Thursday, July29, 2021
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Marine Weather and Tides
Anahuac, 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 6:36AMSunset 8:16PM Thursday July 29, 2021 10:25 AM CDT (15:25 UTC) Moonrise 11:03PMMoonset 11:00AM Illumination 73% 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- 341 Am Cdt Thu Jul 29 2021
Today..East winds 5 to 10 knots becoming southeast in the afternoon. Bay waters smooth. A slight chance of showers and Thunderstorms in the morning. A chance of showers and Thunderstorms in the afternoon.
Tonight..Southeast winds 5 to 10 knots. Bay waters smooth.
Friday..Southeast winds 5 to 10 knots. Bay waters smooth. A slight chance of showers and Thunderstorms in the morning, then a chance of showers and Thunderstorms in the afternoon.
Friday night..South winds 5 to 10 knots becoming southwest after midnight. Bay waters smooth.
Saturday..Southwest winds around 5 knots becoming south in the afternoon. Bay waters smooth. A slight chance of showers and Thunderstorms in the morning, then a chance of showers and Thunderstorms in the afternoon.
Saturday night..Southwest winds 5 to 10 knots. Bay waters smooth.
Sunday..Southwest winds 5 to 10 knots becoming south in the afternoon. Bay waters smooth. A slight chance of showers and Thunderstorms in the afternoon.
Sunday night..Southwest winds around 10 knots. Bay waters smooth to slightly choppy.
Monday..Southwest winds 5 to 10 knots. Bay waters smooth. A slight chance of showers and Thunderstorms.
Monday night..Southwest winds 5 to 10 knots. Bay waters smooth. 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 Anahuac, TX
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location: 29.73, -94.7     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
MGPT2 - 8770613 - Morgans Point, TX 15 mi55 min N 5.1 G 8 85°F 87°F1017.8 hPa
RLOT2 - 8770971 - Rollover Pass, TX 18 mi55 min NE 5.1 G 6 85°F 87°F1017.3 hPa
HIST2 19 mi55 min NNE 5.1 G 7 85°F 88°F1017.5 hPa
EPTT2 - 8771013 - Eagle Point, TX 21 mi55 min NNE 6 G 8.9 85°F 88°F1017.3 hPa
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 26 mi55 min ENE 6 G 7 85°F 86°F1016.5 hPa
GTOT2 29 mi55 min NE 5.1 G 7 85°F 87°F1017.3 hPa
NCHT2 - 8770777 - Manchester, TX 30 mi55 min NNE 4.1 G 7 87°F 86°F1017.4 hPa
GRRT2 31 mi55 min NNE 8 G 8.9 86°F 88°F1017 hPa
SRST2 - Sabine Pass, TX 35 mi145 min N 2.9 G 4.1 81°F 1017.3 hPa (+2.0)81°F
42035 - GALVESTON 22NM East of Galveston, TX 38 mi45 min NNE 7.8 G 12 85°F 87°F1017.1 hPa78°F
PORT2 - 8770475 - Port Arthur, TX 42 mi55 min N 5.1 G 7 86°F 86°F1017.9 hPa
TXPT2 46 mi55 min NE 5.1 G 7 85°F 87°F1016.9 hPa

Wind History for Morgans Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston / Ellington, TX26 mi35 minN 610.00 miPartly Cloudy88°F75°F66%1017.6 hPa

Link to 5 minute data for KEFD

Wind History from EFD (wind in knots)
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Last 24hrW4E3NE6--E5
G12
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NE5NE5SE5E5CalmS5S5S5S5S4S4CalmCalmCalmCalmCalmN5N6
1 day agoS5NW5CalmS7SE6S12SW6
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SW7S9--S7NE21
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NE15E4S4SE3CalmN5N4CalmCalmCalmCalmNW4
2 days agoW7SW3W4W4CalmE5SE4SE7S8S11S6S6SW5SW5--SW5------SW5W3W6W7S3

Tide / Current Tables for Point Barrow, Trinity Bay, Texas
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Point Barrow
Click for Map
Thu -- 02:00 AM CDT     0.78 feet High Tide
Thu -- 06:37 AM CDT     Sunrise
Thu -- 07:03 AM CDT     0.31 feet Low Tide
Thu -- 12:00 PM CDT     Moonset
Thu -- 03:08 PM CDT     0.89 feet High Tide
Thu -- 08:13 PM CDT     Sunset
Thu -- 08:34 PM CDT     0.42 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.80.80.70.60.50.40.30.30.40.50.60.70.80.90.90.90.70.60.50.40.40.40.5

Tide / Current Tables for Gilchrist, East Bay, Texas
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Gilchrist
Click for Map
Thu -- 06:36 AM CDT     Sunrise
Thu -- 06:38 AM CDT     0.34 feet Low Tide
Thu -- 11:59 AM CDT     Moonset
Thu -- 12:36 PM CDT     0.97 feet High Tide
Thu -- 08:09 PM CDT     0.45 feet Low Tide
Thu -- 08:12 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.80.70.60.50.40.30.30.40.50.70.8110.90.80.70.60.50.50.50.50.50.7

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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