Saturday, September18, 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 7:05AMSunset 7:22PM Saturday September 18, 2021 9:09 AM CDT (14:09 UTC) Moonrise 5:26PMMoonset 3:37AM Illumination 91% 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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GMZ335 Galveston Bay- 447 Am Cdt Sat Sep 18 2021
Today..Northwest winds around 5 knots becoming northeast in the afternoon. Bay waters smooth. A slight chance of showers in the morning, then a chance of showers and isolated Thunderstorms in the afternoon.
Tonight..South winds 5 to 10 knots becoming around 5 knots after midnight. Bay waters smooth. A slight chance of showers until early morning, then a chance of showers late.
Sunday..West winds around 5 knots becoming south in the afternoon. Bay waters smooth. A chance of showers and isolated Thunderstorms.
Sunday night..South winds 5 to 10 knots becoming southwest after midnight. Bay waters smooth.
Monday..South winds 5 to 10 knots. Bay waters smooth. A slight chance of showers and Thunderstorms.
Monday night..South winds 10 to 15 knots. Bay waters slightly choppy.
Tuesday..South winds 5 to 10 knots. Bay waters smooth. A chance of showers and Thunderstorms.
Tuesday night..Southwest winds 5 to 10 knots becoming north 10 to 15 knots after midnight. Bay waters smooth becoming slightly choppy after midnight. A chance of showers and Thunderstorms in the evening, then showers and Thunderstorms likely after midnight.
Wednesday..North winds 15 to 20 knots decreasing to 10 to 15 knots in the afternoon. Bay waters choppy becoming slightly choppy in the afternoon.
Wednesday night..Northeast 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 447 Am Cdt Sat Sep 18 2021
Synopsis for high island to matagorda ship channel out 60 nm.. Light winds and low seas are anticipated the next couple days. A more prevalent southerly flow should set up Sunday into Monday in advance of a cold front that is forecast to push off the coast late Tuesday night. With cooler air moving across warmer waters, expect moderate north and northeast winds in its wake.


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 181146 AFDHGX

Area Forecast Discussion National Weather Service Houston/Galveston TX 646 AM CDT Sat Sep 18 2021

AVIATION [12Z TAF Issuance].

Patchy fog will dissipate shortly after sunrise this morning. Afternoon showers and thunderstorms possible, but confidence is low on exact location of these showers. Therefore, VCSH/VCTS for now, but expect short fused TEMPOs should any of this activity impact an airport. Coastal showers possible overnight and early tomorrow morning, but very isolated so did not include VCSH for now. Patchy fog possible again overnight tonight. KBL

PREV DISCUSSION /Issued 445 AM CDT Sat Sep 18 2021/.

SHORT TERM [Today Through Sunday Night].

With PWs climbing to 1.7 to 1.8 today and a mid level low overhead acting as a forcing mechanism, rain chances will peak at 40-50% this afternoon with daytime heating. Forecast soundings show the 850 mb cap slowly eroding throughout the day and sfc temps able to reach convective temps of the lower 90s by mid afternoon. After sunset, some isolated showers may remain throughout the night, especially along the coast as weakness aloft remains overhead and begins to push east. By Sunday morning, weakness aloft is centered over the TX/LA border, and hi res models hint at coastal showers early in the morning beginning to push onshore. Tomorrow is a similar setup, but PWs will climb slightly higher for central and southern counties and reach 1.8 to 1.9 inches. Mid level low continues to push off towards the east and will be centered in LA by the afternoon, so most convective activity is focused along the coast and for eastern counties where lowest 500 mb heights reside.

Regarding temperatures, daytime highs should peak in the lower 90s for our western counties due to less cloud cover and everywhere else will reach the upper 80s to near 90. As skies clear out overnight, overnight lows will reach the lower to mid-70s for most areas and near 70 for northern counties and rural sites. KBL

LONG TERM [Monday Through Saturday]. Cold front moving through the Southern Plains Monday morning and should be crossing the Red River early Tuesday morning. Across SETX Monday the upper trough axis will be filling but will still have some deeper moisture over the southeastern counties and a warm profile above 500mb inhibiting deeper convection. Will keep slight chances going generally southeast of the I-69 corridor but that may be overdoing rain chances. Tuesday scattered showers and thunderstorms will be possible as upper levels start to cool down and the front approaches. By late afternoon 2000 j/kg should be present with minimal capping and temperatures reaching the lower to mid 90s though winds should be light. As the front moves into the area (a little faster than previous runs) overnight early Wednesday will see rain chances ramp up as the front moves through the region. The storms should be pushing off the coast by around 8 am Wednesday (if not sooner) . coverage should be good given the moisture present and frontal forcing. Drying behind the front looks very substantial and will usher in quiet weather with much cooler temperatures especially across the northern 1/2 of the region. High temperatures Wednesday and Thursday should be limited to lower to mid 80s and overnight lows in the mid to upper 50s north and even mid 60s to around 70 on the coast! Min temperatures start to rebound Friday night and continues to rise Saturday morning. 45

MARINE. Fairly light wind regime through Sunday night with the offshore flow being replaced by slightly stronger onshore flow Sunday night and Monday. Seas building Sunday night and Monday before winds relax Tuesday. The main issue for the marine will be the arrival of the cold front with storms and then the stout offshore flow. Early Wednesday morning and mid morning will be the start of it with the storms and winds cranking up. Winds increase to around 20 knots and gusty and seas rise to 5-8 feet. Winds should be relaxing Wednesday night/Thursday as high pressure settles into SETX/LA. 45

PRELIMINARY POINT TEMPS/POPS.

College Station (CLL) 93 72 92 73 96 / 30 20 30 0 0 Houston (IAH) 91 73 89 73 91 / 50 30 40 10 20 Galveston (GLS) 88 78 86 79 86 / 30 30 40 10 20

HGX WATCHES/WARNINGS/ADVISORIES.

TX . None. GM . None.



SHORT TERM . KBL LONG TERM . 45 AVIATION . KBL MARINE . 45 FIRE WEATHER . KBL CLIMATE . 45


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RLOT2 - 8770971 - Rollover Pass, TX 18 mi52 min NW 6 G 7 78°F 79°F1015.4 hPa
HIST2 19 mi52 min NW 5.1 G 7 77°F 79°F1015.6 hPa
EPTT2 - 8771013 - Eagle Point, TX 21 mi52 min NW 1.9 G 4.1 78°F 80°F1015.4 hPa
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 26 mi58 min NNW 6 G 6 79°F 80°F1014.7 hPa
GTOT2 29 mi52 min NNW 5.1 G 6 79°F 82°F1015.6 hPa
NCHT2 - 8770777 - Manchester, TX 30 mi52 min NW 1.9 G 2.9 79°F 80°F1015.5 hPa
GRRT2 31 mi52 min NW 5.1 G 7 79°F 80°F1015.4 hPa
SRST2 - Sabine Pass, TX 35 mi70 min NW 2.9 G 2.9 76°F 1015.8 hPa (+0.4)76°F
42035 - GALVESTON 22NM East of Galveston, TX 38 mi40 min NW 7.8 G 9.7 81°F 1015.6 hPa76°F
PORT2 - 8770475 - Port Arthur, TX 42 mi52 min W 5.1 G 7 80°F 80°F1015.6 hPa
TXPT2 46 mi52 min NW 5.1 G 6 77°F 80°F1014.9 hPa

Wind History for Morgans Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston / Ellington, TX26 mi80 minN 010.00 miA Few Clouds77°F73°F89%1015.6 hPa

Link to 5 minute data for KEFD

Wind History from EFD (wind in knots)
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Last 24hr--W5NW5W5W5NW3E3NE6E6E5E4SE6S4CalmCalmSE3S3--CalmCalmCalmCalmCalmCalm
1 day agoN4N8N6NW6N7N6N8N10N10N10N7NE5N5NE6CalmCalmNW3CalmCalmCalmCalmW3CalmCalm
2 days agoNW10NW10NW10NW9NW13N11NW10
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N12----N4N8N12N10N8N9N7N6N6N5N8N7N6

Tide / Current Tables for Point Barrow, Trinity Bay, Texas
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Point Barrow
Click for Map
Sat -- 01:29 AM CDT     -0.01 feet Low Tide
Sat -- 04:37 AM CDT     Moonset
Sat -- 07:05 AM CDT     Sunrise
Sat -- 10:32 AM CDT     1.37 feet High Tide
Sat -- 02:49 PM CDT     1.11 feet Low Tide
Sat -- 06:26 PM CDT     Moonrise
Sat -- 07:20 PM CDT     Sunset
Sat -- 07:44 PM CDT     1.25 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.1000.10.20.50.70.91.21.31.41.41.31.21.11.11.11.21.21.21.21.210.7

Tide / Current Tables for Gilchrist, East Bay, Texas
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Gilchrist
Click for Map
Sat -- 01:04 AM CDT     -0.01 feet Low Tide
Sat -- 04:36 AM CDT     Moonset
Sat -- 07:04 AM CDT     Sunrise
Sat -- 08:00 AM CDT     1.49 feet High Tide
Sat -- 02:24 PM CDT     1.21 feet Low Tide
Sat -- 05:12 PM CDT     1.36 feet High Tide
Sat -- 06:24 PM CDT     Moonrise
Sat -- 07:18 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0-00.10.30.60.91.21.41.51.51.41.31.31.21.21.21.31.41.31.31.10.90.60.4

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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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