wind in knots)
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Last 24hrN4NE3SW6SE8SE8SE9SE7SE8SE5E4CalmS3SE3CalmCalmCalmCalmCalmN3N5N3N6N4N5
1 day agoCalmCalmCalmE45SE5SE6SE6SE3SE4CalmCalmNE9SE4CalmS3CalmN4N6N4N3CalmCalm3
2 days agoNW3NW43CalmCalmNW4S7S10S6S4SW4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmN33NW4

Tide / Current Tables for Alligator Point, West Bay, Texas
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Alligator Point
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Thu -- 04:53 AM CDT     0.25 feet Low Tide
Thu -- 06:39 AM CDT     Sunrise
Thu -- 11:59 AM CDT     0.72 feet High Tide
Thu -- 12:01 PM CDT     Moonset
Thu -- 06:24 PM CDT     0.34 feet Low Tide
Thu -- 08:14 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.50.40.30.30.30.30.30.40.50.60.70.70.70.60.50.40.40.30.30.40.40.50.6

Tide / Current Tables for San Luis Pass, Texas
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San Luis Pass
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Thu -- 01:14 AM CDT     0.33 feet Low Tide
Thu -- 06:39 AM CDT     Sunrise
Thu -- 08:15 AM CDT     1.44 feet High Tide
Thu -- 12:01 PM CDT     Moonset
Thu -- 02:46 PM CDT     0.53 feet Low Tide
Thu -- 08:13 PM CDT     Sunset
Thu -- 08:50 PM CDT     1.17 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.30.40.50.70.91.11.31.41.41.210.80.60.60.50.60.70.911.11.21.11

Weather Map
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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